10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

______________________________

FORM 10-Q

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2022

or

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)

OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from ________ to ________

_____________________________

Commission File Number:

001-39644

_____________________________

Archaea Energy Inc.

(Exact name of registrant as specified in its charter)

_____________________________

Delaware	85-2867266
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

4444 Westheimer Road, Suite G450

Houston, Texas 77027

(Address of principal executive offices and zip code)

(346) 708-8272

(Registrant’s telephone number, including area code)

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Class A Common Stock, par value $0.0001 per share	LFG	The New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒     No    ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒     No     ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filer	☐	Accelerated filer	☐	Non-accelerated filer	☒	Smaller reporting company	☒
Emerging growth company	☒

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes ☐     No    ☒

As of October 31, 2022, there were 81,592,637 shares of Class A Common Stock and 39,052,668 shares of Class B Common Stock issued and outstanding.

1

TABLE OF CONTENTS
		Page
Commonly Used Terms and Definitions		3
Forward-Looking Statements		5
PART I. FINANCIAL INFORMATION
Item 1.	Financial Statements
	Archaea Energy Inc.
	Consolidated Balance Sheets – As of September 30, 2022 and December 31, 2021	6
	Consolidated Statements of Operations – Three and nine months ended September 30, 2022 and 2021	7
	Consolidated Statements of Equity – Three and nine months ended September 30, 2022 and 2021	8
	Consolidated Statements of Cash Flows – Nine months ended September 30, 2022 and 2021	10
	Notes to Unaudited Consolidated Financial Statements	11
	Aria Energy LLC (Predecessor)
	Consolidated Statements of Operations – For the periods from July 1 to September 14, 2021 and from January 1 to September 14, 2021	37
	Consolidated Statements of Comprehensive Income – For the periods from July 1 to September 14, 2021 and from January 1 to September 14, 2021	38
	Consolidated Statement of Cash Flows – For the period from January 1 to September 14, 2021	39
	Notes to Unaudited Consolidated Financial Statements	40
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	44
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	53
Item 4.	Controls and Procedures	53
PART II. OTHER INFORMATION
Item 1.	Legal Proceedings	55
Item 1A.	Risk Factors	55
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	58
Item 3.	Defaults Upon Senior Securities	58
Item 4.	Mine Safety Disclosures	58
Item 5.	Other Information	58
Item 6.	Exhibits	59
	SIGNATURES	60

2

Commonly Used Terms and Definitions

Unless the context otherwise requires, the terms “Archaea” and the “Company” refer to Archaea Energy Inc. and its consolidated subsidiaries. In addition, the following company or industry-specific terms and abbreviations are used throughout this Quarterly Report on Form 10-Q (this “Report”):

Archaea Merger: The transactions executed pursuant to the Archaea Merger Agreement

Archaea Merger Agreement: The Business Combination Agreement, dated April 7, 2021, as subsequently amended, pursuant to which, among other things, RAC acquired Legacy Archaea

Aria: Aria Energy LLC, a Delaware limited liability company, and its subsidiaries

Aria Holders: The members of Aria immediately prior to the Closing

Aria Merger: The transactions executed pursuant to the Aria Merger Agreement

Aria Merger Agreement: The Business Combination Agreement, dated as of April 7, 2021, as subsequently amended, pursuant to which, among other things, RAC acquired Aria

Atlas: Atlas Point Energy Infrastructure Fund, LLC, a Delaware limited liability company

Business Combination Agreements: The Aria Merger Agreement and the Archaea Merger Agreement

Business Combinations: The transactions executed pursuant to the Business Combination Agreements

CARB: California Air Resource Board

Class A Common Stock: Class A Common Stock, par value $0.0001 per share, of the Company

Class A Opco Units: Class A Units of Opco

Class B Common Stock: Class B Common Stock, par value $0.0001 per share, of the Company

Closing: The closing of the Business Combinations

Closing Date: The closing date of the Business Combinations, which was September 15, 2021

Common Stock: Class A Common Stock and Class B Common Stock

Environmental Attributes: Federal, state and local government incentives in the United States, provided in the form of RINs, RECs, RTCs, LCFS credits, rebates, tax credits and other incentives to end users, distributors, system integrators and manufacturers of renewable energy projects, that promote the use of renewable energy

EPA: The U.S. Environmental Protection Agency

GAAP: Accounting principles generally accepted in the United States of America

INGENCO: NextGen Power Holdings LLC and its subsidiaries

Initial Public Offering: RAC’s initial public offering, which was consummated on October 26, 2020

Legacy Archaea: Archaea Energy LLC, a Delaware limited liability company, and its subsidiaries

Legacy Archaea Holders: The members of Legacy Archaea immediately prior to the Closing

LCFS: Low Carbon Fuel Standard

LFG: Landfill gas

Lightning JV: Lightning Renewables, LLC, a joint venture with Republic Services Renewable Energy, LLC

Merger: The transaction contemplated by the Merger Agreement

Merger Agreement: The Agreement and Plan of Merger, dated October 16, 2022, pursuant to which, among other things, the Company and Opco will merge with and into wholly owned subsidiaries of BP Products North America Inc.

MMBtu: One million British thermal units

MWh: Megawatt hour(s)

Opco: LFG Acquisition Holdings LLC, a Delaware limited liability company, which was formerly named Rice Acquisition Holdings LLC

3

Private Placement Warrants: The 6,771,000 warrants originally issued to Sponsor and Atlas in a private placement that closed simultaneously with the consummation of the Initial Public Offering

RAC: Rice Acquisition Corp., prior to the consummation of the Business Combination

RECs: Renewable Energy Credits

RINs: Renewable Identification Numbers

RNG: Renewable natural gas

RTCs: Renewable thermal certificates

SEC: U.S. Securities and Exchange Commission

Sponsor: Rice Acquisition Sponsor LLC, a Delaware limited liability company

VIE: Variable interest entity

Warrant Agreement: The Warrant Agreement, dated October 21, 2020, by and among the Company, Opco and Continental Stock Transfer & Trust Company, as warrant agent, which governs the Private Placement Warrants

4

Forward-Looking Statements

The information in this Report includes forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). Statements that do not relate strictly to historical or current facts are forward-looking and usually identified by the use of words such as “anticipate,” “estimate,” “could,” “would,” “should,” “will,” “may,” “forecast,” “approximate,” “expect,” “project,” “intend,” “plan,” “believe” and other similar words. Forward-looking statements may relate to expectations for future financial performance, business strategies or expectations for the Company’s business. Specifically, forward-looking statements may include statements concerning the pending Merger, market conditions and trends, earnings, performance, strategies, prospects and other aspects of the business of the Company. Forward-looking statements are based on current expectations, estimates, projections, targets, opinions and/or beliefs of the Company, and such statements involve known and unknown risks, uncertainties and other factors.

The risks and uncertainties that could cause those actual results to differ materially from those expressed or implied by these forward-looking statements include, but are not limited to:

•the risk that the proposed Merger may not be completed in a timely manner or at all, which may adversely affect the Company’s business and the price of the Company’s Class A Common Stock;

•the effect of the announcement or pendency of the Merger on the Company’s business relationships, operating results and business generally;

•unexpected costs, charges or expenses resulting from the Merger;

•potential litigation relating to the Merger;

•the Company’s ability to successfully integrate INGENCO and other future acquisitions;

•the Company’s ability to recognize the anticipated financial, strategic and operational benefits of the Business Combinations, the INGENCO acquisition, the Lightning JV, and other future acquisitions and strategic transactions, which may be affected by, among other things, competition and the ability of the Company to grow and manage growth profitably and retain its management and key employees;

•the possibility that the Company may be adversely affected by general economic, business and/or competitive factors, including rising inflation and interest rates;

•the Company’s ability to develop and operate new projects, including the projects contemplated from the INGENCO assets and the Lightning JV;

•the reduction or elimination of government economic incentives to the renewable energy market;

•the execution of the Company’s contracting strategy and exposure to natural gas and Environmental Attribute prices for uncontracted volumes;

•delays in acquisition, financing, construction, and development of new or planned projects;

•the length of development cycles for new projects, including the design and construction processes for the Company’s projects;

•the Company’s ability to identify suitable locations for new projects;

•the Company’s dependence on landfill operators;

•existing regulations and changes to regulations and policies that affect the Company’s operations;

•decline in public acceptance and support of renewable energy development and projects;

•demand for renewable energy not being sustained;

•impacts of climate change, changing weather patterns and conditions, and natural disasters;

•the ability to secure necessary governmental and regulatory approvals;

•political instability and fears or actual acts of terrorism or war, including the armed conflict in Ukraine;

•the Company’s expansion into new business lines; and

•other risks and uncertainties described in the section entitled “Risk Factors” in Part I, Item 1A in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2021 (the “2021 Annual Report”) or in the section entitled “Risk Factors” in Part II, Item 1A in subsequent Quarterly Reports on Form 10-Q, including this Report.

Accordingly, forward-looking statements should not be relied upon as representing the Company’s views as of any subsequent date. The Company does not undertake any obligation to update forward-looking statements to reflect events or circumstances after the date they were made, whether as a result of new information, future events, or otherwise, except as may be required under applicable securities laws.

5

PART I. FINANCIAL INFORMATION

ITEM 1. FINANCIAL STATEMENTS

ARCHAEA ENERGY INC.

Consolidated Balance Sheets

(Unaudited)

(in thousands, except shares and per share data)	September 30, 2022		December 31, 2021
ASSETS
Current Assets
Cash and cash equivalents ($191,404 related to VIE)	$	299,467	$	77,860
Restricted cash	19,225		15,206
Accounts receivable, net ($40 related to VIE)	47,255		37,010
Inventory	19,084		9,164
Prepaid expenses and other current assets ($105 related to VIE)	34,956		21,225
Total Current Assets	419,987		160,465
Property, plant and equipment, net ($103,359 related to VIE)	596,112		350,583
Intangible assets, net ($217,117 related to VIE)	999,787		638,471
Goodwill	47,833		29,211
Equity method investments	260,111		262,738
Operating lease right-of-use assets	6,639		—
Other non-current assets	16,573		9,721
Total Assets	$	2,347,042	$	1,451,189
LIABILITIES AND EQUITY
Current Liabilities
Accounts payable - trade ($21,186 related to VIE)	$	31,777	$	11,096
Current portion of long-term debt, net	24,120		11,378
Current portion of operating lease liabilities	1,239		—
Accrued and other current liabilities ($632 related to VIE)	93,694		46,279
Total Current Liabilities	150,830		68,753
Long-term debt, net	887,824		331,396
Derivative liabilities	53,349		67,424
Below-market contracts	132,626		142,630
Asset retirement obligations	9,656		4,677
Long-term operating lease liabilities	5,657		—
Other long-term liabilities	2,553		5,316
Total Liabilities	1,242,495		620,196
Commitments and Contingencies
Redeemable Noncontrolling Interests	703,339		993,301
Equity
Stockholders’ Equity
Preferred stock, $0.0001 par value; 10,000,000 authorized; none issued and outstanding	—		—
Class A Common Stock, $0.0001 par value; 900,000,000 shares authorized; 81,592,637 shares issued and outstanding as of September 30, 2022 and 65,122,200 shares issued and outstanding as of December 31, 2021	8		7
Class B Common Stock, $0.0001 par value; 190,000,000 shares authorized; 39,052,668 shares issued and outstanding as of September 30, 2022 and 54,338,114 shares issued and outstanding as of December 31, 2021	4		5
Additional paid in capital	304,296		—
Accumulated deficit	(173,788)		(162,320)
Total Stockholders’ Equity	130,520		(162,308)
Nonredeemable noncontrolling interests	270,688		—
Total Equity	401,208		(162,308)
Total Liabilities, Redeemable Noncontrolling Interests and Equity	$	2,347,042	$	1,451,189

_________________________________________

Parenthetical references reflect amounts as of September 30, 2022 for the Lightning JV VIE.

The accompanying notes are an integral part of these consolidated financial statements.

6

ARCHAEA ENERGY INC.

Consolidated Statements of Operations

(Unaudited)

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands, except shares and per share data)	2022		2021		2022		2021
Revenues and Other Income
Energy revenue	$	98,377	$	10,916	$	222,528	$	13,975
Other revenue	3,894		865		8,322		4,588
Amortization of intangibles and below-market contracts	2,722		205		8,259		205
Total Revenues and Other Income	104,993		11,986		239,109		18,768
Equity Investment Income, Net	2,945		879		7,067		879
Cost of Sales
Cost of energy	63,253		9,478		138,531		12,625
Cost of other revenues	3,109		615		7,049		2,976
Depreciation, amortization and accretion	16,972		3,142		43,191		4,077
Total Cost of Sales	83,334		13,235		188,771		19,678
General and administrative expenses	30,478		11,889		75,714		22,933
Operating Income (Loss)	(5,874)		(12,259)		(18,309)		(22,964)
Other Income (Expense)
Interest expense, net	(10,575)		(1,586)		(16,941)		(1,606)
Gain (loss) on warrants and derivative contracts	(7,605)		(10,413)		10,575		(10,413)
Other income (expense)	(124)		81		78		377
Total Other Income (Expense)	(18,304)		(11,918)		(6,288)		(11,642)
Income (Loss) Before Income Taxes	(24,178)		(24,177)		(24,597)		(34,606)
Income tax expense	57		—		186		—
Net Income (Loss)	(24,235)		(24,177)		(24,783)		(34,606)
Net income (loss) attributable to nonredeemable noncontrolling interests	(2,020)		(335)		(2,020)		(589)
Net income (loss) attributable to Legacy Archaea	—		(8,569)		—		(18,744)
Net income (loss) attributable to redeemable noncontrolling interests	(7,224)		(8,262)		(11,295)		(8,262)
Net Income (Loss) Attributable to Class A Common Stock	$	(14,991)	$	(7,011)	$	(11,468)	$	(7,011)
Net income (loss) per Class A Common Stock:
Net income (loss) – basic (1)	$	(0.18)	$	(0.13)	$	(0.15)	$	(0.13)
Net income (loss) – diluted (1)	$	(0.18)	$	(0.13)	$	(0.18)	$	(0.13)
Weighted average shares of Class A Common Stock outstanding:
Basic (1)	81,044,814		52,847,195		76,034,987		52,847,195
Diluted (1)	81,044,814		52,847,195		78,542,786		52,847,195

_________________________________________

(1) Class A Common Stock is outstanding beginning September 15, 2021 due to the reverse recapitalization transaction as described in “Note 4 - Business Combinations and Reverse Recapitalization.”

The accompanying notes are an integral part of these consolidated financial statements.

7

ARCHAEA ENERGY INC.

Consolidated Statements of Equity

(Unaudited)

			Total Equity
							Total Stockholders’ Equity
(in thousands)	Redeemable Noncontrolling Interests		Members’ Equity		Members’ Accumulated Deficit		Class A Common Stock		Class B Common Stock		Additional Paid-in Capital		Accumulated Deficit		Nonredeemable Noncontrolling Interests		Total Equity
Balance - December 31, 2021	$	993,301	$	—	$	—	$	7	$	5	$	—	$	(162,320)	$	—	$	(162,308)
Warrant exercises	—		—		—		—		—		11,836		—		—		11,836
Exchange of Class A Opco Units and Class B Common Stock for Class A Common Stock	(314,693)		—		—		1		(1)		314,693		—		—		314,693
Deferred tax impacts from exchange for Class A Common Stock transactions	—		—		—		—		—		780		—		—		780
Share-based compensation expense	—		—		—		—		—		12,785		—		—		12,785
Shares withheld for taxes on net settled awards	—		—		—		—		—		(2,634)		—		—		(2,634)
Shares issued to vendor	—		—		—		—		—		2,862		—		—		2,862
Net income (loss)	(11,295)		—		—		—		—		—		(11,468)		(2,020)		(13,488)
Contributions from Lightning JV noncontrolling interest owner	—		—		—		—		—		—		—		272,708		272,708
Adjustment of redeemable noncontrolling interests to redemption amount	36,026		—		—		—		—		(36,026)		—		—		(36,026)
Balance - September 30, 2022	$	703,339	$	—	$	—	$	8	$	4	$	304,296	$	(173,788)	$	270,688	$	401,208

			Total Equity
							Total Stockholders’ Equity
(in thousands)	Redeemable Noncontrolling Interests		Members’ Equity		Members’ Accumulated Deficit		Class A Common Stock		Class B Common Stock		Additional Paid-in Capital		Accumulated Deficit		Nonredeemable Noncontrolling Interests		Total Equity
Balance - December 31, 2020	$	—	$	34,930	$	(4,156)	$	—	$	—	$	—	$	—	$	717	$	31,491
Net income (loss) prior to Closing	—		—		(18,744)		—		—		—		—		(534)		(19,278)
Members’ equity contributions	—		70		—		—		—		—		—		—		70
Share-based compensation expense prior to Closing	—		2,349		—		—		—		—		—		—		2,349
Reclassification in connection with reverse recapitalization	—		(37,349)		22,900		—		3		37,346		(22,900)		—		—
Net cash contribution from the reverse recapitalization and PIPE Financing, net of warrant liability	—		—		—		5		1		346,239		—		—		346,245
Issuance of Class B Common Stock in Aria Merger	—		—		—		—		2		394,908		—		—		394,910
Reclassification to redeemable noncontrolling interest	408,762		—		—		—		—		(431,662)		22,900		—		(408,762)
Net income (loss) after Closing	(8,262)		—		—		—		—		—		(7,011)		(56)		(7,067)
Adjustment of redeemable noncontrolling interest to redemption amount	779,116		—		—		—		—		(346,831)		(432,286)		—		(779,117)
Balance - September 30, 2021	$	1,179,616	$	—	$	—	$	5	$	6	$	—	$	(439,297)	$	127	$	(439,159)

The accompanying notes are an integral part of these consolidated financial statements.

8

ARCHAEA ENERGY INC.

Consolidated Statements of Equity

(Unaudited)

			Total Equity
							Total Stockholders' Equity
(in thousands)	Redeemable Noncontrolling Interest		Members' Equity		Members' Accumulated Deficit		Class A Common Stock		Class B Common Stock		Additional Paid-in Capital		Accumulated Deficit		Nonredeemable Noncontrolling Interests		Total Equity
Balance - June 30, 2022	$	606,608	$	—	$	—	$	8	$	4	$	392,118	$	(158,797)	$	—	$	233,333
Warrant exercises	—		—		—		—		—		10,280		—		—		10,280
Exchange of Class A Opco Units and Class B Common Stock for Class A Common Stock	3,134		—		—		—		—		(3,134)		—		—		(3,134)
Share-based compensation expense	—		—		—		—		—		3,862		—		—		3,862
Shares withheld for taxes on net settled awards	—		—		—		—		—		(871)		—		—		(871)
Shares issued to vendor	—		—		—		—		—		2,862		—		—		2,862
Net income (loss)	(7,224)		—		—		—		—		—		(14,991)		(2,020)		(17,011)
Contributions from Lightning JV noncontrolling interest owner	—		—		—		—		—		—		—		272,708		272,708
Adjustment of redeemable noncontrolling interest to redemption amount	100,821		—		—		—		—		(100,821)		—		—		(100,821)
Balance - September 30, 2022	$	703,339	$	—	$	—	$	8	$	4	$	304,296	$	(173,788)	$	270,688	$	401,208

			Total Equity
							Total Stockholders' Equity
(in thousands)	Redeemable Noncontrolling Interest		Members' Equity		Members' Accumulated Deficit		Class A Common Stock		Class B Common Stock		Additional Paid-in Capital		Accumulated Deficit		Nonredeemable Noncontrolling Interests		Total Equity
Balance - June 30, 2021	$	—	$	35,178	$	(14,331)	$	—	$	—	$	—	$	—	$	462	$	21,309
Net income (loss) prior to Closing	—		—		(8,569)		—		—		—		—		(279)		(8,848)
Share-based compensation expense prior to Closing	—		2,171		—		—		—		—		—		—		2,171
Reclassification in connection with reverse recapitalization	—		(37,349)		22,900		—		3		37,346		(22,900)		—		—
Net cash contribution from the reverse recapitalization and PIPE Financing, net of warrant liability	—		—		—		5		1		346,239		—		—		346,245
Issuance of Class B Common Stock in Aria Merger	—		—		—		—		2		394,908		—		—		394,910
Reclassification to redeemable noncontrolling interest	408,762		—		—		—		—		(431,662)		22,900		—		(408,762)
Net income (loss) after Closing	(8,262)		—		—		—		—		—		(7,011)		(56)		(7,067)
Adjustment of redeemable noncontrolling interest to redemption amount	779,116		—		—		—		—		(346,831)		(432,286)		—		(779,117)
Balance - September 30, 2021	$	1,179,616	$	—	$	—	$	5	$	6	$	—	$	(439,297)	$	127	$	(439,159)

The accompanying notes are an integral part of these consolidated financial statements.

9

ARCHAEA ENERGY INC.

Consolidated Statements of Cash Flows

(Unaudited)

	Nine Months Ended September 30,
(in thousands)	2022		2021
Cash flows from operating activities
Net income (loss)	$	(24,783)	$	(34,606)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation, amortization and accretion expense	43,191		4,077
Amortization of debt issuance costs	2,444		627
Amortization of intangibles and below-market contracts	(3,262)		(6)
Bad debt expense	153		10
Return on investment in equity method investments	15,202		336
Equity in earnings of equity method investments	(7,067)		(879)
Total (gains) losses on derivatives, net	(10,575)		10,413
Net cash received (paid) in settlement of derivatives	6,543		—
Forgiveness of Paycheck Protection Loan	—		(201)
Share-based compensation expense	12,785		2,887
Changes in operating assets and liabilities:
Accounts receivable	(4,336)		(692)
Inventory	(2,441)		(270)
Prepaid expenses and other current assets	1,687		(22,315)
Accounts payable - trade	8,300		(1,207)
Accrued and other liabilities	39,964		(7,475)
Other non-current assets	(585)		(3,490)
Other long-term liabilities	(63)		(1,919)
Net cash provided by (used in) operating activities	77,157		(54,710)
Cash flows from investing activities
Acquisition of Aria, net of cash acquired	1,876		(463,334)
Acquisition of assets and businesses	(274,556)		(31,527)
Additions to property, plant and equipment and progress payments	(225,868)		(88,209)
Purchases of biogas rights	—		(202)
Contributions to equity method investments	(10,837)		(4,100)
Return of investment in equity method investments	9,496		—
Net cash used in investing activities	(499,889)		(587,372)
Cash flows from financing activities
Borrowings on line of credit agreement	—		12,478
Repayments on line of credit agreement	—		(12,478)
Proceeds from long-term debt, net of issuance costs	573,751		361,959
Repayments of long-term debt	(9,618)		(47,040)
Proceeds from reverse recapitalization and PIPE Financing	—		496,397
Contributions from Lightning JV noncontrolling interest owner	88,508		—
Payment of acquisition contingent consideration	(1,650)		—
Capital contributions	—		70
Taxes paid on net share settled stock-based compensation awards	(2,633)		—
Net cash provided by financing activities	648,358		811,386
Net change in cash, cash equivalents and restricted cash	225,626		169,304
Cash, cash equivalents and restricted cash - beginning of period	93,066		1,496
Cash, cash equivalents and restricted cash - end of period	$	318,692	$	170,800
Supplemental cash flow information
Cash paid for interest (1)	$	11,480	$	1,869
Non-cash investing activities
Accruals of property, plant and equipment and biogas rights incurred but not paid	$	31,491	$	2,317

_________________________________________

(1) Net of capitalized interest of $6.1 million and $7.2 million for the nine months ended September 30, 2022 and 2021, respectively.

The accompanying notes are an integral part of these consolidated financial statements.

10

ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

NOTE 1 - Organization and Description of Business

Archaea Energy Inc. (“Archaea” or the "Company"), a Delaware corporation (formerly named Rice Acquisition Corp.), is one of the largest RNG producers in the U.S., with an industry-leading RNG platform primarily focused on capturing and converting waste emissions from landfills and livestock farms into low-carbon RNG and electricity. As of September 30, 2022, Archaea owns, through wholly-owned entities or joint ventures, a diversified portfolio of 46 LFG recovery and processing facilities across 20 states, including 13 operated facilities that produce pipeline-quality RNG and 33 LFG to renewable electricity production facilities, including one non-operated facility and one facility that is not operational.

Archaea develops, designs, constructs, and operates RNG facilities. Archaea, through wholly-owned entities or joint ventures, has entered into long-term agreements with biogas site hosts which grant Archaea the rights to utilize gas produced at their sites and to construct and operate facilities on their sites to produce RNG and renewable electricity.

Merger Agreement

On October 16, 2022, the Company and Opco entered into an Agreement and Plan of Merger (the “Merger Agreement”) with BP Products North America Inc., a Maryland corporation (“Parent”), Condor RTM Inc., a Delaware corporation and a wholly owned subsidiary of Parent (“Merger Sub”), and Condor RTM LLC, a Delaware limited liability company and a wholly owned subsidiary of Parent (“Opco Merger Sub”). Pursuant to the Merger Agreement, Merger Sub will merge with and into the Company with the Company continuing as the surviving corporation and a wholly owned subsidiary of Parent (the “Company Merger”), and Opco Merger Sub will merge with and into Opco with Opco continuing as the surviving company and a wholly owned subsidiary of Parent (the “Opco Merger” and, together with the Company Merger, the “Merger”).

As a result of the Merger, (i) at the effective time of the Company Merger (the “Effective Time”), each share of Class A Common Stock outstanding immediately prior to the Effective Time (subject to certain exceptions, including shares of Class A Common Stock owned by stockholders of the Company who have not voted in favor of the adoption of the Merger Agreement and have properly exercised appraisal rights in accordance with Delaware law) will automatically be converted into the right to receive $26.00, without interest thereon (the “Per Share Price”) in cash, subject to applicable withholding taxes, and (ii) at the effective time of the Opco Merger (the “Opco Merger Effective Time”), each Class A Opco Unit outstanding immediately prior to the Opco Merger Effective Time that is held by a holder other than the Company or any of its subsidiaries will automatically be converted into the right to receive the Per Share Price in cash, subject to applicable withholding taxes. Also, at the Effective Time, each share of Class B Common Stock will be automatically cancelled and extinguished without any conversion thereof or consideration paid therefor.

Immediately following the Opco Merger Effective Time, each of the outstanding Private Placement Warrants will be redeemed for cash in accordance with the terms of the Warrant Agreement, as amended in connection with the Company’s entry into the Merger Agreement, which provides that immediately following the Opco Merger Effective Time, each Private Placement Warrant that is issued and outstanding immediately prior to the Effective Time will be automatically redeemed for the right to receive an amount, in cash, equal to (i) the Per Share Price minus (ii) the Warrant Price (as defined in the Warrant Agreement and which is currently $11.50) as reduced pursuant to the calculation provided in Section 4.4 of the Warrant Agreement, without interest.

The parties are targeting closing the Merger by the end of 2022, subject to customary closing conditions, including approval by the Company’s stockholders and receipt of regulatory approvals. Upon closing of the Merger, the Class A Common Stock will no longer be listed on any public market. See “Note 21 - Subsequent Events” for more information regarding the Merger.

11

ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

The Business Combinations

On September 15, 2021, Archaea consummated the business combinations pursuant to (i) the Business Combination Agreement, dated April 7, 2021 (as amended, the “Aria Merger Agreement”), by and among Rice Acquisition Corp., a Delaware corporation (“RAC”), Rice Acquisition Holdings LLC, a Delaware limited liability company and direct subsidiary of RAC (“RAC Opco”), LFG Intermediate Co, LLC, a Delaware limited liability company and direct subsidiary of RAC Opco (“RAC Intermediate”), LFG Buyer Co, LLC, a Delaware limited liability company and direct subsidiary of RAC Intermediate (“RAC Buyer”), Inigo Merger Sub, LLC, a Delaware limited liability company and direct subsidiary of RAC Buyer (“Aria Merger Sub”), Aria Energy LLC, a Delaware limited liability company (“Aria”), and Aria Renewable Energy Systems LLC, a Delaware limited liability company, pursuant to which, among other things, Aria Merger Sub was merged with and into Aria, with Aria surviving the merger and becoming a direct subsidiary of RAC Buyer, on the terms and subject to the conditions set forth therein (the transactions contemplated by the Aria Merger Agreement, the “Aria Merger”), and (ii) the Business Combination Agreement, dated April 7, 2021 (as amended, the “Archaea Merger Agreement”), by and among RAC, RAC Opco, RAC Intermediate, RAC Buyer, Fezzik Merger Sub, LLC, a Delaware limited liability company and direct subsidiary of RAC Buyer (“Archaea Merger Sub”), Archaea Energy LLC, a Delaware limited liability company, and Archaea Energy II LLC, a Delaware limited liability company (“Legacy Archaea”), pursuant to which, among other things, Archaea Merger Sub was merged with and into Legacy Archaea, with Legacy Archaea surviving the merger and becoming a direct subsidiary of RAC Buyer, on the terms and subject to the conditions set forth therein (the transactions contemplated by the Archaea Merger Agreement, the “Archaea Merger” and, together with the Aria Merger, the “Business Combinations”). Legacy Archaea was determined to be the accounting acquirer of the Business Combinations, and Aria was determined to be the predecessor to the Company. Unless the context otherwise requires, the “Company,” “we,” “us,” and “our” refer, for periods prior to the completion of the Business Combinations, to Legacy Archaea and its subsidiaries and, for periods upon or after the completion of the Business Combinations, to Archaea Energy Inc. and its subsidiaries, including Legacy Archaea and Aria Energy LLC.

Archaea has retained its “up-C” structure, whereby (i) all of the equity interests in Aria and Legacy Archaea are held indirectly by Opco through RAC Buyer and RAC Intermediate, (ii) Archaea’s only assets are its equity interests in Opco, and (iii) Sponsor, Atlas, the RAC independent directors, the Legacy Archaea Holders and the Aria Holders own or owned economic interests directly in Opco. In connection with the consummation of the Business Combinations, Rice Acquisition Holdings LLC was renamed LFG Acquisition Holdings LLC. In accordance with Accounting Standards Codification (“ASC”) 810 - Consolidation, Opco is considered a VIE with Archaea as its sole managing member and primary beneficiary. As such, Archaea consolidates Opco, and the remaining unitholders that hold economic interests directly in Opco are presented as redeemable noncontrolling interests on the Company’s financial statements.

Subsequent to the Business Combinations, transactions impacting the ownership of Class A Opco Units include warrant exercises, repurchases from Aria Renewable Energy Systems LLC, redemption of certain other Class A Opco Units in exchange for Class A Common Stock, and issuances related to vested restricted stock units (“RSUs”). The ownership structure of Opco upon closing of the Business Combinations and as of September 30, 2022, which gives rise to the redeemable noncontrolling interest at Archaea, is as follows:

	September 30, 2022			September 15, 2021
Equity Holder	Class A Opco Units	% Interest		Class A Opco Units	% Interest
Archaea	81,592,637	67.6	%	52,847,195	45.9	%
Total controlling interests	81,592,637	67.6	%	52,847,195	45.9	%
Aria Holders	—	—	%	23,000,000	20.0	%
Legacy Archaea Holders	33,350,385	27.6	%	33,350,385	29.0	%
Sponsor, Atlas and RAC independent directors	5,702,283	4.7	%	5,931,350	5.2	%
Total redeemable noncontrolling interests	39,052,668	32.4	%	62,281,735	54.1	%
Total	120,645,305	100.0	%	115,128,930	100.0	%

12

ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

Holders of Class A Opco Units other than Archaea have the right (a “redemption right”), subject to certain limitations, to redeem Class A Opco Units and a corresponding number of shares of Class B Common Stock for, at Opco’s option, (i) shares of Class A Common Stock on a one-for-one basis, subject to adjustment for stock splits, stock dividends, reorganizations, recapitalizations and the like, or (ii) a corresponding amount of cash.

NOTE 2 - Basis of Presentation and Summary of Significant Accounting Policies

Basis of Presentation

These unaudited, interim, consolidated financial statements and notes are prepared in accordance with GAAP for interim reporting and in accordance with the rules and regulations of the SEC. These unaudited interim financial statements reflect all adjustments that are, in the opinion of management, necessary to present fairly the results for the interim periods presented. The Company’s accounting policies conform to GAAP and have been consistently applied in the presentation of financial statements. The Company’s consolidated financial statements include all wholly-owned subsidiaries and all VIEs with respect to which the Company determined it is the primary beneficiary. Certain information and disclosures normally included in annual financial statements prepared in accordance with GAAP have been condensed or omitted. Accordingly, these unaudited consolidated financial statements should be read in conjunction with the Company’s audited financial statements included in the 2021 Annual Report.

The Archaea Merger with RAC was accounted for as a reverse recapitalization with Legacy Archaea deemed the accounting acquirer, and therefore, there was no step-up to fair value of any RAC assets or liabilities and no goodwill or other intangible assets were recorded. The Aria Merger was accounted for using the acquisition method of accounting with Aria deemed to be the acquiree for accounting purposes. The Company also determined that Aria is the Company’s predecessor and therefore has included the historical financial statements of Aria as predecessor beginning on page 36.

Principles of Consolidation

As the Company completed its Business Combinations on September 15, 2021, these unaudited consolidated financial statements for the three and nine months ended September 30, 2022 and as of December 31, 2021 include the assets, liabilities and results of operations of the combined results of the businesses of Legacy Archaea and Aria as operated by the Company after the Business Combinations; whereas, the unaudited results of operations prior to the September 15, 2021 reverse recapitalization are those of Legacy Archaea, the accounting acquirer.

The Company has determined that Opco is a VIE and the Company is the primary beneficiary. Therefore, the Company consolidates Opco, and ownership interests of Opco not owned by the Company are reflected as redeemable noncontrolling interests due to certain features of the redemption right. See “Note 15 - Redeemable and Nonredeemable Noncontrolling Interest and Stockholders’ Equity.” Entities that are majority-owned by Opco are consolidated. Certain investments in entities are accounted for as equity method investments and included separately in the Company’s consolidated balance sheets.

The Company has determined that the Lightning JV is a VIE and the Company is the primary beneficiary; therefore, the Company consolidates the Lightning JV. The ownership interests of the Lightning JV not owned by the Company are reflected as nonredeemable noncontrolling interests. See “Note 4 - Business Combinations and Reverse Recapitalization.”

All intercompany balances and transactions have been eliminated.

Use of Estimates

The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses, as well as contingent assets and liabilities. The estimates and assumptions used in the accompanying financial statements are based upon management’s evaluation of the relevant facts and circumstances as of the date of the financial statements. Actual results may differ from the estimates and assumptions used in preparing the accompanying consolidated financial statements.

13

ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

Revenue Recognition

The Company generates revenues from the production and sales of RNG, Power, and associated Environmental Attributes, as well as from the performance of other landfill energy operations and maintenance (“O&M”) services and construction management (“EPC”) services. The Company also manufactures and sells customized pollution control equipment and performs associated maintenance agreement services. Prior to the January 1, 2022 adoption of ASC 842 - Leases as discussed in “Note 3 - Recently Issued and Adopted Accounting Standards,” a portion of the Company’s revenue was accounted for under ASC 840 - Leases and a portion under ASC 606 - Revenue from Contracts with Customers based on requirements of GAAP. Under ASC 840, lease revenue is recognized generally upon delivery of RNG and electricity. Under ASC 606, revenue is recognized when (or as) the Company satisfies its performance obligation(s) under the contract by transferring the promised product or service either when (or as) its customer obtains control of the product or service, including RNG, electricity and their related Environmental Attributes. A performance obligation is a promise in a contract to transfer a distinct product or service to a customer. A contract’s transaction price is allocated to each distinct performance obligation. Revenue is measured as the amount of consideration the Company expects to receive in exchange for transferring its products or services. Based on the terms of the related sales agreements, the amounts recorded under ASC 840 as lease revenue are generally consistent with revenue recognized under ASC 606. After the January 1, 2022 adoption of ASC 842, revenue is accounted for solely under ASC 606 as our facilities no longer meet the definition of leased assets under ASC 842.

Business Combinations

For business combinations that meet the accounting definition of a business, the Company determines and allocates the purchase price of an acquired company to the tangible and intangible assets acquired, the liabilities assumed, and noncontrolling interest, if applicable, as of the date of acquisition at fair value. Fair value may be estimated using comparable market data, a discounted cash flow method, or a combination of the two. In the discounted cash flow method, estimated future cash flows are based on management’s expectations for the future and can include estimates of future biogas production, commodity prices, operating and development costs, and a risk-adjusted discount rate. Revenues and costs of the acquired companies are included in the Company’s operating results from the date of acquisition.

The Company uses its best estimates and assumptions as part of the purchase price allocation process to accurately value assets acquired and liabilities assumed at the acquisition date, and these estimates and assumptions are inherently uncertain and subject to refinement during the measurement period not to exceed one year from the acquisition date. As a result, any adjustment identified subsequent to the measurement period is included in operating results in the period in which the amount is determined. The Company’s acquisitions are discussed in “Note 4 - Business Combinations and Reverse Recapitalization.”

NOTE 3 – Recently Issued and Adopted Accounting Standards

In February 2016, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) No. 2016-02, Leases (Topic 842), to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about leasing arrangements. The main difference between previous generally accepted accounting principles and the new requirements under Topic 842 is the recognition of lease assets and lease liabilities by lessees for those leases with a term greater than 12 months classified as operating leases under previous GAAP.

Upon adoption of Topic 842 as of January 1, 2022, the Company recognized $5.1 million of right-of-use (“ROU”) assets and lease liabilities on its consolidated balance sheet related to operating leases existing on the adoption date. Prior period financial statements were not adjusted. The adoption of Topic 842 did not have a material impact on the Company’s consolidated statement of operations or consolidated statement of cash flows. See “Note 11 - Leases” for additional information.

14

ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

In October 2021, the FASB issued ASU No. 2021-08, Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers. ASU 2021-08 requires all entities to recognize and measure contract assets and liabilities in a business combination in accordance with Topic 606, Revenue from Contracts with Customers. The guidance aims to improve comparability for revenue contracts with customers by providing consistent recognition and measurement guidance for all revenue contracts with customers. ASU 2021-08 is effective for the Company for fiscal years beginning after December 15, 2022, with early adoption permitted. The Company will adopt this ASU as of January 1, 2023 and does not expect the adoption to have a material impact on its financial condition, results of operations, or cash flows.

NOTE 4 – Business Combinations and Reverse Recapitalization

INGENCO Acquisition

On July 15, 2022, the Company paid $230.5 million to acquire 100% of the ownership interest of INGENCO, pursuant to the Purchase and Sale Agreement dated April 26, 2022, and to retire INGENCO’s outstanding debt. At the acquisition date, INGENCO owned 14 LFG to renewable electricity facilities. INGENCO was purchased to increase the Company’s backlog of RNG development opportunities.

Total consideration was determined to be as follows:

(in thousands)	As of July 15, 2022
Cash consideration	$	221,034
Repayment of INGENCO debt at closing	9,511
Total purchase price consideration	$	230,545

The INGENCO acquisition represented the acquisition of a business and was accounted for using the acquisition method, whereby all of the assets acquired and liabilities assumed were recognized at their fair value on the acquisition date, with any excess of the purchase price over the estimated fair value recorded as goodwill. Certain data to complete the purchase price allocation is not yet available, including, but not limited to, final appraisals of certain assets acquired and liabilities assumed. The Company will finalize the purchase price allocation during the 12-month period following the acquisition date, during which time the value of the assets and liabilities may be revised as appropriate. The following table sets forth the preliminary allocation of the consideration.

15

ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

(in thousands)	As of July 15, 2022
Fair value of assets acquired
Cash and cash equivalents	$	919
Account receivable – net	6,028
Prepaid expenses and other current assets	322
Inventory	7,478
Property, plant and equipment, net	41,344
Intangible assets, net	166,700
Operating lease right-of-use assets	916
Other non-current assets	258
Goodwill	17,992
Amount attributable to assets acquired	$	241,957
Fair value of liabilities assumed
Accounts payable	$	2,853
Accrued and other current liabilities	2,042
Below-market contracts	1,140
Long-term operating lease liabilities	715
Other long-term liabilities	4,662
Amount attributable to liabilities assumed	11,412
Net assets acquired	230,545
Total INGENCO acquisition consideration	$	230,545

Intangible assets acquired, and their related weighted-average amortization periods, are as follows:

(in thousands)	As of July 15, 2022		Weighted- Average Amortization Period
Biogas rights agreements	$	164,580	17.0 years
Power purchase contracts	$	2,120	7.9 years

The goodwill is primarily attributable to the expected synergies Archaea believes will be created as a result of the combined companies, the ability to enhance INGENCO’s current electric production facilities, and the ability to add RNG production facilities to existing INGENCO sites. Archaea expects a majority, if not all, of the goodwill to be assigned to the RNG reporting unit upon finalizing the purchase price allocation. For tax purposes, the INGENCO acquisition was a taxable asset acquisition, and as such, there are no deferred taxes recorded at the acquisition date.

Included in the consolidated statement of operations for both the three and nine months ended September 30, 2022 are revenues of $10.4 million and net income of $1.0 million related to INGENCO for the period from the acquisition date on July 15 through September 30, 2022. The Company also recognized transaction costs of $0.4 million and $3.1 million, mainly consisting of legal, consulting, and other professional fees, during the three and nine months ended September 30, 2022, respectively, related to the acquisition of INGENCO.

Formation of the Lightning JV

On May 5, 2022, the Company and Republic Services, Inc. (“Republic”) announced the formation of the Lightning JV to develop 39 RNG projects across the U.S. that will be located at various landfill sites owned or operated by Republic. The joint venture will develop and construct RNG facilities that will convert LFG into pipeline-quality RNG that can be used

16

ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

for a variety of applications. The Company holds a 60% ownership interest in the Lightning JV, and the Company’s initial capital funding of $222.5 million was paid into the Lightning JV on July 5, 2022. Republic holds a 40% noncontrolling ownership interest in the Lightning JV and has contributed cash of $88.5 million and landfill gas rights recorded at an estimated fair value of $184.2 million. Republic’s noncontrolling interest estimated fair value was determined based on the fair value of their initial cash capital funding and landfill gas rights contribution. Concurrent with and utilizing the initial capital funding, the Lightning JV completed the acquisition of landfill gas rights and underlying assets at an additional Republic-owned landfill for $37.9 million, bringing the total number of RNG development projects within the Lightning JV to 40.

The Company has determined that the Lightning JV is a VIE and the Company is the primary beneficiary; therefore, the Company consolidates the Lightning JV. The assets of the Lightning JV cannot be used by the Company for general corporate purposes and are included in and disclosed parenthetically on the Company’s consolidated balance sheets. The Lightning JV’s creditors have no recourse to the Company’s assets or general credit, and the carrying amounts of liabilities related to the Lightning JV are included in and disclosed parenthetically on the Company’s consolidated balance sheets.

Included in the consolidated statement of operations for both the three and nine months ended September 30, 2022 are revenues of $0.1 million and net losses of $5.0 million related to the Lightning JV. The Company recognized transaction costs of $5.1 million and $5.5 million, mainly consisting of legal, consulting, and other professional fees, during the three and nine months ended September 30, 2022, respectively, related to the formation of the Lightning JV.

Reverse Recapitalization

Legacy Archaea is considered the accounting acquirer of the Business Combinations because the Legacy Archaea Holders have the largest portion of the voting power of the Company and Legacy Archaea’s senior management comprise the majority of the executive management of the Company. Additionally, the Legacy Archaea Holders appointed the majority of board members exclusive of the independent board members. The Archaea Merger represents a reverse merger and is accounted for as a reverse recapitalization in accordance with GAAP. Under this method of accounting, RAC is treated as the “acquired” company for financial reporting purposes. Accordingly, for accounting purposes, the Archaea Merger is treated as the equivalent of Legacy Archaea issuing shares for the net assets of RAC, accompanied by a recapitalization. The net assets of RAC were stated at historical cost, no goodwill or other intangible assets were recorded.

Aria Merger

As discussed in “Note 1 - Organization and Description of Business,” Aria was acquired as part of the Business Combinations consummated on September 15, 2021 to complement the Company’s existing RNG assets and for its operational expertise in the renewable gas industry. The Aria Merger represented an acquisition of a business and was accounted for using the acquisition method, whereby all of the assets acquired and liabilities assumed were recognized at their fair value on the acquisition date, with any excess of the purchase price over the estimated fair value recorded as goodwill.

As of June 30, 2022, the Company has completed the allocation of the consideration. During the six months ended June 30, 2022, the final consideration adjustment of $1.9 million was determined and received from the Aria Holders which had the effect of reducing goodwill. In addition, other purchase price adjustments of $2.5 million in the aggregate were recorded for the six months ended June 30, 2022 which had the effect of increasing goodwill.

17

ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

NOTE 5 – Revenues

The following table disaggregates revenue by significant product type and operating segment for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2022		2021		2022		2021
Revenue by Product Type
RNG, including RINs and LCFS credits	$	69,976	$	5,525	$	159,859	$	6,346
RNG O&M service (1)	280		110		812		110
Power, including RECs	27,038		5,125		58,796		7,363
Power O&M service (1)	1,083		156		3,061		156
Equipment and associated services	2,567		865		6,589		4,588
Other (1)	1,327		—		1,733		—
Total	$	102,271	$	11,781	$	230,850	$	18,563

Revenue by Operating Segment
RNG	$	70,256	$	5,635	$	160,671	$	6,456
Power	28,121		5,281		61,857		7,519
Corporate and Other	3,894		865		8,322		4,588
Total	$	102,271	$	11,781	$	230,850	$	18,563

_____________________________________________

(1) Includes revenues earned from the Company’s equity method investment joint ventures, see “Note 20 - Related Party Transactions.”

Contract Assets and Contract Liabilities

The timing of revenue recognition may differ from the timing of invoicing to customers. Contract assets include unbilled amounts from equipment sales projects when revenues recognized under the cost-to-cost measure of progress exceed the amounts invoiced to customers, as the amounts cannot be billed under the terms of the contracts. There were no credit allowances for contract assets as of September 30, 2022 or December 31, 2021. Contract liabilities from contracts arise when amounts invoiced to customers exceed revenues from equipment sales recognized under the cost-to-cost measure of progress. Contract liabilities also include advanced payments from customers on certain equipment contracts. Contract liabilities decrease as revenue is recognized from the satisfaction of the related performance obligation and are recorded as either current or long-term, depending upon when such revenue is expected to be recognized.

Contract assets and liabilities consisted of the following as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022		December 31, 2021
Contract assets (included in Prepaid expenses and other current assets)	$	1,540	$	87
Contract liabilities (included in Accrued and other current liabilities)	$	(1,457)	$	(505)

During the nine months ended September 30, 2022, the increase in contract assets was primarily the result of unbilled revenues under the terms of new equipment sales contracts, and the increase in contract liabilities was primarily due to the timing of milestone billings in advance of revenues recognized, offset in part by revenues recognized that were included in December 31, 2021 contract liabilities.

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ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

Costs to Obtain Customer Contracts

The Company recognizes an asset for the incremental costs of obtaining a contract with a customer when the economic benefit and amortization period exceeds one year. Only those costs that are directly related to the acquisition of customer contracts and that would not have been incurred if the customer contract had not been obtained are deferred as assets. As of September 30, 2022, $3.7 million in incremental customer contract acquisition costs was recognized as other non-current assets, and the amortization expense related to these costs was $0.1 million for both the three and nine months ended September 30, 2022.

Transaction Price Allocated to Remaining Unsatisfied Performance Obligations

Remaining unsatisfied performance obligations as of September 30, 2022 relate to certain of the Company’s RNG and Environmental Attributes contracts. The Company applies the optional exemptions in ASC 606 and does not disclose consideration for remaining performance obligations with an original expected duration of one year or less or for variable consideration related to unsatisfied performance obligations. Firm contracts for fixed-price, fixed-quantity sales of RNG and Environmental Attributes based on minimum contractual volumes are reflected in the table below when their original expected term is in excess of one year. The following table summarizes the revenue the Company expects to recognize over next 21 years on these firm sales contracts as of September 30, 2022:

(in thousands)
Remainder of 2022	$	19,729
2023-2024	262,926
2025-2026	430,193
2027-2028	441,060
2029-2030	434,641
2031-2032	418,453
Thereafter	1,842,870
Total	$	3,849,872

NOTE 6 – Property, Plant and Equipment

Property, plant and equipment consist of the following as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022		December 31, 2021
Machinery and equipment	$	362,224	$	285,718
Buildings and improvements	18,064		16,039
Furniture and fixtures	3,296		1,176
Construction in progress (1)	239,223		55,039
Land	585		246
Total cost	623,392		358,218
Less accumulated depreciation	(27,280)		(7,635)
Property, plant and equipment, net	$	596,112	$	350,583

_____________________________________________

(1) Includes both acquired long-lead equipment and projects in progress.

NOTE 7 – Equity Method Investments

As a result of the Aria Merger, the Company holds 50% interest in two joint ventures, Mavrix, LLC (“Mavrix”) and Sunshine Gas Producers, LLC (“SGP”), which are accounted for using the equity method due to the joint control by both the Company and unrelated parties with ownership interest in each entity.

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ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

Under the terms of the original Mavrix, LLC Contribution Agreement dated September 30, 2017, the Company is required to make an earn-out payment to its joint venture partner holding the other 50% membership in Mavrix in an amount up to $9.55 million. The earn-out payment represents additional consideration for the Company’s equity interest in Mavrix and is based on the performance of certain projects owned by Mavrix through the earn-out period, which ended September 30, 2022. In February 2022, the Mavrix, LLC Contribution Agreement was amended to exclude certain upgrade and optimization capital expenditures incurred for one specific project from the earn-out calculation and to add a maintenance expenditure cap. In September 2022, the Mavrix, LLC Contribution Agreement was amended a second time to exclude optimization capital expenditures for an additional project and clarify inclusion of certain control room capital expenditures for the final earn-out calculation. Based on the amended terms, the Company has accrued a liability of $7.9 million related to the earn-out payment as of September 30, 2022, and this amount is reflected in the accompanying balance sheet in accrued and other current liabilities. The calculated earn-out amount has been agreed to by the joint venture partner and is expected to be paid in the first quarter of 2023.

The summarized financial information for the Mavrix and SGP equity method investments is as follows: 

(in thousands)	September 30, 2022		December 31, 2021
Assets	$	232,762	$	203,864
Liabilities	58,463		15,477
Net assets	$	174,299	$	188,387
Company’s share of equity in net assets	$	87,150	$	94,194

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2022		2021		2022		2021
Total revenues	$	28,960	$	4,786	$	80,985	$	4,786
Net income	$	11,333	$	2,259	$	29,769	$	2,259
Company’s share of net income	$	5,666	$	1,130	$	14,885	$	1,130

The Company’s carrying values of the Mavrix and SGP investments also include basis differences totaling $151.4 million as of September 30, 2022 primarily as a result of the fair value measurements recorded as part of the Aria Merger. Amortization of the basis differences reduced equity investment income by $2.6 million and $7.7 million for the three and nine months ended September 30, 2022, respectively, and $0.4 million for both the three and nine months ended September 30, 2021.

On December 30, 2021, the Company entered into a new joint venture. The Company contributed $7.5 million in cash in 2021 into this newly created entity, Saturn Renewables LLC ("Saturn"), in exchange for a 50% interest, and the joint venture acquired gas rights at two landfill sites to develop RNG facilities. The Company is the operator of Saturn’s day-to-day operations and accounts for its investment in Saturn using the equity method. The Company has contributed an additional $8.0 million to the Saturn joint venture during the nine months ended September 30, 2022, and the carrying value of Saturn was $15.5 million as of September 30, 2022.

In addition, the Company also owns several smaller investments accounted for using the equity method of accounting totaling $7.0 million and $7.1 million as of September 30, 2022 and December 31, 2021, respectively.

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ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

NOTE 8 – Goodwill and Intangible Assets

Goodwill

At September 30, 2022 and December 31, 2021, the Company had goodwill of $47.8 million and $29.2 million, respectively, all of which is allocated to the RNG segment. The goodwill is primarily associated with the acquisitions of Aria and INGENCO. As discussed in “Note 4 - Business Combinations and Reverse Recapitalization,” changes in goodwill during the nine months ended September 30, 2022 include an increase of $18.0 million related to the INGENCO acquisition and an increase of $0.6 million related to finalizing the Aria Merger allocation. The Company performs its annual impairment testing on October 1 of each year or as circumstances change or necessitate. There have been no material changes related to the Company’s impairment assessments since its fiscal year ended December 31, 2021.

Intangible Assets

Intangible assets consist of biogas rights agreements, off-take agreements, O&M contracts, an RNG purchase contract, customer relationships and trade names that were recognized as a result of the allocation of the purchase price under business acquisitions based on their future value to the Company, and such intangible assets will be amortized over their estimated useful lives. Biogas rights agreements also include the cost of agreements entered into with biogas site hosts. The biogas rights agreements have various renewal terms in their underlying contracts that are factored into the useful lives when amortizing the intangible asset.

Intangible assets consist of the following as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022
	Gross Carrying Amount		Accumulated Amortization		Net
Biogas rights agreements	$	994,170	$	31,387	$	962,783
Electricity off-take agreements	28,631		3,202		25,429
O&M contracts	8,620		604		8,016
RNG purchase contract	10,290		6,956		3,334
Trade names and customer relationships	500		275		225
Total	$	1,042,211	$	42,424	$	999,787

(in thousands)	December 31, 2021
	Gross Carrying Amount		Accumulated Amortization		Net
Biogas rights agreements	$	603,868	$	8,237	$	595,631
Electricity off-take agreements	26,511		749		25,762
O&M contracts	8,620		173		8,447
RNG purchase contract	10,290		1,959		8,331
Trade names and customer relationships	500		200		300
Total	$	649,789	$	11,318	$	638,471

Total amortization expense was approximately $9.6 million and $26.1 million for the three and nine months ended September 30, 2022, respectively, and $1.7 million and $1.8 million for the three and nine months ended September 30, 2021, respectively, excluding the $1.7 million and $5.0 million for the three and nine months ended September 30, 2022, respectively, and $0.2 million for both the three and nine months ended September 30, 2021, of amortization of the RNG purchase contract that is amortized to cost of energy.

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ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

Below-Market Contracts

As a result of the Aria Merger and INGENCO acquisition, the Company assumed certain fixed-price sales contracts that were below current and future market prices at the respective closing dates. The contracts were recorded at fair value and are classified as other long-term liabilities on the Company’s consolidated balance sheets as of September 30, 2022 and December 31, 2021:

	September 30, 2022
	Gross Liability		Accumulated Amortization		Net
Gas off-take agreements	$	146,990	$	15,490	$	131,500
Power off-take agreement	1,140		14		1,126
Total	$	148,130	$	15,504	$	132,626

	December 31, 2021
	Gross Liability		Accumulated Amortization		Net
Gas off-take agreements	$	146,990	$	4,360	$	142,630

The below-market contract amortization was $3.7 million and $11.1 million for the three and nine months ended September 30, 2022, respectively, and $0.5 million for both the three and nine months ended September 30, 2021, and was recognized as an increase to revenues since it relates to the sale of RNG, Power and related Environmental Attributes.

NOTE 9 – Accrued and Other Current Liabilities

Accrued and other current liabilities consist of the following as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022		December 31, 2021
Accrued expenses	$	52,244	$	16,638
Accrued capital expenditures	17,509		16,609
Derivative liabilities	402		771
Payroll and related costs	9,817		7,683
Accrued interest	3,827		738
Contract liabilities	1,457		505
Other current liabilities	8,438		3,335
Total	$	93,694	$	46,279

NOTE 10 – Debt

Credit Agreement Amendment

On June 30, 2022, the Company amended its Revolving Credit and Term Loan Agreement which included a senior secured revolving credit facility (the “Revolver”) with an initial commitment of $250 million and a senior secured term loan credit facility (the “Term Loan”) with an initial commitment of $220 million. The amendment, among other things, increased the aggregate total commitment from the original syndicate of lenders plus two additional lenders by approximately $630 million to a total of $1.1 billion, and provides for a $400 million Term Loan and a $700 million Revolver (together, the “Credit Facilities”). In addition, on June 1, 2022, the benchmark interest rate was revised to the secured overnight financing rate (“SOFR”) plus 2.75% for the Revolver and SOFR plus 3.25% for the Term Loan. The maturity date of the Credit Facilities remains unchanged at September 15, 2026.

22

ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

The Company had outstanding borrowings under the Term Loan of $397.5 million at an interest rate of 5.88% and under the Revolver of $395.0 million at a weighted-average interest rate of 5.46% as of September 30, 2022. The Company had issued letters of credit under the Credit Facilities of $26.1 million, resulting in available borrowing capacity of $278.9 million under the Revolver as of September 30, 2022.

The Company’s outstanding debt consists of the following as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022		December 31, 2021
Credit Agreement, as amended - Term Loan	$	397,500	$	218,625
Credit Agreement, as amended - Revolver	395,000		—
Wilmington Trust – 4.47% Term Note	60,828		60,828
Wilmington Trust – 3.75% Term Note	68,174		72,542
	921,502		351,995
Less unamortized debt issuance costs	(9,558)		(9,221)
Long-term debt less debt issuance costs	911,944		342,774
Less current maturities, net	(24,120)		(11,378)
Total long-term debt, net	$	887,824	$	331,396

Scheduled future maturities of long-term debt principal amounts are as follows:

(in thousands)
Remainder of 2022	$	6,509
2023	26,108
2024	26,371
2025	26,598
2026	734,357
Thereafter	101,559
Total	$	921,502

Fair Value of Debt

The Company estimates the fair value of fixed-rate term loans based on quoted market yields for similarly rated debt instruments in an active market, which are considered a Level 2 input in the fair value hierarchy. As of September 30, 2022 and December 31, 2021, the estimated fair value of the Company’s outstanding debt was approximately $874.2 million and $353.1 million, respectively.

NOTE 11 – Leases

The Company has entered into warehouse, facility, and various office leases with third parties for periods ranging from one to eleven years. As discussed in “Note 3 - Recently Issued and Adopted Accounting Standards,” the Company adopted ASC 842 - Leases on January 1, 2022 utilizing the modified retrospective approach. The Company has elected the package of practical expedients, which allows the Company not to reassess (1) whether any expired or existing contracts as of the adoption date are or contain leases, (2) lease classification for any expired or existing leases as of the adoption date, and (3) initial direct costs for any existing leases as of the adoption date. The Company has elected not to recognize ROU assets and lease liabilities for leases with terms of 12 months or less.

The Company determines at the inception of a lease whether an arrangement that provides the Company control over the use of an asset is a lease. ROU assets and lease liabilities are initially measured at the lease commencement date based on the present value of the future lease payments over the lease term, discounted using an estimate of the Company’s

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ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

incremental borrowing rate which approximates the rate to borrow funds on collateralized loans over a similar term of the lease. Renewal options are included in the calculation of ROU assets and lease liabilities when the Company determines that the option is reasonably certain of exercise based on an analysis of the relevant facts and circumstances. When operating leases contain provisions for maintenance services, which are considered non-lease components for accounting purposes, those non-lease components are excluded from the calculation of the ROU assets and lease liabilities.

Operating lease expense is generally recognized on a straight-line basis over the lease term unless another method better represents the pattern that benefit is expected to be derived from the right to use the underlying asset. For the three and nine months ended September 30, 2022, the Company recognized total lease costs of $1.0 million and $2.7 million, respectively, which was comprised of $0.4 million and $1.1 million, respectively, in operating lease costs for ROU assets, and $0.7 million and $1.6 million, respectively, of short-term operating lease expense. For the three and nine months ended September 30, 2021, the Company recognized rent expense of $0.5 million and $0.9 million, respectively.

The Company also entered into a related-party office lease as a result of its acquisition of an interest in Gulf Coast Environmental Services, LLC in 2020. During the nine months ended September 30, 2022, the Company recognized rent expense of $70 thousand under this related-party lease which expired on May 1, 2022. For the three and nine months ended September 30, 2021, the Company recognized rent expense of $53 thousand and $0.2 million, respectively, under this related-party lease.

Supplemental information related to the Company’s ROU assets and related operating lease liabilities were as follows:

(in thousands)	Nine Months Ended September 30, 2022
Operating cash outflows for operating leases	$	1,346
Weighted-average remaining lease term (in years)	7.6
Weighted-average discount rate	5.5		%

In 2021, the Company entered into a new corporate office lease with a commitment of approximately $8.1 million that has not commenced as of September 30, 2022 and, therefore, has not been recognized on the Company’s consolidated balance sheet. This operating lease is expected to commence in the first half of 2023 with a lease term of 11 years.

As of September 30, 2022, future lease payments under the Company’s operating leases that have commenced are as follows:

(in thousands)
Remainder of 2022	$	365
2023	1,161
2024	1,158
2025	1,149
2026	1,101
Thereafter	3,479
Total future lease payments	8,413
Less portion representing imputed interest	(1,517)
Total operating lease liabilities	$	6,896

NOTE 12 – Commitments and Contingencies

Commitments

The Company has various long-term contractual commitments pertaining to its biogas rights agreements. Excluding the

24

ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

evergreen contracts, these agreements expire at various dates through 2045.

Contingencies

The Company is subject to certain claims, charges and litigation concerning matters arising in the ordinary course of business and that have not been fully resolved. The Company does not believe the ultimate outcome of any currently pending lawsuit will have a material adverse effect upon the Company’s financial statements, and the potential liability is believed to be only reasonably possible or remote.

NOTE 13 – Derivative Instruments

Warrant Liabilities

In June and September 2022, a total of 1,635,936 Private Placement Warrants were exercised on cashless basis at an exercise price of $11.50 per share in exchange for a total of 695,124 shares of Class A Common Stock. As of September 30, 2022, 5,135,064 Private Placement Warrants remain outstanding, and each is exercisable to purchase one share of Class A Common Stock or, in certain circumstances, one Class A Opco Unit and corresponding share of Class B Common Stock. The Private Placement Warrants expire on September 15, 2026, or earlier upon redemption or liquidation. Private Placement Warrants are nonredeemable so long as they are held by the initial purchasers or their permitted transferees. The outstanding Private Placement Warrants continue to be held by the initial purchasers or their permitted transferees as of September 30, 2022. See “Note 21 - Subsequent Events” for the effects of the Merger on the Private Placement Warrants.

The Private Placement Warrants contain exercise and settlement features that preclude them from being classified within stockholders’ equity, and therefore are recognized as derivative liabilities. The Company recognizes the warrant instruments as liabilities at fair value with changes in fair value included within gain (loss) on warrants and derivative contracts in the Company’s consolidated statements of operations. Derivative warrant liabilities are classified as non-current liabilities as their liquidation is not reasonably expected to require the use of current assets or require the creation of current liabilities.

The fair value of the Private Placement Warrants is estimated using the Black-Scholes option pricing model (a Level 3 measurement).

The Company used the following assumptions to estimate the fair value of the Private Placement Warrants:

	September 30, 2022			December 31, 2021
Stock price	$	18.01		$	18.28
Exercise price	$	11.50		$	11.50
Volatility	51.0		%	46.0		%
Expected term (in years)	4.0			4.7
Risk-free interest rate	4.1		%	1.2		%

The change in the fair value of the warrant liabilities is recognized in gain (loss) on warrants and derivative contracts in the consolidated statement of operations. The changes in the warrant liabilities for the nine months ended September 30, 2022 are as follows:

(in thousands)
Warrant liabilities as of December 31, 2021	$	67,290
Change in fair value	(2,306)
Less fair value of warrants exercised	(11,836)
Warrant liabilities as of September 30, 2022	$	53,148

25

ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

Natural Gas Swap

In conjunction with the Business Combinations, the Company assumed a natural gas variable to fixed priced swap agreement entered into by Aria. The Company is the fixed price payer under the swap agreement that provides for monthly net settlements through the termination date of June 30, 2023. The agreement was intended to manage the risk associated with changing commodity prices. The agreement has a remaining notional of 163,800 MMBtu as of September 30, 2022.

Changes in the fair values and realized gains (losses) for the natural gas swap are recognized in gain (loss) on warrants and derivative contracts in the consolidated statement of operations. Valuation of the natural gas swap was calculated by discounting future net cash flows that were based on a forward price curve for natural gas over the remaining life of the contract (a Level 2 measurement), with an adjustment for each counterparty’s credit rate risk.

Interest Rate Swap

In December 2021, the Company entered into an interest rate swap (the “2021 Swap”) with a three-year term for a notional amount beginning at $109.3 million and declining over the term. The 2021 Swap locked in payments of a fixed interest rate of 1.094% in exchange for a floating interest rate that resets monthly based on LIBOR. As discussed in “Note 10 - Debt,” the Company amended its Revolving Credit and Term Loan Agreement to increase the Term Loan commitment to $400 million on June 30, 2022. The 2021 Swap was terminated effective September 16, 2022 as it no longer met the requirements of the amended Revolving Credit and Term Loan Agreement, and the Company received a termination payment of $6.3 million to settle the fair value of the related derivative asset at the termination date. Concurrently, the Company entered into a new interest rate swap (the “2022 Swap”) with a three-year term for a notional amount beginning at $198.8 million as of September 1, 2022 and declining over the term to $171.3 million at the termination date. The 2022 Swap locked in payments of a fixed interest rate of 3.774% in exchange for a floating interest rate that resets monthly based on SOFR.

The 2021 Swap and 2022 Swap are not designated as hedging instruments, and net gains and losses are recognized currently in gain (loss) on warrants and derivative contracts.

The following summarizes the balance sheet classification and fair value of the Company’s derivative instruments as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022		December 31, 2021
Prepaid expenses and other current assets
Natural gas swap asset	$	274	$	—
Interest rate swap asset	852		—
Other non-current assets
Interest rate swap asset	736		439
Total derivative assets	$	1,862	$	439
Accrued and other current liabilities
Natural gas swap liability	$	34	$	44
Interest rate swap liability	368		727
Derivative liabilities
Natural gas swap liability	—		134
Interest rate swap liability	201		—
Warrant liabilities	53,148		67,290
Total derivative liabilities	$	53,751	$	68,195

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ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

The following table summarizes the income statement effect of gains and losses related to warrants and derivative instruments for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2022		2021		2022		2021
Gain (loss) on natural gas swap contract	$	287	$	64	$	857	$	64
Gain (loss) on interest rate swap contract	2,806		—		7,412		—
Gain (loss) on warrant liabilities	(10,698)		(10,477)		2,306		(10,477)
Total	$	(7,605)	$	(10,413)	$	10,575	$	(10,413)

NOTE 14 – Fair Value Measurements

Fair Values - Recurring

The following table summarizes the outstanding derivative instruments and the fair value hierarchy for the Company’s derivative assets and liabilities that are required to be measured at fair value on a recurring basis:

(in thousands)	Level 1		Level 2		Level 3		Total Fair Value
September 30, 2022
Assets
Natural gas swap	$	—	$	274	$	—	$	274
Interest rate swap	—		1,588		—		1,588
Liabilities
Natural gas swap	$	—	$	34	$	—	$	34
Interest rate swap	—		569		—		569
Warrant liabilities	—		—		53,148		53,148

(in thousands)	Level 1		Level 2		Level 3		Total Fair Value
December 31, 2021
Assets
Interest rate swap	$	—	$	439	$	—	$	439
Liabilities
Natural gas swap	$	—	$	178	$	—	$	178
Interest rate swap	—		727		—		727
Warrant liabilities	—		—		67,290		67,290

Financial Instruments Fair Value

As of September 30, 2022 and December 31, 2021, the fair value of other financial instruments including cash and cash equivalents, prepaid expenses, accounts payable, and accrued and deferred expenses approximate the carrying values because of the short-term maturity of those items. See “Note 10 - Debt” for the fair value of the Company’s debt.

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ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

Fair Values - Nonrecurring

The fair value measurements of goodwill, assets acquired and liabilities assumed, including below-market contracts assumed, in the business combinations are measured on a nonrecurring basis on the acquisition date based on inputs that are not observable in the market, and therefore, represent Level 3 inputs and measurements. See “Note 8 - Goodwill and Intangible Assets” and “Note 4 - Business Combinations and Reverse Recapitalization.”

There were no transfers between fair value hierarchy levels for the nine months ended September 30, 2022 and the year ended December 31, 2021.

NOTE 15 – Redeemable and Nonredeemable Noncontrolling Interest and Stockholders’ Equity

Redeemable Noncontrolling Interest

The redeemable noncontrolling interest relates to Class A Opco Units, including units issued in connection with the Business Combinations and units owned by the Sponsor (or their transferees), Atlas or the Company’s directors. As of September 30, 2022, the Company directly owned approximately 67.6% of the interest in Opco and the redeemable noncontrolling interest was 32.4%. As of December 31, 2021, the Company owned approximately 54.5% of the interest in Opco and the redeemable noncontrolling interest was 45.5%. Holders of Class A Opco Units other than Archaea own an equal number of shares of Class B Common Stock and have a redemption right, subject to certain limitations, to redeem Class A Opco Units and a corresponding number of shares of Class B Common Stock for, at Opco’s option, (i) shares of Class A Common Stock on a one-for-one basis, subject to adjustment for stock splits, stock dividends, reorganizations, recapitalizations and the like, or (ii) a corresponding amount of cash. Due to the cash redemption provisions of the redemption right, the Company has accounted for the redeemable noncontrolling interest as temporary equity.

Stockholders’ Equity

In March 2022, the Company supported an underwritten public offering in which Aria Renewable Energy Systems LLC sold 14,942,643 shares of our Class A Common Stock (the “Ares Secondary Offering”). The Ares Secondary Offering resulted in no proceeds to the Company and a decrease of 14,942,643 shares of outstanding Class B Common Stock and a corresponding increase of 14,942,643 shares of outstanding Class A Common Stock.

The following is a summary of Class A Common Stock and Class B Common Stock activity for the nine months ended September 30, 2022:

(in shares)	Class A Common Stock	Class B Common Stock
Balance at December 31, 2021	65,122,200	54,338,114
Issued for warrant exercises	695,124	—
Exchange of Class B Common Stock for Class A Common Stock	15,285,446	(15,285,446)
Issued for vested RSUs	317,572	—
Shares issued to vendor	172,295	—
Outstanding at September 30, 2022	81,592,637	39,052,668

Nonredeemable Noncontrolling Interests

As discussed in “Note 4 - Business Combinations and Reverse Recapitalization,” the Company owns a 60% controlling interest in the Lightning JV. Nonredeemable noncontrolling interests on the Company’s consolidated balance sheets represent the carrying value of the 40% equity ownership in the Lightning JV that is not attributable to the Company.

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ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

NOTE 16 – Share-Based Compensation

In connection with Business Combinations, the Company adopted the 2021 Omnibus Incentive Plan (the “Plan”). The Company may grant restricted stock, RSUs, incentive and non-qualified stock options, stock appreciation rights, performance awards, stock awards and other stock-based awards to officers, directors, employees and consultants under the terms of the Plan. There are 11.3 million shares authorized under the Plan and approximately 9.4 million shares remain available for future issuance as of September 30, 2022. The Company determines the grant-date fair value of its RSUs using the fair market value of its stock on the grant date, unless the awards are subject to market-based vesting conditions, in which case the Company utilizes a Monte Carlo simulation model to determine the grant-date fair value. The Company recognizes compensation expense equal to the grant-date fair value for all equity awards that are expected to vest. This expense is recognized as compensation expense on a straight-line basis over the requisite service period, which is the vesting period. The Company has elected to account for forfeitures of awards granted under the Plan as they occur in determining compensation expense.

In July 2022, certain executives and employees entered into the Company’s Executive Severance Plan. In the event of a qualifying termination or change of control termination, the Executive Severance Plan provides the eligible employees immediate vesting rights to all or a portion of their unvested share-based awards. This Executive Severance Plan modified the eligible employees’ unvested share-based awards, but there was no incremental cost related to this modification.

Restricted Stock Units

In January 2022, the Company granted a total of 41,028 RSUs to non-employee directors with a one-year vesting period. These RSUs will be subject to forfeiture restrictions and cannot be sold, transferred, or disposed of during the restriction period.

In February 2022, the Company modified and accelerated the vesting of 158,583 unvested RSUs for certain employees and recognized $2.9 million of incremental share-based compensation expense related to these modifications.

In August 2022, the Company issued a total of 172,295 RSUs vesting immediately, with a settlement date fair value of $2.9 million, to a consultant to settle the accrued liability related to costs to obtain customer contracts. See “Note 5 - Revenues” for discussion of accounting treatment.

During the nine months ended September 30, 2022, the Company granted a total of 713,533 RSUs to its executives and employees, and these RSUs generally vest over a three-year period. These RSUs will be subject to forfeiture restrictions and cannot be sold, transferred, or disposed of during the restriction period.

The table below summarizes RSU activity for the nine months ended September 30, 2022:

	RSUs	Weighted- Average Grant Date Fair Value (per unit)
Outstanding at December 31, 2021	851,020	$	17.23
Granted	926,856	$	20.93
Vested (1)	(627,653)	$	17.18
Forfeited	(180,350)	$	18.51
Outstanding at September 30, 2022	969,873	$	20.57

__________________________________________

(1) Vested RSUs include 129,394 units that were not converted into Class A Common Stock due to net share settlements to cover employee withholding taxes.

For the three and nine months ended September 30, 2022, the Company recognized a total of $3.0 million and $11.1 million, respectively, of share-based compensation expense related to RSUs, including $2.9 million of incremental share-based compensation expense for the February 2022 modifications, and $0.5 million of share-based compensation

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ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

expense related to RSUs for both the three and nine months ended September 30, 2021. At September 30, 2022, there was $16.6 million of unrecognized share-based compensation expense related to unvested RSUs, which is expected to be recognized over a weighted-average period of approximately 1.5 years.

Bonus RSUs Program

In September 2022, the compensation committee of the Company’s board of directors authorized an optional program that permits employees to elect to receive all or half of their earned 2022 annual bonuses, otherwise payable in cash, in the form of RSUs vesting immediately at the bonus payment date, with an additional 5% to 15% compared to the employee’s cash bonus amount. Obligations under this program are accounted for as liabilities, and all awards under the annual bonus RSUs program are expected to be settled during the three months ending March 31, 2023. The accrued liabilities for the RSU portion of the bonus program was $5.8 million as of September 30, 2022.

Performance-Based RSUs

During the nine months ended September 30, 2022, the Company granted a total of 376,028 performance-based RSUs (“PSUs”) to its senior executives and certain other high-level employees. Each grant award reflects a target number of PSUs that may be issued to the award recipient. These PSUs vest on March 1, 2025 following the completion of a three-year performance period ending December 31, 2024. The performance criteria consist of the market-based Absolute Total Shareholders Return (“ATSR”) and the performance-based Average Cash Return on Investment (“ACRI”). Depending on the results achieved during the three-year performance period, the actual number of PSUs that an award recipient receives at the end of the vesting period may range from 0% to 200% of the target PSUs granted. For the Executive Severance Plan participants, all or a portion of the PSUs immediately vest upon qualifying termination or change of control termination.

Estimates of grant-date fair value of these PSUs may not accurately predict the value ultimately realized by the employees who received the awards, and the ultimate value may not be indicative of the reasonableness of the original estimates of fair value made by the Company.

The fair value of the ATSR market-based performance objective was determined using Monte Carlo simulations with the following weighted-average assumptions:

Stock price	$	22.44
Volatility	49.0		%
Risk-free interest rate	2.6		%
Grant date fair value per target ATSR PSU	$	28.10

Separately, based on a subjective assessment of our future financial performance over the performance period, the Company determines quarterly the probable level of performance for the ACRI criteria. The Company starts recording compensation expense when the ACRI become probable of achievement and compensation expense is recorded based on the probable outcome of the ACRI performance conditions. Based on the Company’s subjective assessment as of September 30, 2022, the 100% payout rate of ACRI performance is probable of being achieved; accordingly, the Company recognized expense based on this target level.

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ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

The table below summarizes PSU activity for the nine months ended September 30, 2022:

	PSUs	Weighted- Average Grant Date Fair Value (per unit)
Outstanding at December 31, 2021	—	$	—
Granted	376,028	$	26.39
Vested	(4,737)	$	26.84
Forfeited	(18,521)	$	26.84
Outstanding at September 30, 2022	352,770	$	26.36

For the three and nine months ended September 30, 2022, the Company recognized a total of $0.9 million and $1.7 million, respectively, of share-based compensation expense related to these PSUs. At September 30, 2022, there was $7.8 million of unrecognized compensation expense related to unvested PSUs, which is expected to be recognized over a weighted-average period of approximately 2.4 years.

Series A Incentive Plan

Legacy Archaea adopted a Series A Incentive Plan in 2018 to provide economic incentives to select employees and other service providers in order to align their interests with equity holders of Legacy Archaea. Under the original terms of the awards, all unvested Series A units outstanding were vested upon Closing of the Business Combinations.

For the three and nine months ended September 30, 2021, Legacy Archaea recognized compensation expense of $2.1 million and $2.3 million, respectively, related to Series A units awards. As a result of the Business Combinations, the Series A Incentive Plan is no longer applicable to the Company.

NOTE 17 – Provision for Income Tax

Archaea Energy Inc. is organized as a Subchapter C corporation and, as of September 30, 2022, is a 67.6% owner of LFG Acquisition Holdings LLC. LFG Acquisition Holdings LLC is organized as a limited liability company and treated as a partnership for U.S. federal and most applicable state and local income tax purposes and, as such, is generally not subject to any U.S. federal and state entity-level income taxes with the exception of two subsidiary Subchapter C corporations and certain limited state jurisdictions.

The Company recognized federal and state income tax expense of $57 thousand and $186 thousand for the three and nine months ended September 30, 2022, respectively. The Company did not record a tax provision for the three and nine months ended September 30, 2021 primarily due to Archaea Energy LLC's status as a pass-through entity for U.S. federal income tax purposes.

The effective tax rates were (0.52)% and (1.62)% for the three and nine months ended September 30, 2022, respectively, and 0% for both the three and nine months ended September 30, 2021. The difference between the Company’s effective tax rate for the three and nine months ended September 30, 2022, and the U.S. statutory tax rate of 21% was primarily due to a full valuation allowance recorded on the Company’s net U.S. and state deferred tax assets, income (loss) from pass-through entities not attributable to Class A Common Stock, and state and local taxes. The Company evaluates the realizability of the deferred tax assets on a quarterly basis and establishes a valuation allowance when it is more likely than not that all or a portion of a deferred tax asset may not be realized.

31

ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

As of September 30, 2022, the Company determined it is not more likely than not the Company’s net deferred tax assets will be realized due to significant negative evidence such as cumulative losses and continues to maintain a full valuation allowance. There are no unrecognized tax benefits recorded as of September 30, 2022 and December 31, 2021.

Archaea is analyzing the relevant sections of the recently passed Inflation Reduction Act to determine what, if any, impact it may have on the 2022 financial statements. The Company does not anticipate a material impact on year-to-date activity as of September 30, 2022.

NOTE 18 – Net Earnings (Loss) Per Share

The Archaea Merger was accounted for as a reverse recapitalization and is treated as the equivalent of Legacy Archaea receiving proceeds for the issuance of the outstanding shares of Class A Common Stock and Class B Common Stock, as well as the warrants, of Rice Acquisition Corp. accompanied by a recapitalization. Therefore, Class A Common Stock is deemed to be outstanding beginning at the Closing due to the reverse recapitalization.

The Company’s basic earnings per share (“EPS”) of Class A Common Stock is computed based on the average number of shares of Class A Common Stock outstanding for the period. Diluted EPS includes the effects of the Company’s outstanding RSUs, PSUs and Private Placement Warrants, unless the effects are anti-dilutive to EPS.

The following provides a reconciliation between basic and diluted EPS attributable to Class A Common Stock for the three and nine months ended September 30, 2022 and 2021.

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands, except per share amounts)	2022		2021		2022		2021
Net income (loss) attributable to Class A Common shares - basic	$	(14,991)	$	(7,011)	$	(11,468)	$	(7,011)
Less gain in fair value of Private Placement Warrants	—		—		(2,306)		—
Net income (loss) attributable to Class A Common shares - diluted	$	(14,991)	$	(7,011)	$	(13,774)	$	(7,011)
Weighted average number of Class A Common shares outstanding - basic	81,045		52,847		76,035		52,847
Effect of dilutive Private Placement Warrants	—		—		2,508		—
Weighted average number of Class A Common shares outstanding - diluted	81,045		52,847		78,543		52,847
Net income (loss) per share of Class A Common Stock
Basic	$	(0.18)	$	(0.13)	$	(0.15)	$	(0.13)
Diluted	$	(0.18)	$	(0.13)	$	(0.18)	$	(0.13)

For the three months ended September 30, 2022, weighted-average total warrants of 6,094,812 and RSUs and PSUs of 1,430,225, and for the nine months ended September 30, 2022, weighted-average RSUs and PSUs of 1,223,249 were excluded from the diluted Class A Common Stock shares as their effect would have been anti-dilutive. For the three and nine months ended September 30, 2021, weighted-average total warrants of 18,883,492 and RSUs of 140,000 were excluded from the diluted Class A Common Stock shares as their effect would have been anti-dilutive.

NOTE 19 – Segment Information

The Company’s two reporting segments for the three and nine months ended September 30, 2022 and 2021 are RNG and Power. The Company’s chief operating decision maker evaluates the performance of its segments based on operational measures including revenues, net income and EBITDA.

32

ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

The following summarizes selected financial information for the Company’s reporting segments:

(in thousands)	RNG		Power		Corporate and Other		Total
Three months ended September 30, 2022
Revenue and other income	$	73,857	$	27,366	$	3,770	$	104,993
Intersegment revenue	—		1,161		(1,161)		—
Total revenue and other income	73,857		28,527		2,609		104,993
Equity investment income, net	2,547		398		—		2,945
Net income (loss)	17,762		3,249		(45,246)		(24,235)
Interest expense	1,454		—		9,121		10,575
Depreciation, amortization and accretion	11,104		5,602		266		16,972
Income tax expense	5		6		46		57
EBITDA	$	30,325	$	8,857	$	(35,813)	$	3,369
Nine months ended September 30, 2022
Revenue and other income	$	171,480	$	59,307	$	8,322	$	239,109
Intersegment revenue	—		3,938		(3,938)		—
Total revenue and other income	171,480		63,245		4,384		239,109
Equity investment income, net	6,091		976		—		7,067
Net income (loss)	42,188		6,523		(73,494)		(24,783)
Interest expense	3,448		—		13,493		16,941
Depreciation, amortization and accretion	31,178		11,333		680		43,191
Income tax expense	5		6		175		186
EBITDA	$	76,819	$	17,862	$	(59,146)	$	35,535
September 30, 2022
Goodwill	$	47,833	$	—	$	—	$	47,833
Three months ended September 30, 2021
Revenue and other income	$	5,963	$	5,158	$	865	$	11,986
Intersegment revenue	—		12		(12)		—
Total revenue and other income	5,963		5,170		853		11,986
Net income (loss)	28		(320)		(23,885)		(24,177)
Interest expense	(18)		—		1,604		1,586
Depreciation, amortization and accretion	1,906		1,204		32		3,142
EBITDA	$	1,916	$	884	$	(22,249)	$	(19,449)
Nine months ended September 30, 2021
Revenue and other income	$	6,785	$	7,395	$	4,588	$	18,768
Intersegment revenue	—		12		(12)		—
Total revenue and other income	6,785		7,407		4,576		18,768
Net income (loss)	(1,538)		(2,150)		(30,918)		(34,606)
Interest expense	2		—		1,604		1,606
Depreciation, amortization and accretion	2,121		1,834		122		4,077
EBITDA	$	585	$	(316)	$	(29,192)	$	(28,923)
December 31, 2021
Goodwill	$	29,211	$	—	$	—	$	29,211

33

ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

NOTE 20 – Related Party Transactions

Assai Energy, LLC (“Assai”) (a wholly owned subsidiary of the Company) entered into a construction service and project guarantee agreement with Noble Environmental Specialty Services, LLC (“NESS”) (a wholly owned subsidiary of Noble). This agreement is considered to be a related party transaction due to the owners of NESS also being certain officers of the Company. NESS was responsible for constructing an RNG plant located at the Keystone Landfill, near Scranton, PA. The total contract price for the EPC contract is $19.9 million, which has been fully paid. The Company also reimbursed NESS $6.7 million for costs outside the EPC contract related to additional capital costs for the Assai project. NESS billed an additional $4.2 million in capital project change orders and associated labor costs, and this amount has been capitalized to property, plant and equipment and is included in accounts payable - trade as of September 30, 2022.

The Company provides O&M and construction services for facilities owned by certain of its joint ventures and recognized associated revenues of $1.7 million and $2.7 million for the three and nine months ended September 30, 2022, respectively. As of September 30, 2022, the Company had related party balances with certain of its joint ventures including a receivable of $0.6 million.

In 2020, the Company entered into Master Services Agreement and Development and Marketing Agreement with Lutum Technologies LLC (“Lutum”), a joint venture with 20% ownership by the Company. The Company has paid zero and $0.7 million to Lutum for the three and nine months ended September 30, 2022, respectively.

NOTE 21 – Subsequent Events

On October 16, 2022, the Company and Opco entered into the Merger Agreement, pursuant to which Merger Sub will merge with and into the Company with the Company continuing as the surviving corporation and a wholly owned subsidiary of Parent, and Opco Merger Sub will merge with and into Opco with Opco continuing as the surviving company and a wholly owned subsidiary of Parent.

The Company’s board of directors has unanimously approved the Merger Agreement and, subject to certain exceptions set forth in the Merger Agreement, resolved to recommend that the Company’s stockholders adopt the Merger Agreement.

As a result of the Merger, (i) at the Effective Time, each share of Class A Common Stock outstanding immediately prior to the Effective Time (subject to certain exceptions, including shares of Class A Common Stock owned by stockholders of the Company who have not voted in favor of the adoption of the Merger Agreement and have properly exercised appraisal rights in accordance with Delaware law) will automatically be converted into the right to receive the Per Share Price in cash, subject to applicable withholding taxes, and (ii) at the Opco Merger Effective Time, each Class A Opco Unit outstanding immediately prior to the Opco Merger Effective Time that is held by a holder other than the Company or any of its subsidiaries will automatically be converted into the right to receive the Per Share Price in cash, subject to applicable withholding taxes. Also, at the Effective Time, each share of Class B Common Stock will be automatically cancelled and extinguished without any conversion thereof or consideration paid therefor.

Immediately following the Opco Merger Effective Time, each of the outstanding Private Placement Warrants will be redeemed for cash in accordance with the terms of the Warrant Agreement, as amended in connection with the Company’s entry into the Merger Agreement, which provides that immediately following the Opco Merger Effective Time, each Private Placement Warrant that is issued and outstanding immediately prior to the Effective Time will be automatically redeemed for the right to receive an amount, in cash, equal to (i) the Per Share Price minus (ii) the Warrant Price (as defined in the Warrant Agreement and which is currently $11.50) as reduced pursuant to the calculation provided in Section 4.4 of the Warrant Agreement, without interest.

34

ARCHAEA ENERGY INC.

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

If the Merger is consummated, the Class A Common Stock will be delisted from the New York Stock Exchange and deregistered under the Exchange Act. Completion of the Merger is subject to certain closing conditions, including (i) the adoption of the Merger Agreement by the holders of a majority of the outstanding shares of the Common Stock (the “Requisite Stockholder Approval”), (ii) the expiration or termination of any applicable waiting periods under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, (iii) approvals and clearances by the Federal Energy Regulatory Commission (“FERC”) and (iv) other customary conditions for a transaction of this type, such as the absence of any legal restraint prohibiting the consummation of the Merger and the absence of any Company Material Adverse Effect (as defined in the Merger Agreement). Subject to the satisfaction or waiver of such closing conditions, the parties are targeting closing the Merger by the end of 2022.

The Merger Agreement contains certain customary termination rights for the Company and Parent, including (i) if the Company Merger is not consummated by 11:59 p.m., New York City time, on July 16, 2023 (subject to an automatic extension until October 16, 2023 under certain circumstances for the purpose of obtaining certain regulatory approvals, in either case, the “Termination Date”), (ii) if the Requisite Stockholder Approval is not obtained, (iii) if the other party breaches its representations, warranties or covenants in a manner that would cause the conditions to the closing set forth in the Merger Agreement to not be satisfied and fails to cure such breach or (iv) if any legal restraint prohibiting the consummation of the Merger has become final and non-appealable. In addition, subject to compliance with certain terms of the Merger Agreement, (A) the Merger Agreement may be terminated by the Company (prior to obtaining the Requisite Stockholder Approval) in order to enter into a definitive agreement providing for a superior proposal and (B) the Merger Agreement may be terminated by Parent if the Company’s board of directors changes its recommendation.

If (i) the Merger Agreement is validly terminated by (A) Parent or the Company, if the Company Merger has not occurred by the Termination Date (provided that at the Termination Date (x) the Requisite Stockholder Approval has not been obtained or the Company stockholder meeting to approve the Merger has not been held prior to the Termination Date or (y) Parent has the right to terminate due to the Company’s uncured breach of its representations, warranties and covenants set forth in the Merger Agreement), (B) Parent or the Company, if the Company fails to obtain the Requisite Stockholder Approval or (C) Parent due to the Company’s uncured breach of its representations, warranties and covenants set forth in the Merger Agreement, (ii) prior to such termination, a third party publicly announces and (in the case of a termination at a time when the Company has failed to obtain the Requisite Stockholder Approval) does not withdraw a proposal for an alternative control transaction with the Company at least one business day before the Company fails to obtain the Requisite Stockholder Approval and (iii) within one year following such termination, the Company consummates or enters into a definitive agreement providing for an alternative control transaction that is subsequently consummated (or is terminated but a subsequent alternative control transaction is then consummated), the Company will be required to pay Parent a termination fee equal to $114.5 million (the “Company Termination Fee”). The Company is also required to pay the Company Termination Fee if (i) Parent terminates the Merger Agreement because the board of directors of the Company changes its recommendation regarding the Merger or (ii) if, prior to obtaining the Requisite Stockholder Approval, the Company terminates the Merger Agreement to enter into a definitive agreement providing for an alternative control transaction the board of directors of the Company deems to be superior to the Merger, if the Company has complied in all material respects with its non-solicitation covenant with respect to such superior proposal.

If the Merger Agreement is validly terminated by Parent or the Company (i) if any judgment, law or order prohibiting the Mergers in respect of, pursuant to or arising under any antitrust law has become final and non-appealable or because FERC has not yet issued an order authorizing the Merger or (ii) if the Company Merger has not occurred by the Termination Date and, in either case, at the time of such termination (A) any regulatory condition to Closing is not satisfied and (B) all other conditions to the obligations of Parent to consummate the Merger have been satisfied or waived, Parent will be required to pay the Company a termination fee equal to $327.2 million (the “Parent Termination Fee”).

35

Predecessor - Aria Energy LLC Financial Statements

Archaea determined that Aria is the predecessor to the Company due to the relative fair values of the Company and legacy operations Aria had compared to Archaea. As such, we have included Aria’s consolidated statements of operations and consolidated statements of comprehensive income for the periods from July 1 to September 14, 2021, and from January 1 to September 14, 2021 and consolidated statement of cash flows for the period from January 1 to September 14, 2021. See Archaea Energy Inc.’s “Note 4 - Business Combinations and Reverse Recapitalization” in the 2021 Annual Report for additional information.

36

ARIA ENERGY LLC AND SUBSIDIARIES (Predecessor)

Consolidated Statements of Operations

(Unaudited)

(in thousands)	July 1 to September 14, 2021		January 1 to September 14, 2021
Revenues and Other Income
Energy revenue	$	35,765	$	120,250
Construction revenue	8		32
Amortization of intangibles and below-market contracts	(785)		(2,693)
Total Revenues and Other Income	34,988		117,589
Equity Investment Income, net	6,451		19,777
Cost of Sales
Cost of energy	15,175		56,291
Cost of other revenues	8		30
Depreciation, amortization and accretion	4,634		15,948
Total Cost of Sales	19,817		72,269
Gain on disposal of assets	—		(1,347)
General and administrative expenses	20,678		33,737
Operating Income	944		32,707
Other Income (Expense)
Interest expense, net	(2,053)		(10,729)
Gain (loss) on derivative contracts	574		1,129
Gain on extinguishment of debt	—		61,411
Other income	1		2
Total Other Income (Expense)	(1,478)		51,813
Net Income (Loss)	(534)		84,520
Net income attributable to noncontrolling interest	—		289
Net Income (Loss) Attributable to Controlling Interest	$	(534)	$	84,231

The accompanying notes are an integral part of these consolidated financial statements.

37

ARIA ENERGY LLC AND SUBSIDIARIES (Predecessor)

Consolidated Statements of Comprehensive Income

(Unaudited)

(in thousands)	July 1 to September 14, 2021		January 1 to September 14, 2021
Net Income (Loss)	$	(534)	$	84,520
Other Comprehensive Income (Loss)
Net actuarial income	19		213
Other Comprehensive Income (Loss)	(515)		84,733
Comprehensive income attributable to noncontrolling interest	—		289
Comprehensive Income (Loss) Attributable to Controlling Interest	$	(515)	$	84,444

The accompanying notes are an integral part of these consolidated financial statements.

38

ARIA ENERGY LLC AND SUBSIDIARIES (Predecessor)

Consolidated Statement of Cash Flows

(Unaudited)

(in thousands)	January 1 to September 14, 2021
Cash flows from operating activities
Net income	$	84,520
Adjustments to reconcile consolidated net income to net cash provided by operating activities:
Depreciation, amortization and accretion	15,948
Gain on disposal of assets	(1,573)
Amortization of debt origination costs	699
Amortization of intangibles and below-market contracts	859
Return on investment in equity method investments	19,518
Equity in earnings of equity method investments	(19,777)
Change in fair value of derivatives	(1,268)
Gain on extinguishment of debt	(61,411)
Net periodic postretirement benefit cost	106
Changes in operating assets and liabilities:
Accounts receivable	(4,728)
Inventory	(1,318)
Prepaid expenses and other assets	(143)
Other non-current assets	(196)
Trade accounts payable	478
Accrued and other current liabilities	19,231
Net cash provided by operating activities	50,945
Cash flows from investing activities
Purchase of property and equipment	(2,318)
Contributions to equity method investments	(8,430)
Net cash used in investing activities	(10,748)
Cash flows from financing activities
Payments on long-term debt	(49,551)
Net cash used in financing activities	(49,551)
Net decrease in cash and cash equivalents	(9,354)
Cash and cash equivalents – beginning of period	14,257
Cash and cash equivalents – end of period	$	4,903
Supplemental cash flow information
Cash paid for interest	$	5,940
Noncash investing activities
Accruals of property and equipment incurred but not yet paid	$	25

The accompanying notes are an integral part of these consolidated financial statements.

39

ARIA ENERGY LLC AND SUBSIDIARIES (Predecessor)

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

NOTE 1 - Description of Business - Predecessor

Aria Energy LLC and its subsidiaries (“Aria”) design, install, own, and operate long-lived energy projects. Aria was originally formed on September 6, 2007, as EIF Renewable Energy Holdings LLC, a Delaware LLC, headquartered in Novi, Michigan. Aria generates its revenue from customers located throughout the United States from the production and sale of electrical energy from LFG fuel engines and related Environmental Attributes, production and sale of RNG and related Environmental Attributes, operating and maintaining LFG projects owned by third parties, and constructing energy projects. Environmental Attributes include RECs in the power market and RINs and LCFS credits in the RNG market. Aria benefits from federal and state renewable fuel standards and federal compliance requirements for landfill owners and operators.

Funds managed by Ares EIF Management LLC held 94.35% of the ownership interests in Aria before the Closing of the Business Combinations.

The accompanying consolidated financial statements present the consolidated financial position and results of operations of Aria Energy LLC and its wholly owned subsidiaries.

NOTE 2 - Summary of Significant Accounting Policies - Predecessor

Basis of Presentation

The consolidated financial statements of Aria have been prepared on the basis of United States generally accepted accounting principles (“GAAP”).

Use of Estimates

The preparation of the consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect amounts reported in the consolidated financial statements. Actual results could differ from those estimates.

Revenue Recognition

Aria generates revenue from the production and sale of electricity, gas, and their related Environmental Attributes, and performance of other landfill energy services. Based on requirements of GAAP, a portion of revenue is accounted for under ASC 840, Leases, and a portion under ASC 606, Revenue from Contracts with Customers. Under ASC 840, revenue is recognized generally upon delivery of electricity, gas, and their related Environmental Attributes. Under ASC 606, revenue is recognized upon the transfer of control of promised goods or services to the customer in an amount that reflects the consideration to which is expected to be entitled in exchange for those goods or services. Based on the terms of the Power Purchase Agreements, the amounts recorded under ASC 840 are generally consistent with revenue recognized under ASC 606. For the year-to-date period ended September 14, 2021, approximately 36% of revenue was accounted for under ASC 606 and 64% under ASC 840.

40

ARIA ENERGY LLC AND SUBSIDIARIES (Predecessor)

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

The following tables display Aria’s revenue by major source and by operating segment for the periods July 1 to September 14, 2021 and January 1 to September 14, 2021:

(in thousands)	July 1 to September 14, 2021		January 1 to September 14, 2021
RNG, including RINs and LCFS credits	$	28,125	$	83,848
RNG O&M service	268		974
Power, including RECs	6,591		31,217
Power O&M service	781		4,211
Other	8		32
Total	$	35,773	$	120,282
Operating segments
RNG	$	28,402	$	84,853
Power	7,371		35,429
Total	$	35,773	$	120,282

Held for Sale

During 2020, Aria enacted a plan to sell LES Project Holdings LLC (“LESPH”), and accordingly, the business was classified as held for sale. An agreement to sell the membership interests of the business subsequently was executed on March 1, 2021. The sale of LESPH was completed on June 10, 2021. Proceeds from the sale were $58.5 million and were sent to the lenders of the LESPH debt, and Aria was released from its obligations under the LESPH debt. A gain on the extinguishment of debt in the amount of $61.4 million was recorded in conjunction with the sale, which accounts for the proceeds received, the debt and interest payable relieved and settlement of LESPH intercompany balances, and Aria recorded an ordinary gain on sale of assets in the amount of $1.3 million.

The pre-tax net earnings associated with LESPH included in Aria’s consolidated statement of operations were $0.5 million for the period July 1 to September 14, 2021 and $67.6 million for the year-to-date period ended September 14, 2021.

NOTE 3 - Equity Method Investments - Predecessor

Aria holds 50% interests in two joint ventures accounted for using the equity method – Mavrix and Sunshine Gas Producers, LLC. Prior to the sale of LESPH in June 2021, Aria also held 50% interests in the following four joint ventures: Riverview Energy Systems, LLC, Adrian Energy Systems, LLC, Salem Energy Systems, LLC, and Salt Lake Energy Systems LLC.

Under the terms of the Mavrix, LLC Contribution Agreement dated September 30, 2017, Aria is required to make an earn-out payment to its joint venture partner holding the other 50% membership (in Mavrix) in an amount up to $9.55 million. As defined in the Contribution Agreement, the payment represents additional consideration for Aria’s equity interest in Mavrix, and the earn-out payment will be based on the performance of certain projects owned by Mavrix through the earn-out period which ends September 30, 2022. No earn-out payment is made until after the end of the earn-out period. Aria has estimated the earn-out payment to be $1.7 million at September 14, 2021 and has recorded the amount in other long-term liabilities.

41

ARIA ENERGY LLC AND SUBSIDIARIES (Predecessor)

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

Summary information on the equity method investments is as follows:

(in thousands)	July 1 to September 14, 2021		January 1 to September 14, 2021
Revenue	$	25,223	$	78,125
Net income	$	13,237	$	38,512
Aria’s share of net income	$	6,451	$	19,777

NOTE 4 - Derivative Instruments - Predecessor

Aria was exposed to certain risks in the normal course of its business operations. The main risks are those relating to the variability of future earnings and cash flows – e.g., market risks, which are managed through the use of derivative instruments. All derivative financial instruments are reported in the consolidated balance sheets at fair value, unless they meet the normal purchase normal sale criteria and are designated and documented as such.

Aria has a natural gas variable to fixed-priced swap agreement which provides for a fixed to variable rate swap calculated monthly, until the termination date of the contract, June 30, 2023. The agreement was intended to manage the risk associated with changing commodity prices. Changes in the fair values of natural gas swap are recognized in gain (loss) on derivative contracts and realized losses are recognized as a component of cost of energy expense as summarized in the table below.

Valuation of the natural gas swap was calculated by discounting future net cash flows that were based on a forward price curve for natural gas over the life of the contract (a Level 2 measurement), with an adjustment for each counterparty's credit rate risk.

On April 6, 2020, Aria entered into an interest rate cap with a total notional amount of $110 million and an effective date of April 30, 2020. The cap agreement provides a fixed cap rate of 1.00% per annum related to the one-month LIBOR and has a termination date of May 31, 2022. The market value at September 14, 2021 was valued at zero and all associated fees with this transaction were recorded.

(in thousands)	July 1 to September 14, 2021		January 1 to September 14, 2021
Natural gas swap - unrealized gain	$	574	$	1,129

NOTE 5 - Benefit Plans - Predecessor

401(k) Plan

Aria maintains a qualified tax deferred 401(k) retirement plan (the “Aria Plan”). Under the provisions of the Aria Plan, substantially all employees meeting minimum age and service requirements are entitled to contribute on a before and after-tax basis a certain percentage of their compensation. Aria matches up to 100% of employees’ first 3% contribution and 50% of the employees’ next 2% contribution. Employees vest immediately in their contributions and Aria’s contribution.

Postretirement Obligations

Aria sponsors an unfunded defined benefit health care plan that provides postretirement medical benefits to certain full-time employees who meet minimum age and service requirements.

42

ARIA ENERGY LLC AND SUBSIDIARIES (Predecessor)

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

Net periodic benefit cost recognized in the consolidated statements of comprehensive income was as follows:

(in thousands)	July 1 to September 14, 2021		January 1 to September 14, 2021
Service cost	$	8	$	27
Interest cost	19		64
Amortization of prior service cost	2		8
Recognition of net actuarial loss	17		57
Net periodic benefit cost	$	46	$	156

NOTE 6 - Related Party Transactions - Predecessor

Sales are made to and services are purchased from entities and individuals affiliated through common ownership. Aria provides O&M services and administration and accounting services to their 50% owned joint ventures.

The following is a summary of transactions with these related parties:

(in thousands)	July 1 to September 14, 2021		January 1 to September 14, 2021
Sales of construction services	$	8	$	32
Sales of operations and maintenance services	$	214	$	1,215
Sales of administrative and other services	$	25	$	221

NOTE 7 - Segment Reporting - Predecessor

(in thousands)	RNG		Power		Corporate and Other		Total
For the period July 1 to September 14, 2021
Total revenue and other income	$	27,668	$	9,127	$	(1,807)	$	34,988
Net income (loss)	20,293		1,505		(22,332)		(534)
Depreciation, amortization and accretion	1,888		2,739		7		4,634
Interest expense	—		—		2,053		2,053
EBITDA	$	22,181	$	4,244	$	(20,272)	$	6,153
For the year-to-date period ended September 14, 2021
Total Revenue and other income	$	82,338	$	37,058	$	(1,807)	$	117,589
Net income (loss)	59,066		66,431		(40,977)		84,520
Depreciation, amortization and accretion	6,447		9,467		34		15,948
Interest expense	—		—		10,729		10,729
EBITDA	$	65,513	$	75,898	$	(30,214)	$	111,197

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ITEM 2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following discussion and analysis should be read in conjunction with the financial statements and related notes included elsewhere in this Report. This discussion contains forward-looking statements reflecting our current expectations, estimates, and assumptions concerning events and financial trends that may affect our future operating results or financial position. Actual results and the timing of events may differ materially from those contained in these forward-looking statements due to a number of factors, including those discussed in the section entitled “Risk Factors” in Part I, Item 1A in the 2021 Annual Report and the sections entitled “Risk Factors” in Part II, Item 1A and “Forward-Looking Statements” appearing elsewhere in this Report.

Overview

Archaea is one of the largest RNG producers in the U.S., with an industry-leading RNG platform primarily focused on capturing and converting waste emissions from landfills and livestock farms into low-carbon RNG and electricity. As of September 30, 2022, the Company owns, through wholly-owned entities or joint ventures, a diversified portfolio of 46 LFG recovery and processing projects across 20 states, including 13 operated projects that produce pipeline-quality RNG and 33 LFG to renewable electricity production facilities.

Archaea develops, designs, constructs, and operates RNG facilities. Archaea, through wholly-owned entities or joint ventures, has entered into long-term agreements with biogas site hosts which give us the rights to utilize gas produced at their sites and to construct and operate facilities on their sites to produce RNG and renewable electricity. Archaea has an extensive RNG development backlog for which gas rights agreements are currently in place, including planned optimizations of certain operating RNG facilities over time and opportunities to build new RNG facilities on sites with existing renewable electricity facilities and on greenfield sites.

Our differentiated commercial strategy is focused on selling the majority of our RNG volumes under long-term, fixed-price contracts to creditworthy partners, including utilities, corporations, and universities, helping these entities reduce greenhouse gas emissions and achieve decarbonization goals while utilizing their existing gas infrastructure. We seek to mitigate our exposure to commodity and Environmental Attribute pricing volatility by selling a majority of our RNG and related Environmental Attributes under long-term fixed price contracts with creditworthy counterparties, which are designed to provide revenue certainty.

Certain long-term off-take contracts were accounted for as operating leases prior to January 1, 2022 and have no minimum lease payments. The rental income under these leases was recorded as revenue when the RNG was delivered to the customer. RNG not covered by off-take contracts is sold under short-term market-based contracts. When the performance obligation is satisfied through the delivery of RNG to the customer, revenue is recognized. We usually receive payments from the sale of RNG production within one month after delivery.

We also earn revenue by selling RINs, which are generated when producing and selling RNG as transportation fuel. These RINs are able to be separated and sold independently from the RNG produced. When the RNG and RIN are sold on a bundled basis under the same contract, revenue is recognized when the RNG is produced and the RNG and associated RINs are transferred to a third party. The remaining RIN sales are under a combination of short-term spot price contracts and forward sold fixed-price contracts independent from RNG sales, and revenue is recognized upon transfer of control to a third-party customer which could be in the month of production or subsequent months based on the terms of the customer contracts. We also generate and sell LCFS credits at some of our RNG projects through off-take contracts similar to RINs. LCFS is state level program administered by the CARB. LCFS credits are generated when RNG is sold as vehicle fuel in California.

There is a general lag in the generation and sale of RINs and LCFS credits subsequent to a facility being placed into operation. While each new facility is eligible to register under the federal Renewable Fuel Standard (“RFS”) upon initial production and pipeline injection, Archaea has external parties certify its plants under the EPA’s voluntary Quality Assurance Plan (“QAP”) in order to maximize the value of its D3 RINs. The initial QAP review generally requires evaluation of up to 90 days of operational data prior to achieving Q-RIN status. Once registration is obtained from the EPA and Q-RIN status achieved, Archaea can generate qualified RINs. RINs are generated monthly for the previous month’s production; however, control may transfer and revenues may be recognized before the RINs are generated based on the terms of the customer contracts. Quarterly and annual reports are required to maintain RFS registration and Q-RIN status for each facility.

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LCFS registration requires a minimum of 90 days operational data for a provisional fuel pathway application. Following the application submission, there is a mandatory third-party validation period ranging from three to six months. During this time, LCFS credits can be generated for the facility using a temporary carbon intensity (“CI”) score, which is typically higher than the expected certified CI for our facilities. Following successful fuel pathway validation, the facility is eligible to generate LCFS credits using the new provisional CI score. LCFS credits are generated on a quarterly basis for the previous quarter of production. Credits are then available to be sold. Quarterly and annual reports are required to maintain LCFS registration and certified CI for each facility.

Our Segments

The Company reports segment information in two segments: RNG and Power. Prior to the Business Combinations, the Company managed RNG as its primary business operations, which is to construct and develop biogas facilities on landfill sites for production of RNG. Our Power segment generates revenue by selling renewable electricity and associated Environmental Attributes. We expect our future long-term growth to be driven primarily by additional projects within the RNG segment, and we expect to build new RNG facilities on the majority of our sites with existing LFG to renewable electricity projects over time.

In addition, we hold interests in other entities that are accounted for using the equity method of accounting, including Mavrix, LLC, which owns and operates five separate RNG facilities, and Saturn Renewables, LLC, which owns gas rights at two landfills, both of which are included in the RNG segment, as well as the Sunshine electric project included in the Power segment. Additionally, the RNG segment includes the Lightning JV, a consolidated VIE.

Pending Merger

On October 16, 2022, the Company and Opco entered into the Merger Agreement with Parent, Merger Sub, and Opco Merger Sub, pursuant to which Merger Sub will be merged with and into the Company with the Company continuing as the surviving corporation and a wholly owned subsidiary of Parent, and Opco Merger Sub will be merged with and into Opco with Opco continuing as the surviving company and a wholly owned subsidiary of Parent.

As a result of the Merger, (i) at the Effective Time, each share of Class A Common Stock outstanding immediately prior to the Effective Time (subject to certain exceptions, including shares of Class A Common Stock owned by stockholders of the Company who have not voted in favor of the adoption of the Merger Agreement and have properly exercised appraisal rights in accordance with Delaware law) will automatically be converted into the right to receive the Per Share Price in cash, subject to applicable withholding taxes, and (ii) at the Opco Merger Effective Time, each Class A Opco Unit outstanding immediately prior to the Opco Merger Effective Time that is held by a holder other than the Company or any of its subsidiaries will automatically be converted into the right to receive the Per Share Price in cash, subject to applicable withholding taxes. Also, at the Effective Time, each share of Class B Common Stock will be automatically cancelled and extinguished without any conversion thereof or consideration paid therefor. In addition, immediately following the Opco Merger Effective Time, each of the Private Placement Warrants will be redeemed for cash in accordance with the terms of the Warrant Agreement, as amended in connection with the Company’s entry into the Merger Agreement.

The parties are targeting closing the Merger by the end of 2022, subject to customary closing conditions, including approval by the Company’s stockholders and receipt of regulatory approvals. Upon closing of the Merger, the Class A Common Stock will no longer be listed on any public market. See “Note 21 - Subsequent Events” in this Report for more information regarding the Merger.

The Business Combinations

On September 15, 2021, RAC completed the Business Combinations to acquire Legacy Archaea and Aria. Following the Closing, RAC changed its name from “Rice Acquisition Corp.” to “Archaea Energy Inc.,” and Rice Acquisitions Holdings LLC was renamed “LFG Acquisition Holdings LLC” (also referred to herein as “Opco”).

The Company and Opco issued 33.4 million Class A Opco Units and 33.4 million shares of Class B Common Stock on the Closing Date to Legacy Archaea Holders to acquire Legacy Archaea. Aria was acquired for total initial consideration of $863.1 million, which was reduced by $1.9 million in March 2022 for the final adjustment under the terms set forth in the Aria Merger Agreement. The initial Aria Merger consideration consisted of cash consideration of $377.1 million paid to Aria Holders and equity consideration in the form of 23.0 million Class A Opco Units and 23.0 million shares of Class B Common Stock. In addition, $91.1 million of Aria debt was repaid in connection with the Aria Merger.

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Archaea has retained its “up-C” structure, whereby all of the equity interests in Aria and Legacy Archaea are indirectly held by Opco and Archaea Energy Inc.’s only assets are its equity interests in Opco. Opco is considered a VIE for accounting purposes, and the Company, as the sole managing member of Opco, is considered the primary beneficiary. As such, the Company consolidates Opco and the unitholders that hold economic interests directly at Opco are presented as redeemable noncontrolling interests in the Company’s financial statements.

Holders of Class A Opco Units (other than Archaea) have a redemption right, subject to certain limitations, to redeem Class A Opco Units (and a corresponding number of shares of Class B Common Stock) for, at Opco’s option, (i) shares of Class A Common Stock on a one-for-one basis, subject to adjustment for stock splits, stock dividends, reorganizations, recapitalizations and the like, or (ii) a corresponding amount of cash.

Predecessor and Successor Reporting

Legacy Archaea is considered the accounting acquirer of the Business Combinations for accounting purposes, and the Archaea Merger represents a reverse merger and is accounted for as a reverse recapitalization in accordance with GAAP. Under this method of accounting, RAC is treated as the acquired company for financial reporting purposes. Accordingly, for accounting purposes, the Archaea Merger is treated as the equivalent of Legacy Archaea issuing shares for the net assets of RAC, accompanied by a recapitalization.

Legacy Archaea is considered the “Successor.” As such, the consolidated assets, liabilities and results of operations prior to the September 15, 2021 reverse recapitalization are those of Legacy Archaea (the accounting acquirer), and the Company’s consolidated financial statements include the assets, liabilities and results of operations of Aria beginning on September 15, 2021.

The Aria Merger represents a business combination in which Aria was determined to be the acquired company. Due to Aria’s historical operations compared to Legacy Archaea and the relative fair values, Aria was determined to be the “Predecessor.” Aria’s consolidated statements of operations and consolidated statements of comprehensive income for the period from July 1 to September 14, 2021 and from January 1 to September 14, 2021 and Aria’s consolidated statement of cash flows for the period from January 1 to September 14, 2021 have been included in “Financial Statements” in Part 1, Item 1 of this Report to enhance comparability for readers.

Factors Affecting the Comparability of Our Financial Results

Our results of operations will not be comparable to our Successor or our Predecessor’s historical results of operations for the reasons described below:

•The Company’s results of operations and financial position may not be comparable to Legacy Archaea’s or Aria’s historical results as a result of the Business Combinations and the Company’s ongoing development activities. Our results prior to the closing of the Business Combinations on September 15, 2021 only include Legacy Archaea, the accounting acquirer, whereas our results beginning on September 15, 2021 include the combined operations of Legacy Archaea and Aria as managed by the Company. In addition, both Legacy Archaea and Aria have experienced significant growth and expansion over the last two years, and the Company expects to continue to grow significantly through organic growth projects and acquisitions, including the INGENCO acquisition and the Lightning JV. In addition to significant growth and expansion in operations, the Company has raised a significant amount of capital through financing transactions to fund a portion of that growth, which may also impact the comparability of our historical results to our future results.

•As a result of the Business Combinations, and subsequent acquisitions, joint ventures and other transactions, the Company has hired and will need to hire additional personnel and implement procedures and processes to address expanded facilities, as well as public company regulatory requirements and customary practices. The Company expects to incur additional annual expenses as a public company that Legacy Archaea and Aria did not historically incur for, among other things, directors’ and officers’ liability insurance, director fees, share-based compensation, and additional internal and external accounting and legal and administrative resources, including increased audit and legal fees.

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•As a corporation, the Company is subject to U.S. federal income and applicable state taxes to the extent it generates positive taxable income. Legacy Archaea and Aria and their subsidiaries (with the exception of one partially-owned subsidiary which filed income tax returns as a C corporation) are and were generally not subject to U.S. federal income tax at an entity level. Accordingly, the net income in Legacy Archaea and Aria’s historical financial statements does not reflect the full tax expense the Company would have incurred if it were subject to U.S. federal income tax at an entity level during such periods.

Recent Events

INGENCO Acquisition

On April 26, 2022, a wholly owned subsidiary of the Company, Archaea Infrastructure, LLC, entered into a definitive purchase and sale agreement (the “INGENCO Purchase Agreement”) to purchase INGENCO, which owned 14 LFG to renewable electricity facilities. The consideration paid upon the July 2022 closing of the transaction was $230.5 million and was funded with cash on hand and borrowings under the Term Loan and Revolver. The acquisition includes a number of existing long-term gas rights agreements in place which increase the Company’s backlog of RNG development opportunities. See discussion in “Note 4 - Business Combinations and Reverse Recapitalization” in this Report.

Lightning JV Formation

On May 5, 2022, the Company and Republic announced the formation of the Lightning JV to develop 39 RNG projects across the U.S. that will be located at various landfill sites owned or operated by Republic. The joint venture will develop and construct RNG facilities that will convert LFG into pipeline-quality RNG that can be used for a variety of applications.

Pursuant to the terms of the contribution agreement, dated May 4, 2022, a wholly owned subsidiary of the Company, Zeus Renewables LLC (“Zeus”), and a wholly owned subsidiary of Republic, Republic Services Renewable Energy, LLC (“Investco”), will contribute approximately $780 million and $300 million, respectively, over approximately five to six years in exchange for newly issued limited liability company interests of the Lightning JV (the “Lightning JV Membership Interests”), with Zeus and Investco holding 60% and 40%, respectively, of the outstanding Lightning JV Membership Interests. In July 2022, the Company made its initial capital contribution of $222.5 million to the Lightning JV, which was funded with borrowings under the Revolver, and Investco made its initial capital contribution of $88.5 million. Investco also contributed landfill gas rights with an estimated fair value of $184.2 million. Concurrent with and utilizing the initial capital contribution funding, the Lightning JV paid $37.9 million to acquire an additional site (“Fort Wayne”) located in Fort Wayne, Indiana. The purchase of Fort Wayne includes the landfill gas rights to a Republic-owned landfill site and a medium-BTU facility.

Cash on hand from operations of the Lightning JV (less certain customary reserves) will be distributed quarterly to Zeus and Investco, as the members, in accordance with their membership percentages, and no later than 10 days following the final commercial operations date of all approved LFG projects (excluding any subsequently abandoned), the Lightning JV will distribute all unused capital contributions to Zeus and Investco in proportion to their capital contributions.

The Lightning JV, Investco and Archaea Operating LLC, a wholly owned subsidiary of the Company, have entered into certain other arrangements relating to the Lightning JV that govern, among other things, the grant by Republic of landfill gas rights and real property rights at 40 of Republic’s landfills to the Lightning JV, the process and timeline for development at those landfills by the Lightning JV, the production and sale of RNG and related Environmental Attributes by the Lightning JV, the payment of royalties to Republic and, in exchange for a fee to be paid to Archaea Operating LLC, engineering, procurement, construction management services and O&M services to be provided to the Lightning JV.

Key Factors Affecting Operating Results

The Company’s business strategy includes growth primarily through the upgrade and expansion of existing RNG production facilities, building new RNG production facilities at sites of our existing LFG to renewable electricity production facilities, development and construction of greenfield RNG development projects for which we already have gas development agreements in place, and the procurement of LFG rights and LFG to renewable electricity production facilities to develop additional RNG projects. We are also evaluating other potential sources of biogas and exploring the development of wells for carbon sequestration, the use of on-site solar-generated electricity to meet energy needs for RNG production, and the use of RNG as a feedstock for low-carbon hydrogen.

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The Company’s performance and future success depend on several factors that present significant opportunities but also pose risks and challenges. For information regarding the key factors affecting our performance and future success, see “Key Factors Affecting Operating Performance” within “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Part II, Item 7 of the 2021 Annual Report. In addition to those discussed in Part I, Item 1A. “Risk Factors” of the 2021 Annual Report, these factors include: the demand for RNG, renewable electricity and Environmental Attributes; electricity prices and the costs of raw materials and labor; the regulatory landscape, which affects demand for our products by providing market participants with incentives to purchase RNG, renewable electricity and Environmental Attributes and which may also affect our development or operating costs; and seasonality.

Results of Operations

Key Metrics

Management regularly reviews a number of operating metrics and financial measurements to evaluate our performance, measure our growth and make strategic decisions. In addition to traditional GAAP performance and liquidity measures, such as revenue, cost of sales, net income and cash provided by operating activities, we also consider MMBtu of RNG and MWh of electricity sold in evaluating our operating performance. Each of these metrics is discussed below under “Comparison of the Three and Nine Months Ended September 30, 2022 and 2021.”

Key Components of Results of Operations

See “Key Components of Results of Operations” within “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Part II, Item 7 of the 2021 Annual Report for information regarding the key components of our results of operations, which are revenue, cost of sales, general and administrative expenses and equity earnings.

Comparison of the Three and Nine Months Ended September 30, 2022 and 2021

The following discussion pertains to the results of operations, financial condition, and changes in financial condition of the Successor. Legacy Archaea (the Successor) did not have operational RNG and Power assets until commercial RNG and Power operations commenced in the fiscal quarter ended June 30, 2021 and did not have significant revenues from operations until the acquisition of Aria. A majority of the Company’s revenues prior to March 31, 2021 were comprised of sales of customized pollution control equipment and maintenance agreement services. As such, to provide more meaningful comparisons, the following discussion also compares certain of the Company’s operating results for the three and nine months ended September 30, 2022 to the combined operating results of Legacy Archaea and Aria for the three and nine months ended September 30, 2021. Such combined information (which is referred to in this Report as “on a combined basis”) is the sum of the historical financial results of Legacy Archaea and Aria and does not include the impact of purchase accounting.

In this section, any increases or decreases “for the three and nine months ended September 30, 2022” refer to the comparison of the three and nine months ended September 30, 2022, to the three and nine months ended September 30, 2021.

As noted above, Legacy Archaea did not have significant revenues from operations until the acquisition of Aria in September 2021. As such, any segment comparison would not be informative and has not been included for comparison purposes.

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Volumes Sold

	Three Months Ended September 30,			Nine Months Ended September 30,
	2022	2021	Change	2022	2021	Change
RNG Sold (MMBtu)(1)(2)	2,121,603	222,591	1,899,012	5,138,103	258,316	4,879,787
Electricity Sold (MWh)(1)(2)	243,581	70,988	172,593	533,988	118,835	415,153

_____________________________________________

(1) Volumes sold represent the consolidated Successor volumes only (excluding volumes sold by the Company’s equity method investments). On a combined basis, during the three and nine months ended September 30, 2021, the Company sold 1,101,247 MMBtu and 3,241,685 MMBtu of RNG, respectively, and 157,291 MWh and 408,587 MWh of electricity, respectively.

(2) Volumes sold exclude the Company’s equity method investments’ net volumes sold during the three and nine months ended September 30, 2022 of 296,454 MMBtu and 857,751 MMBtu of RNG, respectively, and 16,379 MWh and 50,358 MWh of electricity, respectively, and during both the three and nine months ended September 30, 2021 of 53,454 MMBtu of RNG and 3,151 MWh of electricity.

RNG volumes increased for the three and nine months ended September 30, 2022 compared to the three and nine months ended September 30, 2021 on consolidated basis due to the acquisition of Aria, the commencement of commercial operations in April 2021 at our Boyd County RNG facility, and the commencement of commercial operations at our Assai facility in late December 2021. Megawatts sold increased for the three and nine months ended September 30, 2022 compared to the three and nine months ended September 30, 2021 due to the purchase of the PEI Power assets in April 2021, the acquisition of Aria, the acquisition of additional LFG to renewable electricity facilities, and the July 2022 acquisition of INGENCO. The increase on a combined basis occurred due to the same factors discussed above, excluding the acquisition of Aria.

Set forth below is a summary of selected financial information for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,						Nine Months Ended September 30,
(in thousands)	2022		2021		$ Change		2022		2021		$ Change
Revenues and other income	$	104,993	$	11,986	$	93,007	$	239,109	$	18,768	$	220,341
Costs of sales	83,334		13,235		70,099		188,771		19,678		169,093
Equity investment income, net	2,945		879		2,066		7,067		879		6,188
General and administrative expenses	30,478		11,889		18,589		75,714		22,933		52,781
Operating income (loss)	(5,874)		(12,259)		6,385		(18,309)		(22,964)		4,655
Other income (expense), net	(18,304)		(11,918)		(6,386)		(6,288)		(11,642)		5,354
Net income (loss)	$	(24,235)	$	(24,177)	$	(58)	$	(24,783)	$	(34,606)	$	9,823

Revenues and Other Income

Revenues and other income were approximately $105.0 million and $239.1 million for the three and nine months ended September 30, 2022, respectively, as compared to $12.0 million and $18.8 million for the three and nine months ended September 30, 2021, respectively, an increase of $93.0 million and $220.3 million, respectively. The increased revenues are primarily attributable to the acquisition of Aria resulting in a $53.3 million and $145.0 million increase for the three and nine months ended September 30, 2022, respectively, the strong market pricing of Environmental Attributes, natural gas and electricity, and the commencement of commercial operations at our Assai RNG facility, and other acquisitions made in late 2021 and 2022.

Revenues and other income increased on a combined basis for the three and nine months ended September 30, 2022 as compared to revenue and other income for the three and nine months ended September 30, 2021 primarily due to the strong market pricing of Environmental Attributes, natural gas and electricity, the commencement of commercial operations at our Assai RNG facility, and other acquisitions made in late 2021 and 2022.

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Costs of sales increased by $70.1 million and $169.1 million for the three and nine months ended September 30, 2022, respectively, as compared to $13.2 million and $19.7 million for the three and nine months ended September 30, 2021, respectively, primarily due to the acquisition of Aria resulting in increases of $38.5 million and $108.5 million for the three and nine months ended September 30, 2022, respectively, the commencement of commercial operations at our Assai RNG facility, additional royalty and marketing expenses, and increased utility and gas costs.

Costs of sales on a combined basis increased for three and nine months ended September 30, 2022 as compared to the three and nine months ended September 30, 2021 primarily due to operational costs at our Assai RNG facility following the commencement of operations, higher utility and gas prices, and higher royalty and marketing expenses, as well as increased depreciation and amortization expense as a result of those operations and the step-up in value of the Aria assets due to purchase accounting.

General and Administrative Expenses

General and administrative expenses were $30.5 million and $75.7 million for the three and nine months ended September 30, 2022, respectively, an increase of $18.6 million and $52.8 million compared to the three and nine months ended September 30, 2021, respectively. The increase is primarily due to higher employee costs, including share-based compensation expenses, associated with higher headcount and contractors and consultants costs as our business has expanded and we became a public company. Additionally, expenses for the three months ended September 30, 2022 include $10.7 million for non-recurring legal and professional fees and other non-recurring costs primarily associated with the Merger, the formation of the Lightning JV and the acquisition of INGENCO, and expenses for the nine months ended September 30, 2022 include $9.5 million in severance related costs, including accelerated share-based compensation expense, and $17.0 million related to non-recurring legal and professional fees associated with the executive transition, the Ares Secondary Offering, the Merger, the formation of the Lightning JV, and the acquisition of INGENCO. As part of the Merger, the Company expects to incur material non-recurring expenses, including banker fees and legal fees.

Other Income (Expense)

Other expense was $18.3 million and $6.3 million for the three and nine months ended September 30, 2022, respectively, as compared to other expense of $11.9 million and $11.6 million for the three and nine months ended September 30, 2021, respectively, primarily due to the warrant liabilities increase in fair value resulting in loss of $10.7 million for the three months ended September 30, 2022 and a net decrease in fair value resulting in a net gain of $2.3 million for the nine months ended September 30, 2022, compared with a $10.5 million loss due to the increase in fair value during both the three and nine months ended September 30, 2021, and due to the interest rate swap gains in fair value of $2.8 million and $7.4 million for the three and nine months ended September 30, 2022, respectively. In addition, interest expense increased by $9.0 million and $15.3 million for the three and nine months ended September 30, 2022, respectively, primarily due to increased borrowings.

Liquidity and Capital Resources

Sources and Uses of Funds

The Company’s primary uses of cash have been to fund construction of RNG facilities and acquisitions of complementary businesses and assets and LFG rights. The Company is expected to primarily finance its project development activities with cash on hand, cash expected to be generated from operations and available funding under the Revolver. The amount and timing of the future funding requirements will depend on many factors, including the pace and results of our acquisitions and project development efforts. As discussed in “Recent Events,” the Company has significantly expanded and accelerated the pace of developing its project backlog. The Company is in the process of optimizing the pace and timing of its long-term project development backlog as a result of recent additions to its backlog related to the Lightning JV and the acquisition of INGENCO.

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During the three months ended September 30, 2022, we borrowed a total of $345.0 million under the Revolver to provide funding for acquisitions, ongoing operations and capital expenditures and funding of the Lightning JV. As of September 30, 2022, we had the cash balance described in the paragraph below and approximately $921.5 million of outstanding indebtedness, including $397.5 million of outstanding borrowings under the Term Loan and $129.0 million outstanding on our Assai Notes (as defined below). We also had $278.9 million of available borrowing capacity under the Revolver as of September 30, 2022. We expect the Revolver along with the Company’s other existing sources of liquidity will be sufficient to fund the Company’s development capital needs for the foreseeable future, including capital expenditures related to the Lightning JV, projects related to INGENCO, and core development projects, thereby eliminating the need for additional external capital in the near-term based on the Company’s current development plans and backlog.

On October 16, 2022, we entered into the Merger Agreement, pursuant to which, among other things, we have agreed to various covenants and agreements, including, among others, agreements to conduct our business in the ordinary course during the period between the execution of the Merger Agreement and the Effective Time. Outside of certain limited exceptions, we may not take, authorize, commit, resolve, or agree to do certain actions without Parent’s consent, including acquiring businesses and disposing of significant assets and incurring expenditures above specified thresholds. We do not believe these restrictions will prevent us from meeting our ongoing costs of operations, working capital needs, or capital expenditure requirements.

Cash

As of September 30, 2022, the Company had $299.5 million of unrestricted cash and cash equivalent including cash of $191.4 million of the Lightning JV VIE, which is expected to provide ample liquidity to fund our current operations, the Lightning JV current operations, and a portion of our near-term development projects. As of September 30, 2022, we also had $19.2 million of restricted cash primarily for permitted payments and required reserves related to the Assai RNG facility, including future principal and interest payments for the Assai Notes. During the nine months ended September 30, 2022, the Company received a total of $22.9 million in distributions from restricted cash.

Term Loan and Revolver

On June 30, 2022, the Company amended its Revolving Credit and Term Loan Agreement which included a Revolver with an initial commitment of $250 million and a Term Loan with an initial commitment of $220 million. The amendment, among other things, increased the aggregate total commitment from the original syndicate of lenders plus two additional lenders by approximately $630 million to a total of $1.1 billion and provides for a $400 million Term Loan and a $700 million Revolver. In addition, on June 1, 2022, the benchmark interest rate was revised to SOFR plus 2.75% for the Revolver and SOFR plus 3.25% for the Term Loan. The maturity date of the Revolver and Term Loan remains unchanged at September 15, 2026.

As of September 30, 2022, the Company had outstanding borrowings under the Term Loan of $397.5 million at an effective interest rate of 5.88% and had outstanding borrowings under the Revolver of $395.0 million at an effective interest rate of 5.46%. As of September 30, 2022, the Company had issued letters of credit under the Credit Facilities of $26.1 million, and thus reducing the borrowing capacity of the Revolver to $278.9 million. Under the Company’s 2022 capital expenditure budget, we expect to utilize a portion of available capacity under the Revolver to fund our near-term development projects.

See “Note 10 - Debt” in this Report for additional information on the Revolver and the Term Loan.

Assai Energy 3.75% and 4.47% Senior Secured Notes

On January 15, 2021, Assai entered into a senior secured note purchase agreement with certain investors for the purchase of $72.5 million in principal amount of 3.75% Senior Secured Notes (the “3.75% Notes”). Interest on the 3.75% Notes is payable quarterly in arrears on each payment date and the 3.75% Notes mature on September 30, 2031. On April 5, 2021, Assai entered into an additional senior secured note purchase agreement with certain investors for the purchase of $60.8 million in principal amount of its 4.47% Senior Secured Notes (the “4.47% Notes” and, together with the 3.75% Notes, the “Assai Notes”). Interest is payable quarterly in arrears on each payment date, and the 4.47% Notes mature on September 30, 2041.

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Summarized Cash Flows for the Nine Months Ended September 30, 2022 and 2021:

	Nine Months Ended September 30,
(in thousands)	2022		2021
Cash provided by (used in) operating activities	$	77,157	$	(54,710)
Cash used in investing activities	$	(499,889)	$	(587,372)
Cash provided by financing activities	$	648,358	$	811,386
Net increase in cash, cash equivalents and restricted cash	$	225,626	$	169,304

Cash Provided by (Used in) Operating Activities

The Company generates cash from revenues and uses cash in its operating activities and for general and administrative expenses.

Total cash provided by operating activities increased by $131.9 million for the nine months ended September 30, 2022, which was primarily related to higher revenues, offset in part by higher cost of energy associated with the increased level of operations and higher general and administrative expenses due to increases in employee costs as we continue to build our business. Changes in other working capital accounts were approximately $42.5 million and related to the timing of revenue receipts and increases in accounts payable and accrued liability balances.

Cash Used in Investing Activities

We continue to have significant cash outflows for investing activities as we expand our business, make acquisitions, and develop projects. Total cash used in investing activities was $499.9 million for the nine months ended September 30, 2022. We spent $225.9 million on development activities and $274.6 million, net of cash acquired, primarily related to the acquisition of INGENCO, Ft. Wayne and other landfill gas right assets. Development activities in the nine months ended September 30, 2022 are related to supply chain purchases, deposits on long-lead items, and construction and optimization at our various plants, including additional costs at Assai. We also made contributions to equity method investments totaling $10.8 million and received return of investment in equity method investments of $9.5 million.

Cash used in investing activities of $587.4 million for the nine months ended September 30, 2021 was primarily attributable to $463.3 million related to the acquisition of Aria, $31.5 million related to acquisition of PEI Power LLC, and approximately $88.4 million acquiring biogas rights and construction at the Assai and Boyd County production facilities.

Cash Provided by Financing Activities

Cash provided by financing activities for the nine months ended September 30, 2022 is primarily attributable to additional funding under the Term Loan and Revolver of $573.8 million, net of issuance costs, and cash contributions from the Lightning JV noncontrolling interest owner of $88.5 million, offset by scheduled repayments of long-term debt of $9.6 million.

Cash provided by financing activities of $811.4 million for the nine months ended September 30, 2021 was comprised primarily of proceeds from the Business Combinations, including the PIPE Financing and proceeds from the RAC trust account, and borrowings from long-term debt under the Assai Notes and borrowings under the Company’s line of credit agreement, offset by certain debt repayments.

Material Cash Requirements

The Company has various long-term contractual commitments pertaining to certain of its biogas rights agreements that include annual minimum royalty and landfill gas rights payments. Annual minimum royalty and landfill gas rights payments generally begin when production commences and continue through the period of operations. As of September 30, 2022, the expected annual minimum royalty and landfill gas rights payments are approximately $8.5 million, and the annual commitment will increase as production commences from new facilities under development with biogas rights

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agreements that include minimum payment terms.

The Company has purchase commitments related to construction services and equipment purchases for the development and upgrade of facilities of $364.5 million as of September 30, 2022, with expected cash payments of $51.7 million in the remainder of 2022 and $312.8 million in 2023 and beyond.

On May 5, 2022, the Company and Republic announced the formation of the Lightning JV. The Company and Republic have agreed to contribute to the Lightning JV approximately $780 million and $300 million, respectively, over approximately five to six years. On July 5, 2022, the Company made its initial capital contribution of $222.5 million. Contributions to the Lightning JV are subject to annual budget approval by the Lightning JV’s board of directors and are further subject to adjustment based on actual amounts spent by the Lightning JV through the completion of development of RNG projects. The Company’s required 2023 capital contribution of $174.3 million, subject to adjustment as discussed above, is payable on or before January 31, 2023.

Critical Accounting Policies and Estimates

The preparation of the Company’s financial statements in accordance with GAAP requires us to make estimates and judgments that affect the reported amount of assets, liabilities, revenues and expenses and related disclosure of contingent assets and liabilities. The estimates and assumptions used in our financial statements are based upon management’s evaluation of the relevant facts and circumstances as of the date of the financial statements. We evaluate our estimates on an ongoing basis. Because these estimates can vary depending on the situation, actual results may differ from the estimates and assumptions used in preparing the financial statements.

The Company considers critical accounting estimates to be those that involve a significant level of estimation uncertainty and have had or are reasonably likely to have a material impact on the Company’s financial condition or results of operations. See “Significant Accounting Policies - Critical Accounting Policies and Estimates” included within “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in Part II, Item 7 of the 2021 Annual Report for a discussion of our critical accounting estimates; there have been no material changes to the Company’s critical accounting estimates as disclosed therein.

Recent Accounting Pronouncements

For a description of the Company’s recently adopted accounting pronouncements and recently issued accounting standards not yet adopted, see “Note 3 - Recently Issued and Adopted Accounting Standards” in this Report.

Inflation

The Company does not believe that inflation had a material impact on our business, revenues or operating results during the periods presented. If inflationary trends continue, our business and operating results could be adversely affected.

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

As a smaller reporting company, we are not required to provide the information required by this Item. However, we note that we are exposed to market risks in the ordinary course of our business. Market risk is the potential loss that may result from market changes associated with our power generation or with an existing or forecasted financial or commodity transaction. These risks primarily consist of commodity price risk, specifically electricity and RNG, counterparty credit risk and interest rate risk. See “Quantitative and Qualitative Disclosures About Market Risk” in Part II, Item 7A in the 2021 Annual Report on Form 10-K for more information. Our exposure to market risk has not materially changed since December 31, 2021.

ITEM 4. CONTROLS AND PROCEDURES

Management’s Evaluation of Disclosure Controls and Procedures

Under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, we evaluated the effectiveness of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act) as of September 30, 2022. Based upon that evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures were not effective as of the end of the

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period covered by this Report based on the material weakness in our internal control over financial reporting described below.

Previously Reported Material Weakness

The material weakness resulted from an ineffective risk assessment process, which led to improperly designed controls over the Company’s financial statement close process. A material weakness is a deficiency, or a combination of deficiencies, in internal control over financial reporting, such that there is a reasonable possibility that a material misstatement of the Company’s annual or interim financial statements will not be prevented or detected on a timely basis. Management concluded that this deficiency in internal control over financial reporting related to an inadequate understanding of the impact of consolidation entries by certain individuals. This failure led to a duplicate entry that constituted a material weakness as defined in the SEC regulations. This material weakness resulted in the misstatement of general and administrative expenses and accounts payable - trade and in the restatement of the unaudited consolidated financial statements for the interim period ended September 30, 2021.

We performed additional analysis and procedures with respect to accounts impacted by the material weakness in order to conclude that our consolidated financial statements in this Report, and for the three and nine months ended September 30, 2022 and 2021, are fairly presented, in all material respects, in accordance with GAAP.

Under “Changes to Internal Controls” below, we describe our remediation plan to address the identified material weakness.

Changes to Internal Controls

The design and implementation of internal controls over financial reporting for the Company’s post-Business Combinations has required and will continue to require significant time and resources from management and other personnel. The changes to our internal control over financial reporting commenced during the period covered by this Report and after will materially affect, or are reasonably likely to materially affect, our internal control over financial reporting by establishing new controls and procedures appropriate to the operating business we have become as a result of the Business Combinations.

The Company is remediating the previously reported material weakness by enhancing training of our staff, following stricter journal entry approval workflows, and requiring certain account reconciliations to be completed and approved prior to the issuance of financial statements. In addition, the Company will improve its analytical review procedures and perform such procedures and related variance explanations at a more detailed level.

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PART II. OTHER INFORMATION

ITEM 1. LEGAL PROCEEDINGS

From time to time, the Company is party to certain legal actions and claims arising in the ordinary course of business. While the outcome of these events cannot be predicted with certainty, management does not currently expect these matters to have a materially adverse effect on the financial position or results of operations of the Company.

ITEM 1A. RISK FACTORS

Other than the risk factors set forth below, there have been no material changes or updates to our risk factors that were previously disclosed in “Risk Factors” in Part I, Item 1A of the 2021 Annual Report.

The Merger, the pendency of the Merger or our failure to complete the Merger could have a material adverse effect on our business, results of operations, financial condition and stock price.

On October 16, 2022, the Company and Opco entered into the Merger Agreement with Parent, Merger Sub, and Opco Merger Sub. Pursuant to the Merger Agreement, Merger Sub will be merged with and into the Company with the Company continuing as the surviving corporation and a wholly owned subsidiary of Parent, and Opco Merger Sub will be merged with and into Opco with Opco continuing as the surviving company and a wholly owned subsidiary of Parent The transaction is subject to customary closing conditions, including (i) the adoption of the Merger Agreement by the holders of a majority of the outstanding shares of the Common Stock, (ii) the expiration or termination of any applicable waiting periods under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, (iii) approvals and clearances by FERC and (iv) other customary conditions for a transaction of this type, such as the absence of any legal restraint prohibiting the consummation of the Merger and the absence of any Company Material Adverse Effect (as defined in the Merger Agreement). There is no assurance that all of the various conditions will be satisfied, or that the Merger will be completed on the proposed terms, within the expected timeframe, or at all. Furthermore, there are additional inherent risks in the Merger, including the risks detailed below.

During the period prior to the closing of the Merger, our business is exposed to certain inherent risks due to the effect of the announcement or pendency of the Merger on our business relationships, financial condition, operating results and business, including:

•the possibility of disruption to our business and operations, including diversion of management attention and resources;

•the inability to attract and retain key personnel, and the possibility that our current employees could be distracted, and their productivity decline as a result, due to uncertainty regarding the Merger;

•the inability to pursue alternative business opportunities or make changes to our business pending the completion of the Merger, and other restrictions on our ability to conduct our business;

•the amount of the costs, fees, expenses and charges related to the Merger Agreement and the Merger; and

•other developments beyond our control.

The Merger may be delayed, and may ultimately not be completed, due to a number of factors, including:

•the failure to obtain the approval of the Merger Agreement by our stockholders;

•the failure to obtain regulatory approvals from various governmental entities (or the imposition of any conditions, limitations or restrictions on such approvals);

•potential future stockholder litigation and other legal and regulatory proceedings, which could delay or prevent the Merger;

•the failure to satisfy the other conditions to the completion of the Merger, including the possibility that a material adverse effect on our business would permit Parent not to close the Merger; and

•changes in domestic or global economic conditions that may affect the timing or success of the Merger.

If the Merger does not close, our business and stockholders would be exposed to additional risks, including:

•to the extent that the current market price of the Class A Common Stock reflects an assumption that the Merger will be completed, the price of the Class A Common Stock could decrease if the Merger is not completed;

•investor confidence could decline, stockholder litigation could be brought against us, relationships with existing and prospective business partners may be adversely impacted, we may be unable to retain key personnel, and profitability may be adversely impacted due to costs incurred in connection with the pending Merger; and

55

•the requirement that we pay a termination fee if the Merger Agreement is terminated in certain circumstances, including by the Company to enter into a superior proposal or by Parent because the Company’s board of directors withdraws its recommendation in favor of the Merger.

Even if successfully completed, there are certain risks to our stockholders from the Merger, including:

•the amount of cash to be paid under the Merger Agreement is fixed and will not be adjusted for changes in our business, assets, liabilities, prospects, outlook, financial condition or operating results or in the event of any change in the market price of, analyst estimates of, or projections relating to, the Class A Common Stock;

•the fact that receipt of the all-cash per share merger consideration under the Merger Agreement is taxable to stockholders that are treated as U.S. holders for U.S. federal income tax purposes; and

•the fact that, if the Merger is completed, our stockholders will forego the opportunity to realize the potential long-term value of the successful execution of our current strategy as an independent company.

A key component of our growth strategy is expanding our backlog of high-quality development projects, including through acquisitions, joint ventures and other strategic transactions, which present certain risks and uncertainties. We have limited operating experience at our current scale of operations and have plans to implement significant future growth, including through the INGENCO acquisition and the Lightning JV, which are expected to significantly expand our growth trajectory and our capital requirements in the near term and longer term. If we are unable to manage or finance our growth effectively, our financial performance may suffer.

In July 2022, we acquired INGENCO, and in May 2022, we and Republic formed the Lightning JV. We expect to continue considering acquisitions and other strategic transactions in the future and expect that such transactions will continue to be a key component of our near-term growth strategy. Some of our projections and expectations and, in part, our success are based on our ability to complete and integrate such transactions and recognize the anticipated financial, strategic and operational benefits thereof.

Pending, recent or future acquisitions, joint ventures and other strategic transactions may negatively impact our business, financial condition, results of operations, cash flows and prospects because (i) we may have difficulty managing our growth; (ii) we may assume liabilities of an acquired business (e.g., environmental, litigation or tax), including liabilities that were unknown at the time of the acquisition, that pose future risks to our working capital needs, cash flows and profitability, and we may be subject to risks beyond our estimates or what was disclosed to us; (iii) such acquisitions and transactions could divert management’s attention and other resources from our existing business; and (iv) substantial transaction costs to complete such acquisitions and transactions may be incurred and such costs may exceed the estimated financial and operational benefits. Further, the businesses or assets that we acquire, or our joint ventures or other strategic transactions, may not achieve anticipated revenue, production, earnings or cash flows, and we may be unable to fully realize all of the anticipated benefits and synergies from recent, pending and future strategic transactions. See “Risk Factors—Risks Related to the Business and Industry of the Company—Acquiring existing projects involves numerous risks.” in Part I, Item 1A in the 2021 Annual Report for additional risks relating to acquisitions.

In addition, such acquisitions and transactions may require increases in working capital and capital expenditure investments to fund their growth, and to facilitate or fund such acquisitions and transactions, we may incur or assume substantial additional indebtedness or issue equity securities. In July 2022, the Company paid $230.5 million for the acquisition of INGENCO and made an initial capital contribution of $222.5 million to the Lightning JV, both of which were funded with borrowings under the Credit Facilities. The development of the projects in accordance with the terms of the Lightning JV agreement will require significant additional capital, with the Lightning JV requiring cash capital contributions from us of approximately $780 million over approximately five to six years (including the initial capital contribution of $222.5 million which was funded in July 2022). We may fund certain incremental development costs associated with the Lightning JV and INGENCO RNG development projects through one or more capital markets transactions or private financing transactions. However, such financing may not be available in amounts or on terms acceptable to us, if at all. If we are unable to obtain financing needed for future acquisitions or other strategic transactions, we may not be able to consummate such transactions and may be required to delay, reduce the scope of, or eliminate such activities or growth initiatives. In addition, if either member of the Lightning JV fails to make its annual capital contribution to the Lightning JV on a timely basis, the other member may elect to loan such amount and may also elect to treat such loan as a capital contribution to the Lightning JV in an amount equal to twice the amount loaned, thereby decreasing the failing member’s membership interest in the Lightning JV.

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The Lightning JV is a joint venture and our investment could be adversely affected by our lack of sole decision-making authority and restrictions on transfer relating to the Lightning JV. The Lightning JV may also impair our operating flexibility and subject us to risks not present in investments that do not involve co-ownership.

Although we have the right to appoint three of the five persons to serve on the board of directors of the Lightning JV, the limited liability company agreement of the Lightning JV (the “Lightning JV LLC Agreement”) contains certain protective provisions requiring the approval of a supermajority vote of at least 80% of the directors to take certain actions, including, among other items, the incurrence of debt by the Lightning JV, amending the terms of the Lightning JV LLC Agreement, and approving or amending the annual budget of the Lightning JV. In addition, certain fundamental decisions involving the Lightning JV, such as approving any liquidation, dissolution, windup, commencement of bankruptcy or insolvency proceedings, sale, merger or disposition of all of the assets of the Lightning JV, initial public offering or application for listing on a stock exchange of the Lightning JV, require a vote of at least 90% of the directors. Thus, our investment in the Lightning JV involves risks that are not present when we are able to exercise sole control over an asset, including certain major decisions requiring supermajority decision-making beyond our sole control and are subject to agreement with Republic. Differences in views between us and Republic may result in delayed decisions or failures to agree on major matters, such as large expenditures or the construction or acquisition of assets, and delayed decisions and disagreements could adversely affect the business and operations of the Lightning JV, and, in turn, our business, operations and financial results.

In addition, the members of the Lightning JV are subject to transfer restrictions with respect to their membership interests in the Lightning JV, including consent rights of the other member of the Lightning JV and a right of first offer for the other (non-transferring) member, which may make it more difficult to sell such interests in the future. In addition, Republic has a right of first refusal with respect to sales of certain assets from the Lightning JV. The terms of the Lightning JV also allow Republic to require us to take certain actions in the event we undergo certain changes of control, which could result in the termination of certain contractual agreements with Archaea Operating LLC or could result in us being forced to sell all of our membership interests in the Lightning JV to Republic at fair market value or at an otherwise specified value in the Lightning JV LLC Agreement or spin off the entity through which we participate in the Lightning JV.

Moreover, the Lightning JV, like joint ventures generally, could impair our operating flexibility and subject us to risks not present in investments that do not involve co-ownership. The Lightning JV LLC Agreement allows Republic, in certain circumstances, to terminate its master landfill gas development agreement with the Lightning JV, which, among other things, governs the grant by Republic of landfill gas and real property rights at its landfills to the Lightning JV. The Lightning JV LLC Agreement also allows Republic to terminate an individual LFG project of the Lightning JV in certain circumstances, including the failure of the LFG project to complete project milestones or commence commercial operations within the agreed-upon timeframe or satisfy certain other commercial obligations. We may also be liable for liquidated damages under the master engineering, procurement and construction agreement between the Lightning JV and Archaea Operating LLC for failure to meet specified commercial operations dates or operating metrics. Furthermore, the Lightning JV may establish separate financing arrangements that contain restrictive covenants that may limit or restrict the entity’s ability to make cash distributions to the members of the Lightning JV under certain circumstances. Additionally, from time to time, the Lightning JV may be involved in disputes or legal proceedings which may negatively affect the Lightning JV or our investment. See “Risk Factors—Risks Related to the Business and Industry of the Company—We currently own, and in the future may acquire, certain assets through joint ventures. As operating partner for some of our joint venture projects, we are exposed to counterparty credit risk, and as non-operating partner for other joint venture projects, we have limited control over management decisions and our interests in such assets may be subject to transfer or other related restrictions.” in Part I, Item 1A in the 2021 Annual Report for additional risks associated with joint ventures.

Effective December 31, 2022, unless the Merger is completed prior to such date, we will be a large accelerated filer and no longer qualify as a smaller reporting company or emerging growth company, which will increase our costs and demands on management.

Based on the Company's aggregate worldwide market value of voting and non-voting common equity held by non-affiliates as of June 30, 2022, the Company will become a “large accelerated filer” and lose smaller reporting company and emerging growth company status on December 31, 2022 (unless the Merger is completed prior to such date). Due to this upcoming transition (unless the Merger is completed prior to December 31, 2022), we are devoting significant time and efforts to implement and comply with the additional standards, rules and regulations that will apply to us upon becoming a large accelerated filer and losing our smaller reporting company and emerging growth company status, diverting such time from the day-to-day conduct of our business operations. Compliance with the additional requirements of being a large accelerated filer will also increase our legal, accounting and financial compliance costs.

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As a smaller reporting company and an emerging growth company, we have availed ourselves of the exemption from the requirement that our independent registered public accounting firm attest to the effectiveness of our internal control over financial reporting under Section 404 of the Sarbanes-Oxley Act of 2002. However, we may no longer avail ourselves of this exemption when we become a large accelerated filer and our independent registered public accounting firm may issue a report that is adverse in the event it is not satisfied with the level at which our internal control over financial reporting is documented, designed, or operating. Due to the complexity and logistical difficulty of implementing the standards, rules and regulations that apply to non-emerging growth companies on an accelerated timeframe, there is an increased risk that we may be found to be in non-compliance with such standards, rules and regulations or to have significant deficiencies or material weaknesses in our internal controls over financial reporting. Any failure to maintain effective disclosure controls and internal control over financial reporting could materially and adversely affect our business, results of operations, and financial condition and could cause a decline in the trading price of our Class A Common Stock.

ITEM 2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

None.

ITEM 3. DEFAULTS UPON SENIOR SECURITIES

None.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

ITEM 5. OTHER INFORMATION

None.

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ITEM 6. EXHIBITS

The following is a list of exhibits filed as part of this Report.

Exhibit Number	Description
2.1+	Aria Merger Agreement (incorporated by reference to Exhibit 2.1 to the Company’s Current Report on Form 8-K, filed with the SEC on April 8, 2021).
2.2+	Amendment No. 1 to Business Combination Agreement, dated as of May 12, 2021, by and among the RAC Buyer, Aria and the Equityholder Representative (incorporated by reference to Exhibit 2.3 to the Company’s Quarterly Report on Form 10-Q, filed with the SEC on August 13, 2021).
2.3+	Amendment No. 2 to the Business Combination Agreement, dated as of June 11, 2021, by and among the RAC Buyer, Aria and the Equityholder Representative (incorporated by reference to Exhibit 2.4 to the Company’s Quarterly Report on Form 10-Q, filed with the SEC on August 13, 2021).
2.4+	Amendment No. 3 to the Business Combination Agreement, dated as of August 3, 2021, by and among the RAC Buyer, Aria and the Equityholder Representative (incorporated by reference to Exhibit 2.5 to the Company’s Quarterly Report on Form 10-Q, filed with the SEC on August 13, 2021).
2.5+	Archaea Merger Agreement (incorporated by reference to Exhibit 2.2 to the Company’s Current Report on Form 8-K, filed with the SEC on April 8, 2021).
2.6+	Amendment No. 1 to the Business Combination Agreement, dated as of May 12, 2021, by and among the RAC Buyer and Archaea Energy II, LLC (incorporated by reference to Exhibit 2.6 to the Company’s Quarterly Report on Form 10-Q, filed with the SEC on August 13, 2021).
2.7+	Agreement and Plan of Merger, dated as of October 16, 2022, by and among BP Products North America Inc., Condor RTM Inc., Condor RTM LLC, LFG Acquisition Holdings LLC and Archaea Energy Inc. (incorporated by reference to Exhibit 2.1 to the Company’s Current Report on Form 8-K, filed with the SEC on October 17, 2022).
3.1	Amended and Restated Certificate of Incorporation (incorporated by reference to Exhibit 3.1 to the Company’s Current Report on Form 8-K, filed with the SEC on September 21, 2021).
3.2	Certificate of Amendment to the Certificate of Incorporation (incorporated by reference to Exhibit 3.2 to the Company’s Current Report on Form 8-K, filed with the SEC on September 21, 2021).
3.3	Bylaws (incorporated by reference to Exhibit 3.3 to the Company’s Current Report on Form 8-K, filed with the SEC on September 21, 2021).
10.1#	Archaea Energy Inc. Executive Severance Plan (incorporated by reference to Exhibit 10.3 to the Company’s Current Report on Form 8-K, filed with the SEC on July 7, 2022).
10.2#	Form of Participation Agreement – Archaea Energy Inc. Executive Severance Plan (incorporated by reference to Exhibit 10.4 to the Company’s Current Report on Form 8-K, filed with the SEC on July 7, 2022).
31.1*	Certification of Principal Executive Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Certification of Principal Financial Officer Pursuant to Rules 13a-14(a) and 15d-14(a) under the Securities Exchange Act of 1934, as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1**	Certification of Principal Executive Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
32.2**	Certification of Principal Financial Officer Pursuant to 18 U.S.C. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS	Inline XBRL Instance Document.
101.SCH	Inline XBRL Taxonomy Extension Schema Document.
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document.
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document.
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document.
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document.
104	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).

__________________________________________

+    The Company agrees to furnish supplementally to the SEC a copy of any omitted schedule or exhibit upon the request of the SEC in accordance with Item 601(a)(5) of Regulation S-K.

#    Management contract or compensatory plan or arrangement.

*Filed herewith.

**    Furnished herewith.

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SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto authorized.

	ARCHAEA ENERGY INC.
Date: November 10, 2022	By:	/s/ Brian McCarthy
		Brian McCarthy
		Chief Financial Officer (Principal Financial Officer)

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EX-31.1

EXHIBIT 31.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER
PURSUANT TO EXCHANGE ACT RULE 13A-14(A)/RULE 15D-14(A)
AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Nicholas Stork, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of Archaea Energy Inc. (the “registrant”);

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect

the registrant’s ability to record, process, summarize and report financial information; and

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: November 10, 2022

/s/ Nicholas Stork        

Name:    Nicholas Stork

Title:    Chief Executive Officer

    (Principal Executive Officer)

EX-31.2

EXHIBIT 31.2

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER
PURSUANT TO EXCHANGE ACT RULE 13A-14(A)/RULE 15D-14(A)
AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Brian McCarthy, certify that:

1.I have reviewed this Quarterly Report on Form 10-Q of Archaea Energy Inc. (the “registrant”);

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a.Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b.Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c.Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d.Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a.All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect

the registrant’s ability to record, process, summarize and report financial information; and

b.Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: November 10, 2022

/s/ Brian McCarthy        

Name:    Brian McCarthy

Title:    Chief Financial Officer

    (Principal Financial Officer)

2

EX-32.1

EXHIBIT 32.1

CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER
PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

    Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, I, Nicholas Stork, the Chief Executive Officer of Archaea Energy Inc. (the “Company”), hereby certify that, to my knowledge:

1.the Quarterly Report on Form 10-Q for the period ended September 30, 2022 (the “Report”) of the Company fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2.the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: November 10, 2022

/s/ Nicholas Stork        

Name:    Nicholas Stork

Title:    Chief Executive Officer

    (Principal Executive Officer)

EX-32.2

EXHIBIT 32.2

CERTIFICATION OF PRINCIPAL FINANCIAL OFFICER
PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

    Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, I, Brian McCarthy, the Chief Financial Officer of Archaea Energy Inc. (the “Company”), hereby certify that, to my knowledge:

1.the Quarterly Report on Form 10-Q for the period ended September 30, 2022 (the “Report”) of the Company fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2.the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: November 10, 2022

/s/ Brian McCarthy        

Name:    Brian McCarthy

Title:    Chief Financial Officer

    (Principal Financial Officer)

XML

Cover Page - shares	9 Months Ended
	Sep. 30, 2022	Oct. 31, 2022
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2022
Document Transition Report	false
Entity File Number	001-39644
Entity Registrant Name	Archaea Energy Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	85-2867266
Entity Address, Address Line One	4444 Westheimer Road
Entity Address, Address Line Two	Suite G450
Entity Address, City or Town	Houston
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77027
City Area Code	346
Local Phone Number	708-8272
Title of 12(b) Security	Class A Common Stock, par value $0.0001 per share
Trading Symbol	LFG
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	false
Amendment Flag	false
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2022
Current Fiscal Year End Date	--12-31
Entity Central Index Key	0001823766
Class A Units
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		81,592,637
Class B Units
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		39,052,668

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current Assets
Cash and cash equivalents ($191,404 related to VIE)	$ 299,467	$ 77,860
Restricted cash	19,225	15,206
Accounts receivable, net ($40 related to VIE)	47,255	37,010
Inventory	19,084	9,164
Prepaid expenses and other current assets ($105 related to VIE)	34,956	21,225
Total Current Assets	419,987	160,465
Property, plant and equipment, net ($103,359 related to VIE)	596,112	350,583
Intangible assets, net ($217,117 related to VIE)	999,787	638,471
Goodwill	47,833	29,211
Equity method investments	260,111	262,738
Operating lease right-of-use assets	6,639	0
Other non-current assets	16,573	9,721
Total Assets	2,347,042	1,451,189
Current Liabilities
Accounts payable - trade ($21,186 related to VIE)	31,777	11,096
Current portion of long-term debt, net	24,120	11,378
Current portion of operating lease liabilities	1,239	0
Accrued and other current liabilities ($632 related to VIE)	93,694	46,279
Total Current Liabilities	150,830	68,753
Long-term debt, net	887,824	331,396
Derivative liabilities	53,349	67,424
Below-market contracts	132,626	142,630
Asset retirement obligations	9,656	4,677
Long-term operating lease liabilities	5,657	0
Other long-term liabilities	2,553	5,316
Liabilities	1,242,495	620,196
Commitments and Contingencies
Redeemable Noncontrolling Interests	703,339	993,301
Equity
Preferred stock, $0.0001 par value; 10,000,000 authorized; none issued and outstanding	0	0
Additional paid in capital	304,296	0
Accumulated deficit	(173,788)	(162,320)
Total Stockholders’ Equity	130,520	(162,308)
Nonredeemable noncontrolling interests	270,688	0
Total Equity	401,208	(162,308)
Total Liabilities, Redeemable Noncontrolling Interests and Equity	2,347,042	1,451,189
Class A Units
Equity
Common stock	8	7
Class B Units
Equity
Common stock	$ 4	$ 5

XML

Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Cash and cash equivalents	$ 299,467	$ 77,860
Accounts receivable, net	47,255	37,010
Prepaid expenses and other current assets	34,956	21,225
Property, plant and equipment, net	596,112	350,583
Intangible assets, net	999,787	638,471
Accounts payable - trade	31,777	11,096
Accrued and other current liabilities	$ 93,694	$ 46,279
Preferred stock, par value per share (in USD per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized (in shares)	10,000,000	10,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Class A Units
Common stock, par value per share (in USD per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	900,000,000	900,000,000
Common stock, shares issued (in shares)	81,592,637	65,122,200
Common stock, shares, outstanding (in shares)	81,592,637	65,122,200
Class B Units
Common stock, par value per share (in USD per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	190,000,000	190,000,000
Common stock, shares issued (in shares)	39,052,668	54,338,114
Common stock, shares, outstanding (in shares)	39,052,668	54,338,114
VIE
Cash and cash equivalents	$ 191,404
Accounts receivable, net	40
Prepaid expenses and other current assets	105
Property, plant and equipment, net	103,359
Intangible assets, net	217,117
Accounts payable - trade	21,186
Accrued and other current liabilities	$ 632

XML

Consolidated Statements of Operations - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenues and Other Income
Revenue		$ 102,271	$ 11,781	$ 230,850	$ 18,563
Amortization of intangibles and below-market contracts		2,722	205	8,259	205
Total revenues		104,993	11,986	239,109	18,768
Equity Investment Income, Net		2,945	879	7,067	879
Cost of Sales
Cost of energy		63,253	9,478	138,531	12,625
Cost of other revenues		3,109	615	7,049	2,976
Depreciation, amortization and accretion		16,972	3,142	43,191	4,077
Total Cost of Sales		83,334	13,235	188,771	19,678
General and administrative expenses		30,478	11,889	75,714	22,933
Operating Income (Loss)		(5,874)	(12,259)	(18,309)	(22,964)
Other Income (Expense)
Interest expense, net		(10,575)	(1,586)	(16,941)	(1,606)
Gain (loss) on warrants and derivative contracts		(7,605)	(10,413)	10,575	(10,413)
Other income (expense)		(124)	81	78	377
Total Other Income (Expense)		(18,304)	(11,918)	(6,288)	(11,642)
Income (Loss) Before Income Taxes		(24,178)	(24,177)	(24,597)	(34,606)
Income tax expense		57	0	186	0
Net income (loss)		(24,235)	(24,177)	(24,783)	(34,606)
Net income (loss) attributable to nonredeemable noncontrolling interests		(2,020)	(335)	(2,020)	(589)
Net income (loss) attributable to Legacy Archaea		0	(8,569)	0	(18,744)
Net income (loss) attributable to redeemable noncontrolling interests		(7,224)	$ (8,262)	(11,295)	$ (8,262)
Net Income (Loss) Attributable to Class A Common Stock		$ (17,011)		$ (13,488)
Net income (loss) per Class A Common Stock:
Net income (loss) – basic (in usd per share)	[1]	$ (0.18)	$ (0.13)	$ (0.15)	$ (0.13)
Net income (loss) – diluted (in usd per share)	[1]	$ (0.18)	$ (0.13)	$ (0.18)	$ (0.13)
Weighted average shares of Class A Common Stock outstanding:
Basic (in shares)	[1]	81,044,814	52,847,195	76,034,987	52,847,195
Diluted (in shares)	[1]	81,044,814	52,847,195	78,542,786	52,847,195
Class A Units
Other Income (Expense)
Net Income (Loss) Attributable to Class A Common Stock		$ (14,991)	$ (7,011)	$ (11,468)	$ (7,011)
Weighted average shares of Class A Common Stock outstanding:
Basic (in shares)		81,045,000	52,847,000	76,035,000	52,847,000
Diluted (in shares)		81,045,000	52,847,000	78,543,000	52,847,000
Energy revenue
Revenues and Other Income
Revenue		$ 98,377	$ 10,916	$ 222,528	$ 13,975
Other revenue
Revenues and Other Income
Revenue		$ 3,894	$ 865	$ 8,322	$ 4,588

[1] Class A Common Stock is outstanding beginning September 15, 2021 due to the reverse recapitalization transaction as described in “Note 4 - Business Combinations and Reverse Recapitalization.”

XML

Consolidated Statements of Operations - Predecessor - USD ($) $ in Thousands	2 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended
	Sep. 14, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 14, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenues and Other Income
Revenue		$ 102,271	$ 11,781		$ 230,850	$ 18,563
Amortization of intangibles and below-market contracts		2,722	205		8,259	205
Total revenues		104,993	11,986		239,109	18,768
Equity Investment Income, Net		2,945	879		7,067	879
Cost of Sales
Cost of energy		63,253	9,478		138,531	12,625
Cost of other revenues		3,109	615		7,049	2,976
Depreciation, amortization and accretion		16,972	3,142		43,191	4,077
Total Cost of Sales		83,334	13,235		188,771	19,678
General and administrative expenses		30,478	11,889		75,714	22,933
Operating Income (Loss)		(5,874)	(12,259)		(18,309)	(22,964)
Other Income (Expense)
Interest expense, net		(10,575)	(1,586)		(16,941)	(1,606)
Gain (loss) on warrants and derivative contracts		(7,605)	(10,413)		10,575	(10,413)
Other income (expense)		(124)	81		78	377
Total Other Income (Expense)		(18,304)	(11,918)		(6,288)	(11,642)
Net income (loss)	$ (8,848)	(24,235)	(24,177)	$ (19,278)	(24,783)	(34,606)
Energy revenue
Revenues and Other Income
Revenue		$ 98,377	$ 10,916		$ 222,528	$ 13,975
Aria Energy LLC
Revenues and Other Income
Revenue	35,773			120,282
Amortization of intangibles and below-market contracts	(785)			(2,693)
Total revenues	34,988			117,589
Equity Investment Income, Net	6,451			19,777
Cost of Sales
Cost of energy	15,175			56,291
Cost of other revenues	8			30
Depreciation, amortization and accretion	4,634			15,948
Total Cost of Sales	19,817			72,269
Gain on disposal of assets	0			(1,347)
General and administrative expenses	20,678			33,737
Operating Income (Loss)	944			32,707
Other Income (Expense)
Interest expense, net	(2,053)			(10,729)
Gain (loss) on warrants and derivative contracts	574			1,129
Gain on extinguishment of debt	0			61,411
Other income (expense)	1			2
Total Other Income (Expense)	(1,478)			51,813
Net income (loss)	(534)			84,520
Net income attributable to noncontrolling interest	0			289
Net Income (Loss) Attributable to Controlling Interest	(534)			84,231
Aria Energy LLC | Energy revenue
Revenues and Other Income
Revenue	35,765			120,250
Aria Energy LLC | Construction revenue
Revenues and Other Income
Revenue	$ 8			$ 32

XML

Consolidated Statement of Comprehensive Income - Predecessor - USD ($) $ in Thousands	2 Months Ended	8 Months Ended
	Sep. 14, 2021	Sep. 14, 2021
Net income (loss)	$ (8,848)	$ (19,278)
Aria Energy LLC
Net income (loss)	(534)	84,520
Other Comprehensive Income (Loss)
Net actuarial income	19	213
Other Comprehensive Income (Loss)	(515)	84,733
Comprehensive income attributable to noncontrolling interest	0	289
Comprehensive Income (Loss) Attributable to Controlling Interest	$ (515)	$ 84,444

XML

Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Class A Units	Redeemable Noncontrolling Interests	Members’ Equity	Members’ Accumulated Deficit	Common Stock Class A Units	Common Stock Class B Units	Additional Paid-in Capital	Additional Paid-in Capital Class A Units	Accumulated Deficit	Nonredeemable Noncontrolling Interests
Beginning balance at Dec. 31, 2020			$ 0
Increase (Decrease) in Temporary Equity [Roll Forward]
Reclassification to redeemable noncontrolling interest			408,762
Adjustment of redeemable noncontrolling interests to redemption amount			779,116
Ending balance at Sep. 30, 2021			1,179,616
Beginning balance at Dec. 31, 2020	$ 31,491			$ 34,930	$ (4,156)	$ 0	$ 0	$ 0		$ 0	$ 717
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	2,349			2,349
Net income (loss)		$ (7,011)
Net income (loss)	(34,606)
Members’ equity contributions	70			70
Reclassification in connection with reverse recapitalization				(37,349)	22,900		3	37,346		(22,900)
Net cash contribution from the reverse recapitalization and PIPE Financing, net of warrant liability	346,245					5	1	346,239
Issuance of Class B Common Stock in Aria Merger	394,910						2	394,908
Reclassification to redeemable noncontrolling interest	(408,762)							(431,662)		22,900
Adjustment of redeemable noncontrolling interests to redemption amount	(779,117)							(346,831)		(432,286)
Ending balance at Sep. 30, 2021	(439,159)			0	0	5	6	0		(439,297)	127
Beginning balance at Jun. 30, 2021			0
Increase (Decrease) in Temporary Equity [Roll Forward]
Reclassification to redeemable noncontrolling interest			408,762
Adjustment of redeemable noncontrolling interests to redemption amount			779,116
Ending balance at Sep. 30, 2021			1,179,616
Beginning balance at Jun. 30, 2021	21,309			35,178	(14,331)	0	0	0		0	462
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	2,171			2,171
Net income (loss)		(7,011)
Net income (loss)	(24,177)
Reclassification in connection with reverse recapitalization				(37,349)	22,900		3	37,346		(22,900)
Net cash contribution from the reverse recapitalization and PIPE Financing, net of warrant liability	346,245					5	1	346,239
Issuance of Class B Common Stock in Aria Merger	394,910						2	394,908
Reclassification to redeemable noncontrolling interest	(408,762)							(431,662)		22,900
Adjustment of redeemable noncontrolling interests to redemption amount	(779,117)							(346,831)		(432,286)
Ending balance at Sep. 30, 2021	(439,159)			0	0	5	6	0		(439,297)	127
Beginning balance at Dec. 31, 2021	993,301		993,301
Increase (Decrease) in Temporary Equity [Roll Forward]
Exchange of Class A Opco Units and Class B Common Stock for Class A Common Stock			(314,693)
Net income (loss) after Closing			(11,295)
Adjustment of redeemable noncontrolling interests to redemption amount			36,026
Ending balance at Sep. 30, 2022	703,339		703,339
Beginning balance at Dec. 31, 2021	(162,308)			0	0	7	5	0		(162,320)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Warrant exercises	11,836							11,836
Exchange of Class A Opco Units and Class B Common Stock for Class A Common Stock	314,693					1	(1)	314,693
Deferred tax impacts from exchange for Class A Common Stock transactions		780							$ 780
Share-based compensation expense	12,785							12,785
Shares withheld for taxes on net settled awards	(2,634)							(2,634)
Shares issued to vendor	2,862							2,862
Net income (loss)	(13,488)	(11,468)								(11,468)	(2,020)
Net income (loss)	(24,783)
Contributions from Lightning JV noncontrolling interest owner	272,708										272,708
Adjustment of redeemable noncontrolling interests to redemption amount	(36,026)							(36,026)
Ending balance at Sep. 30, 2022	401,208			0	0	8	4	304,296		(173,788)	270,688
Beginning balance at Jun. 30, 2022			606,608
Increase (Decrease) in Temporary Equity [Roll Forward]
Exchange of Class A Opco Units and Class B Common Stock for Class A Common Stock			3,134
Net income (loss) after Closing			(7,224)
Adjustment of redeemable noncontrolling interests to redemption amount			100,821
Ending balance at Sep. 30, 2022	703,339		$ 703,339
Beginning balance at Jun. 30, 2022	233,333			0	0	8	4	392,118		(158,797)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Warrant exercises	10,280							10,280
Exchange of Class A Opco Units and Class B Common Stock for Class A Common Stock	(3,134)							(3,134)
Share-based compensation expense	3,862							3,862
Shares withheld for taxes on net settled awards	(871)							(871)
Shares issued to vendor	2,862							2,862
Net income (loss)	(17,011)	$ (14,991)								(14,991)	(2,020)
Net income (loss)	(24,235)
Contributions from Lightning JV noncontrolling interest owner	(272,708)										(272,708)
Adjustment of redeemable noncontrolling interests to redemption amount	(100,821)							(100,821)
Ending balance at Sep. 30, 2022	$ 401,208			$ 0	$ 0	$ 8	$ 4	$ 304,296		$ (173,788)	$ 270,688

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Consolidated Statement of Cash Flows - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities
Net income (loss)		$ (24,783)	$ (34,606)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation, amortization and accretion expense		43,191	4,077
Amortization of debt issuance costs		2,444	627
Amortization of intangibles and below-market contracts		(3,262)	(6)
Bad debt expense		153	10
Return on investment in equity method investments		15,202	336
Equity in earnings of equity method investments		(7,067)	(879)
Total (gains) losses on derivatives, net		(10,575)	10,413
Net cash received (paid) in settlement of derivatives		6,543	0
Forgiveness of Paycheck Protection Loan		0	(201)
Share-based compensation expense		12,785	2,887
Changes in operating assets and liabilities:
Accounts receivable		(4,336)	(692)
Inventory		(2,441)	(270)
Prepaid expenses and other current assets		1,687	(22,315)
Accounts payable - trade		8,300	(1,207)
Accrued and other liabilities		39,964	(7,475)
Other non-current assets		(585)	(3,490)
Other long-term liabilities		(63)	(1,919)
Net cash provided by (used in) operating activities		77,157	(54,710)
Cash flows from investing activities
Acquisition of Aria, net of cash acquired		1,876	(463,334)
Acquisition of assets and businesses		(274,556)	(31,527)
Additions to property, plant and equipment and progress payments		(225,868)	(88,209)
Purchases of biogas rights		0	(202)
Contributions to equity method investments		(10,837)	(4,100)
Return of investment in equity method investments		9,496	0
Net cash used in investing activities		(499,889)	(587,372)
Cash flows from financing activities
Borrowings on line of credit agreement		0	12,478
Repayments on line of credit agreement		0	(12,478)
Proceeds from long-term debt, net of issuance costs		573,751	361,959
Repayments of long-term debt		(9,618)	(47,040)
Proceeds from reverse recapitalization and PIPE Financing		0	496,397
Contributions from Lightning JV noncontrolling interest owner		88,508	0
Payment of acquisition contingent consideration		(1,650)	0
Capital contributions		0	70
Taxes paid on net share settled stock-based compensation awards		(2,633)	0
Net cash provided by financing activities		648,358	811,386
Net change in cash, cash equivalents and restricted cash		225,626	169,304
Cash, cash equivalents and restricted cash - beginning of period		93,066	1,496
Cash, cash equivalents and restricted cash - end of period		318,692	170,800
Supplemental cash flow information
Cash paid for interest	[1]	11,480	1,869
Non-cash investing activities
Accruals of property, plant and equipment and biogas rights incurred but not paid		$ 31,491	$ 2,317

[1] Net of capitalized interest of $6.1 million and $7.2 million for the nine months ended September 30, 2022 and 2021, respectively.

XML

Consolidated Statement of Cash Flows (Parenthetical) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Statement of Cash Flows [Abstract]
Capitalized interest	$ 6.1	$ 7.2

XML

Consolidated Statement of Cashflows - Predecessor - USD ($) $ in Thousands		8 Months Ended	9 Months Ended
		Sep. 14, 2021	Sep. 30, 2021
Cash flows from operating activities
Net income (loss)		$ (19,278)	$ (34,606)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation, amortization and accretion expense			4,077
Amortization of debt issuance costs			627
Amortization of intangibles and below-market contracts			(500)
Return on investment in equity method investments			336
Total (gains) losses on derivatives, net			10,413
Changes in operating assets and liabilities:
Accounts receivable			(692)
Inventory			(270)
Prepaid expenses and other current assets			(22,315)
Other non-current assets			(3,490)
Accounts payable - trade			(1,207)
Accrued and other liabilities			(7,475)
Net cash provided by (used in) operating activities			(54,710)
Cash flows from investing activities
Additions to property, plant and equipment and progress payments			(88,209)
Net cash used in investing activities			(587,372)
Cash flows from financing activities
Payments on long-term debt			(47,040)
Net cash provided by financing activities			811,386
Net change in cash, cash equivalents and restricted cash			169,304
Cash, cash equivalents and restricted cash - beginning of period		1,496	1,496
Cash, cash equivalents and restricted cash - end of period			170,800
Supplemental cash flow information
Cash paid for interest	[1]		1,869
Aria Energy LLC
Cash flows from operating activities
Net income (loss)		84,520
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Depreciation, amortization and accretion expense		15,948
Gain on disposal of assets		(1,573)
Amortization of debt issuance costs		699
Amortization of intangibles and below-market contracts		859
Return on investment in equity method investments		19,518
Equity in earnings of equity method investments		(19,777)
Total (gains) losses on derivatives, net		(1,268)
Gain on extinguishment of debt		(61,411)
Net periodic benefit cost		106
Changes in operating assets and liabilities:
Accounts receivable		(4,728)
Inventory		(1,318)
Prepaid expenses and other current assets		(143)
Other non-current assets		(196)
Accounts payable - trade		478
Accrued and other liabilities		19,231
Net cash provided by (used in) operating activities		50,945
Cash flows from investing activities
Additions to property, plant and equipment and progress payments		(2,318)
Contributions to equity method investments		(8,430)
Net cash used in investing activities		(10,748)
Cash flows from financing activities
Payments on long-term debt		(49,551)
Net cash provided by financing activities		(49,551)
Net change in cash, cash equivalents and restricted cash		(9,354)
Cash, cash equivalents and restricted cash - beginning of period		14,257	$ 14,257
Cash, cash equivalents and restricted cash - end of period		4,903
Supplemental cash flow information
Cash paid for interest		5,940
Non-cash investing activities
Accruals of property and equipment incurred but not yet paid		$ 25

[1] Net of capitalized interest of $6.1 million and $7.2 million for the nine months ended September 30, 2022 and 2021, respectively.

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Organization and Description of Business

9 Months Ended

Sep. 30, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization and Description of Business

NOTE 1 - Organization and Description of Business

Archaea Energy Inc. (“Archaea” or the "Company"), a Delaware corporation (formerly named Rice Acquisition Corp.), is one of the largest RNG producers in the U.S., with an industry-leading RNG platform primarily focused on capturing and converting waste emissions from landfills and livestock farms into low-carbon RNG and electricity. As of September 30, 2022, Archaea owns, through wholly-owned entities or joint ventures, a diversified portfolio of 46 LFG recovery and processing facilities across 20 states, including 13 operated facilities that produce pipeline-quality RNG and 33 LFG to renewable electricity production facilities, including one non-operated facility and one facility that is not operational.

Archaea develops, designs, constructs, and operates RNG facilities. Archaea, through wholly-owned entities or joint ventures, has entered into long-term agreements with biogas site hosts which grant Archaea the rights to utilize gas produced at their sites and to construct and operate facilities on their sites to produce RNG and renewable electricity.

Merger Agreement

On October 16, 2022, the Company and Opco entered into an Agreement and Plan of Merger (the “Merger Agreement”) with BP Products North America Inc., a Maryland corporation (“Parent”), Condor RTM Inc., a Delaware corporation and a wholly owned subsidiary of Parent (“Merger Sub”), and Condor RTM LLC, a Delaware limited liability company and a wholly owned subsidiary of Parent (“Opco Merger Sub”). Pursuant to the Merger Agreement, Merger Sub will merge with and into the Company with the Company continuing as the surviving corporation and a wholly owned subsidiary of Parent (the “Company Merger”), and Opco Merger Sub will merge with and into Opco with Opco continuing as the surviving company and a wholly owned subsidiary of Parent (the “Opco Merger” and, together with the Company Merger, the “Merger”).

As a result of the Merger, (i) at the effective time of the Company Merger (the “Effective Time”), each share of Class A Common Stock outstanding immediately prior to the Effective Time (subject to certain exceptions, including shares of Class A Common Stock owned by stockholders of the Company who have not voted in favor of the adoption of the Merger Agreement and have properly exercised appraisal rights in accordance with Delaware law) will automatically be converted into the right to receive $26.00, without interest thereon (the “Per Share Price”) in cash, subject to applicable withholding taxes, and (ii) at the effective time of the Opco Merger (the “Opco Merger Effective Time”), each Class A Opco Unit outstanding immediately prior to the Opco Merger Effective Time that is held by a holder other than the Company or any of its subsidiaries will automatically be converted into the right to receive the Per Share Price in cash, subject to applicable withholding taxes. Also, at the Effective Time, each share of Class B Common Stock will be automatically cancelled and extinguished without any conversion thereof or consideration paid therefor.

Immediately following the Opco Merger Effective Time, each of the outstanding Private Placement Warrants will be redeemed for cash in accordance with the terms of the Warrant Agreement, as amended in connection with the Company’s entry into the Merger Agreement, which provides that immediately following the Opco Merger Effective Time, each Private Placement Warrant that is issued and outstanding immediately prior to the Effective Time will be automatically redeemed for the right to receive an amount, in cash, equal to (i) the Per Share Price minus (ii) the Warrant Price (as defined in the Warrant Agreement and which is currently $11.50) as reduced pursuant to the calculation provided in Section 4.4 of the Warrant Agreement, without interest.

The parties are targeting closing the Merger by the end of 2022, subject to customary closing conditions, including approval by the Company’s stockholders and receipt of regulatory approvals. Upon closing of the Merger, the Class A Common Stock will no longer be listed on any public market. See “Note 21 - Subsequent Events” for more information regarding the Merger.

The Business Combinations

On September 15, 2021, Archaea consummated the business combinations pursuant to (i) the Business Combination Agreement, dated April 7, 2021 (as amended, the “Aria Merger Agreement”), by and among Rice Acquisition Corp., a Delaware corporation (“RAC”), Rice Acquisition Holdings LLC, a Delaware limited liability company and direct subsidiary of RAC (“RAC Opco”), LFG Intermediate Co, LLC, a Delaware limited liability company and direct subsidiary of RAC Opco (“RAC Intermediate”), LFG Buyer Co, LLC, a Delaware limited liability company and direct subsidiary of RAC Intermediate (“RAC Buyer”), Inigo Merger Sub, LLC, a Delaware limited liability company and direct subsidiary of RAC Buyer (“Aria Merger Sub”), Aria Energy LLC, a Delaware limited liability company (“Aria”), and Aria Renewable Energy Systems LLC, a Delaware limited liability company, pursuant to which, among other things, Aria Merger Sub was merged with and into Aria, with Aria surviving the merger and becoming a direct subsidiary of RAC Buyer, on the terms and subject to the conditions set forth therein (the transactions contemplated by the Aria Merger Agreement, the “Aria Merger”), and (ii) the Business Combination Agreement, dated April 7, 2021 (as amended, the “Archaea Merger Agreement”), by and among RAC, RAC Opco, RAC Intermediate, RAC Buyer, Fezzik Merger Sub, LLC, a Delaware limited liability company and direct subsidiary of RAC Buyer (“Archaea Merger Sub”), Archaea Energy LLC, a Delaware limited liability company, and Archaea Energy II LLC, a Delaware limited liability company (“Legacy Archaea”), pursuant to which, among other things, Archaea Merger Sub was merged with and into Legacy Archaea, with Legacy Archaea surviving the merger and becoming a direct subsidiary of RAC Buyer, on the terms and subject to the conditions set forth therein (the transactions contemplated by the Archaea Merger Agreement, the “Archaea Merger” and, together with the Aria Merger, the “Business Combinations”). Legacy Archaea was determined to be the accounting acquirer of the Business Combinations, and Aria was determined to be the predecessor to the Company. Unless the context otherwise requires, the “Company,” “we,” “us,” and “our” refer, for periods prior to the completion of the Business Combinations, to Legacy Archaea and its subsidiaries and, for periods upon or after the completion of the Business Combinations, to Archaea Energy Inc. and its subsidiaries, including Legacy Archaea and Aria Energy LLC.

Archaea has retained its “up-C” structure, whereby (i) all of the equity interests in Aria and Legacy Archaea are held indirectly by Opco through RAC Buyer and RAC Intermediate, (ii) Archaea’s only assets are its equity interests in Opco, and (iii) Sponsor, Atlas, the RAC independent directors, the Legacy Archaea Holders and the Aria Holders own or owned economic interests directly in Opco. In connection with the consummation of the Business Combinations, Rice Acquisition Holdings LLC was renamed LFG Acquisition Holdings LLC. In accordance with Accounting Standards Codification (“ASC”) 810 - Consolidation, Opco is considered a VIE with Archaea as its sole managing member and primary beneficiary. As such, Archaea consolidates Opco, and the remaining unitholders that hold economic interests directly in Opco are presented as redeemable noncontrolling interests on the Company’s financial statements.

Subsequent to the Business Combinations, transactions impacting the ownership of Class A Opco Units include warrant exercises, repurchases from Aria Renewable Energy Systems LLC, redemption of certain other Class A Opco Units in exchange for Class A Common Stock, and issuances related to vested restricted stock units (“RSUs”). The ownership structure of Opco upon closing of the Business Combinations and as of September 30, 2022, which gives rise to the redeemable noncontrolling interest at Archaea, is as follows:

	September 30, 2022			September 15, 2021
Equity Holder	Class A Opco Units	% Interest		Class A Opco Units	% Interest
Archaea	81,592,637	67.6	%	52,847,195	45.9	%
Total controlling interests	81,592,637	67.6	%	52,847,195	45.9	%
Aria Holders	—	—	%	23,000,000	20.0	%
Legacy Archaea Holders	33,350,385	27.6	%	33,350,385	29.0	%
Sponsor, Atlas and RAC independent directors	5,702,283	4.7	%	5,931,350	5.2	%
Total redeemable noncontrolling interests	39,052,668	32.4	%	62,281,735	54.1	%
Total	120,645,305	100.0	%	115,128,930	100.0	%

Holders of Class A Opco Units other than Archaea have the right (a “redemption right”), subject to certain limitations, to redeem Class A Opco Units and a corresponding number of shares of Class B Common Stock for, at Opco’s option, (i) shares of Class A Common Stock on a one-for-one basis, subject to adjustment for stock splits, stock dividends, reorganizations, recapitalizations and the like, or (ii) a corresponding amount of cash.

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Basis of Presentation and Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2022

Accounting Policies [Abstract]

Basis of Presentation and Summary of Significant Accounting Policies

NOTE 2 - Basis of Presentation and Summary of Significant Accounting Policies

Basis of Presentation

These unaudited, interim, consolidated financial statements and notes are prepared in accordance with GAAP for interim reporting and in accordance with the rules and regulations of the SEC. These unaudited interim financial statements reflect all adjustments that are, in the opinion of management, necessary to present fairly the results for the interim periods presented. The Company’s accounting policies conform to GAAP and have been consistently applied in the presentation of financial statements. The Company’s consolidated financial statements include all wholly-owned subsidiaries and all VIEs with respect to which the Company determined it is the primary beneficiary. Certain information and disclosures normally included in annual financial statements prepared in accordance with GAAP have been condensed or omitted. Accordingly, these unaudited consolidated financial statements should be read in conjunction with the Company’s audited financial statements included in the 2021 Annual Report.

The Archaea Merger with RAC was accounted for as a reverse recapitalization with Legacy Archaea deemed the accounting acquirer, and therefore, there was no step-up to fair value of any RAC assets or liabilities and no goodwill or other intangible assets were recorded. The Aria Merger was accounted for using the acquisition method of accounting with Aria deemed to be the acquiree for accounting purposes. The Company also determined that Aria is the Company’s predecessor and therefore has included the historical financial statements of Aria as predecessor beginning on page 36.

Principles of Consolidation

As the Company completed its Business Combinations on September 15, 2021, these unaudited consolidated financial statements for the three and nine months ended September 30, 2022 and as of December 31, 2021 include the assets, liabilities and results of operations of the combined results of the businesses of Legacy Archaea and Aria as operated by the Company after the Business Combinations; whereas, the unaudited results of operations prior to the September 15, 2021 reverse recapitalization are those of Legacy Archaea, the accounting acquirer.

The Company has determined that Opco is a VIE and the Company is the primary beneficiary. Therefore, the Company consolidates Opco, and ownership interests of Opco not owned by the Company are reflected as redeemable noncontrolling interests due to certain features of the redemption right. See “Note 15 - Redeemable and Nonredeemable Noncontrolling Interest and Stockholders’ Equity.” Entities that are majority-owned by Opco are consolidated. Certain investments in entities are accounted for as equity method investments and included separately in the Company’s consolidated balance sheets.

The Company has determined that the Lightning JV is a VIE and the Company is the primary beneficiary; therefore, the Company consolidates the Lightning JV. The ownership interests of the Lightning JV not owned by the Company are reflected as nonredeemable noncontrolling interests. See “Note 4 - Business Combinations and Reverse Recapitalization.”

All intercompany balances and transactions have been eliminated.

Use of Estimates

The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses, as well as contingent assets and liabilities. The estimates and assumptions used in the accompanying financial statements are based upon management’s evaluation of the relevant facts and circumstances as of the date of the financial statements. Actual results may differ from the estimates and assumptions used in preparing the accompanying consolidated financial statements.

Revenue Recognition

The Company generates revenues from the production and sales of RNG, Power, and associated Environmental Attributes, as well as from the performance of other landfill energy operations and maintenance (“O&M”) services and construction management (“EPC”) services. The Company also manufactures and sells customized pollution control equipment and performs associated maintenance agreement services. Prior to the January 1, 2022 adoption of ASC 842 - Leases as discussed in “Note 3 - Recently Issued and Adopted Accounting Standards,” a portion of the Company’s revenue was accounted for under ASC 840 - Leases and a portion under ASC 606 - Revenue from Contracts with Customers based on requirements of GAAP. Under ASC 840, lease revenue is recognized generally upon delivery of RNG and electricity. Under ASC 606, revenue is recognized when (or as) the Company satisfies its performance obligation(s) under the contract by transferring the promised product or service either when (or as) its customer obtains control of the product or service, including RNG, electricity and their related Environmental Attributes. A performance obligation is a promise in a contract to transfer a distinct product or service to a customer. A contract’s transaction price is allocated to each distinct performance obligation. Revenue is measured as the amount of consideration the Company expects to receive in exchange for transferring its products or services. Based on the terms of the related sales agreements, the amounts recorded under ASC 840 as lease revenue are generally consistent with revenue recognized under ASC 606. After the January 1, 2022 adoption of ASC 842, revenue is accounted for solely under ASC 606 as our facilities no longer meet the definition of leased assets under ASC 842.

Business Combinations

For business combinations that meet the accounting definition of a business, the Company determines and allocates the purchase price of an acquired company to the tangible and intangible assets acquired, the liabilities assumed, and noncontrolling interest, if applicable, as of the date of acquisition at fair value. Fair value may be estimated using comparable market data, a discounted cash flow method, or a combination of the two. In the discounted cash flow method, estimated future cash flows are based on management’s expectations for the future and can include estimates of future biogas production, commodity prices, operating and development costs, and a risk-adjusted discount rate. Revenues and costs of the acquired companies are included in the Company’s operating results from the date of acquisition.

The Company uses its best estimates and assumptions as part of the purchase price allocation process to accurately value assets acquired and liabilities assumed at the acquisition date, and these estimates and assumptions are inherently uncertain and subject to refinement during the measurement period not to exceed one year from the acquisition date. As a result, any adjustment identified subsequent to the measurement period is included in operating results in the period in which the amount is determined. The Company’s acquisitions are discussed in “Note 4 - Business Combinations and Reverse Recapitalization.”

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Recently Issued and Adopted Accounting Standards

9 Months Ended

Sep. 30, 2022

Accounting Changes and Error Corrections [Abstract]

Recently Issued and Adopted Accounting Standards

NOTE 3 – Recently Issued and Adopted Accounting Standards

In February 2016, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) No. 2016-02, Leases (Topic 842), to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about leasing arrangements. The main difference between previous generally accepted accounting principles and the new requirements under Topic 842 is the recognition of lease assets and lease liabilities by lessees for those leases with a term greater than 12 months classified as operating leases under previous GAAP.

Upon adoption of Topic 842 as of January 1, 2022, the Company recognized $5.1 million of right-of-use (“ROU”) assets and lease liabilities on its consolidated balance sheet related to operating leases existing on the adoption date. Prior period financial statements were not adjusted. The adoption of Topic 842 did not have a material impact on the Company’s consolidated statement of operations or consolidated statement of cash flows. See “Note 11 - Leases” for additional information.

In October 2021, the FASB issued ASU No. 2021-08, Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers. ASU 2021-08 requires all entities to recognize and measure contract assets and liabilities in a business combination in accordance with Topic 606, Revenue from Contracts with Customers. The guidance aims to improve comparability for revenue contracts with customers by providing consistent recognition and measurement guidance for all revenue contracts with customers. ASU 2021-08 is effective for the Company for fiscal years beginning after December 15, 2022, with early adoption permitted. The Company will adopt this ASU as of January 1, 2023 and does not expect the adoption to have a material impact on its financial condition, results of operations, or cash flows.

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Business Combinations and Reverse Recapitalization

9 Months Ended

Sep. 30, 2022

Business Combination and Asset Acquisition [Abstract]

Business Combinations and Reverse Recapitalization

NOTE 4 – Business Combinations and Reverse Recapitalization

INGENCO Acquisition

On July 15, 2022, the Company paid $230.5 million to acquire 100% of the ownership interest of INGENCO, pursuant to the Purchase and Sale Agreement dated April 26, 2022, and to retire INGENCO’s outstanding debt. At the acquisition date, INGENCO owned 14 LFG to renewable electricity facilities. INGENCO was purchased to increase the Company’s backlog of RNG development opportunities.

Total consideration was determined to be as follows:

(in thousands)	As of July 15, 2022
Cash consideration	$	221,034
Repayment of INGENCO debt at closing	9,511
Total purchase price consideration	$	230,545

The INGENCO acquisition represented the acquisition of a business and was accounted for using the acquisition method, whereby all of the assets acquired and liabilities assumed were recognized at their fair value on the acquisition date, with any excess of the purchase price over the estimated fair value recorded as goodwill. Certain data to complete the purchase price allocation is not yet available, including, but not limited to, final appraisals of certain assets acquired and liabilities assumed. The Company will finalize the purchase price allocation during the 12-month period following the acquisition date, during which time the value of the assets and liabilities may be revised as appropriate. The following table sets forth the preliminary allocation of the consideration.

(in thousands)	As of July 15, 2022
Fair value of assets acquired
Cash and cash equivalents	$	919
Account receivable – net	6,028
Prepaid expenses and other current assets	322
Inventory	7,478
Property, plant and equipment, net	41,344
Intangible assets, net	166,700
Operating lease right-of-use assets	916
Other non-current assets	258
Goodwill	17,992
Amount attributable to assets acquired	$	241,957
Fair value of liabilities assumed
Accounts payable	$	2,853
Accrued and other current liabilities	2,042
Below-market contracts	1,140
Long-term operating lease liabilities	715
Other long-term liabilities	4,662
Amount attributable to liabilities assumed	11,412
Net assets acquired	230,545
Total INGENCO acquisition consideration	$	230,545

Intangible assets acquired, and their related weighted-average amortization periods, are as follows:

(in thousands)	As of July 15, 2022		Weighted- Average Amortization Period
Biogas rights agreements	$	164,580	17.0 years
Power purchase contracts	$	2,120	7.9 years

The goodwill is primarily attributable to the expected synergies Archaea believes will be created as a result of the combined companies, the ability to enhance INGENCO’s current electric production facilities, and the ability to add RNG production facilities to existing INGENCO sites. Archaea expects a majority, if not all, of the goodwill to be assigned to the RNG reporting unit upon finalizing the purchase price allocation. For tax purposes, the INGENCO acquisition was a taxable asset acquisition, and as such, there are no deferred taxes recorded at the acquisition date.

Included in the consolidated statement of operations for both the three and nine months ended September 30, 2022 are revenues of $10.4 million and net income of $1.0 million related to INGENCO for the period from the acquisition date on July 15 through September 30, 2022. The Company also recognized transaction costs of $0.4 million and $3.1 million, mainly consisting of legal, consulting, and other professional fees, during the three and nine months ended September 30, 2022, respectively, related to the acquisition of INGENCO.

Formation of the Lightning JV

On May 5, 2022, the Company and Republic Services, Inc. (“Republic”) announced the formation of the Lightning JV to develop 39 RNG projects across the U.S. that will be located at various landfill sites owned or operated by Republic. The joint venture will develop and construct RNG facilities that will convert LFG into pipeline-quality RNG that can be used

for a variety of applications. The Company holds a 60% ownership interest in the Lightning JV, and the Company’s initial capital funding of $222.5 million was paid into the Lightning JV on July 5, 2022. Republic holds a 40% noncontrolling ownership interest in the Lightning JV and has contributed cash of $88.5 million and landfill gas rights recorded at an estimated fair value of $184.2 million. Republic’s noncontrolling interest estimated fair value was determined based on the fair value of their initial cash capital funding and landfill gas rights contribution. Concurrent with and utilizing the initial capital funding, the Lightning JV completed the acquisition of landfill gas rights and underlying assets at an additional Republic-owned landfill for $37.9 million, bringing the total number of RNG development projects within the Lightning JV to 40.

The Company has determined that the Lightning JV is a VIE and the Company is the primary beneficiary; therefore, the Company consolidates the Lightning JV. The assets of the Lightning JV cannot be used by the Company for general corporate purposes and are included in and disclosed parenthetically on the Company’s consolidated balance sheets. The Lightning JV’s creditors have no recourse to the Company’s assets or general credit, and the carrying amounts of liabilities related to the Lightning JV are included in and disclosed parenthetically on the Company’s consolidated balance sheets.

Included in the consolidated statement of operations for both the three and nine months ended September 30, 2022 are revenues of $0.1 million and net losses of $5.0 million related to the Lightning JV. The Company recognized transaction costs of $5.1 million and $5.5 million, mainly consisting of legal, consulting, and other professional fees, during the three and nine months ended September 30, 2022, respectively, related to the formation of the Lightning JV.

Reverse Recapitalization

Legacy Archaea is considered the accounting acquirer of the Business Combinations because the Legacy Archaea Holders have the largest portion of the voting power of the Company and Legacy Archaea’s senior management comprise the majority of the executive management of the Company. Additionally, the Legacy Archaea Holders appointed the majority of board members exclusive of the independent board members. The Archaea Merger represents a reverse merger and is accounted for as a reverse recapitalization in accordance with GAAP. Under this method of accounting, RAC is treated as the “acquired” company for financial reporting purposes. Accordingly, for accounting purposes, the Archaea Merger is treated as the equivalent of Legacy Archaea issuing shares for the net assets of RAC, accompanied by a recapitalization. The net assets of RAC were stated at historical cost, no goodwill or other intangible assets were recorded.

Aria Merger

As discussed in “Note 1 - Organization and Description of Business,” Aria was acquired as part of the Business Combinations consummated on September 15, 2021 to complement the Company’s existing RNG assets and for its operational expertise in the renewable gas industry. The Aria Merger represented an acquisition of a business and was accounted for using the acquisition method, whereby all of the assets acquired and liabilities assumed were recognized at their fair value on the acquisition date, with any excess of the purchase price over the estimated fair value recorded as goodwill.

As of June 30, 2022, the Company has completed the allocation of the consideration. During the six months ended June 30, 2022, the final consideration adjustment of $1.9 million was determined and received from the Aria Holders which had the effect of reducing goodwill. In addition, other purchase price adjustments of $2.5 million in the aggregate were recorded for the six months ended June 30, 2022 which had the effect of increasing goodwill.

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Revenues

9 Months Ended

Sep. 30, 2022

Revenue from Contract with Customer [Abstract]

Revenues

NOTE 5 – Revenues

The following table disaggregates revenue by significant product type and operating segment for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2022		2021		2022		2021
Revenue by Product Type
RNG, including RINs and LCFS credits	$	69,976	$	5,525	$	159,859	$	6,346
RNG O&M service (1)	280		110		812		110
Power, including RECs	27,038		5,125		58,796		7,363
Power O&M service (1)	1,083		156		3,061		156
Equipment and associated services	2,567		865		6,589		4,588
Other (1)	1,327		—		1,733		—
Total	$	102,271	$	11,781	$	230,850	$	18,563

Revenue by Operating Segment
RNG	$	70,256	$	5,635	$	160,671	$	6,456
Power	28,121		5,281		61,857		7,519
Corporate and Other	3,894		865		8,322		4,588
Total	$	102,271	$	11,781	$	230,850	$	18,563

_____________________________________________

(1) Includes revenues earned from the Company’s equity method investment joint ventures, see “Note 20 - Related Party Transactions.”

Contract Assets and Contract Liabilities

The timing of revenue recognition may differ from the timing of invoicing to customers. Contract assets include unbilled amounts from equipment sales projects when revenues recognized under the cost-to-cost measure of progress exceed the amounts invoiced to customers, as the amounts cannot be billed under the terms of the contracts. There were no credit allowances for contract assets as of September 30, 2022 or December 31, 2021. Contract liabilities from contracts arise when amounts invoiced to customers exceed revenues from equipment sales recognized under the cost-to-cost measure of progress. Contract liabilities also include advanced payments from customers on certain equipment contracts. Contract liabilities decrease as revenue is recognized from the satisfaction of the related performance obligation and are recorded as either current or long-term, depending upon when such revenue is expected to be recognized.

Contract assets and liabilities consisted of the following as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022		December 31, 2021
Contract assets (included in Prepaid expenses and other current assets)	$	1,540	$	87
Contract liabilities (included in Accrued and other current liabilities)	$	(1,457)	$	(505)

During the nine months ended September 30, 2022, the increase in contract assets was primarily the result of unbilled revenues under the terms of new equipment sales contracts, and the increase in contract liabilities was primarily due to the timing of milestone billings in advance of revenues recognized, offset in part by revenues recognized that were included in December 31, 2021 contract liabilities.

Costs to Obtain Customer Contracts

The Company recognizes an asset for the incremental costs of obtaining a contract with a customer when the economic benefit and amortization period exceeds one year. Only those costs that are directly related to the acquisition of customer contracts and that would not have been incurred if the customer contract had not been obtained are deferred as assets. As of September 30, 2022, $3.7 million in incremental customer contract acquisition costs was recognized as other non-current assets, and the amortization expense related to these costs was $0.1 million for both the three and nine months ended September 30, 2022.

Transaction Price Allocated to Remaining Unsatisfied Performance Obligations

Remaining unsatisfied performance obligations as of September 30, 2022 relate to certain of the Company’s RNG and Environmental Attributes contracts. The Company applies the optional exemptions in ASC 606 and does not disclose consideration for remaining performance obligations with an original expected duration of one year or less or for variable consideration related to unsatisfied performance obligations. Firm contracts for fixed-price, fixed-quantity sales of RNG and Environmental Attributes based on minimum contractual volumes are reflected in the table below when their original expected term is in excess of one year. The following table summarizes the revenue the Company expects to recognize over next 21 years on these firm sales contracts as of September 30, 2022:

(in thousands)
Remainder of 2022	$	19,729
2023-2024	262,926
2025-2026	430,193
2027-2028	441,060
2029-2030	434,641
2031-2032	418,453
Thereafter	1,842,870
Total	$	3,849,872

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Property, Plant, and Equipment

9 Months Ended

Sep. 30, 2022

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

NOTE 6 – Property, Plant and Equipment

Property, plant and equipment consist of the following as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022		December 31, 2021
Machinery and equipment	$	362,224	$	285,718
Buildings and improvements	18,064		16,039
Furniture and fixtures	3,296		1,176
Construction in progress (1)	239,223		55,039
Land	585		246
Total cost	623,392		358,218
Less accumulated depreciation	(27,280)		(7,635)
Property, plant and equipment, net	$	596,112	$	350,583

_____________________________________________

(1) Includes both acquired long-lead equipment and projects in progress.

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Equity Method Investments

9 Months Ended

Sep. 30, 2022

Equity Method Investments and Joint Ventures [Abstract]

Equity Method Investments

NOTE 7 – Equity Method Investments

As a result of the Aria Merger, the Company holds 50% interest in two joint ventures, Mavrix, LLC (“Mavrix”) and Sunshine Gas Producers, LLC (“SGP”), which are accounted for using the equity method due to the joint control by both the Company and unrelated parties with ownership interest in each entity.

Under the terms of the original Mavrix, LLC Contribution Agreement dated September 30, 2017, the Company is required to make an earn-out payment to its joint venture partner holding the other 50% membership in Mavrix in an amount up to $9.55 million. The earn-out payment represents additional consideration for the Company’s equity interest in Mavrix and is based on the performance of certain projects owned by Mavrix through the earn-out period, which ended September 30, 2022. In February 2022, the Mavrix, LLC Contribution Agreement was amended to exclude certain upgrade and optimization capital expenditures incurred for one specific project from the earn-out calculation and to add a maintenance expenditure cap. In September 2022, the Mavrix, LLC Contribution Agreement was amended a second time to exclude optimization capital expenditures for an additional project and clarify inclusion of certain control room capital expenditures for the final earn-out calculation. Based on the amended terms, the Company has accrued a liability of $7.9 million related to the earn-out payment as of September 30, 2022, and this amount is reflected in the accompanying balance sheet in accrued and other current liabilities. The calculated earn-out amount has been agreed to by the joint venture partner and is expected to be paid in the first quarter of 2023.

The summarized financial information for the Mavrix and SGP equity method investments is as follows: 

(in thousands)	September 30, 2022		December 31, 2021
Assets	$	232,762	$	203,864
Liabilities	58,463		15,477
Net assets	$	174,299	$	188,387
Company’s share of equity in net assets	$	87,150	$	94,194

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2022		2021		2022		2021
Total revenues	$	28,960	$	4,786	$	80,985	$	4,786
Net income	$	11,333	$	2,259	$	29,769	$	2,259
Company’s share of net income	$	5,666	$	1,130	$	14,885	$	1,130

The Company’s carrying values of the Mavrix and SGP investments also include basis differences totaling $151.4 million as of September 30, 2022 primarily as a result of the fair value measurements recorded as part of the Aria Merger. Amortization of the basis differences reduced equity investment income by $2.6 million and $7.7 million for the three and nine months ended September 30, 2022, respectively, and $0.4 million for both the three and nine months ended September 30, 2021.

On December 30, 2021, the Company entered into a new joint venture. The Company contributed $7.5 million in cash in 2021 into this newly created entity, Saturn Renewables LLC ("Saturn"), in exchange for a 50% interest, and the joint venture acquired gas rights at two landfill sites to develop RNG facilities. The Company is the operator of Saturn’s day-to-day operations and accounts for its investment in Saturn using the equity method. The Company has contributed an additional $8.0 million to the Saturn joint venture during the nine months ended September 30, 2022, and the carrying value of Saturn was $15.5 million as of September 30, 2022.

In addition, the Company also owns several smaller investments accounted for using the equity method of accounting totaling $7.0 million and $7.1 million as of September 30, 2022 and December 31, 2021, respectively

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Goodwill and Intangible Assets

9 Months Ended

Sep. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

NOTE 8 – Goodwill and Intangible Assets

Goodwill

At September 30, 2022 and December 31, 2021, the Company had goodwill of $47.8 million and $29.2 million, respectively, all of which is allocated to the RNG segment. The goodwill is primarily associated with the acquisitions of Aria and INGENCO. As discussed in “Note 4 - Business Combinations and Reverse Recapitalization,” changes in goodwill during the nine months ended September 30, 2022 include an increase of $18.0 million related to the INGENCO acquisition and an increase of $0.6 million related to finalizing the Aria Merger allocation. The Company performs its annual impairment testing on October 1 of each year or as circumstances change or necessitate. There have been no material changes related to the Company’s impairment assessments since its fiscal year ended December 31, 2021.

Intangible Assets

Intangible assets consist of biogas rights agreements, off-take agreements, O&M contracts, an RNG purchase contract, customer relationships and trade names that were recognized as a result of the allocation of the purchase price under business acquisitions based on their future value to the Company, and such intangible assets will be amortized over their estimated useful lives. Biogas rights agreements also include the cost of agreements entered into with biogas site hosts. The biogas rights agreements have various renewal terms in their underlying contracts that are factored into the useful lives when amortizing the intangible asset.

Intangible assets consist of the following as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022
	Gross Carrying Amount		Accumulated Amortization		Net
Biogas rights agreements	$	994,170	$	31,387	$	962,783
Electricity off-take agreements	28,631		3,202		25,429
O&M contracts	8,620		604		8,016
RNG purchase contract	10,290		6,956		3,334
Trade names and customer relationships	500		275		225
Total	$	1,042,211	$	42,424	$	999,787

(in thousands)	December 31, 2021
	Gross Carrying Amount		Accumulated Amortization		Net
Biogas rights agreements	$	603,868	$	8,237	$	595,631
Electricity off-take agreements	26,511		749		25,762
O&M contracts	8,620		173		8,447
RNG purchase contract	10,290		1,959		8,331
Trade names and customer relationships	500		200		300
Total	$	649,789	$	11,318	$	638,471

Total amortization expense was approximately $9.6 million and $26.1 million for the three and nine months ended September 30, 2022, respectively, and $1.7 million and $1.8 million for the three and nine months ended September 30, 2021, respectively, excluding the $1.7 million and $5.0 million for the three and nine months ended September 30, 2022, respectively, and $0.2 million for both the three and nine months ended September 30, 2021, of amortization of the RNG purchase contract that is amortized to cost of energy.

Below-Market Contracts

As a result of the Aria Merger and INGENCO acquisition, the Company assumed certain fixed-price sales contracts that were below current and future market prices at the respective closing dates. The contracts were recorded at fair value and are classified as other long-term liabilities on the Company’s consolidated balance sheets as of September 30, 2022 and December 31, 2021:

	September 30, 2022
	Gross Liability		Accumulated Amortization		Net
Gas off-take agreements	$	146,990	$	15,490	$	131,500
Power off-take agreement	1,140		14		1,126
Total	$	148,130	$	15,504	$	132,626

	December 31, 2021
	Gross Liability		Accumulated Amortization		Net
Gas off-take agreements	$	146,990	$	4,360	$	142,630

The below-market contract amortization was $3.7 million and $11.1 million for the three and nine months ended September 30, 2022, respectively, and $0.5 million for both the three and nine months ended September 30, 2021, and was recognized as an increase to revenues since it relates to the sale of RNG, Power and related Environmental Attributes.

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Accrued and Other Current Liabilities

9 Months Ended

Sep. 30, 2022

Payables and Accruals [Abstract]

Accrued and Other Current Liabilities

NOTE 9 – Accrued and Other Current Liabilities

Accrued and other current liabilities consist of the following as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022		December 31, 2021
Accrued expenses	$	52,244	$	16,638
Accrued capital expenditures	17,509		16,609
Derivative liabilities	402		771
Payroll and related costs	9,817		7,683
Accrued interest	3,827		738
Contract liabilities	1,457		505
Other current liabilities	8,438		3,335
Total	$	93,694	$	46,279

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Debt

9 Months Ended

Sep. 30, 2022

Debt Disclosure [Abstract]

Debt

NOTE 10 – Debt

Credit Agreement Amendment

On June 30, 2022, the Company amended its Revolving Credit and Term Loan Agreement which included a senior secured revolving credit facility (the “Revolver”) with an initial commitment of $250 million and a senior secured term loan credit facility (the “Term Loan”) with an initial commitment of $220 million. The amendment, among other things, increased the aggregate total commitment from the original syndicate of lenders plus two additional lenders by approximately $630 million to a total of $1.1 billion, and provides for a $400 million Term Loan and a $700 million Revolver (together, the “Credit Facilities”). In addition, on June 1, 2022, the benchmark interest rate was revised to the secured overnight financing rate (“SOFR”) plus 2.75% for the Revolver and SOFR plus 3.25% for the Term Loan. The maturity date of the Credit Facilities remains unchanged at September 15, 2026.

The Company had outstanding borrowings under the Term Loan of $397.5 million at an interest rate of 5.88% and under the Revolver of $395.0 million at a weighted-average interest rate of 5.46% as of September 30, 2022. The Company had issued letters of credit under the Credit Facilities of $26.1 million, resulting in available borrowing capacity of $278.9 million under the Revolver as of September 30, 2022.

The Company’s outstanding debt consists of the following as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022		December 31, 2021
Credit Agreement, as amended - Term Loan	$	397,500	$	218,625
Credit Agreement, as amended - Revolver	395,000		—
Wilmington Trust – 4.47% Term Note	60,828		60,828
Wilmington Trust – 3.75% Term Note	68,174		72,542
	921,502		351,995
Less unamortized debt issuance costs	(9,558)		(9,221)
Long-term debt less debt issuance costs	911,944		342,774
Less current maturities, net	(24,120)		(11,378)
Total long-term debt, net	$	887,824	$	331,396

Scheduled future maturities of long-term debt principal amounts are as follows:

(in thousands)
Remainder of 2022	$	6,509
2023	26,108
2024	26,371
2025	26,598
2026	734,357
Thereafter	101,559
Total	$	921,502

Fair Value of Debt

The Company estimates the fair value of fixed-rate term loans based on quoted market yields for similarly rated debt instruments in an active market, which are considered a Level 2 input in the fair value hierarchy. As of September 30, 2022 and December 31, 2021, the estimated fair value of the Company’s outstanding debt was approximately $874.2 million and $353.1 million, respectively.

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Leases

9 Months Ended

Sep. 30, 2022

Leases [Abstract]

Leases

NOTE 11 – Leases

The Company has entered into warehouse, facility, and various office leases with third parties for periods ranging from one to eleven years. As discussed in “Note 3 - Recently Issued and Adopted Accounting Standards,” the Company adopted ASC 842 - Leases on January 1, 2022 utilizing the modified retrospective approach. The Company has elected the package of practical expedients, which allows the Company not to reassess (1) whether any expired or existing contracts as of the adoption date are or contain leases, (2) lease classification for any expired or existing leases as of the adoption date, and (3) initial direct costs for any existing leases as of the adoption date. The Company has elected not to recognize ROU assets and lease liabilities for leases with terms of 12 months or less.

The Company determines at the inception of a lease whether an arrangement that provides the Company control over the use of an asset is a lease. ROU assets and lease liabilities are initially measured at the lease commencement date based on the present value of the future lease payments over the lease term, discounted using an estimate of the Company’s

incremental borrowing rate which approximates the rate to borrow funds on collateralized loans over a similar term of the lease. Renewal options are included in the calculation of ROU assets and lease liabilities when the Company determines that the option is reasonably certain of exercise based on an analysis of the relevant facts and circumstances. When operating leases contain provisions for maintenance services, which are considered non-lease components for accounting purposes, those non-lease components are excluded from the calculation of the ROU assets and lease liabilities.

Operating lease expense is generally recognized on a straight-line basis over the lease term unless another method better represents the pattern that benefit is expected to be derived from the right to use the underlying asset. For the three and nine months ended September 30, 2022, the Company recognized total lease costs of $1.0 million and $2.7 million, respectively, which was comprised of $0.4 million and $1.1 million, respectively, in operating lease costs for ROU assets, and $0.7 million and $1.6 million, respectively, of short-term operating lease expense. For the three and nine months ended September 30, 2021, the Company recognized rent expense of $0.5 million and $0.9 million, respectively.

The Company also entered into a related-party office lease as a result of its acquisition of an interest in Gulf Coast Environmental Services, LLC in 2020. During the nine months ended September 30, 2022, the Company recognized rent expense of $70 thousand under this related-party lease which expired on May 1, 2022. For the three and nine months ended September 30, 2021, the Company recognized rent expense of $53 thousand and $0.2 million, respectively, under this related-party lease.

Supplemental information related to the Company’s ROU assets and related operating lease liabilities were as follows:

(in thousands)	Nine Months Ended September 30, 2022
Operating cash outflows for operating leases	$	1,346
Weighted-average remaining lease term (in years)	7.6
Weighted-average discount rate	5.5		%

In 2021, the Company entered into a new corporate office lease with a commitment of approximately $8.1 million that has not commenced as of September 30, 2022 and, therefore, has not been recognized on the Company’s consolidated balance sheet. This operating lease is expected to commence in the first half of 2023 with a lease term of 11 years.

As of September 30, 2022, future lease payments under the Company’s operating leases that have commenced are as follows:

(in thousands)
Remainder of 2022	$	365
2023	1,161
2024	1,158
2025	1,149
2026	1,101
Thereafter	3,479
Total future lease payments	8,413
Less portion representing imputed interest	(1,517)
Total operating lease liabilities	$	6,896

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2022

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

NOTE 12 – Commitments and Contingencies

Commitments

The Company has various long-term contractual commitments pertaining to its biogas rights agreements. Excluding the

evergreen contracts, these agreements expire at various dates through 2045.

Contingencies

The Company is subject to certain claims, charges and litigation concerning matters arising in the ordinary course of business and that have not been fully resolved. The Company does not believe the ultimate outcome of any currently pending lawsuit will have a material adverse effect upon the Company’s financial statements, and the potential liability is believed to be only reasonably possible or remote.

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Derivative Instruments

9 Months Ended

Sep. 30, 2022

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Instruments

NOTE 13 – Derivative Instruments

Warrant Liabilities

In June and September 2022, a total of 1,635,936 Private Placement Warrants were exercised on cashless basis at an exercise price of $11.50 per share in exchange for a total of 695,124 shares of Class A Common Stock. As of September 30, 2022, 5,135,064 Private Placement Warrants remain outstanding, and each is exercisable to purchase one share of Class A Common Stock or, in certain circumstances, one Class A Opco Unit and corresponding share of Class B Common Stock. The Private Placement Warrants expire on September 15, 2026, or earlier upon redemption or liquidation. Private Placement Warrants are nonredeemable so long as they are held by the initial purchasers or their permitted transferees. The outstanding Private Placement Warrants continue to be held by the initial purchasers or their permitted transferees as of September 30, 2022. See “Note 21 - Subsequent Events” for the effects of the Merger on the Private Placement Warrants.

The Private Placement Warrants contain exercise and settlement features that preclude them from being classified within stockholders’ equity, and therefore are recognized as derivative liabilities. The Company recognizes the warrant instruments as liabilities at fair value with changes in fair value included within gain (loss) on warrants and derivative contracts in the Company’s consolidated statements of operations. Derivative warrant liabilities are classified as non-current liabilities as their liquidation is not reasonably expected to require the use of current assets or require the creation of current liabilities.

The fair value of the Private Placement Warrants is estimated using the Black-Scholes option pricing model (a Level 3 measurement).

The Company used the following assumptions to estimate the fair value of the Private Placement Warrants:

	September 30, 2022			December 31, 2021
Stock price	$	18.01		$	18.28
Exercise price	$	11.50		$	11.50
Volatility	51.0		%	46.0		%
Expected term (in years)	4.0			4.7
Risk-free interest rate	4.1		%	1.2		%

The change in the fair value of the warrant liabilities is recognized in gain (loss) on warrants and derivative contracts in the consolidated statement of operations. The changes in the warrant liabilities for the nine months ended September 30, 2022 are as follows:

(in thousands)
Warrant liabilities as of December 31, 2021	$	67,290
Change in fair value	(2,306)
Less fair value of warrants exercised	(11,836)
Warrant liabilities as of September 30, 2022	$	53,148

Natural Gas Swap

In conjunction with the Business Combinations, the Company assumed a natural gas variable to fixed priced swap agreement entered into by Aria. The Company is the fixed price payer under the swap agreement that provides for monthly net settlements through the termination date of June 30, 2023. The agreement was intended to manage the risk associated with changing commodity prices. The agreement has a remaining notional of 163,800 MMBtu as of September 30, 2022.

Changes in the fair values and realized gains (losses) for the natural gas swap are recognized in gain (loss) on warrants and derivative contracts in the consolidated statement of operations. Valuation of the natural gas swap was calculated by discounting future net cash flows that were based on a forward price curve for natural gas over the remaining life of the contract (a Level 2 measurement), with an adjustment for each counterparty’s credit rate risk.

Interest Rate Swap

In December 2021, the Company entered into an interest rate swap (the “2021 Swap”) with a three-year term for a notional amount beginning at $109.3 million and declining over the term. The 2021 Swap locked in payments of a fixed interest rate of 1.094% in exchange for a floating interest rate that resets monthly based on LIBOR. As discussed in “Note 10 - Debt,” the Company amended its Revolving Credit and Term Loan Agreement to increase the Term Loan commitment to $400 million on June 30, 2022. The 2021 Swap was terminated effective September 16, 2022 as it no longer met the requirements of the amended Revolving Credit and Term Loan Agreement, and the Company received a termination payment of $6.3 million to settle the fair value of the related derivative asset at the termination date. Concurrently, the Company entered into a new interest rate swap (the “2022 Swap”) with a three-year term for a notional amount beginning at $198.8 million as of September 1, 2022 and declining over the term to $171.3 million at the termination date. The 2022 Swap locked in payments of a fixed interest rate of 3.774% in exchange for a floating interest rate that resets monthly based on SOFR.

The 2021 Swap and 2022 Swap are not designated as hedging instruments, and net gains and losses are recognized currently in gain (loss) on warrants and derivative contracts.

The following summarizes the balance sheet classification and fair value of the Company’s derivative instruments as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022		December 31, 2021
Prepaid expenses and other current assets
Natural gas swap asset	$	274	$	—
Interest rate swap asset	852		—
Other non-current assets
Interest rate swap asset	736		439
Total derivative assets	$	1,862	$	439
Accrued and other current liabilities
Natural gas swap liability	$	34	$	44
Interest rate swap liability	368		727
Derivative liabilities
Natural gas swap liability	—		134
Interest rate swap liability	201		—
Warrant liabilities	53,148		67,290
Total derivative liabilities	$	53,751	$	68,195

The following table summarizes the income statement effect of gains and losses related to warrants and derivative instruments for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2022		2021		2022		2021
Gain (loss) on natural gas swap contract	$	287	$	64	$	857	$	64
Gain (loss) on interest rate swap contract	2,806		—		7,412		—
Gain (loss) on warrant liabilities	(10,698)		(10,477)		2,306		(10,477)
Total	$	(7,605)	$	(10,413)	$	10,575	$	(10,413)

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Fair Value Measurements

9 Months Ended

Sep. 30, 2022

Fair Value Disclosures [Abstract]

Fair Value Measurements

NOTE 14 – Fair Value Measurements

Fair Values - Recurring

The following table summarizes the outstanding derivative instruments and the fair value hierarchy for the Company’s derivative assets and liabilities that are required to be measured at fair value on a recurring basis:

(in thousands)	Level 1		Level 2		Level 3		Total Fair Value
September 30, 2022
Assets
Natural gas swap	$	—	$	274	$	—	$	274
Interest rate swap	—		1,588		—		1,588
Liabilities
Natural gas swap	$	—	$	34	$	—	$	34
Interest rate swap	—		569		—		569
Warrant liabilities	—		—		53,148		53,148

(in thousands)	Level 1		Level 2		Level 3		Total Fair Value
December 31, 2021
Assets
Interest rate swap	$	—	$	439	$	—	$	439
Liabilities
Natural gas swap	$	—	$	178	$	—	$	178
Interest rate swap	—		727		—		727
Warrant liabilities	—		—		67,290		67,290

Financial Instruments Fair Value

As of September 30, 2022 and December 31, 2021, the fair value of other financial instruments including cash and cash equivalents, prepaid expenses, accounts payable, and accrued and deferred expenses approximate the carrying values because of the short-term maturity of those items. See “Note 10 - Debt” for the fair value of the Company’s debt.

Fair Values - Nonrecurring

The fair value measurements of goodwill, assets acquired and liabilities assumed, including below-market contracts assumed, in the business combinations are measured on a nonrecurring basis on the acquisition date based on inputs that are not observable in the market, and therefore, represent Level 3 inputs and measurements. See “Note 8 - Goodwill and Intangible Assets” and “Note 4 - Business Combinations and Reverse Recapitalization.”

There were no transfers between fair value hierarchy levels for the nine months ended September 30, 2022 and the year ended December 31, 2021.

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Redeemable and Nonredeemable Noncontrolling Interest and Stockholders’ Equity

9 Months Ended

Sep. 30, 2022

Equity [Abstract]

Redeemable and Nonredeemable Noncontrolling Interest and Stockholders’ Equity

NOTE 15 – Redeemable and Nonredeemable Noncontrolling Interest and Stockholders’ Equity

Redeemable Noncontrolling Interest

The redeemable noncontrolling interest relates to Class A Opco Units, including units issued in connection with the Business Combinations and units owned by the Sponsor (or their transferees), Atlas or the Company’s directors. As of September 30, 2022, the Company directly owned approximately 67.6% of the interest in Opco and the redeemable noncontrolling interest was 32.4%. As of December 31, 2021, the Company owned approximately 54.5% of the interest in Opco and the redeemable noncontrolling interest was 45.5%. Holders of Class A Opco Units other than Archaea own an equal number of shares of Class B Common Stock and have a redemption right, subject to certain limitations, to redeem Class A Opco Units and a corresponding number of shares of Class B Common Stock for, at Opco’s option, (i) shares of Class A Common Stock on a one-for-one basis, subject to adjustment for stock splits, stock dividends, reorganizations, recapitalizations and the like, or (ii) a corresponding amount of cash. Due to the cash redemption provisions of the redemption right, the Company has accounted for the redeemable noncontrolling interest as temporary equity.

Stockholders’ Equity

In March 2022, the Company supported an underwritten public offering in which Aria Renewable Energy Systems LLC sold 14,942,643 shares of our Class A Common Stock (the “Ares Secondary Offering”). The Ares Secondary Offering resulted in no proceeds to the Company and a decrease of 14,942,643 shares of outstanding Class B Common Stock and a corresponding increase of 14,942,643 shares of outstanding Class A Common Stock.

The following is a summary of Class A Common Stock and Class B Common Stock activity for the nine months ended September 30, 2022:

(in shares)	Class A Common Stock	Class B Common Stock
Balance at December 31, 2021	65,122,200	54,338,114
Issued for warrant exercises	695,124	—
Exchange of Class B Common Stock for Class A Common Stock	15,285,446	(15,285,446)
Issued for vested RSUs	317,572	—
Shares issued to vendor	172,295	—
Outstanding at September 30, 2022	81,592,637	39,052,668

Nonredeemable Noncontrolling Interests

As discussed in “Note 4 - Business Combinations and Reverse Recapitalization,” the Company owns a 60% controlling interest in the Lightning JV. Nonredeemable noncontrolling interests on the Company’s consolidated balance sheets represent the carrying value of the 40% equity ownership in the Lightning JV that is not attributable to the Company.

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Share-Based Compensation

9 Months Ended

Sep. 30, 2022

Share-Based Payment Arrangement [Abstract]

Share-Based Compensation

NOTE 16 – Share-Based Compensation

In connection with Business Combinations, the Company adopted the 2021 Omnibus Incentive Plan (the “Plan”). The Company may grant restricted stock, RSUs, incentive and non-qualified stock options, stock appreciation rights, performance awards, stock awards and other stock-based awards to officers, directors, employees and consultants under the terms of the Plan. There are 11.3 million shares authorized under the Plan and approximately 9.4 million shares remain available for future issuance as of September 30, 2022. The Company determines the grant-date fair value of its RSUs using the fair market value of its stock on the grant date, unless the awards are subject to market-based vesting conditions, in which case the Company utilizes a Monte Carlo simulation model to determine the grant-date fair value. The Company recognizes compensation expense equal to the grant-date fair value for all equity awards that are expected to vest. This expense is recognized as compensation expense on a straight-line basis over the requisite service period, which is the vesting period. The Company has elected to account for forfeitures of awards granted under the Plan as they occur in determining compensation expense.

In July 2022, certain executives and employees entered into the Company’s Executive Severance Plan. In the event of a qualifying termination or change of control termination, the Executive Severance Plan provides the eligible employees immediate vesting rights to all or a portion of their unvested share-based awards. This Executive Severance Plan modified the eligible employees’ unvested share-based awards, but there was no incremental cost related to this modification.

Restricted Stock Units

In January 2022, the Company granted a total of 41,028 RSUs to non-employee directors with a one-year vesting period. These RSUs will be subject to forfeiture restrictions and cannot be sold, transferred, or disposed of during the restriction period.

In February 2022, the Company modified and accelerated the vesting of 158,583 unvested RSUs for certain employees and recognized $2.9 million of incremental share-based compensation expense related to these modifications.

In August 2022, the Company issued a total of 172,295 RSUs vesting immediately, with a settlement date fair value of $2.9 million, to a consultant to settle the accrued liability related to costs to obtain customer contracts. See “Note 5 - Revenues” for discussion of accounting treatment.

During the nine months ended September 30, 2022, the Company granted a total of 713,533 RSUs to its executives and employees, and these RSUs generally vest over a three-year period. These RSUs will be subject to forfeiture restrictions and cannot be sold, transferred, or disposed of during the restriction period.

The table below summarizes RSU activity for the nine months ended September 30, 2022:

	RSUs	Weighted- Average Grant Date Fair Value (per unit)
Outstanding at December 31, 2021	851,020	$	17.23
Granted	926,856	$	20.93
Vested (1)	(627,653)	$	17.18
Forfeited	(180,350)	$	18.51
Outstanding at September 30, 2022	969,873	$	20.57

__________________________________________

(1) Vested RSUs include 129,394 units that were not converted into Class A Common Stock due to net share settlements to cover employee withholding taxes.

For the three and nine months ended September 30, 2022, the Company recognized a total of $3.0 million and $11.1 million, respectively, of share-based compensation expense related to RSUs, including $2.9 million of incremental share-based compensation expense for the February 2022 modifications, and $0.5 million of share-based compensation

expense related to RSUs for both the three and nine months ended September 30, 2021. At September 30, 2022, there was $16.6 million of unrecognized share-based compensation expense related to unvested RSUs, which is expected to be recognized over a weighted-average period of approximately 1.5 years.

Bonus RSUs Program

In September 2022, the compensation committee of the Company’s board of directors authorized an optional program that permits employees to elect to receive all or half of their earned 2022 annual bonuses, otherwise payable in cash, in the form of RSUs vesting immediately at the bonus payment date, with an additional 5% to 15% compared to the employee’s cash bonus amount. Obligations under this program are accounted for as liabilities, and all awards under the annual bonus RSUs program are expected to be settled during the three months ending March 31, 2023. The accrued liabilities for the RSU portion of the bonus program was $5.8 million as of September 30, 2022.

Performance-Based RSUs

During the nine months ended September 30, 2022, the Company granted a total of 376,028 performance-based RSUs (“PSUs”) to its senior executives and certain other high-level employees. Each grant award reflects a target number of PSUs that may be issued to the award recipient. These PSUs vest on March 1, 2025 following the completion of a three-year performance period ending December 31, 2024. The performance criteria consist of the market-based Absolute Total Shareholders Return (“ATSR”) and the performance-based Average Cash Return on Investment (“ACRI”). Depending on the results achieved during the three-year performance period, the actual number of PSUs that an award recipient receives at the end of the vesting period may range from 0% to 200% of the target PSUs granted. For the Executive Severance Plan participants, all or a portion of the PSUs immediately vest upon qualifying termination or change of control termination.

Estimates of grant-date fair value of these PSUs may not accurately predict the value ultimately realized by the employees who received the awards, and the ultimate value may not be indicative of the reasonableness of the original estimates of fair value made by the Company.

The fair value of the ATSR market-based performance objective was determined using Monte Carlo simulations with the following weighted-average assumptions:

Stock price	$	22.44
Volatility	49.0		%
Risk-free interest rate	2.6		%
Grant date fair value per target ATSR PSU	$	28.10

Separately, based on a subjective assessment of our future financial performance over the performance period, the Company determines quarterly the probable level of performance for the ACRI criteria. The Company starts recording compensation expense when the ACRI become probable of achievement and compensation expense is recorded based on the probable outcome of the ACRI performance conditions. Based on the Company’s subjective assessment as of September 30, 2022, the 100% payout rate of ACRI performance is probable of being achieved; accordingly, the Company recognized expense based on this target level.

The table below summarizes PSU activity for the nine months ended September 30, 2022:

	PSUs	Weighted- Average Grant Date Fair Value (per unit)
Outstanding at December 31, 2021	—	$	—
Granted	376,028	$	26.39
Vested	(4,737)	$	26.84
Forfeited	(18,521)	$	26.84
Outstanding at September 30, 2022	352,770	$	26.36

For the three and nine months ended September 30, 2022, the Company recognized a total of $0.9 million and $1.7 million, respectively, of share-based compensation expense related to these PSUs. At September 30, 2022, there was $7.8 million of unrecognized compensation expense related to unvested PSUs, which is expected to be recognized over a weighted-average period of approximately 2.4 years.

Series A Incentive Plan

Legacy Archaea adopted a Series A Incentive Plan in 2018 to provide economic incentives to select employees and other service providers in order to align their interests with equity holders of Legacy Archaea. Under the original terms of the awards, all unvested Series A units outstanding were vested upon Closing of the Business Combinations.

For the three and nine months ended September 30, 2021, Legacy Archaea recognized compensation expense of $2.1 million and $2.3 million, respectively, related to Series A units awards. As a result of the Business Combinations, the Series A Incentive Plan is no longer applicable to the Company.

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Provision for Income Tax

9 Months Ended

Sep. 30, 2022

Income Tax Disclosure [Abstract]

Provision for Income Tax

NOTE 17 – Provision for Income Tax

Archaea Energy Inc. is organized as a Subchapter C corporation and, as of September 30, 2022, is a 67.6% owner of LFG Acquisition Holdings LLC. LFG Acquisition Holdings LLC is organized as a limited liability company and treated as a partnership for U.S. federal and most applicable state and local income tax purposes and, as such, is generally not subject to any U.S. federal and state entity-level income taxes with the exception of two subsidiary Subchapter C corporations and certain limited state jurisdictions.

The Company recognized federal and state income tax expense of $57 thousand and $186 thousand for the three and nine months ended September 30, 2022, respectively. The Company did not record a tax provision for the three and nine months ended September 30, 2021 primarily due to Archaea Energy LLC's status as a pass-through entity for U.S. federal income tax purposes.

The effective tax rates were (0.52)% and (1.62)% for the three and nine months ended September 30, 2022, respectively, and 0% for both the three and nine months ended September 30, 2021. The difference between the Company’s effective tax rate for the three and nine months ended September 30, 2022, and the U.S. statutory tax rate of 21% was primarily due to a full valuation allowance recorded on the Company’s net U.S. and state deferred tax assets, income (loss) from pass-through entities not attributable to Class A Common Stock, and state and local taxes. The Company evaluates the realizability of the deferred tax assets on a quarterly basis and establishes a valuation allowance when it is more likely than not that all or a portion of a deferred tax asset may not be realized.

As of September 30, 2022, the Company determined it is not more likely than not the Company’s net deferred tax assets will be realized due to significant negative evidence such as cumulative losses and continues to maintain a full valuation allowance. There are no unrecognized tax benefits recorded as of September 30, 2022 and December 31, 2021.

Archaea is analyzing the relevant sections of the recently passed Inflation Reduction Act to determine what, if any, impact it may have on the 2022 financial statements. The Company does not anticipate a material impact on year-to-date activity as of September 30, 2022.

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Net Earnings (Loss) Per Share

9 Months Ended

Sep. 30, 2022

Earnings Per Share [Abstract]

Net Earnings (Loss) Per Share

NOTE 18 – Net Earnings (Loss) Per Share

The Archaea Merger was accounted for as a reverse recapitalization and is treated as the equivalent of Legacy Archaea receiving proceeds for the issuance of the outstanding shares of Class A Common Stock and Class B Common Stock, as well as the warrants, of Rice Acquisition Corp. accompanied by a recapitalization. Therefore, Class A Common Stock is deemed to be outstanding beginning at the Closing due to the reverse recapitalization.

The Company’s basic earnings per share (“EPS”) of Class A Common Stock is computed based on the average number of shares of Class A Common Stock outstanding for the period. Diluted EPS includes the effects of the Company’s outstanding RSUs, PSUs and Private Placement Warrants, unless the effects are anti-dilutive to EPS.

The following provides a reconciliation between basic and diluted EPS attributable to Class A Common Stock for the three and nine months ended September 30, 2022 and 2021.

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands, except per share amounts)	2022		2021		2022		2021
Net income (loss) attributable to Class A Common shares - basic	$	(14,991)	$	(7,011)	$	(11,468)	$	(7,011)
Less gain in fair value of Private Placement Warrants	—		—		(2,306)		—
Net income (loss) attributable to Class A Common shares - diluted	$	(14,991)	$	(7,011)	$	(13,774)	$	(7,011)
Weighted average number of Class A Common shares outstanding - basic	81,045		52,847		76,035		52,847
Effect of dilutive Private Placement Warrants	—		—		2,508		—
Weighted average number of Class A Common shares outstanding - diluted	81,045		52,847		78,543		52,847
Net income (loss) per share of Class A Common Stock
Basic	$	(0.18)	$	(0.13)	$	(0.15)	$	(0.13)
Diluted	$	(0.18)	$	(0.13)	$	(0.18)	$	(0.13)

For the three months ended September 30, 2022, weighted-average total warrants of 6,094,812 and RSUs and PSUs of 1,430,225, and for the nine months ended September 30, 2022, weighted-average RSUs and PSUs of 1,223,249 were excluded from the diluted Class A Common Stock shares as their effect would have been anti-dilutive. For the three and nine months ended September 30, 2021, weighted-average total warrants of 18,883,492 and RSUs of 140,000 were excluded from the diluted Class A Common Stock shares as their effect would have been anti-dilutive.

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Segment Information

9 Months Ended

Sep. 30, 2022

Segment Reporting [Abstract]

Segment Information

NOTE 19 – Segment Information

The Company’s two reporting segments for the three and nine months ended September 30, 2022 and 2021 are RNG and Power. The Company’s chief operating decision maker evaluates the performance of its segments based on operational measures including revenues, net income and EBITDA.

The following summarizes selected financial information for the Company’s reporting segments:

(in thousands)	RNG		Power		Corporate and Other		Total
Three months ended September 30, 2022
Revenue and other income	$	73,857	$	27,366	$	3,770	$	104,993
Intersegment revenue	—		1,161		(1,161)		—
Total revenue and other income	73,857		28,527		2,609		104,993
Equity investment income, net	2,547		398		—		2,945
Net income (loss)	17,762		3,249		(45,246)		(24,235)
Interest expense	1,454		—		9,121		10,575
Depreciation, amortization and accretion	11,104		5,602		266		16,972
Income tax expense	5		6		46		57
EBITDA	$	30,325	$	8,857	$	(35,813)	$	3,369
Nine months ended September 30, 2022
Revenue and other income	$	171,480	$	59,307	$	8,322	$	239,109
Intersegment revenue	—		3,938		(3,938)		—
Total revenue and other income	171,480		63,245		4,384		239,109
Equity investment income, net	6,091		976		—		7,067
Net income (loss)	42,188		6,523		(73,494)		(24,783)
Interest expense	3,448		—		13,493		16,941
Depreciation, amortization and accretion	31,178		11,333		680		43,191
Income tax expense	5		6		175		186
EBITDA	$	76,819	$	17,862	$	(59,146)	$	35,535
September 30, 2022
Goodwill	$	47,833	$	—	$	—	$	47,833
Three months ended September 30, 2021
Revenue and other income	$	5,963	$	5,158	$	865	$	11,986
Intersegment revenue	—		12		(12)		—
Total revenue and other income	5,963		5,170		853		11,986
Net income (loss)	28		(320)		(23,885)		(24,177)
Interest expense	(18)		—		1,604		1,586
Depreciation, amortization and accretion	1,906		1,204		32		3,142
EBITDA	$	1,916	$	884	$	(22,249)	$	(19,449)
Nine months ended September 30, 2021
Revenue and other income	$	6,785	$	7,395	$	4,588	$	18,768
Intersegment revenue	—		12		(12)		—
Total revenue and other income	6,785		7,407		4,576		18,768
Net income (loss)	(1,538)		(2,150)		(30,918)		(34,606)
Interest expense	2		—		1,604		1,606
Depreciation, amortization and accretion	2,121		1,834		122		4,077
EBITDA	$	585	$	(316)	$	(29,192)	$	(28,923)
December 31, 2021
Goodwill	$	29,211	$	—	$	—	$	29,211

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Related Party Transactions

9 Months Ended

Sep. 30, 2022

Related Party Transactions [Abstract]

Related Party Transactions

NOTE 20 – Related Party Transactions

Assai Energy, LLC (“Assai”) (a wholly owned subsidiary of the Company) entered into a construction service and project guarantee agreement with Noble Environmental Specialty Services, LLC (“NESS”) (a wholly owned subsidiary of Noble). This agreement is considered to be a related party transaction due to the owners of NESS also being certain officers of the Company. NESS was responsible for constructing an RNG plant located at the Keystone Landfill, near Scranton, PA. The total contract price for the EPC contract is $19.9 million, which has been fully paid. The Company also reimbursed NESS $6.7 million for costs outside the EPC contract related to additional capital costs for the Assai project. NESS billed an additional $4.2 million in capital project change orders and associated labor costs, and this amount has been capitalized to property, plant and equipment and is included in accounts payable - trade as of September 30, 2022.

The Company provides O&M and construction services for facilities owned by certain of its joint ventures and recognized associated revenues of $1.7 million and $2.7 million for the three and nine months ended September 30, 2022, respectively. As of September 30, 2022, the Company had related party balances with certain of its joint ventures including a receivable of $0.6 million.

In 2020, the Company entered into Master Services Agreement and Development and Marketing Agreement with Lutum Technologies LLC (“Lutum”), a joint venture with 20% ownership by the Company. The Company has paid zero and $0.7 million to Lutum for the three and nine months ended September 30, 2022, respectively.

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Subsequent Events

9 Months Ended

Sep. 30, 2022

Subsequent Events [Abstract]

Subsequent Events

NOTE 21 – Subsequent Events

On October 16, 2022, the Company and Opco entered into the Merger Agreement, pursuant to which Merger Sub will merge with and into the Company with the Company continuing as the surviving corporation and a wholly owned subsidiary of Parent, and Opco Merger Sub will merge with and into Opco with Opco continuing as the surviving company and a wholly owned subsidiary of Parent.

The Company’s board of directors has unanimously approved the Merger Agreement and, subject to certain exceptions set forth in the Merger Agreement, resolved to recommend that the Company’s stockholders adopt the Merger Agreement.

As a result of the Merger, (i) at the Effective Time, each share of Class A Common Stock outstanding immediately prior to the Effective Time (subject to certain exceptions, including shares of Class A Common Stock owned by stockholders of the Company who have not voted in favor of the adoption of the Merger Agreement and have properly exercised appraisal rights in accordance with Delaware law) will automatically be converted into the right to receive the Per Share Price in cash, subject to applicable withholding taxes, and (ii) at the Opco Merger Effective Time, each Class A Opco Unit outstanding immediately prior to the Opco Merger Effective Time that is held by a holder other than the Company or any of its subsidiaries will automatically be converted into the right to receive the Per Share Price in cash, subject to applicable withholding taxes. Also, at the Effective Time, each share of Class B Common Stock will be automatically cancelled and extinguished without any conversion thereof or consideration paid therefor.

Immediately following the Opco Merger Effective Time, each of the outstanding Private Placement Warrants will be redeemed for cash in accordance with the terms of the Warrant Agreement, as amended in connection with the Company’s entry into the Merger Agreement, which provides that immediately following the Opco Merger Effective Time, each Private Placement Warrant that is issued and outstanding immediately prior to the Effective Time will be automatically redeemed for the right to receive an amount, in cash, equal to (i) the Per Share Price minus (ii) the Warrant Price (as defined in the Warrant Agreement and which is currently $11.50) as reduced pursuant to the calculation provided in Section 4.4 of the Warrant Agreement, without interest.

If the Merger is consummated, the Class A Common Stock will be delisted from the New York Stock Exchange and deregistered under the Exchange Act. Completion of the Merger is subject to certain closing conditions, including (i) the adoption of the Merger Agreement by the holders of a majority of the outstanding shares of the Common Stock (the “Requisite Stockholder Approval”), (ii) the expiration or termination of any applicable waiting periods under the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended, (iii) approvals and clearances by the Federal Energy Regulatory Commission (“FERC”) and (iv) other customary conditions for a transaction of this type, such as the absence of any legal restraint prohibiting the consummation of the Merger and the absence of any Company Material Adverse Effect (as defined in the Merger Agreement). Subject to the satisfaction or waiver of such closing conditions, the parties are targeting closing the Merger by the end of 2022.

The Merger Agreement contains certain customary termination rights for the Company and Parent, including (i) if the Company Merger is not consummated by 11:59 p.m., New York City time, on July 16, 2023 (subject to an automatic extension until October 16, 2023 under certain circumstances for the purpose of obtaining certain regulatory approvals, in either case, the “Termination Date”), (ii) if the Requisite Stockholder Approval is not obtained, (iii) if the other party breaches its representations, warranties or covenants in a manner that would cause the conditions to the closing set forth in the Merger Agreement to not be satisfied and fails to cure such breach or (iv) if any legal restraint prohibiting the consummation of the Merger has become final and non-appealable. In addition, subject to compliance with certain terms of the Merger Agreement, (A) the Merger Agreement may be terminated by the Company (prior to obtaining the Requisite Stockholder Approval) in order to enter into a definitive agreement providing for a superior proposal and (B) the Merger Agreement may be terminated by Parent if the Company’s board of directors changes its recommendation.

If (i) the Merger Agreement is validly terminated by (A) Parent or the Company, if the Company Merger has not occurred by the Termination Date (provided that at the Termination Date (x) the Requisite Stockholder Approval has not been obtained or the Company stockholder meeting to approve the Merger has not been held prior to the Termination Date or (y) Parent has the right to terminate due to the Company’s uncured breach of its representations, warranties and covenants set forth in the Merger Agreement), (B) Parent or the Company, if the Company fails to obtain the Requisite Stockholder Approval or (C) Parent due to the Company’s uncured breach of its representations, warranties and covenants set forth in the Merger Agreement, (ii) prior to such termination, a third party publicly announces and (in the case of a termination at a time when the Company has failed to obtain the Requisite Stockholder Approval) does not withdraw a proposal for an alternative control transaction with the Company at least one business day before the Company fails to obtain the Requisite Stockholder Approval and (iii) within one year following such termination, the Company consummates or enters into a definitive agreement providing for an alternative control transaction that is subsequently consummated (or is terminated but a subsequent alternative control transaction is then consummated), the Company will be required to pay Parent a termination fee equal to $114.5 million (the “Company Termination Fee”). The Company is also required to pay the Company Termination Fee if (i) Parent terminates the Merger Agreement because the board of directors of the Company changes its recommendation regarding the Merger or (ii) if, prior to obtaining the Requisite Stockholder Approval, the Company terminates the Merger Agreement to enter into a definitive agreement providing for an alternative control transaction the board of directors of the Company deems to be superior to the Merger, if the Company has complied in all material respects with its non-solicitation covenant with respect to such superior proposal.

If the Merger Agreement is validly terminated by Parent or the Company (i) if any judgment, law or order prohibiting the Mergers in respect of, pursuant to or arising under any antitrust law has become final and non-appealable or because FERC has not yet issued an order authorizing the Merger or (ii) if the Company Merger has not occurred by the Termination Date and, in either case, at the time of such termination (A) any regulatory condition to Closing is not satisfied and (B) all other conditions to the obligations of Parent to consummate the Merger have been satisfied or waived, Parent will be required to pay the Company a termination fee equal to $327.2 million (the “Parent Termination Fee”).

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Description of Business - Predecessor

9 Months Ended

Sep. 30, 2022

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Description of Business - Predecessor

NOTE 1 - Organization and Description of Business

Archaea Energy Inc. (“Archaea” or the "Company"), a Delaware corporation (formerly named Rice Acquisition Corp.), is one of the largest RNG producers in the U.S., with an industry-leading RNG platform primarily focused on capturing and converting waste emissions from landfills and livestock farms into low-carbon RNG and electricity. As of September 30, 2022, Archaea owns, through wholly-owned entities or joint ventures, a diversified portfolio of 46 LFG recovery and processing facilities across 20 states, including 13 operated facilities that produce pipeline-quality RNG and 33 LFG to renewable electricity production facilities, including one non-operated facility and one facility that is not operational.

Archaea develops, designs, constructs, and operates RNG facilities. Archaea, through wholly-owned entities or joint ventures, has entered into long-term agreements with biogas site hosts which grant Archaea the rights to utilize gas produced at their sites and to construct and operate facilities on their sites to produce RNG and renewable electricity.

Merger Agreement

On October 16, 2022, the Company and Opco entered into an Agreement and Plan of Merger (the “Merger Agreement”) with BP Products North America Inc., a Maryland corporation (“Parent”), Condor RTM Inc., a Delaware corporation and a wholly owned subsidiary of Parent (“Merger Sub”), and Condor RTM LLC, a Delaware limited liability company and a wholly owned subsidiary of Parent (“Opco Merger Sub”). Pursuant to the Merger Agreement, Merger Sub will merge with and into the Company with the Company continuing as the surviving corporation and a wholly owned subsidiary of Parent (the “Company Merger”), and Opco Merger Sub will merge with and into Opco with Opco continuing as the surviving company and a wholly owned subsidiary of Parent (the “Opco Merger” and, together with the Company Merger, the “Merger”).

As a result of the Merger, (i) at the effective time of the Company Merger (the “Effective Time”), each share of Class A Common Stock outstanding immediately prior to the Effective Time (subject to certain exceptions, including shares of Class A Common Stock owned by stockholders of the Company who have not voted in favor of the adoption of the Merger Agreement and have properly exercised appraisal rights in accordance with Delaware law) will automatically be converted into the right to receive $26.00, without interest thereon (the “Per Share Price”) in cash, subject to applicable withholding taxes, and (ii) at the effective time of the Opco Merger (the “Opco Merger Effective Time”), each Class A Opco Unit outstanding immediately prior to the Opco Merger Effective Time that is held by a holder other than the Company or any of its subsidiaries will automatically be converted into the right to receive the Per Share Price in cash, subject to applicable withholding taxes. Also, at the Effective Time, each share of Class B Common Stock will be automatically cancelled and extinguished without any conversion thereof or consideration paid therefor.

Immediately following the Opco Merger Effective Time, each of the outstanding Private Placement Warrants will be redeemed for cash in accordance with the terms of the Warrant Agreement, as amended in connection with the Company’s entry into the Merger Agreement, which provides that immediately following the Opco Merger Effective Time, each Private Placement Warrant that is issued and outstanding immediately prior to the Effective Time will be automatically redeemed for the right to receive an amount, in cash, equal to (i) the Per Share Price minus (ii) the Warrant Price (as defined in the Warrant Agreement and which is currently $11.50) as reduced pursuant to the calculation provided in Section 4.4 of the Warrant Agreement, without interest.

The parties are targeting closing the Merger by the end of 2022, subject to customary closing conditions, including approval by the Company’s stockholders and receipt of regulatory approvals. Upon closing of the Merger, the Class A Common Stock will no longer be listed on any public market. See “Note 21 - Subsequent Events” for more information regarding the Merger.

The Business Combinations

On September 15, 2021, Archaea consummated the business combinations pursuant to (i) the Business Combination Agreement, dated April 7, 2021 (as amended, the “Aria Merger Agreement”), by and among Rice Acquisition Corp., a Delaware corporation (“RAC”), Rice Acquisition Holdings LLC, a Delaware limited liability company and direct subsidiary of RAC (“RAC Opco”), LFG Intermediate Co, LLC, a Delaware limited liability company and direct subsidiary of RAC Opco (“RAC Intermediate”), LFG Buyer Co, LLC, a Delaware limited liability company and direct subsidiary of RAC Intermediate (“RAC Buyer”), Inigo Merger Sub, LLC, a Delaware limited liability company and direct subsidiary of RAC Buyer (“Aria Merger Sub”), Aria Energy LLC, a Delaware limited liability company (“Aria”), and Aria Renewable Energy Systems LLC, a Delaware limited liability company, pursuant to which, among other things, Aria Merger Sub was merged with and into Aria, with Aria surviving the merger and becoming a direct subsidiary of RAC Buyer, on the terms and subject to the conditions set forth therein (the transactions contemplated by the Aria Merger Agreement, the “Aria Merger”), and (ii) the Business Combination Agreement, dated April 7, 2021 (as amended, the “Archaea Merger Agreement”), by and among RAC, RAC Opco, RAC Intermediate, RAC Buyer, Fezzik Merger Sub, LLC, a Delaware limited liability company and direct subsidiary of RAC Buyer (“Archaea Merger Sub”), Archaea Energy LLC, a Delaware limited liability company, and Archaea Energy II LLC, a Delaware limited liability company (“Legacy Archaea”), pursuant to which, among other things, Archaea Merger Sub was merged with and into Legacy Archaea, with Legacy Archaea surviving the merger and becoming a direct subsidiary of RAC Buyer, on the terms and subject to the conditions set forth therein (the transactions contemplated by the Archaea Merger Agreement, the “Archaea Merger” and, together with the Aria Merger, the “Business Combinations”). Legacy Archaea was determined to be the accounting acquirer of the Business Combinations, and Aria was determined to be the predecessor to the Company. Unless the context otherwise requires, the “Company,” “we,” “us,” and “our” refer, for periods prior to the completion of the Business Combinations, to Legacy Archaea and its subsidiaries and, for periods upon or after the completion of the Business Combinations, to Archaea Energy Inc. and its subsidiaries, including Legacy Archaea and Aria Energy LLC.

Archaea has retained its “up-C” structure, whereby (i) all of the equity interests in Aria and Legacy Archaea are held indirectly by Opco through RAC Buyer and RAC Intermediate, (ii) Archaea’s only assets are its equity interests in Opco, and (iii) Sponsor, Atlas, the RAC independent directors, the Legacy Archaea Holders and the Aria Holders own or owned economic interests directly in Opco. In connection with the consummation of the Business Combinations, Rice Acquisition Holdings LLC was renamed LFG Acquisition Holdings LLC. In accordance with Accounting Standards Codification (“ASC”) 810 - Consolidation, Opco is considered a VIE with Archaea as its sole managing member and primary beneficiary. As such, Archaea consolidates Opco, and the remaining unitholders that hold economic interests directly in Opco are presented as redeemable noncontrolling interests on the Company’s financial statements.

Subsequent to the Business Combinations, transactions impacting the ownership of Class A Opco Units include warrant exercises, repurchases from Aria Renewable Energy Systems LLC, redemption of certain other Class A Opco Units in exchange for Class A Common Stock, and issuances related to vested restricted stock units (“RSUs”). The ownership structure of Opco upon closing of the Business Combinations and as of September 30, 2022, which gives rise to the redeemable noncontrolling interest at Archaea, is as follows:

	September 30, 2022			September 15, 2021
Equity Holder	Class A Opco Units	% Interest		Class A Opco Units	% Interest
Archaea	81,592,637	67.6	%	52,847,195	45.9	%
Total controlling interests	81,592,637	67.6	%	52,847,195	45.9	%
Aria Holders	—	—	%	23,000,000	20.0	%
Legacy Archaea Holders	33,350,385	27.6	%	33,350,385	29.0	%
Sponsor, Atlas and RAC independent directors	5,702,283	4.7	%	5,931,350	5.2	%
Total redeemable noncontrolling interests	39,052,668	32.4	%	62,281,735	54.1	%
Total	120,645,305	100.0	%	115,128,930	100.0	%

Holders of Class A Opco Units other than Archaea have the right (a “redemption right”), subject to certain limitations, to redeem Class A Opco Units and a corresponding number of shares of Class B Common Stock for, at Opco’s option, (i) shares of Class A Common Stock on a one-for-one basis, subject to adjustment for stock splits, stock dividends, reorganizations, recapitalizations and the like, or (ii) a corresponding amount of cash.

Aria Energy LLC

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Description of Business - Predecessor

Description of Business - Predecessor

Aria Energy LLC and its subsidiaries (“Aria”) design, install, own, and operate long-lived energy projects. Aria was originally formed on September 6, 2007, as EIF Renewable Energy Holdings LLC, a Delaware LLC, headquartered in Novi, Michigan. Aria generates its revenue from customers located throughout the United States from the production and sale of electrical energy from LFG fuel engines and related Environmental Attributes, production and sale of RNG and related Environmental Attributes, operating and maintaining LFG projects owned by third parties, and constructing energy projects. Environmental Attributes include RECs in the power market and RINs and LCFS credits in the RNG market. Aria benefits from federal and state renewable fuel standards and federal compliance requirements for landfill owners and operators.

Funds managed by Ares EIF Management LLC held 94.35% of the ownership interests in Aria before the Closing of the Business Combinations.

The accompanying consolidated financial statements present the consolidated financial position and results of operations of Aria Energy LLC and its wholly owned subsidiaries.

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Summary of Significant Accounting Policies - Predecessor

9 Months Ended

Sep. 30, 2022

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Summary of Significant Accounting Policies - Predecessor

NOTE 2 - Basis of Presentation and Summary of Significant Accounting Policies

Basis of Presentation

These unaudited, interim, consolidated financial statements and notes are prepared in accordance with GAAP for interim reporting and in accordance with the rules and regulations of the SEC. These unaudited interim financial statements reflect all adjustments that are, in the opinion of management, necessary to present fairly the results for the interim periods presented. The Company’s accounting policies conform to GAAP and have been consistently applied in the presentation of financial statements. The Company’s consolidated financial statements include all wholly-owned subsidiaries and all VIEs with respect to which the Company determined it is the primary beneficiary. Certain information and disclosures normally included in annual financial statements prepared in accordance with GAAP have been condensed or omitted. Accordingly, these unaudited consolidated financial statements should be read in conjunction with the Company’s audited financial statements included in the 2021 Annual Report.

The Archaea Merger with RAC was accounted for as a reverse recapitalization with Legacy Archaea deemed the accounting acquirer, and therefore, there was no step-up to fair value of any RAC assets or liabilities and no goodwill or other intangible assets were recorded. The Aria Merger was accounted for using the acquisition method of accounting with Aria deemed to be the acquiree for accounting purposes. The Company also determined that Aria is the Company’s predecessor and therefore has included the historical financial statements of Aria as predecessor beginning on page 36.

Principles of Consolidation

As the Company completed its Business Combinations on September 15, 2021, these unaudited consolidated financial statements for the three and nine months ended September 30, 2022 and as of December 31, 2021 include the assets, liabilities and results of operations of the combined results of the businesses of Legacy Archaea and Aria as operated by the Company after the Business Combinations; whereas, the unaudited results of operations prior to the September 15, 2021 reverse recapitalization are those of Legacy Archaea, the accounting acquirer.

The Company has determined that Opco is a VIE and the Company is the primary beneficiary. Therefore, the Company consolidates Opco, and ownership interests of Opco not owned by the Company are reflected as redeemable noncontrolling interests due to certain features of the redemption right. See “Note 15 - Redeemable and Nonredeemable Noncontrolling Interest and Stockholders’ Equity.” Entities that are majority-owned by Opco are consolidated. Certain investments in entities are accounted for as equity method investments and included separately in the Company’s consolidated balance sheets.

The Company has determined that the Lightning JV is a VIE and the Company is the primary beneficiary; therefore, the Company consolidates the Lightning JV. The ownership interests of the Lightning JV not owned by the Company are reflected as nonredeemable noncontrolling interests. See “Note 4 - Business Combinations and Reverse Recapitalization.”

All intercompany balances and transactions have been eliminated.

Use of Estimates

The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses, as well as contingent assets and liabilities. The estimates and assumptions used in the accompanying financial statements are based upon management’s evaluation of the relevant facts and circumstances as of the date of the financial statements. Actual results may differ from the estimates and assumptions used in preparing the accompanying consolidated financial statements.

Revenue Recognition

The Company generates revenues from the production and sales of RNG, Power, and associated Environmental Attributes, as well as from the performance of other landfill energy operations and maintenance (“O&M”) services and construction management (“EPC”) services. The Company also manufactures and sells customized pollution control equipment and performs associated maintenance agreement services. Prior to the January 1, 2022 adoption of ASC 842 - Leases as discussed in “Note 3 - Recently Issued and Adopted Accounting Standards,” a portion of the Company’s revenue was accounted for under ASC 840 - Leases and a portion under ASC 606 - Revenue from Contracts with Customers based on requirements of GAAP. Under ASC 840, lease revenue is recognized generally upon delivery of RNG and electricity. Under ASC 606, revenue is recognized when (or as) the Company satisfies its performance obligation(s) under the contract by transferring the promised product or service either when (or as) its customer obtains control of the product or service, including RNG, electricity and their related Environmental Attributes. A performance obligation is a promise in a contract to transfer a distinct product or service to a customer. A contract’s transaction price is allocated to each distinct performance obligation. Revenue is measured as the amount of consideration the Company expects to receive in exchange for transferring its products or services. Based on the terms of the related sales agreements, the amounts recorded under ASC 840 as lease revenue are generally consistent with revenue recognized under ASC 606. After the January 1, 2022 adoption of ASC 842, revenue is accounted for solely under ASC 606 as our facilities no longer meet the definition of leased assets under ASC 842.

Business Combinations

For business combinations that meet the accounting definition of a business, the Company determines and allocates the purchase price of an acquired company to the tangible and intangible assets acquired, the liabilities assumed, and noncontrolling interest, if applicable, as of the date of acquisition at fair value. Fair value may be estimated using comparable market data, a discounted cash flow method, or a combination of the two. In the discounted cash flow method, estimated future cash flows are based on management’s expectations for the future and can include estimates of future biogas production, commodity prices, operating and development costs, and a risk-adjusted discount rate. Revenues and costs of the acquired companies are included in the Company’s operating results from the date of acquisition.

The Company uses its best estimates and assumptions as part of the purchase price allocation process to accurately value assets acquired and liabilities assumed at the acquisition date, and these estimates and assumptions are inherently uncertain and subject to refinement during the measurement period not to exceed one year from the acquisition date. As a result, any adjustment identified subsequent to the measurement period is included in operating results in the period in which the amount is determined. The Company’s acquisitions are discussed in “Note 4 - Business Combinations and Reverse Recapitalization.”

Aria Energy LLC

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Summary of Significant Accounting Policies - Predecessor

Summary of Significant Accounting Policies - Predecessor

Basis of Presentation

The consolidated financial statements of Aria have been prepared on the basis of United States generally accepted accounting principles (“GAAP”).

Use of Estimates

The preparation of the consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect amounts reported in the consolidated financial statements. Actual results could differ from those estimates.

Revenue Recognition

Aria generates revenue from the production and sale of electricity, gas, and their related Environmental Attributes, and performance of other landfill energy services. Based on requirements of GAAP, a portion of revenue is accounted for under ASC 840, Leases, and a portion under ASC 606, Revenue from Contracts with Customers. Under ASC 840, revenue is recognized generally upon delivery of electricity, gas, and their related Environmental Attributes. Under ASC 606, revenue is recognized upon the transfer of control of promised goods or services to the customer in an amount that reflects the consideration to which is expected to be entitled in exchange for those goods or services. Based on the terms of the Power Purchase Agreements, the amounts recorded under ASC 840 are generally consistent with revenue recognized under ASC 606. For the year-to-date period ended September 14, 2021, approximately 36% of revenue was accounted for under ASC 606 and 64% under ASC 840.

The following tables display Aria’s revenue by major source and by operating segment for the periods July 1 to September 14, 2021 and January 1 to September 14, 2021:

(in thousands)	July 1 to September 14, 2021		January 1 to September 14, 2021
RNG, including RINs and LCFS credits	$	28,125	$	83,848
RNG O&M service	268		974
Power, including RECs	6,591		31,217
Power O&M service	781		4,211
Other	8		32
Total	$	35,773	$	120,282
Operating segments
RNG	$	28,402	$	84,853
Power	7,371		35,429
Total	$	35,773	$	120,282

Held for Sale

During 2020, Aria enacted a plan to sell LES Project Holdings LLC (“LESPH”), and accordingly, the business was classified as held for sale. An agreement to sell the membership interests of the business subsequently was executed on March 1, 2021. The sale of LESPH was completed on June 10, 2021. Proceeds from the sale were $58.5 million and were sent to the lenders of the LESPH debt, and Aria was released from its obligations under the LESPH debt. A gain on the extinguishment of debt in the amount of $61.4 million was recorded in conjunction with the sale, which accounts for the proceeds received, the debt and interest payable relieved and settlement of LESPH intercompany balances, and Aria recorded an ordinary gain on sale of assets in the amount of $1.3 million.

The pre-tax net earnings associated with LESPH included in Aria’s consolidated statement of operations were $0.5 million for the period July 1 to September 14, 2021 and $67.6 million for the year-to-date period ended September 14, 2021

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Equity Method Investments - Predecessor

9 Months Ended

Sep. 30, 2022

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Equity Method Investments - Predecessor

NOTE 7 – Equity Method Investments

As a result of the Aria Merger, the Company holds 50% interest in two joint ventures, Mavrix, LLC (“Mavrix”) and Sunshine Gas Producers, LLC (“SGP”), which are accounted for using the equity method due to the joint control by both the Company and unrelated parties with ownership interest in each entity.

Under the terms of the original Mavrix, LLC Contribution Agreement dated September 30, 2017, the Company is required to make an earn-out payment to its joint venture partner holding the other 50% membership in Mavrix in an amount up to $9.55 million. The earn-out payment represents additional consideration for the Company’s equity interest in Mavrix and is based on the performance of certain projects owned by Mavrix through the earn-out period, which ended September 30, 2022. In February 2022, the Mavrix, LLC Contribution Agreement was amended to exclude certain upgrade and optimization capital expenditures incurred for one specific project from the earn-out calculation and to add a maintenance expenditure cap. In September 2022, the Mavrix, LLC Contribution Agreement was amended a second time to exclude optimization capital expenditures for an additional project and clarify inclusion of certain control room capital expenditures for the final earn-out calculation. Based on the amended terms, the Company has accrued a liability of $7.9 million related to the earn-out payment as of September 30, 2022, and this amount is reflected in the accompanying balance sheet in accrued and other current liabilities. The calculated earn-out amount has been agreed to by the joint venture partner and is expected to be paid in the first quarter of 2023.

The summarized financial information for the Mavrix and SGP equity method investments is as follows: 

(in thousands)	September 30, 2022		December 31, 2021
Assets	$	232,762	$	203,864
Liabilities	58,463		15,477
Net assets	$	174,299	$	188,387
Company’s share of equity in net assets	$	87,150	$	94,194

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2022		2021		2022		2021
Total revenues	$	28,960	$	4,786	$	80,985	$	4,786
Net income	$	11,333	$	2,259	$	29,769	$	2,259
Company’s share of net income	$	5,666	$	1,130	$	14,885	$	1,130

The Company’s carrying values of the Mavrix and SGP investments also include basis differences totaling $151.4 million as of September 30, 2022 primarily as a result of the fair value measurements recorded as part of the Aria Merger. Amortization of the basis differences reduced equity investment income by $2.6 million and $7.7 million for the three and nine months ended September 30, 2022, respectively, and $0.4 million for both the three and nine months ended September 30, 2021.

On December 30, 2021, the Company entered into a new joint venture. The Company contributed $7.5 million in cash in 2021 into this newly created entity, Saturn Renewables LLC ("Saturn"), in exchange for a 50% interest, and the joint venture acquired gas rights at two landfill sites to develop RNG facilities. The Company is the operator of Saturn’s day-to-day operations and accounts for its investment in Saturn using the equity method. The Company has contributed an additional $8.0 million to the Saturn joint venture during the nine months ended September 30, 2022, and the carrying value of Saturn was $15.5 million as of September 30, 2022.

In addition, the Company also owns several smaller investments accounted for using the equity method of accounting totaling $7.0 million and $7.1 million as of September 30, 2022 and December 31, 2021, respectively

Aria Energy LLC

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Equity Method Investments - Predecessor

Equity Method Investments - Predecessor

Aria holds 50% interests in two joint ventures accounted for using the equity method – Mavrix and Sunshine Gas Producers, LLC. Prior to the sale of LESPH in June 2021, Aria also held 50% interests in the following four joint ventures: Riverview Energy Systems, LLC, Adrian Energy Systems, LLC, Salem Energy Systems, LLC, and Salt Lake Energy Systems LLC.

Under the terms of the Mavrix, LLC Contribution Agreement dated September 30, 2017, Aria is required to make an earn-out payment to its joint venture partner holding the other 50% membership (in Mavrix) in an amount up to $9.55 million. As defined in the Contribution Agreement, the payment represents additional consideration for Aria’s equity interest in Mavrix, and the earn-out payment will be based on the performance of certain projects owned by Mavrix through the earn-out period which ends September 30, 2022. No earn-out payment is made until after the end of the earn-out period. Aria has estimated the earn-out payment to be $1.7 million at September 14, 2021 and has recorded the amount in other long-term liabilities.

Summary information on the equity method investments is as follows:

(in thousands)	July 1 to September 14, 2021		January 1 to September 14, 2021
Revenue	$	25,223	$	78,125
Net income	$	13,237	$	38,512
Aria’s share of net income	$	6,451	$	19,777

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Derivative Instruments - Predecessor

9 Months Ended

Sep. 30, 2022

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Derivative Instruments - Predecessor

NOTE 13 – Derivative Instruments

Warrant Liabilities

In June and September 2022, a total of 1,635,936 Private Placement Warrants were exercised on cashless basis at an exercise price of $11.50 per share in exchange for a total of 695,124 shares of Class A Common Stock. As of September 30, 2022, 5,135,064 Private Placement Warrants remain outstanding, and each is exercisable to purchase one share of Class A Common Stock or, in certain circumstances, one Class A Opco Unit and corresponding share of Class B Common Stock. The Private Placement Warrants expire on September 15, 2026, or earlier upon redemption or liquidation. Private Placement Warrants are nonredeemable so long as they are held by the initial purchasers or their permitted transferees. The outstanding Private Placement Warrants continue to be held by the initial purchasers or their permitted transferees as of September 30, 2022. See “Note 21 - Subsequent Events” for the effects of the Merger on the Private Placement Warrants.

The Private Placement Warrants contain exercise and settlement features that preclude them from being classified within stockholders’ equity, and therefore are recognized as derivative liabilities. The Company recognizes the warrant instruments as liabilities at fair value with changes in fair value included within gain (loss) on warrants and derivative contracts in the Company’s consolidated statements of operations. Derivative warrant liabilities are classified as non-current liabilities as their liquidation is not reasonably expected to require the use of current assets or require the creation of current liabilities.

The fair value of the Private Placement Warrants is estimated using the Black-Scholes option pricing model (a Level 3 measurement).

The Company used the following assumptions to estimate the fair value of the Private Placement Warrants:

	September 30, 2022			December 31, 2021
Stock price	$	18.01		$	18.28
Exercise price	$	11.50		$	11.50
Volatility	51.0		%	46.0		%
Expected term (in years)	4.0			4.7
Risk-free interest rate	4.1		%	1.2		%

The change in the fair value of the warrant liabilities is recognized in gain (loss) on warrants and derivative contracts in the consolidated statement of operations. The changes in the warrant liabilities for the nine months ended September 30, 2022 are as follows:

(in thousands)
Warrant liabilities as of December 31, 2021	$	67,290
Change in fair value	(2,306)
Less fair value of warrants exercised	(11,836)
Warrant liabilities as of September 30, 2022	$	53,148

Natural Gas Swap

In conjunction with the Business Combinations, the Company assumed a natural gas variable to fixed priced swap agreement entered into by Aria. The Company is the fixed price payer under the swap agreement that provides for monthly net settlements through the termination date of June 30, 2023. The agreement was intended to manage the risk associated with changing commodity prices. The agreement has a remaining notional of 163,800 MMBtu as of September 30, 2022.

Changes in the fair values and realized gains (losses) for the natural gas swap are recognized in gain (loss) on warrants and derivative contracts in the consolidated statement of operations. Valuation of the natural gas swap was calculated by discounting future net cash flows that were based on a forward price curve for natural gas over the remaining life of the contract (a Level 2 measurement), with an adjustment for each counterparty’s credit rate risk.

Interest Rate Swap

In December 2021, the Company entered into an interest rate swap (the “2021 Swap”) with a three-year term for a notional amount beginning at $109.3 million and declining over the term. The 2021 Swap locked in payments of a fixed interest rate of 1.094% in exchange for a floating interest rate that resets monthly based on LIBOR. As discussed in “Note 10 - Debt,” the Company amended its Revolving Credit and Term Loan Agreement to increase the Term Loan commitment to $400 million on June 30, 2022. The 2021 Swap was terminated effective September 16, 2022 as it no longer met the requirements of the amended Revolving Credit and Term Loan Agreement, and the Company received a termination payment of $6.3 million to settle the fair value of the related derivative asset at the termination date. Concurrently, the Company entered into a new interest rate swap (the “2022 Swap”) with a three-year term for a notional amount beginning at $198.8 million as of September 1, 2022 and declining over the term to $171.3 million at the termination date. The 2022 Swap locked in payments of a fixed interest rate of 3.774% in exchange for a floating interest rate that resets monthly based on SOFR.

The 2021 Swap and 2022 Swap are not designated as hedging instruments, and net gains and losses are recognized currently in gain (loss) on warrants and derivative contracts.

The following summarizes the balance sheet classification and fair value of the Company’s derivative instruments as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022		December 31, 2021
Prepaid expenses and other current assets
Natural gas swap asset	$	274	$	—
Interest rate swap asset	852		—
Other non-current assets
Interest rate swap asset	736		439
Total derivative assets	$	1,862	$	439
Accrued and other current liabilities
Natural gas swap liability	$	34	$	44
Interest rate swap liability	368		727
Derivative liabilities
Natural gas swap liability	—		134
Interest rate swap liability	201		—
Warrant liabilities	53,148		67,290
Total derivative liabilities	$	53,751	$	68,195

The following table summarizes the income statement effect of gains and losses related to warrants and derivative instruments for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2022		2021		2022		2021
Gain (loss) on natural gas swap contract	$	287	$	64	$	857	$	64
Gain (loss) on interest rate swap contract	2,806		—		7,412		—
Gain (loss) on warrant liabilities	(10,698)		(10,477)		2,306		(10,477)
Total	$	(7,605)	$	(10,413)	$	10,575	$	(10,413)

Aria Energy LLC

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Derivative Instruments - Predecessor

Derivative Instruments - Predecessor

Aria was exposed to certain risks in the normal course of its business operations. The main risks are those relating to the variability of future earnings and cash flows – e.g., market risks, which are managed through the use of derivative instruments. All derivative financial instruments are reported in the consolidated balance sheets at fair value, unless they meet the normal purchase normal sale criteria and are designated and documented as such.

Aria has a natural gas variable to fixed-priced swap agreement which provides for a fixed to variable rate swap calculated monthly, until the termination date of the contract, June 30, 2023. The agreement was intended to manage the risk associated with changing commodity prices. Changes in the fair values of natural gas swap are recognized in gain (loss) on derivative contracts and realized losses are recognized as a component of cost of energy expense as summarized in the table below.

Valuation of the natural gas swap was calculated by discounting future net cash flows that were based on a forward price curve for natural gas over the life of the contract (a Level 2 measurement), with an adjustment for each counterparty's credit rate risk.

On April 6, 2020, Aria entered into an interest rate cap with a total notional amount of $110 million and an effective date of April 30, 2020. The cap agreement provides a fixed cap rate of 1.00% per annum related to the one-month LIBOR and has a termination date of May 31, 2022. The market value at September 14, 2021 was valued at zero and all associated fees with this transaction were recorded.

(in thousands)	July 1 to September 14, 2021		January 1 to September 14, 2021
Natural gas swap - unrealized gain	$	574	$	1,129

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Benefit Plans - Predecessor

9 Months Ended

Sep. 30, 2022

Aria Energy LLC

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Benefit Plans - Predecessor

Benefit Plans - Predecessor

401(k) Plan

Aria maintains a qualified tax deferred 401(k) retirement plan (the “Aria Plan”). Under the provisions of the Aria Plan, substantially all employees meeting minimum age and service requirements are entitled to contribute on a before and after-tax basis a certain percentage of their compensation. Aria matches up to 100% of employees’ first 3% contribution and 50% of the employees’ next 2% contribution. Employees vest immediately in their contributions and Aria’s contribution.

Postretirement Obligations

Aria sponsors an unfunded defined benefit health care plan that provides postretirement medical benefits to certain full-time employees who meet minimum age and service requirements.

Net periodic benefit cost recognized in the consolidated statements of comprehensive income was as follows:

(in thousands)	July 1 to September 14, 2021		January 1 to September 14, 2021
Service cost	$	8	$	27
Interest cost	19		64
Amortization of prior service cost	2		8
Recognition of net actuarial loss	17		57
Net periodic benefit cost	$	46	$	156

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Related Party Transactions - Predecessor

9 Months Ended

Sep. 30, 2022

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Related Party Transactions - Predecessor

NOTE 20 – Related Party Transactions

Assai Energy, LLC (“Assai”) (a wholly owned subsidiary of the Company) entered into a construction service and project guarantee agreement with Noble Environmental Specialty Services, LLC (“NESS”) (a wholly owned subsidiary of Noble). This agreement is considered to be a related party transaction due to the owners of NESS also being certain officers of the Company. NESS was responsible for constructing an RNG plant located at the Keystone Landfill, near Scranton, PA. The total contract price for the EPC contract is $19.9 million, which has been fully paid. The Company also reimbursed NESS $6.7 million for costs outside the EPC contract related to additional capital costs for the Assai project. NESS billed an additional $4.2 million in capital project change orders and associated labor costs, and this amount has been capitalized to property, plant and equipment and is included in accounts payable - trade as of September 30, 2022.

The Company provides O&M and construction services for facilities owned by certain of its joint ventures and recognized associated revenues of $1.7 million and $2.7 million for the three and nine months ended September 30, 2022, respectively. As of September 30, 2022, the Company had related party balances with certain of its joint ventures including a receivable of $0.6 million.

In 2020, the Company entered into Master Services Agreement and Development and Marketing Agreement with Lutum Technologies LLC (“Lutum”), a joint venture with 20% ownership by the Company. The Company has paid zero and $0.7 million to Lutum for the three and nine months ended September 30, 2022, respectively.

Aria Energy LLC

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Related Party Transactions - Predecessor

Related Party Transactions - Predecessor

Sales are made to and services are purchased from entities and individuals affiliated through common ownership. Aria provides O&M services and administration and accounting services to their 50% owned joint ventures.

The following is a summary of transactions with these related parties:

(in thousands)	July 1 to September 14, 2021		January 1 to September 14, 2021
Sales of construction services	$	8	$	32
Sales of operations and maintenance services	$	214	$	1,215
Sales of administrative and other services	$	25	$	221

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Segment Reporting - Predecessor

9 Months Ended

Sep. 30, 2022

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Segment Reporting - Predecessor

NOTE 19 – Segment Information

The Company’s two reporting segments for the three and nine months ended September 30, 2022 and 2021 are RNG and Power. The Company’s chief operating decision maker evaluates the performance of its segments based on operational measures including revenues, net income and EBITDA.

The following summarizes selected financial information for the Company’s reporting segments:

(in thousands)	RNG		Power		Corporate and Other		Total
Three months ended September 30, 2022
Revenue and other income	$	73,857	$	27,366	$	3,770	$	104,993
Intersegment revenue	—		1,161		(1,161)		—
Total revenue and other income	73,857		28,527		2,609		104,993
Equity investment income, net	2,547		398		—		2,945
Net income (loss)	17,762		3,249		(45,246)		(24,235)
Interest expense	1,454		—		9,121		10,575
Depreciation, amortization and accretion	11,104		5,602		266		16,972
Income tax expense	5		6		46		57
EBITDA	$	30,325	$	8,857	$	(35,813)	$	3,369
Nine months ended September 30, 2022
Revenue and other income	$	171,480	$	59,307	$	8,322	$	239,109
Intersegment revenue	—		3,938		(3,938)		—
Total revenue and other income	171,480		63,245		4,384		239,109
Equity investment income, net	6,091		976		—		7,067
Net income (loss)	42,188		6,523		(73,494)		(24,783)
Interest expense	3,448		—		13,493		16,941
Depreciation, amortization and accretion	31,178		11,333		680		43,191
Income tax expense	5		6		175		186
EBITDA	$	76,819	$	17,862	$	(59,146)	$	35,535
September 30, 2022
Goodwill	$	47,833	$	—	$	—	$	47,833
Three months ended September 30, 2021
Revenue and other income	$	5,963	$	5,158	$	865	$	11,986
Intersegment revenue	—		12		(12)		—
Total revenue and other income	5,963		5,170		853		11,986
Net income (loss)	28		(320)		(23,885)		(24,177)
Interest expense	(18)		—		1,604		1,586
Depreciation, amortization and accretion	1,906		1,204		32		3,142
EBITDA	$	1,916	$	884	$	(22,249)	$	(19,449)
Nine months ended September 30, 2021
Revenue and other income	$	6,785	$	7,395	$	4,588	$	18,768
Intersegment revenue	—		12		(12)		—
Total revenue and other income	6,785		7,407		4,576		18,768
Net income (loss)	(1,538)		(2,150)		(30,918)		(34,606)
Interest expense	2		—		1,604		1,606
Depreciation, amortization and accretion	2,121		1,834		122		4,077
EBITDA	$	585	$	(316)	$	(29,192)	$	(28,923)
December 31, 2021
Goodwill	$	29,211	$	—	$	—	$	29,211

Aria Energy LLC

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Segment Reporting - Predecessor

Segment Reporting - Predecessor

(in thousands)	RNG		Power		Corporate and Other		Total
For the period July 1 to September 14, 2021
Total revenue and other income	$	27,668	$	9,127	$	(1,807)	$	34,988
Net income (loss)	20,293		1,505		(22,332)		(534)
Depreciation, amortization and accretion	1,888		2,739		7		4,634
Interest expense	—		—		2,053		2,053
EBITDA	$	22,181	$	4,244	$	(20,272)	$	6,153
For the year-to-date period ended September 14, 2021
Total Revenue and other income	$	82,338	$	37,058	$	(1,807)	$	117,589
Net income (loss)	59,066		66,431		(40,977)		84,520
Depreciation, amortization and accretion	6,447		9,467		34		15,948
Interest expense	—		—		10,729		10,729
EBITDA	$	65,513	$	75,898	$	(30,214)	$	111,197

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Basis of Presentation and Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2022

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

These unaudited, interim, consolidated financial statements and notes are prepared in accordance with GAAP for interim reporting and in accordance with the rules and regulations of the SEC. These unaudited interim financial statements reflect all adjustments that are, in the opinion of management, necessary to present fairly the results for the interim periods presented. The Company’s accounting policies conform to GAAP and have been consistently applied in the presentation of financial statements. The Company’s consolidated financial statements include all wholly-owned subsidiaries and all VIEs with respect to which the Company determined it is the primary beneficiary. Certain information and disclosures normally included in annual financial statements prepared in accordance with GAAP have been condensed or omitted. Accordingly, these unaudited consolidated financial statements should be read in conjunction with the Company’s audited financial statements included in the 2021 Annual Report.

The Archaea Merger with RAC was accounted for as a reverse recapitalization with Legacy Archaea deemed the accounting acquirer, and therefore, there was no step-up to fair value of any RAC assets or liabilities and no goodwill or other intangible assets were recorded. The Aria Merger was accounted for using the acquisition method of accounting with Aria deemed to be the acquiree for accounting purposes. The Company also determined that Aria is the Company’s predecessor and therefore has included the historical financial statements of Aria as predecessor beginning on page 36.

Principles of Consolidation

Principles of Consolidation

As the Company completed its Business Combinations on September 15, 2021, these unaudited consolidated financial statements for the three and nine months ended September 30, 2022 and as of December 31, 2021 include the assets, liabilities and results of operations of the combined results of the businesses of Legacy Archaea and Aria as operated by the Company after the Business Combinations; whereas, the unaudited results of operations prior to the September 15, 2021 reverse recapitalization are those of Legacy Archaea, the accounting acquirer.

The Company has determined that Opco is a VIE and the Company is the primary beneficiary. Therefore, the Company consolidates Opco, and ownership interests of Opco not owned by the Company are reflected as redeemable noncontrolling interests due to certain features of the redemption right. See “Note 15 - Redeemable and Nonredeemable Noncontrolling Interest and Stockholders’ Equity.” Entities that are majority-owned by Opco are consolidated. Certain investments in entities are accounted for as equity method investments and included separately in the Company’s consolidated balance sheets.

The Company has determined that the Lightning JV is a VIE and the Company is the primary beneficiary; therefore, the Company consolidates the Lightning JV. The ownership interests of the Lightning JV not owned by the Company are reflected as nonredeemable noncontrolling interests.

Use of Estimates

Use of Estimates

The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses, as well as contingent assets and liabilities. The estimates and assumptions used in the accompanying financial statements are based upon management’s evaluation of the relevant facts and circumstances as of the date of the financial statements. Actual results may differ from the estimates and assumptions used in preparing the accompanying consolidated financial statements.

Revenue Recognition

Revenue RecognitionThe Company generates revenues from the production and sales of RNG, Power, and associated Environmental Attributes, as well as from the performance of other landfill energy operations and maintenance (“O&M”) services and construction management (“EPC”) services. The Company also manufactures and sells customized pollution control equipment and performs associated maintenance agreement services. Prior to the January 1, 2022 adoption of ASC 842 - Leases as discussed in “Note 3 - Recently Issued and Adopted Accounting Standards,” a portion of the Company’s revenue was accounted for under ASC 840 - Leases and a portion under ASC 606 - Revenue from Contracts with Customers based on requirements of GAAP. Under ASC 840, lease revenue is recognized generally upon delivery of RNG and electricity. Under ASC 606, revenue is recognized when (or as) the Company satisfies its performance obligation(s) under the contract by transferring the promised product or service either when (or as) its customer obtains control of the product or service, including RNG, electricity and their related Environmental Attributes. A performance obligation is a promise in a contract to transfer a distinct product or service to a customer. A contract’s transaction price is allocated to each distinct performance obligation. Revenue is measured as the amount of consideration the Company expects to receive in exchange for transferring its products or services. Based on the terms of the related sales agreements, the amounts recorded under ASC 840 as lease revenue are generally consistent with revenue recognized under ASC 606. After the January 1, 2022 adoption of ASC 842, revenue is accounted for solely under ASC 606 as our facilities no longer meet the definition of leased assets under ASC 842.

Business Combinations

Business Combinations

For business combinations that meet the accounting definition of a business, the Company determines and allocates the purchase price of an acquired company to the tangible and intangible assets acquired, the liabilities assumed, and noncontrolling interest, if applicable, as of the date of acquisition at fair value. Fair value may be estimated using comparable market data, a discounted cash flow method, or a combination of the two. In the discounted cash flow method, estimated future cash flows are based on management’s expectations for the future and can include estimates of future biogas production, commodity prices, operating and development costs, and a risk-adjusted discount rate. Revenues and costs of the acquired companies are included in the Company’s operating results from the date of acquisition.

The Company uses its best estimates and assumptions as part of the purchase price allocation process to accurately value assets acquired and liabilities assumed at the acquisition date, and these estimates and assumptions are inherently uncertain and subject to refinement during the measurement period not to exceed one year from the acquisition date. As a result, any adjustment identified subsequent to the measurement period is included in operating results in the period in which the amount is determined. The Company’s acquisitions are discussed in “Note 4 - Business Combinations and Reverse Recapitalization.”

Recently Issued and Adopted Accounting Standards

NOTE 3 – Recently Issued and Adopted Accounting Standards

In February 2016, the Financial Accounting Standards Board (the “FASB”) issued Accounting Standards Update (“ASU”) No. 2016-02, Leases (Topic 842), to increase transparency and comparability among organizations by recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about leasing arrangements. The main difference between previous generally accepted accounting principles and the new requirements under Topic 842 is the recognition of lease assets and lease liabilities by lessees for those leases with a term greater than 12 months classified as operating leases under previous GAAP.

Upon adoption of Topic 842 as of January 1, 2022, the Company recognized $5.1 million of right-of-use (“ROU”) assets and lease liabilities on its consolidated balance sheet related to operating leases existing on the adoption date. Prior period financial statements were not adjusted. The adoption of Topic 842 did not have a material impact on the Company’s consolidated statement of operations or consolidated statement of cash flows. See “Note 11 - Leases” for additional information.

In October 2021, the FASB issued ASU No. 2021-08, Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers. ASU 2021-08 requires all entities to recognize and measure contract assets and liabilities in a business combination in accordance with Topic 606, Revenue from Contracts with Customers. The guidance aims to improve comparability for revenue contracts with customers by providing consistent recognition and measurement guidance for all revenue contracts with customers. ASU 2021-08 is effective for the Company for fiscal years beginning after December 15, 2022, with early adoption permitted. The Company will adopt this ASU as of January 1, 2023 and does not expect the adoption to have a material impact on its financial condition, results of operations, or cash flows.

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Summary of Significant Accounting Policies - Predecessor (Policies)

9 Months Ended

Sep. 30, 2022

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Basis of Presentation

Basis of Presentation

These unaudited, interim, consolidated financial statements and notes are prepared in accordance with GAAP for interim reporting and in accordance with the rules and regulations of the SEC. These unaudited interim financial statements reflect all adjustments that are, in the opinion of management, necessary to present fairly the results for the interim periods presented. The Company’s accounting policies conform to GAAP and have been consistently applied in the presentation of financial statements. The Company’s consolidated financial statements include all wholly-owned subsidiaries and all VIEs with respect to which the Company determined it is the primary beneficiary. Certain information and disclosures normally included in annual financial statements prepared in accordance with GAAP have been condensed or omitted. Accordingly, these unaudited consolidated financial statements should be read in conjunction with the Company’s audited financial statements included in the 2021 Annual Report.

The Archaea Merger with RAC was accounted for as a reverse recapitalization with Legacy Archaea deemed the accounting acquirer, and therefore, there was no step-up to fair value of any RAC assets or liabilities and no goodwill or other intangible assets were recorded. The Aria Merger was accounted for using the acquisition method of accounting with Aria deemed to be the acquiree for accounting purposes. The Company also determined that Aria is the Company’s predecessor and therefore has included the historical financial statements of Aria as predecessor beginning on page 36.

Use of Estimates

Use of Estimates

The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets, liabilities, revenues and expenses, as well as contingent assets and liabilities. The estimates and assumptions used in the accompanying financial statements are based upon management’s evaluation of the relevant facts and circumstances as of the date of the financial statements. Actual results may differ from the estimates and assumptions used in preparing the accompanying consolidated financial statements.

Revenue Recognition

Revenue RecognitionThe Company generates revenues from the production and sales of RNG, Power, and associated Environmental Attributes, as well as from the performance of other landfill energy operations and maintenance (“O&M”) services and construction management (“EPC”) services. The Company also manufactures and sells customized pollution control equipment and performs associated maintenance agreement services. Prior to the January 1, 2022 adoption of ASC 842 - Leases as discussed in “Note 3 - Recently Issued and Adopted Accounting Standards,” a portion of the Company’s revenue was accounted for under ASC 840 - Leases and a portion under ASC 606 - Revenue from Contracts with Customers based on requirements of GAAP. Under ASC 840, lease revenue is recognized generally upon delivery of RNG and electricity. Under ASC 606, revenue is recognized when (or as) the Company satisfies its performance obligation(s) under the contract by transferring the promised product or service either when (or as) its customer obtains control of the product or service, including RNG, electricity and their related Environmental Attributes. A performance obligation is a promise in a contract to transfer a distinct product or service to a customer. A contract’s transaction price is allocated to each distinct performance obligation. Revenue is measured as the amount of consideration the Company expects to receive in exchange for transferring its products or services. Based on the terms of the related sales agreements, the amounts recorded under ASC 840 as lease revenue are generally consistent with revenue recognized under ASC 606. After the January 1, 2022 adoption of ASC 842, revenue is accounted for solely under ASC 606 as our facilities no longer meet the definition of leased assets under ASC 842.

Aria Energy LLC

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Basis of Presentation

Basis of PresentationThe consolidated financial statements of Aria have been prepared on the basis of United States generally accepted accounting principles (“GAAP”).

Use of Estimates

Use of EstimatesThe preparation of the consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect amounts reported in the consolidated financial statements. Actual results could differ from those estimates.

Revenue Recognition

Revenue Recognition

Aria generates revenue from the production and sale of electricity, gas, and their related Environmental Attributes, and performance of other landfill energy services. Based on requirements of GAAP, a portion of revenue is accounted for under ASC 840, Leases, and a portion under ASC 606, Revenue from Contracts with Customers. Under ASC 840, revenue is recognized generally upon delivery of electricity, gas, and their related Environmental Attributes. Under ASC 606, revenue is recognized upon the transfer of control of promised goods or services to the customer in an amount that reflects the consideration to which is expected to be entitled in exchange for those goods or services. Based on the terms of the Power Purchase Agreements, the amounts recorded under ASC 840 are generally consistent with revenue recognized under ASC 606. For the year-to-date period ended September 14, 2021, approximately 36% of revenue was accounted for under ASC 606 and 64% under ASC 840.

The following tables display Aria’s revenue by major source and by operating segment for the periods July 1 to September 14, 2021 and January 1 to September 14, 2021:

(in thousands)	July 1 to September 14, 2021		January 1 to September 14, 2021
RNG, including RINs and LCFS credits	$	28,125	$	83,848
RNG O&M service	268		974
Power, including RECs	6,591		31,217
Power O&M service	781		4,211
Other	8		32
Total	$	35,773	$	120,282
Operating segments
RNG	$	28,402	$	84,853
Power	7,371		35,429
Total	$	35,773	$	120,282

Held for Sale

Held for Sale

During 2020, Aria enacted a plan to sell LES Project Holdings LLC (“LESPH”), and accordingly, the business was classified as held for sale. An agreement to sell the membership interests of the business subsequently was executed on March 1, 2021. The sale of LESPH was completed on June 10, 2021. Proceeds from the sale were $58.5 million and were sent to the lenders of the LESPH debt, and Aria was released from its obligations under the LESPH debt. A gain on the extinguishment of debt in the amount of $61.4 million was recorded in conjunction with the sale, which accounts for the proceeds received, the debt and interest payable relieved and settlement of LESPH intercompany balances, and Aria recorded an ordinary gain on sale of assets in the amount of $1.3 million.

The pre-tax net earnings associated with LESPH included in Aria’s consolidated statement of operations were $0.5 million for the period July 1 to September 14, 2021 and $67.6 million for the year-to-date period ended September 14, 2021.

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Organization and Description of Business (Tables)

9 Months Ended

Sep. 30, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Investment Holdings, Schedule of Investments

The ownership structure of Opco upon closing of the Business Combinations and as of September 30, 2022, which gives rise to the redeemable noncontrolling interest at Archaea, is as follows:

	September 30, 2022			September 15, 2021
Equity Holder	Class A Opco Units	% Interest		Class A Opco Units	% Interest
Archaea	81,592,637	67.6	%	52,847,195	45.9	%
Total controlling interests	81,592,637	67.6	%	52,847,195	45.9	%
Aria Holders	—	—	%	23,000,000	20.0	%
Legacy Archaea Holders	33,350,385	27.6	%	33,350,385	29.0	%
Sponsor, Atlas and RAC independent directors	5,702,283	4.7	%	5,931,350	5.2	%
Total redeemable noncontrolling interests	39,052,668	32.4	%	62,281,735	54.1	%
Total	120,645,305	100.0	%	115,128,930	100.0	%

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Business Combinations and Reverse Recapitalization (Tables)

9 Months Ended

Sep. 30, 2022

Business Combination and Asset Acquisition [Abstract]

Schedule of Business Acquisitions, by Acquisition

Total consideration was determined to be as follows:

(in thousands)	As of July 15, 2022
Cash consideration	$	221,034
Repayment of INGENCO debt at closing	9,511
Total purchase price consideration	$	230,545

Schedule of Preliminary Allocation of Aria Merger Consideration

The following table sets forth the preliminary allocation of the consideration.

(in thousands)	As of July 15, 2022
Fair value of assets acquired
Cash and cash equivalents	$	919
Account receivable – net	6,028
Prepaid expenses and other current assets	322
Inventory	7,478
Property, plant and equipment, net	41,344
Intangible assets, net	166,700
Operating lease right-of-use assets	916
Other non-current assets	258
Goodwill	17,992
Amount attributable to assets acquired	$	241,957
Fair value of liabilities assumed
Accounts payable	$	2,853
Accrued and other current liabilities	2,042
Below-market contracts	1,140
Long-term operating lease liabilities	715
Other long-term liabilities	4,662
Amount attributable to liabilities assumed	11,412
Net assets acquired	230,545
Total INGENCO acquisition consideration	$	230,545

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

Intangible assets acquired, and their related weighted-average amortization periods, are as follows:

(in thousands)	As of July 15, 2022		Weighted- Average Amortization Period
Biogas rights agreements	$	164,580	17.0 years
Power purchase contracts	$	2,120	7.9 years

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Revenues (Tables)

9 Months Ended

Sep. 30, 2022

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregates Revenue by Significant Product Type

The following table disaggregates revenue by significant product type and operating segment for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2022		2021		2022		2021
Revenue by Product Type
RNG, including RINs and LCFS credits	$	69,976	$	5,525	$	159,859	$	6,346
RNG O&M service (1)	280		110		812		110
Power, including RECs	27,038		5,125		58,796		7,363
Power O&M service (1)	1,083		156		3,061		156
Equipment and associated services	2,567		865		6,589		4,588
Other (1)	1,327		—		1,733		—
Total	$	102,271	$	11,781	$	230,850	$	18,563

Revenue by Operating Segment
RNG	$	70,256	$	5,635	$	160,671	$	6,456
Power	28,121		5,281		61,857		7,519
Corporate and Other	3,894		865		8,322		4,588
Total	$	102,271	$	11,781	$	230,850	$	18,563

_____________________________________________

(1) Includes revenues earned from the Company’s equity method investment joint ventures, see “Note 20 - Related Party Transactions.”

Schedule of Contract Assets and Liabilities

Contract assets and liabilities consisted of the following as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022		December 31, 2021
Contract assets (included in Prepaid expenses and other current assets)	$	1,540	$	87
Contract liabilities (included in Accrued and other current liabilities)	$	(1,457)	$	(505)

Schedule of Revenue Expected to be Recognized on Remaining Performance Obligations Under Sales Contracts

The following table summarizes the revenue the Company expects to recognize over next 21 years on these firm sales contracts as of September 30, 2022:

(in thousands)
Remainder of 2022	$	19,729
2023-2024	262,926
2025-2026	430,193
2027-2028	441,060
2029-2030	434,641
2031-2032	418,453
Thereafter	1,842,870
Total	$	3,849,872

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Property, Plant, and Equipment (Tables)

9 Months Ended

Sep. 30, 2022

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment consist of the following as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022		December 31, 2021
Machinery and equipment	$	362,224	$	285,718
Buildings and improvements	18,064		16,039
Furniture and fixtures	3,296		1,176
Construction in progress (1)	239,223		55,039
Land	585		246
Total cost	623,392		358,218
Less accumulated depreciation	(27,280)		(7,635)
Property, plant and equipment, net	$	596,112	$	350,583

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(1) Includes both acquired long-lead equipment and projects in progress.

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Equity Method Investments (Tables)

9 Months Ended

Sep. 30, 2022

Equity Method Investments and Joint Ventures [Abstract]

Schedule of Equity Method Investments

The summarized financial information for the Mavrix and SGP equity method investments is as follows: 

(in thousands)	September 30, 2022		December 31, 2021
Assets	$	232,762	$	203,864
Liabilities	58,463		15,477
Net assets	$	174,299	$	188,387
Company’s share of equity in net assets	$	87,150	$	94,194

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2022		2021		2022		2021
Total revenues	$	28,960	$	4,786	$	80,985	$	4,786
Net income	$	11,333	$	2,259	$	29,769	$	2,259
Company’s share of net income	$	5,666	$	1,130	$	14,885	$	1,130

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Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

Intangible assets consist of the following as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022
	Gross Carrying Amount		Accumulated Amortization		Net
Biogas rights agreements	$	994,170	$	31,387	$	962,783
Electricity off-take agreements	28,631		3,202		25,429
O&M contracts	8,620		604		8,016
RNG purchase contract	10,290		6,956		3,334
Trade names and customer relationships	500		275		225
Total	$	1,042,211	$	42,424	$	999,787

(in thousands)	December 31, 2021
	Gross Carrying Amount		Accumulated Amortization		Net
Biogas rights agreements	$	603,868	$	8,237	$	595,631
Electricity off-take agreements	26,511		749		25,762
O&M contracts	8,620		173		8,447
RNG purchase contract	10,290		1,959		8,331
Trade names and customer relationships	500		200		300
Total	$	649,789	$	11,318	$	638,471

Schedule of Below-Market Contract Liability

The contracts were recorded at fair value and are classified as other long-term liabilities on the Company’s consolidated balance sheets as of September 30, 2022 and December 31, 2021:

	September 30, 2022
	Gross Liability		Accumulated Amortization		Net
Gas off-take agreements	$	146,990	$	15,490	$	131,500
Power off-take agreement	1,140		14		1,126
Total	$	148,130	$	15,504	$	132,626

	December 31, 2021
	Gross Liability		Accumulated Amortization		Net
Gas off-take agreements	$	146,990	$	4,360	$	142,630

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Accrued and Other Current Liabilities (Tables)

9 Months Ended

Sep. 30, 2022

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities

Accrued and other current liabilities consist of the following as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022		December 31, 2021
Accrued expenses	$	52,244	$	16,638
Accrued capital expenditures	17,509		16,609
Derivative liabilities	402		771
Payroll and related costs	9,817		7,683
Accrued interest	3,827		738
Contract liabilities	1,457		505
Other current liabilities	8,438		3,335
Total	$	93,694	$	46,279

Other Current Liabilities

Accrued and other current liabilities consist of the following as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022		December 31, 2021
Accrued expenses	$	52,244	$	16,638
Accrued capital expenditures	17,509		16,609
Derivative liabilities	402		771
Payroll and related costs	9,817		7,683
Accrued interest	3,827		738
Contract liabilities	1,457		505
Other current liabilities	8,438		3,335
Total	$	93,694	$	46,279

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Debt (Tables)

9 Months Ended

Sep. 30, 2022

Debt Disclosure [Abstract]

Schedule of Outstanding Debt

The Company’s outstanding debt consists of the following as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022		December 31, 2021
Credit Agreement, as amended - Term Loan	$	397,500	$	218,625
Credit Agreement, as amended - Revolver	395,000		—
Wilmington Trust – 4.47% Term Note	60,828		60,828
Wilmington Trust – 3.75% Term Note	68,174		72,542
	921,502		351,995
Less unamortized debt issuance costs	(9,558)		(9,221)
Long-term debt less debt issuance costs	911,944		342,774
Less current maturities, net	(24,120)		(11,378)
Total long-term debt, net	$	887,824	$	331,396

Schedule of Maturities of Long-term Debt

Scheduled future maturities of long-term debt principal amounts are as follows:

(in thousands)
Remainder of 2022	$	6,509
2023	26,108
2024	26,371
2025	26,598
2026	734,357
Thereafter	101,559
Total	$	921,502

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Leases (Tables)

9 Months Ended

Sep. 30, 2022

Leases [Abstract]

Lease, Cost

Supplemental information related to the Company’s ROU assets and related operating lease liabilities were as follows:

(in thousands)	Nine Months Ended September 30, 2022
Operating cash outflows for operating leases	$	1,346
Weighted-average remaining lease term (in years)	7.6
Weighted-average discount rate	5.5		%

Schedule of Future Lease Payments of Operating Leases

As of September 30, 2022, future lease payments under the Company’s operating leases that have commenced are as follows:

(in thousands)
Remainder of 2022	$	365
2023	1,161
2024	1,158
2025	1,149
2026	1,101
Thereafter	3,479
Total future lease payments	8,413
Less portion representing imputed interest	(1,517)
Total operating lease liabilities	$	6,896

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Derivative Instruments (Tables)

9 Months Ended

Sep. 30, 2022

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Assumptions to Estimate the Fair Value

The Company used the following assumptions to estimate the fair value of the Private Placement Warrants:

	September 30, 2022			December 31, 2021
Stock price	$	18.01		$	18.28
Exercise price	$	11.50		$	11.50
Volatility	51.0		%	46.0		%
Expected term (in years)	4.0			4.7
Risk-free interest rate	4.1		%	1.2		%

Schedule of Fair Value of Warrant Liabilities

The change in the fair value of the warrant liabilities is recognized in gain (loss) on warrants and derivative contracts in the consolidated statement of operations. The changes in the warrant liabilities for the nine months ended September 30, 2022 are as follows:

(in thousands)
Warrant liabilities as of December 31, 2021	$	67,290
Change in fair value	(2,306)
Less fair value of warrants exercised	(11,836)
Warrant liabilities as of September 30, 2022	$	53,148

Schedule of Balance Sheet Effect of Fair Value

The following summarizes the balance sheet classification and fair value of the Company’s derivative instruments as of September 30, 2022 and December 31, 2021:

(in thousands)	September 30, 2022		December 31, 2021
Prepaid expenses and other current assets
Natural gas swap asset	$	274	$	—
Interest rate swap asset	852		—
Other non-current assets
Interest rate swap asset	736		439
Total derivative assets	$	1,862	$	439
Accrued and other current liabilities
Natural gas swap liability	$	34	$	44
Interest rate swap liability	368		727
Derivative liabilities
Natural gas swap liability	—		134
Interest rate swap liability	201		—
Warrant liabilities	53,148		67,290
Total derivative liabilities	$	53,751	$	68,195

Schedule of Income Statement Effect of Gains (Losses) Related to Derivative Instruments

The following table summarizes the income statement effect of gains and losses related to warrants and derivative instruments for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2022		2021		2022		2021
Gain (loss) on natural gas swap contract	$	287	$	64	$	857	$	64
Gain (loss) on interest rate swap contract	2,806		—		7,412		—
Gain (loss) on warrant liabilities	(10,698)		(10,477)		2,306		(10,477)
Total	$	(7,605)	$	(10,413)	$	10,575	$	(10,413)

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Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2022

Fair Value Disclosures [Abstract]

Schedule of Fair Value Derivative Liabilities Measured on Recurring Basis

The following table summarizes the outstanding derivative instruments and the fair value hierarchy for the Company’s derivative assets and liabilities that are required to be measured at fair value on a recurring basis:

(in thousands)	Level 1		Level 2		Level 3		Total Fair Value
September 30, 2022
Assets
Natural gas swap	$	—	$	274	$	—	$	274
Interest rate swap	—		1,588		—		1,588
Liabilities
Natural gas swap	$	—	$	34	$	—	$	34
Interest rate swap	—		569		—		569
Warrant liabilities	—		—		53,148		53,148

(in thousands)	Level 1		Level 2		Level 3		Total Fair Value
December 31, 2021
Assets
Interest rate swap	$	—	$	439	$	—	$	439
Liabilities
Natural gas swap	$	—	$	178	$	—	$	178
Interest rate swap	—		727		—		727
Warrant liabilities	—		—		67,290		67,290

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Redeemable and Nonredeemable Noncontrolling Interest and Stockholders’ Equity (Tables)

9 Months Ended

Sep. 30, 2022

Equity [Abstract]

Schedule of Common Stock Issuance and Repurchases

The following is a summary of Class A Common Stock and Class B Common Stock activity for the nine months ended September 30, 2022:

(in shares)	Class A Common Stock	Class B Common Stock
Balance at December 31, 2021	65,122,200	54,338,114
Issued for warrant exercises	695,124	—
Exchange of Class B Common Stock for Class A Common Stock	15,285,446	(15,285,446)
Issued for vested RSUs	317,572	—
Shares issued to vendor	172,295	—
Outstanding at September 30, 2022	81,592,637	39,052,668

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Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2022

Share-Based Payment Arrangement [Abstract]

Schedule of Restricted Stock Units Activity

The table below summarizes RSU activity for the nine months ended September 30, 2022:

	RSUs	Weighted- Average Grant Date Fair Value (per unit)
Outstanding at December 31, 2021	851,020	$	17.23
Granted	926,856	$	20.93
Vested (1)	(627,653)	$	17.18
Forfeited	(180,350)	$	18.51
Outstanding at September 30, 2022	969,873	$	20.57

__________________________________________

(1) Vested RSUs include 129,394 units that were not converted into Class A Common Stock due to net share settlements to cover employee withholding taxes.

The table below summarizes PSU activity for the nine months ended September 30, 2022:

	PSUs	Weighted- Average Grant Date Fair Value (per unit)
Outstanding at December 31, 2021	—	$	—
Granted	376,028	$	26.39
Vested	(4,737)	$	26.84
Forfeited	(18,521)	$	26.84
Outstanding at September 30, 2022	352,770	$	26.36

Schedule of Assumptions to Estimate the Fair Value

The fair value of the ATSR market-based performance objective was determined using Monte Carlo simulations with the following weighted-average assumptions:

Stock price	$	22.44
Volatility	49.0		%
Risk-free interest rate	2.6		%
Grant date fair value per target ATSR PSU	$	28.10

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Net Earnings (Loss) Per Share (Tables)

9 Months Ended

Sep. 30, 2022

Earnings Per Share [Abstract]

Schedule of Reconciliation Between Earnings Per Share, Basic and Diluted

The following provides a reconciliation between basic and diluted EPS attributable to Class A Common Stock for the three and nine months ended September 30, 2022 and 2021.

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands, except per share amounts)	2022		2021		2022		2021
Net income (loss) attributable to Class A Common shares - basic	$	(14,991)	$	(7,011)	$	(11,468)	$	(7,011)
Less gain in fair value of Private Placement Warrants	—		—		(2,306)		—
Net income (loss) attributable to Class A Common shares - diluted	$	(14,991)	$	(7,011)	$	(13,774)	$	(7,011)
Weighted average number of Class A Common shares outstanding - basic	81,045		52,847		76,035		52,847
Effect of dilutive Private Placement Warrants	—		—		2,508		—
Weighted average number of Class A Common shares outstanding - diluted	81,045		52,847		78,543		52,847
Net income (loss) per share of Class A Common Stock
Basic	$	(0.18)	$	(0.13)	$	(0.15)	$	(0.13)
Diluted	$	(0.18)	$	(0.13)	$	(0.18)	$	(0.13)

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Segment Information (Tables)

9 Months Ended

Sep. 30, 2022

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

The following summarizes selected financial information for the Company’s reporting segments:

(in thousands)	RNG		Power		Corporate and Other		Total
Three months ended September 30, 2022
Revenue and other income	$	73,857	$	27,366	$	3,770	$	104,993
Intersegment revenue	—		1,161		(1,161)		—
Total revenue and other income	73,857		28,527		2,609		104,993
Equity investment income, net	2,547		398		—		2,945
Net income (loss)	17,762		3,249		(45,246)		(24,235)
Interest expense	1,454		—		9,121		10,575
Depreciation, amortization and accretion	11,104		5,602		266		16,972
Income tax expense	5		6		46		57
EBITDA	$	30,325	$	8,857	$	(35,813)	$	3,369
Nine months ended September 30, 2022
Revenue and other income	$	171,480	$	59,307	$	8,322	$	239,109
Intersegment revenue	—		3,938		(3,938)		—
Total revenue and other income	171,480		63,245		4,384		239,109
Equity investment income, net	6,091		976		—		7,067
Net income (loss)	42,188		6,523		(73,494)		(24,783)
Interest expense	3,448		—		13,493		16,941
Depreciation, amortization and accretion	31,178		11,333		680		43,191
Income tax expense	5		6		175		186
EBITDA	$	76,819	$	17,862	$	(59,146)	$	35,535
September 30, 2022
Goodwill	$	47,833	$	—	$	—	$	47,833
Three months ended September 30, 2021
Revenue and other income	$	5,963	$	5,158	$	865	$	11,986
Intersegment revenue	—		12		(12)		—
Total revenue and other income	5,963		5,170		853		11,986
Net income (loss)	28		(320)		(23,885)		(24,177)
Interest expense	(18)		—		1,604		1,586
Depreciation, amortization and accretion	1,906		1,204		32		3,142
EBITDA	$	1,916	$	884	$	(22,249)	$	(19,449)
Nine months ended September 30, 2021
Revenue and other income	$	6,785	$	7,395	$	4,588	$	18,768
Intersegment revenue	—		12		(12)		—
Total revenue and other income	6,785		7,407		4,576		18,768
Net income (loss)	(1,538)		(2,150)		(30,918)		(34,606)
Interest expense	2		—		1,604		1,606
Depreciation, amortization and accretion	2,121		1,834		122		4,077
EBITDA	$	585	$	(316)	$	(29,192)	$	(28,923)
December 31, 2021
Goodwill	$	29,211	$	—	$	—	$	29,211

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Summary of Significant Accounting Policies - Predecessor (Tables)

9 Months Ended

Sep. 30, 2022

Aria Energy LLC

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Schedule of Revenue by Major Source

The following tables display Aria’s revenue by major source and by operating segment for the periods July 1 to September 14, 2021 and January 1 to September 14, 2021:

(in thousands)	July 1 to September 14, 2021		January 1 to September 14, 2021
RNG, including RINs and LCFS credits	$	28,125	$	83,848
RNG O&M service	268		974
Power, including RECs	6,591		31,217
Power O&M service	781		4,211
Other	8		32
Total	$	35,773	$	120,282
Operating segments
RNG	$	28,402	$	84,853
Power	7,371		35,429
Total	$	35,773	$	120,282

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Equity Method Investments - Predecessor (Tables)

9 Months Ended

Sep. 30, 2022

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Schedule of Equity Method Investments

The summarized financial information for the Mavrix and SGP equity method investments is as follows: 

(in thousands)	September 30, 2022		December 31, 2021
Assets	$	232,762	$	203,864
Liabilities	58,463		15,477
Net assets	$	174,299	$	188,387
Company’s share of equity in net assets	$	87,150	$	94,194

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2022		2021		2022		2021
Total revenues	$	28,960	$	4,786	$	80,985	$	4,786
Net income	$	11,333	$	2,259	$	29,769	$	2,259
Company’s share of net income	$	5,666	$	1,130	$	14,885	$	1,130

Aria Energy LLC

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Schedule of Equity Method Investments

Summary information on the equity method investments is as follows:

(in thousands)	July 1 to September 14, 2021		January 1 to September 14, 2021
Revenue	$	25,223	$	78,125
Net income	$	13,237	$	38,512
Aria’s share of net income	$	6,451	$	19,777

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Derivative Instruments - Predecessor (Tables)

9 Months Ended

Sep. 30, 2022

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Schedule of Income Statement Effect of Gains (Losses) Related to Derivative Instruments

The following table summarizes the income statement effect of gains and losses related to warrants and derivative instruments for the three and nine months ended September 30, 2022 and 2021:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in thousands)	2022		2021		2022		2021
Gain (loss) on natural gas swap contract	$	287	$	64	$	857	$	64
Gain (loss) on interest rate swap contract	2,806		—		7,412		—
Gain (loss) on warrant liabilities	(10,698)		(10,477)		2,306		(10,477)
Total	$	(7,605)	$	(10,413)	$	10,575	$	(10,413)

Aria Energy LLC

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Schedule of Income Statement Effect of Gains (Losses) Related to Derivative Instruments

(in thousands)	July 1 to September 14, 2021		January 1 to September 14, 2021
Natural gas swap - unrealized gain	$	574	$	1,129

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Benefit Plans - Predecessor (Tables)

9 Months Ended

Sep. 30, 2022

Aria Energy LLC

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Schedule of Net Periodic Benefit Costs Recognized

Net periodic benefit cost recognized in the consolidated statements of comprehensive income was as follows:

(in thousands)	July 1 to September 14, 2021		January 1 to September 14, 2021
Service cost	$	8	$	27
Interest cost	19		64
Amortization of prior service cost	2		8
Recognition of net actuarial loss	17		57
Net periodic benefit cost	$	46	$	156

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Related Party Transactions - Predecessor (Tables)

9 Months Ended

Sep. 30, 2022

Aria Energy LLC

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Schedule of Related Party Transactions

The following is a summary of transactions with these related parties:

(in thousands)	July 1 to September 14, 2021		January 1 to September 14, 2021
Sales of construction services	$	8	$	32
Sales of operations and maintenance services	$	214	$	1,215
Sales of administrative and other services	$	25	$	221

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Segment Reporting - Predecessor (Tables)

9 Months Ended

Sep. 30, 2022

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Schedule of Segment Reporting Information, by Segment

The following summarizes selected financial information for the Company’s reporting segments:

(in thousands)	RNG		Power		Corporate and Other		Total
Three months ended September 30, 2022
Revenue and other income	$	73,857	$	27,366	$	3,770	$	104,993
Intersegment revenue	—		1,161		(1,161)		—
Total revenue and other income	73,857		28,527		2,609		104,993
Equity investment income, net	2,547		398		—		2,945
Net income (loss)	17,762		3,249		(45,246)		(24,235)
Interest expense	1,454		—		9,121		10,575
Depreciation, amortization and accretion	11,104		5,602		266		16,972
Income tax expense	5		6		46		57
EBITDA	$	30,325	$	8,857	$	(35,813)	$	3,369
Nine months ended September 30, 2022
Revenue and other income	$	171,480	$	59,307	$	8,322	$	239,109
Intersegment revenue	—		3,938		(3,938)		—
Total revenue and other income	171,480		63,245		4,384		239,109
Equity investment income, net	6,091		976		—		7,067
Net income (loss)	42,188		6,523		(73,494)		(24,783)
Interest expense	3,448		—		13,493		16,941
Depreciation, amortization and accretion	31,178		11,333		680		43,191
Income tax expense	5		6		175		186
EBITDA	$	76,819	$	17,862	$	(59,146)	$	35,535
September 30, 2022
Goodwill	$	47,833	$	—	$	—	$	47,833
Three months ended September 30, 2021
Revenue and other income	$	5,963	$	5,158	$	865	$	11,986
Intersegment revenue	—		12		(12)		—
Total revenue and other income	5,963		5,170		853		11,986
Net income (loss)	28		(320)		(23,885)		(24,177)
Interest expense	(18)		—		1,604		1,586
Depreciation, amortization and accretion	1,906		1,204		32		3,142
EBITDA	$	1,916	$	884	$	(22,249)	$	(19,449)
Nine months ended September 30, 2021
Revenue and other income	$	6,785	$	7,395	$	4,588	$	18,768
Intersegment revenue	—		12		(12)		—
Total revenue and other income	6,785		7,407		4,576		18,768
Net income (loss)	(1,538)		(2,150)		(30,918)		(34,606)
Interest expense	2		—		1,604		1,606
Depreciation, amortization and accretion	2,121		1,834		122		4,077
EBITDA	$	585	$	(316)	$	(29,192)	$	(28,923)
December 31, 2021
Goodwill	$	29,211	$	—	$	—	$	29,211

Aria Energy LLC

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]

Schedule of Segment Reporting Information, by Segment

(in thousands)	RNG		Power		Corporate and Other		Total
For the period July 1 to September 14, 2021
Total revenue and other income	$	27,668	$	9,127	$	(1,807)	$	34,988
Net income (loss)	20,293		1,505		(22,332)		(534)
Depreciation, amortization and accretion	1,888		2,739		7		4,634
Interest expense	—		—		2,053		2,053
EBITDA	$	22,181	$	4,244	$	(20,272)	$	6,153
For the year-to-date period ended September 14, 2021
Total Revenue and other income	$	82,338	$	37,058	$	(1,807)	$	117,589
Net income (loss)	59,066		66,431		(40,977)		84,520
Depreciation, amortization and accretion	6,447		9,467		34		15,948
Interest expense	—		—		10,729		10,729
EBITDA	$	65,513	$	75,898	$	(30,214)	$	111,197

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Organization and Description of Business - Narrative (Details)	9 Months Ended
	Sep. 30, 2022 facility state landfill	Oct. 16, 2022 $ / shares
Product Information [Line Items]
Number of landfills | landfill	46
Number of states | state	20
Number of non-operational facilities | facility	1
Subsequent Event
Product Information [Line Items]
Warrant exercise price (in usd per share) | $ / shares		$ 11.50
Subsequent Event | Merger Agreement
Product Information [Line Items]
Right to receive per share (in usd per share) | $ / shares		26.00
Warrant exercise price (in usd per share) | $ / shares		$ 11.50
Projects that produce pipeline-quality RNG
Product Information [Line Items]
Number of facilities | facility	13
LFG to electric project
Product Information [Line Items]
Number of facilities | facility	33

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Organization and Description of Business - Schedule of Ownership Structure (Details) - Opco - shares	Sep. 30, 2022	Dec. 31, 2021	Sep. 15, 2021
Class A Opco Units
Investment owned balance (in shares)	120,645,305		115,128,930
% Interest
Controlling and noncontrolling interest, ownership percentage	100.00%		100.00%
Total controlling interests
Class A Opco Units
Investment owned balance (in shares)	81,592,637		52,847,195
% Interest
Noncontrolling interest, ownership percentage by parent	67.60%	54.50%	45.90%
Total controlling interests | Archaea
Class A Opco Units
Investment owned balance (in shares)	81,592,637		52,847,195
% Interest
Noncontrolling interest, ownership percentage by parent	67.60%		45.90%
Total redeemable noncontrolling interests
Class A Opco Units
Investment owned balance (in shares)	39,052,668		62,281,735
% Interest
Noncontrolling interest, ownership percentage	32.40%	45.50%	54.10%
Total redeemable noncontrolling interests | Aria Holders
Class A Opco Units
Investment owned balance (in shares)	0		23,000,000
% Interest
Noncontrolling interest, ownership percentage	0.00%		20.00%
Total redeemable noncontrolling interests | Legacy Archaea Holders
Class A Opco Units
Investment owned balance (in shares)	33,350,385		33,350,385
% Interest
Noncontrolling interest, ownership percentage	27.60%		29.00%
Total redeemable noncontrolling interests | Sponsor, Atlas and RAC independent directors
Class A Opco Units
Investment owned balance (in shares)	5,702,283		5,931,350
% Interest
Noncontrolling interest, ownership percentage	4.70%		5.20%

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Recently Issued and Adopted Accounting Standards (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jan. 01, 2022	Dec. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets	$ 6,639		$ 0
Lease liabilities	$ 6,896
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets		$ 5,100
Lease liabilities		$ 5,100

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Business Combinations and Reverse Recapitalization - Narrative (Details) $ in Thousands				1 Months Ended	2 Months Ended	3 Months Ended		6 Months Ended	8 Months Ended	9 Months Ended
	Jul. 15, 2022 USD ($) landfillGas	Jul. 05, 2022 USD ($)	May 05, 2022 USD ($) project	Sep. 30, 2021 USD ($)	Sep. 14, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Sep. 14, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)
Business Acquisition [Line Items]
Revenues						$ 104,993	$ 11,986			$ 239,109	$ 18,768
Net income				$ (7,067)	$ (8,848)	(24,235)	$ (24,177)		$ (19,278)	(24,783)	$ (34,606)
Number of developing projects | project			39
Capital funding amount		$ 222,500	$ 88,500
Estimated fair value			$ 184,200
Lightning Joint Venture
Business Acquisition [Line Items]
Payments to acquire assets		$ 37,900
Lightning Joint Venture | Variable Interest Entity, Primary Beneficiary
Business Acquisition [Line Items]
Revenues						100				100
Net income						5,000				5,000
Acquisition related costs						$ 5,100				$ 5,500
Lightning Joint Venture
Business Acquisition [Line Items]
Number of developing projects | project			40
Noncontrolling interest, ownership percentage by parent		60.00%
Ownership percentage by noncontrolling owners		40.00%				40.00%				40.00%
NextGen Power Holdings LLC
Business Acquisition [Line Items]
Consideration transferred	$ 230,545
Percentage of voting interests acquired	100.00%
Number of facilities owned | landfillGas	14
Revenues						$ 10,400				$ 10,400
Net income						1,000				1,000
Acquisition related costs						$ 400				$ 3,100
Aria Energy LLC
Business Acquisition [Line Items]
Consideration adjustment								$ (1,900)
Other purchase price adjustment								$ 2,500

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Business Combinations and Reverse Recapitalization - INGENCO Acquisition Consideration (Details) - NextGen Power Holdings LLC $ in Thousands	Jul. 15, 2022 USD ($)
Business Acquisition [Line Items]
Cash consideration	$ 221,034
Repayment of INGENCO debt at closing	9,511
Total purchase price consideration	$ 230,545

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Business Combinations and Reverse Recapitalization - Preliminary Allocation of INGENCO Acquisition (Details) - USD ($) $ in Thousands	Jul. 15, 2022	Sep. 30, 2022	Dec. 31, 2021
Fair value of assets acquired
Goodwill		$ 47,833	$ 29,211
NextGen Power Holdings LLC
Fair value of assets acquired
Cash and cash equivalents	$ 919
Account receivable – net	6,028
Prepaid expenses and other current assets	322
Inventory	7,478
Property, plant and equipment, net	41,344
Intangible assets, net	166,700
Operating lease right-of-use assets	916
Other non-current assets	258
Goodwill	17,992
Amount attributable to assets acquired	241,957
Fair value of liabilities assumed
Accounts payable	2,853
Accrued and other current liabilities	2,042
Below-market contracts	1,140
Long-term operating lease liabilities	715
Other long-term liabilities	4,662
Amount attributable to liabilities assumed	11,412
Net assets acquired	230,545
Total INGENCO acquisition consideration	$ 230,545

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Business Combinations and Reverse Recapitalization - Intangible Assets Acquired (Details) - NextGen Power Holdings LLC $ in Thousands	Jul. 15, 2022 USD ($)
Biogas rights agreements
Asset Acquisition, Contingent Consideration [Line Items]
Identifiable Assets Acquired	$ 164,580
Weighted- Average Amortization Period	17 years
Power purchase contracts
Asset Acquisition, Contingent Consideration [Line Items]
Identifiable Assets Acquired	$ 2,120
Weighted- Average Amortization Period	7 years 10 months 24 days

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Revenues - Disaggregation of Revenue by Product Type (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue from External Customer [Line Items]
Revenue	$ 102,271	$ 11,781	$ 230,850	$ 18,563
RNG
Revenue from External Customer [Line Items]
Revenue	70,256	5,635	160,671	6,456
Power
Revenue from External Customer [Line Items]
Revenue	28,121	5,281	61,857	7,519
Corporate and Other
Revenue from External Customer [Line Items]
Revenue	3,894	865	8,322	4,588
RNG, including RINs and LCFS credits
Revenue from External Customer [Line Items]
Revenue	69,976	5,525	159,859	6,346
RNG O&M service
Revenue from External Customer [Line Items]
Revenue	280	110	812	110
Power, including RECs
Revenue from External Customer [Line Items]
Revenue	27,038	5,125	58,796	7,363
Power O&M service
Revenue from External Customer [Line Items]
Revenue	1,083	156	3,061	156
Equipment and associated services
Revenue from External Customer [Line Items]
Revenue	2,567	865	6,589	4,588
Other
Revenue from External Customer [Line Items]
Revenue	$ 1,327	$ 0	$ 1,733	$ 0

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Revenues - Contract Assets and Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Revenue from Contract with Customer [Abstract]
Contract assets (included in Prepaid expenses and other current assets)	$ 1,540	$ 87
Contract liabilities (included in Accrued and other current liabilities)	$ (1,457)	$ (505)

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Revenues - Narrative (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2022 USD ($)
Revenue from Contract with Customer [Abstract]
Capitalized contract cost	$ 3.7	$ 3.7
Capitalized contract cost, amortization	$ 0.1	$ 0.1

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Revenues -Revenue Expected to be Recognized on Remaining Performance Obligations (Details) $ in Thousands	Sep. 30, 2022 USD ($)
Revenue from External Customer [Line Items]
Remaining performance obligation	$ 3,849,872
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-10-01
Revenue from External Customer [Line Items]
Remaining performance obligation	$ 19,729
Remaining performance obligation term	3 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-01-01
Revenue from External Customer [Line Items]
Remaining performance obligation	$ 262,926
Remaining performance obligation term	2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2025-01-01
Revenue from External Customer [Line Items]
Remaining performance obligation	$ 430,193
Remaining performance obligation term	2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2027-01-01
Revenue from External Customer [Line Items]
Remaining performance obligation	$ 441,060
Remaining performance obligation term	2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2029-01-01
Revenue from External Customer [Line Items]
Remaining performance obligation	$ 434,641
Remaining performance obligation term	2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2031-01-01
Revenue from External Customer [Line Items]
Remaining performance obligation	$ 418,453
Remaining performance obligation term	2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2033-01-01
Revenue from External Customer [Line Items]
Remaining performance obligation	$ 1,842,870
Remaining performance obligation term

XML

Property, Plant, and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 623,392	$ 358,218
Less accumulated depreciation	(27,280)	(7,635)
Property, plant and equipment, net	596,112	350,583
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment	362,224	285,718
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment	18,064	16,039
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property, plant and equipment	3,296	1,176
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment	239,223	55,039
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment	$ 585	$ 246

XML

Equity Method Investments - Narrative (Details) - USD ($) $ in Thousands				3 Months Ended		9 Months Ended
	Jul. 05, 2022	May 05, 2022	Dec. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Sep. 30, 2017
Schedule of Equity Method Investments [Line Items]
Contributions to equity method investments	$ 222,500	$ 88,500
Equity method investments				$ 260,111		$ 260,111		$ 262,738
Mavrix
Schedule of Equity Method Investments [Line Items]
Membership percentage									50.00%
Accrued liabilities				7,900		7,900
Carrying value basis difference				151,400		151,400
Amortization of basis difference				$ 2,600	$ 400	$ 7,700	$ 400
Mavrix | Maximum
Schedule of Equity Method Investments [Line Items]
Earn-out payment obligation									$ 9,550
Mavrix | Two Joint Ventures
Schedule of Equity Method Investments [Line Items]
Interest in joint ventures				50.00%		50.00%
Saturn
Schedule of Equity Method Investments [Line Items]
Contributions to equity method investments			$ 7,500			$ 8,000
Carrying value of joint venture				$ 15,500		15,500
Saturn | Saturn
Schedule of Equity Method Investments [Line Items]
Interest in joint ventures			50.00%
Smaller Investments
Schedule of Equity Method Investments [Line Items]
Equity method investments				$ 7,000		$ 7,000		$ 7,100

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Equity Method Investments - Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Schedule of Equity Method Investments [Line Items]
Assets	$ 2,347,042	$ 1,451,189
Liabilities	1,242,495	620,196
Mavrix and Sunshine Gas Producers
Schedule of Equity Method Investments [Line Items]
Company’s share of equity in net assets	87,150	94,194
Mavrix and Sunshine Gas Producers
Schedule of Equity Method Investments [Line Items]
Assets	232,762	203,864
Liabilities	58,463	15,477
Net assets	$ 174,299	$ 188,387

XML

Equity Method Investments - Income Statement (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Schedule of Equity Method Investments [Line Items]
Total revenues	$ 104,993	$ 11,986	$ 239,109	$ 18,768
Mavrix and Sunshine Gas Producers
Schedule of Equity Method Investments [Line Items]
Total revenues	28,960	4,786	80,985	4,786
Net income	11,333	2,259	29,769	2,259
Company’s share of net income	$ 5,666	$ 1,130	$ 14,885	$ 1,130

XML

Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		8 Months Ended	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 14, 2021	Sep. 30, 2022	Sep. 30, 2021	Jul. 15, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Goodwill	$ 47,833			$ 47,833			$ 29,211
Goodwill impairment				0
Amortization expense	9,600	$ 1,700		26,100	$ 1,800
Amortization of intangibles and below-market contracts	3,700	500		11,100	500
NextGen Power Holdings LLC
Finite-Lived Intangible Assets [Line Items]
Goodwill						$ 17,992
Goodwill increase				18,000
Aria Energy LLC
Finite-Lived Intangible Assets [Line Items]
Goodwill increase				600
Amortization of intangibles and below-market contracts			$ (859)
RNG purchase contract
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 1,700	$ 200		$ 5,000	$ 200

XML

Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 1,042,211	$ 649,789
Accumulated Amortization	42,424	11,318
Net	999,787	638,471
Biogas rights agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	994,170	603,868
Accumulated Amortization	31,387	8,237
Net	962,783	595,631
Electricity off-take agreements
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	28,631	26,511
Accumulated Amortization	3,202	749
Net	25,429	25,762
O&M contracts
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	8,620	8,620
Accumulated Amortization	604	173
Net	8,016	8,447
RNG purchase contract
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	10,290	10,290
Accumulated Amortization	6,956	1,959
Net	3,334	8,331
Trade names and customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	500	500
Accumulated Amortization	275	200
Net	$ 225	$ 300

XML

Goodwill and Intangible Assets - Below-Market Contracts (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross Liability	$ 148,130
Accumulated Amortization	15,504
Net	132,626
Below-Market Contract | Gas off-take agreements
Finite-Lived Intangible Assets [Line Items]
Gross Liability	146,990	$ 146,990
Accumulated Amortization	15,490	4,360
Net	131,500	$ 142,630
Below-Market Contract | Power off-take agreement
Finite-Lived Intangible Assets [Line Items]
Gross Liability	1,140
Accumulated Amortization	14
Net	$ 1,126

XML

Accrued and Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Payables and Accruals [Abstract]
Accrued expenses	$ 52,244	$ 16,638
Accrued capital expenditures	17,509	16,609
Derivative liabilities	402	771
Payroll and related costs	9,817	7,683
Accrued interest	3,827	738
Contract liabilities	1,457	505
Other current liabilities	8,438	3,335
Total	$ 93,694	$ 46,279

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Debt - Narrative (Details) - USD ($)	Jun. 30, 2022	Sep. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Long-term debt outstanding		$ 921,502,000	$ 351,995,000
Estimated fair value of outstanding debt		874,200,000	353,100,000
Amended Facilities
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 1,100,000,000
Increase in credit facility	630,000,000
Line of credit | Revolving credit facility
Debt Instrument [Line Items]
Long-term debt outstanding		$ 395,000,000	0
Line of credit | Credit Agreement | Revolving credit facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 250,000,000
Debt instrument, interest rate		5.46%
Issued letters of credit		$ 26,100,000
Borrowing capacity		278,900,000
Line of credit | Credit Agreement | Revolving credit facility | SOFR
Debt Instrument [Line Items]
Debt instrument, variable interest rate	2.75%
Line of credit | Amended Facilities | Revolving credit facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 700,000,000
Secured debt
Debt Instrument [Line Items]
Long-term debt outstanding		397,500,000	$ 218,625,000
Secured debt | Credit Agreement
Debt Instrument [Line Items]
Debt instrument, principal amount	$ 220,000,000
Long-term debt outstanding		$ 397,500,000
Debt instrument, interest rate		5.88%
Secured debt | Credit Agreement | SOFR
Debt Instrument [Line Items]
Debt instrument, variable interest rate	3.25%
Secured debt | Amended Facilities
Debt Instrument [Line Items]
Debt instrument, principal amount	$ 400,000,000

XML

Debt - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Long-term debt, gross	$ 921,502	$ 351,995
Less unamortized debt issuance costs	(9,558)	(9,221)
Long-term debt less debt issuance costs	911,944	342,774
Less current maturities, net	(24,120)	(11,378)
Total long-term debt, net	887,824	331,396
Secured debt
Debt Instrument [Line Items]
Long-term debt, gross	397,500	218,625
Line of credit | Revolving credit facility
Debt Instrument [Line Items]
Long-term debt, gross	$ 395,000	0
Senior secured notes | Wilmington Trust – 4.47% Term Note
Debt Instrument [Line Items]
Debt instrument, interest rate	4.47%
Long-term debt, gross	$ 60,828	60,828
Senior secured notes | Wilmington Trust – 3.75% Term Note
Debt Instrument [Line Items]
Debt instrument, interest rate	3.75%
Long-term debt, gross	$ 68,174	$ 72,542

XML

Debt - Schedule of Future Maturities of Long-Term Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Debt Disclosure [Abstract]
Remainder of 2022	$ 6,509
2023	26,108
2024	26,371
2025	26,598
2026	734,357
Thereafter	101,559
Total	$ 921,502	$ 351,995

XML

Leases - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Lessee, Lease, Description [Line Items]
Total lease costs	$ 1,000		$ 2,700
Operating lease expense	400		1,100
Short-term operating lease expense	700		1,600
Rent expense		$ 500		$ 900
Lease commitment, not yet commenced	$ 8,100		8,100
Gulf Coast Environmental Systems, LLC ("GCES") | Affiliated Entity
Lessee, Lease, Description [Line Items]
Operating lease expense			$ 70
Rent expense		$ 53		$ 200
Minimum
Lessee, Lease, Description [Line Items]
Lease term	1 year		1 year
Maximum
Lessee, Lease, Description [Line Items]
Lease term	11 years		11 years

XML

Leases - ROU Assets and Operating Lease Liabilities (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2022 USD ($)
Leases [Abstract]
Operating cash outflows for operating leases	$ 1,346
Weighted-average remaining lease term (in years)	7 years 7 months 6 days
Weighted-average discount rate	5.50%

XML

Leases - Future Lease Payments (Details) $ in Thousands	Sep. 30, 2022 USD ($)
Leases [Abstract]
Remainder of 2022	$ 365
2023	1,161
2024	1,158
2025	1,149
2026	1,101
Thereafter	3,479
Total future lease payments	8,413
Less portion representing imputed interest	(1,517)
Total operating lease liabilities	$ 6,896

XML

Derivative Instruments - Narrative (Details)		1 Months Ended			3 Months Ended		9 Months Ended
	Sep. 16, 2022 USD ($)	Sep. 30, 2022 USD ($) $ / shares shares	Jun. 30, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($)	Sep. 30, 2022 USD ($) $ / shares shares	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) MMBTU $ / shares shares	Sep. 30, 2021 USD ($)	Sep. 01, 2022 USD ($)
Class of Warrant or Right [Line Items]
Gain (loss) on warrants and derivative contracts | $					$ (7,605,000)	$ (10,413,000)	$ 10,575,000	$ (10,413,000)
Amended Facilities | Secured debt
Class of Warrant or Right [Line Items]
Debt instrument, principal amount | $			$ 400,000,000
Natural Gas Swap
Class of Warrant or Right [Line Items]
Notional quantity, natural gas variable to fixed price swap agreement (energy) | MMBTU							163,800
Interest rate swap
Class of Warrant or Right [Line Items]
Derivative, term of contract		3 years		3 years
Derivative, notional amount | $		$ 171,300,000		$ 109,300,000	$ 171,300,000		$ 171,300,000		$ 198,800,000
Derivative, fixed interest rate (in percentage)		3.774%		1.094%	3.774%		3.774%
Gain (loss) on warrants and derivative contracts | $	$ 6,300,000
Class A Units
Class of Warrant or Right [Line Items]
Conversion of warrants to common stock (in shares) | shares		695,124	695,124				695,124
Private Placement
Class of Warrant or Right [Line Items]
Warrants exercised on cashless basis (in shares) | shares		1,635,936	1,635,936		1,635,936		1,635,936
Warrant exercise price (in usd per share) | $ / shares		$ 11.50	$ 11.50		$ 11.50		$ 11.50
Warrants outstanding (in shares) | shares		5,135,064			5,135,064		5,135,064
Private Placement | Class A Units
Class of Warrant or Right [Line Items]
Conversion of warrants to common stock (in shares) | shares							1

XML

Derivative Instruments - Estimated Fair Value (Details) - Private Placement	Sep. 30, 2022 $ / shares yr	Dec. 31, 2021 $ / shares yr
Stock price
Class of Warrant or Right [Line Items]
Private Placement Warrants Measurement Inputs	18.01	18.28
Exercise price
Class of Warrant or Right [Line Items]
Private Placement Warrants Measurement Inputs	11.50	11.50
Volatility
Class of Warrant or Right [Line Items]
Private Placement Warrants Measurement Inputs	0.510	0.460
Expected term (in years)
Class of Warrant or Right [Line Items]
Private Placement Warrants Measurement Inputs | yr	4.0	4.7
Risk-free interest rate
Class of Warrant or Right [Line Items]
Private Placement Warrants Measurement Inputs	0.041	0.012

XML

Derivative Instruments - Fair Value of Warrant Liabilities (Details) - Public and Private Placement Warrants $ in Thousands	9 Months Ended
	Sep. 30, 2022 USD ($)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]
Warrant liabilities	$ 67,290
Change in fair value	(2,306)
Less fair value of warrants exercised	(11,836)
Warrant liabilities	$ 53,148

XML

Derivative Instruments - Balance Sheet Classification of Fair Value of Derivative Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Total derivative assets	$ 1,862	$ 439
Accrued and other current liabilities	402	771
Derivative liabilities	53,349	67,424
Total derivative liabilities	53,751	68,195
Natural Gas Swap
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Prepaid expenses and other current assets	274	0
Accrued and other current liabilities	34	44
Derivative liabilities	0	134
Interest rate swap
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Prepaid expenses and other current assets	852	0
Other non-current assets	736	439
Accrued and other current liabilities	368	727
Derivative liabilities	201	0
Warrant
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative liabilities	$ 53,148	$ 67,290

XML

Derivative Instruments - Income Statement Effect of Gains and Losses Related to Derivative Instruments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss) on warrants and derivative contracts	$ (7,605)	$ (10,413)	$ 10,575	$ (10,413)
Natural Gas Swap | Swap Contract
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss) on warrants and derivative contracts	287	64	857	64
Interest rate swap | Swap Contract
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss) on warrants and derivative contracts	2,806	0	7,412	0
Warrant Liability | Warrant
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain (loss) on warrants and derivative contracts	$ (10,698)	$ (10,477)	$ 2,306	$ (10,477)

XML

Fair Value Measurements - Derivative Liabilities Measured on a Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total derivative assets	$ 1,862	$ 439
Total derivative liabilities	53,751	68,195
Fair Value, Recurring | Natural gas swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total derivative assets	274
Total derivative liabilities	34	178
Fair Value, Recurring | Interest rate swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total derivative assets	1,588	439
Total derivative liabilities	569	727
Fair Value, Recurring | Warrant liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total derivative liabilities	53,148	67,290
Level 1 | Fair Value, Recurring | Natural gas swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Before Netting	0
Total Fair Value, Liability	0	0
Level 1 | Fair Value, Recurring | Interest rate swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Before Netting	0	0
Total Fair Value, Liability	0	0
Level 1 | Fair Value, Recurring | Warrant liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Fair Value, Liability	0	0
Level 2 | Fair Value, Recurring | Natural gas swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Before Netting	274
Total Fair Value, Liability	34	178
Level 2 | Fair Value, Recurring | Interest rate swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Before Netting	1,588	439
Total Fair Value, Liability	569	727
Level 2 | Fair Value, Recurring | Warrant liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Fair Value, Liability	0	0
Level 3 | Fair Value, Recurring | Natural gas swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Before Netting	0
Total Fair Value, Liability	0	0
Level 3 | Fair Value, Recurring | Interest rate swap
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Before Netting	0	0
Total Fair Value, Liability	0	0
Level 3 | Fair Value, Recurring | Warrant liabilities
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Fair Value, Liability	$ 53,148	$ 67,290

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Redeemable and Nonredeemable Noncontrolling Interest and Stockholders’ Equity - Narrative (Details) - shares	1 Months Ended	9 Months Ended
	Mar. 31, 2022	Sep. 30, 2022	Jul. 05, 2022	Dec. 31, 2021	Sep. 15, 2021
Class A Units
Class of Stock [Line Items]
Number of shares sold (in shares)	14,942,643
Exchange of Class B Common Stock for Class A Common Stock (in shares)		15,285,446
Class A Units | Conversion of Class B to Class A
Class of Stock [Line Items]
Exchange of Class B Common Stock for Class A Common Stock (in shares)		14,942,643
Class B Units
Class of Stock [Line Items]
Exchange of Class B Common Stock for Class A Common Stock (in shares)		(15,285,446)
Class B Units | Conversion of Class B to Class A
Class of Stock [Line Items]
Exchange of Class B Common Stock for Class A Common Stock (in shares)		(14,942,643)
Opco | Total controlling interests
Class of Stock [Line Items]
Noncontrolling interest, ownership percentage by parent		67.60%		54.50%	45.90%
Opco | Nonredeemable Noncontrolling Interests
Class of Stock [Line Items]
Ownership percentage by noncontrolling owners		32.40%		45.50%	54.10%
Lightning Joint Venture
Class of Stock [Line Items]
Ownership percentage by noncontrolling owners		40.00%	40.00%
Noncontrolling interest, ownership percentage by parent			60.00%

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Redeemable and Nonredeemable Noncontrolling Interest and Stockholders’ Equity - Common Stock Issued and Repurchased (Details) - shares	1 Months Ended			9 Months Ended
	Sep. 30, 2022	Aug. 31, 2022	Jun. 30, 2022	Sep. 30, 2022
RSUs
Common Stock Issued And Repurchased [Roll Forward]
Shares issued to vendor (in shares)				627,653
Class A Units
Common Stock Issued And Repurchased [Roll Forward]
Beginning balance (in shares)				65,122,200
Conversion of warrants to common stock (in shares)	695,124		695,124	695,124
Exchange of Class B Common Stock for Class A Common Stock (in shares)				15,285,446
Issued for vested RSUs (in shares)				317,572
Shares issued to vendor (in shares)		172,295		172,295
Ending balance (in shares)	81,592,637			81,592,637
Class B Units
Common Stock Issued And Repurchased [Roll Forward]
Beginning balance (in shares)				54,338,114
Conversion of warrants to common stock (in shares)				0
Exchange of Class B Common Stock for Class A Common Stock (in shares)				(15,285,446)
Issued for vested RSUs (in shares)				0
Shares issued to vendor (in shares)				0
Ending balance (in shares)	39,052,668			39,052,668

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Share-Based Compensation - Narrative (Details) - USD ($) $ in Millions	1 Months Ended				2 Months Ended	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Aug. 31, 2022	Feb. 28, 2022	Jan. 31, 2022	May 31, 2022	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Omnibus Incentive Plan (the "Plan")
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)	11,300,000					11,300,000		11,300,000
Shares available for future issuance (in shares)	9,400,000					9,400,000		9,400,000
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs granted (in shares)				41,028				926,856
Vesting period								3 years
Number of unvested awards (in shares)			158,583
Incremental share-based compensation expense			$ 2.9
Issuance of fully vested shares (in shares)								627,653
Settlement date fair value		$ 2.9
Share-based compensation expense						$ 3.0	$ 0.5	$ 11.1	$ 0.5
Unrecognized compensation expense	$ 16.6					16.6		$ 16.6
Weighted average expected period of recognition								1 year 6 months
RSUs | Share-Based Payment Arrangement, Employee
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs granted (in shares)								713,533
RSUs | Accrued Liabilities
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Accrued liabilities	$ 5.8					5.8		$ 5.8
RSUs | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting, percentage	5.00%
RSUs | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting, percentage	15.00%
RSUs | Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				1 year
PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs granted (in shares)					376,028			376,028
Vesting period					3 years
Issuance of fully vested shares (in shares)								4,737
Share-based compensation expense						0.9		$ 1.7
Unrecognized compensation expense	$ 7.8					$ 7.8		$ 7.8
Weighted average expected period of recognition								2 years 4 months 24 days
Performance period					3 years
PSUs | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting, percentage					0.00%
PSUs | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting, percentage					200.00%
PSUs | Average Cash Return On Investment
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance payout rate	100.00%					100.00%		100.00%
Series A unit awards | Series A Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense							$ 2.1		$ 2.3

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Share-Based Compensation - Schedule of RSU Activity (Details) - $ / shares	1 Months Ended		2 Months Ended	9 Months Ended
	Aug. 31, 2022	Jan. 31, 2022	May 31, 2022	Sep. 30, 2022
Class A Units
Restricted Stock Units [Roll Forward]
Vested (in shares)	(172,295)			(172,295)
RSUs
Restricted Stock Units [Roll Forward]
Nonvested beginning balance (in shares)		851,020		851,020
Granted (in shares)		41,028		926,856
Vested (in shares)				(627,653)
Forfeited (in shares)				(180,350)
Nonvested ending balance (in shares)				969,873
Weighted Average Grant Date Fair Value [Roll Forward]
Nonvested beginning balance (in USD per share)		$ 17.23		$ 17.23
Granted (in USD per share)				20.93
Vested (in USD per share)				17.18
Forfeited (in USD per share)				18.51
Nonvested ending balance (in USD per share)				$ 20.57
RSUs | Class A Units
Weighted Average Grant Date Fair Value [Roll Forward]
Shares vested but not converted into Class A Common Stock (in shares)				129,394
PSUs
Restricted Stock Units [Roll Forward]
Nonvested beginning balance (in shares)		0		0
Granted (in shares)			376,028	376,028
Vested (in shares)				(4,737)
Forfeited (in shares)				(18,521)
Nonvested ending balance (in shares)				352,770
Weighted Average Grant Date Fair Value [Roll Forward]
Nonvested beginning balance (in USD per share)		$ 0		$ 0
Granted (in USD per share)				26.39
Vested (in USD per share)				26.84
Forfeited (in USD per share)				26.84
Nonvested ending balance (in USD per share)				$ 26.36

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Share-Based Compensation - Schedule of Valuation Assumptions (Details) - PSUs	6 Months Ended
	Sep. 30, 2022 $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock price (in usd per share)	$ 22.44
Volatility	49.00%
Risk-free interest rate	2.60%
Grant date fair value per target ATSR PSU	$ 28.10

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Provision for Income Tax - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021	Sep. 15, 2021
Income Tax Examination [Line Items]
Income tax expense	$ 57	$ 0	$ 186	$ 0
Effective income tax rate	(0.52%)	0.00%	(1.62%)	0.00%
Opco | Total controlling interests
Income Tax Examination [Line Items]
Noncontrolling interest, ownership percentage by parent	67.60%		67.60%		54.50%	45.90%
Opco | Total controlling interests | Archaea
Income Tax Examination [Line Items]
Noncontrolling interest, ownership percentage by parent	67.60%		67.60%			45.90%

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Net Earnings (Loss) Per Share - Reconciliation between Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss) attributable to Class A Common shares - basic		$ (17,011)		$ (13,488)
Weighted average number of Class A Common shares outstanding - basic (in shares)	[1]	81,044,814	52,847,195	76,034,987	52,847,195
Weighted average number of Class A Common shares outstanding - diluted (in shares)	[1]	81,044,814	52,847,195	78,542,786	52,847,195
Net income (loss) per share of Class A Common Stock
Basic (in usd per share)	[1]	$ (0.18)	$ (0.13)	$ (0.15)	$ (0.13)
Diluted (in usd per share)	[1]	$ (0.18)	$ (0.13)	$ (0.18)	$ (0.13)
Private Placement Warrants
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Less gain in fair value of Private Placement Warrants		$ 0	$ 0	$ (2,306)	$ 0
Effect of dilutive Private Placement Warrants (in shares)		0	0	2,508,000	0
Class A Units
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss) attributable to Class A Common shares - basic		$ (14,991)	$ (7,011)	$ (11,468)	$ (7,011)
Net income (loss) attributable to Class A Common shares - diluted		$ (14,991)	$ (7,011)	$ (13,774)	$ (7,011)
Weighted average number of Class A Common shares outstanding - basic (in shares)		81,045,000	52,847,000	76,035,000	52,847,000
Weighted average number of Class A Common shares outstanding - diluted (in shares)		81,045,000	52,847,000	78,543,000	52,847,000

[1] Class A Common Stock is outstanding beginning September 15, 2021 due to the reverse recapitalization transaction as described in “Note 4 - Business Combinations and Reverse Recapitalization.”

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Net Earnings (Loss) Per Share - Narrative (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Restricted Stock Units (RSUs) And Performance Stock Units (PSUs)
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Common stock, excluded due to anti-dilutive effect (in shares)	1,430,225		1,223,249
Public and Private Placement Warrants
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Common stock, excluded due to anti-dilutive effect (in shares)	6,094,812	18,883,492
RSUs
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Common stock, excluded due to anti-dilutive effect (in shares)				140,000

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Segment Information - Narrative (Details) - segment	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting [Abstract]
Reporting segment	2	2	2	2

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Segment Information - Financial Information For Reportable Segment (Details) - USD ($) $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 14, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 14, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total revenues			$ 104,993	$ 11,986		$ 239,109	$ 18,768
Equity Investment Income, Net			2,945	879		7,067	879
Net income (loss)	$ (7,067)	$ (8,848)	(24,235)	(24,177)	$ (19,278)	(24,783)	(34,606)
Interest expense			10,575	1,586		16,941	1,606
Depreciation, amortization and accretion expense			16,972	3,142		43,191	4,077
Income tax expense			57	0		186	0
EBITDA			3,369	(19,449)		35,535	(28,923)
Goodwill			47,833			47,833		$ 29,211
Operating Segments
Segment Reporting Information [Line Items]
Total revenues			104,993	11,986		239,109	18,768
Intersegment Eliminations
Segment Reporting Information [Line Items]
Total revenues			0	0		0	0
RNG
Segment Reporting Information [Line Items]
Total revenues			73,857	5,963		171,480	6,785
Equity Investment Income, Net			2,547			6,091
Net income (loss)			17,762	28		42,188	(1,538)
Interest expense			1,454	(18)		3,448	2
Depreciation, amortization and accretion expense			11,104	1,906		31,178	2,121
Income tax expense			5			5
EBITDA			30,325	1,916		76,819	585
Goodwill			47,833			47,833		29,211
RNG | Operating Segments
Segment Reporting Information [Line Items]
Total revenues			73,857	5,963		171,480	6,785
RNG | Intersegment Eliminations
Segment Reporting Information [Line Items]
Total revenues			0	0		0	0
Power
Segment Reporting Information [Line Items]
Total revenues			28,527	5,170		63,245	7,407
Equity Investment Income, Net			398			976
Net income (loss)			3,249	(320)		6,523	(2,150)
Interest expense			0	0		0	0
Depreciation, amortization and accretion expense			5,602	1,204		11,333	1,834
Income tax expense			6			6
EBITDA			8,857	884		17,862	(316)
Goodwill			0			0		0
Power | Operating Segments
Segment Reporting Information [Line Items]
Total revenues			27,366	5,158		59,307	7,395
Power | Intersegment Eliminations
Segment Reporting Information [Line Items]
Total revenues			1,161	12		3,938	12
Corporate and Other
Segment Reporting Information [Line Items]
Total revenues			2,609	853		4,384	4,576
Equity Investment Income, Net			0			0
Net income (loss)			(45,246)	(23,885)		(73,494)	(30,918)
Interest expense			9,121	1,604		13,493	1,604
Depreciation, amortization and accretion expense			266	32		680	122
Income tax expense			46			175
EBITDA			(35,813)	(22,249)		(59,146)	(29,192)
Goodwill			0			0		$ 0
Corporate and Other | Operating Segments
Segment Reporting Information [Line Items]
Total revenues			3,770	865		8,322	4,588
Corporate and Other | Intersegment Eliminations
Segment Reporting Information [Line Items]
Total revenues			$ (1,161)	$ (12)		$ (3,938)	$ (12)

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Related Party Transactions - Narrative (Details) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2022 USD ($)
Related Party Transaction [Line Items]
Related-party reimbursement		$ 4.2
Revenue and other income	$ 1.7	2.7
Certain Joint Ventures
Related Party Transaction [Line Items]
Receivable from related party	$ 0.6	0.6
Affiliated Entity | RNG Plant Construction Contract
Related Party Transaction [Line Items]
Contract price		19.9
Related-party reimbursement		$ 6.7
Lutum Technologies LLC
Related Party Transaction [Line Items]
Ownership interest	20.00%	20.00%
Amount paid	$ 0.0	$ 0.7

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Subsequent Events (Details) - Subsequent Event $ / shares in Units, $ in Thousands	Oct. 16, 2022 USD ($) $ / shares
Subsequent Event [Line Items]
Warrant exercise price (in usd per share) | $ / shares	$ 11.50
Merger Agreement
Subsequent Event [Line Items]
Warrant exercise price (in usd per share) | $ / shares	$ 11.50
Payment of termination fee | $	$ 114,500
Termination fee received | $	$ 327,200

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Description of Business - Predecessor (Details)	Sep. 14, 2021
Ares EIF Management LLC | Total controlling interests | Aria Energy LLC
Product Information [Line Items]
Noncontrolling interest, ownership percentage by parent	94.35%

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Summary of Significant Accounting Policies - Predecessor - Narrative (Details) - Aria Energy LLC - USD ($) $ in Thousands		2 Months Ended	8 Months Ended
	Jun. 10, 2021	Sep. 14, 2021	Sep. 14, 2021
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Percent of revenue, ASC 606			36.00%
Percent of revenue, ASC 840			64.00%
Proceeds from sale of assets held for sale	$ 58,500
Gain on extinguishment of debt	$ 61,400	$ 0	$ 61,411
Gain on sale of assets			1,300
LESPH
Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Line Items]
Net gain (loss) from sale of LESPH		$ 500	$ 67,600

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Summary of Significant Accounting Policies - Predecessor - Revenue Recognition (Details) - USD ($) $ in Thousands	2 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended
	Sep. 14, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 14, 2021	Sep. 30, 2022	Sep. 30, 2021
Revenue from External Customer [Line Items]
Revenue		$ 102,271	$ 11,781		$ 230,850	$ 18,563
Aria Energy LLC
Revenue from External Customer [Line Items]
Revenue	$ 35,773			$ 120,282
Aria Energy LLC | RNG
Revenue from External Customer [Line Items]
Revenue	28,402			84,853
Aria Energy LLC | Power
Revenue from External Customer [Line Items]
Revenue	7,371			35,429
RNG, including RINs and LCFS credits
Revenue from External Customer [Line Items]
Revenue		69,976	5,525		159,859	6,346
RNG, including RINs and LCFS credits | Aria Energy LLC
Revenue from External Customer [Line Items]
Revenue	28,125			83,848
RNG O&M service
Revenue from External Customer [Line Items]
Revenue		280	110		812	110
RNG O&M service | Aria Energy LLC
Revenue from External Customer [Line Items]
Revenue	268			974
Power, including RECs
Revenue from External Customer [Line Items]
Revenue		27,038	5,125		58,796	7,363
Power, including RECs | Aria Energy LLC
Revenue from External Customer [Line Items]
Revenue	6,591			31,217
Power O&M service
Revenue from External Customer [Line Items]
Revenue		1,083	156		3,061	156
Power O&M service | Aria Energy LLC
Revenue from External Customer [Line Items]
Revenue	781			4,211
Other
Revenue from External Customer [Line Items]
Revenue		$ 1,327	$ 0		$ 1,733	$ 0
Other | Aria Energy LLC
Revenue from External Customer [Line Items]
Revenue	$ 8			$ 32

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Equity Method Investments - Predecessor - Narrative (Details) - USD ($) $ in Thousands	Sep. 14, 2021	Jun. 30, 2021	Sep. 30, 2017
Mavrix
Schedule of Equity Method Investments [Line Items]
Membership percentage			50.00%
Aria Energy LLC | Mavrix
Schedule of Equity Method Investments [Line Items]
Membership percentage			50.00%
Earn-out payment obligation	$ 1,700		$ 9,550
Two Joint Ventures | Aria Energy LLC | Mavrix and Sunshine Gas Producers
Schedule of Equity Method Investments [Line Items]
Interest in joint ventures	50.00%
Four Joint Ventures | Aria Energy LLC | Riverview Energy Systems, Adrian Energy Systems, Salem Energy Systems and Salt Lake Energy Systems
Schedule of Equity Method Investments [Line Items]
Interest in joint ventures		50.00%

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Equity Method Investments - Predecessor - Income Statement (Details) - USD ($) $ in Thousands	2 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended
	Sep. 14, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 14, 2021	Sep. 30, 2022	Sep. 30, 2021
Schedule of Equity Method Investments [Line Items]
Total revenues		$ 104,993	$ 11,986		$ 239,109	$ 18,768
Aria Energy LLC
Schedule of Equity Method Investments [Line Items]
Total revenues	$ 34,988			$ 117,589
Aria’s share of net income	(534)			84,231
Mavrix and Sunshine Gas Producers
Schedule of Equity Method Investments [Line Items]
Total revenues		28,960	4,786		80,985	4,786
Net income		11,333	2,259		29,769	2,259
Aria’s share of net income		$ 5,666	$ 1,130		$ 14,885	$ 1,130
Mavrix and Sunshine Gas Producers | Aria Energy LLC
Schedule of Equity Method Investments [Line Items]
Total revenues	25,223			78,125
Net income	13,237			38,512
Aria’s share of net income	$ 6,451			$ 19,777

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Derivative Instruments - Predecessor - Narrative (Details) - Aria Energy LLC - Interest Rate Cap - USD ($)	8 Months Ended
	Sep. 14, 2021	Apr. 30, 2020	Apr. 06, 2020
Class of Warrant or Right [Line Items]
Derivative, notional amount			$ 110,000,000
Derivative, fixed interest rate (in percentage)		1.00%
Debt instrument market value	$ 0

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Derivative Instruments - Predecessor - Schedule of Unrealized Gain (Loss) of Natural Gas Swaps (Details) - USD ($) $ in Thousands	2 Months Ended	8 Months Ended
	Sep. 14, 2021	Sep. 14, 2021
Aria Energy LLC | Natural Gas Swap
Derivative [Line Items]
Unrealized gain (loss)	$ 574	$ 1,129

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Benefit Plans - Predecessor - 401 (k) Plans (Details) - Aria Energy LLC	8 Months Ended
	Sep. 14, 2021
Pension Plan, First Contribution
Defined Contribution Plan Disclosure [Line Items]
Employer matching contribution	100.00%
Employer matching contribution, percent of employees eligible compensation	3.00%
Pension Plan, Next Contribution
Defined Contribution Plan Disclosure [Line Items]
Employer matching contribution	50.00%
Employer matching contribution, percent of employees eligible compensation	2.00%

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Benefit Plans - Predecessor - Defined Benefit Healthcare (Details) - Aria Energy LLC - USD ($) $ in Thousands	2 Months Ended	8 Months Ended
	Sep. 14, 2021	Sep. 14, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Service cost	$ 8	$ 27
Interest cost	19	64
Amortization of prior service cost	2	8
Recognition of net actuarial loss	17	57
Net periodic benefit cost	$ 46	$ 156

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Related Party Transactions - Predecessor - Narrative (Details)	Sep. 14, 2021
Two Joint Ventures | Mavrix and Sunshine Gas Producers | Aria Energy LLC
Related Party Transaction [Line Items]
Noncontrolling interest, ownership percentage by parent	50.00%

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Related Party Transactions - Predecessor - Aria Related Party Transactions (Details) - Aria Energy LLC - USD ($) $ in Thousands	2 Months Ended	8 Months Ended
	Sep. 14, 2021	Sep. 14, 2021
Related Party Transaction [Line Items]
Sales of construction services	$ 8	$ 32
Sales of operations and maintenance services	214	1,215
Sales of administrative and other services	$ 25	$ 221

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Segment Reporting - Predecessor - Aria Segment Reporting (Details) - USD ($) $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 14, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 14, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Total revenues			$ 104,993	$ 11,986		$ 239,109	$ 18,768
Net income (loss)	$ (7,067)	$ (8,848)	(24,235)	(24,177)	$ (19,278)	(24,783)	(34,606)
Depreciation, amortization and accretion			16,972	3,142		43,191	4,077
EBITDA			3,369	(19,449)		35,535	(28,923)
Aria Energy LLC
Segment Reporting Information [Line Items]
Total revenues		34,988			117,589
Net income (loss)		(534)			84,520
Depreciation, amortization and accretion		4,634			15,948
Interest expense		2,053			10,729
EBITDA		6,153			111,197
RNG
Segment Reporting Information [Line Items]
Total revenues			73,857	5,963		171,480	6,785
Net income (loss)			17,762	28		42,188	(1,538)
EBITDA			30,325	1,916		76,819	585
RNG | Aria Energy LLC
Segment Reporting Information [Line Items]
Total revenues		27,668			82,338
Net income (loss)		20,293			59,066
Depreciation, amortization and accretion		1,888			6,447
Interest expense		0			0
EBITDA		22,181			65,513
Power
Segment Reporting Information [Line Items]
Total revenues			28,527	5,170		63,245	7,407
Net income (loss)			3,249	(320)		6,523	(2,150)
EBITDA			8,857	884		17,862	(316)
Power | Aria Energy LLC
Segment Reporting Information [Line Items]
Total revenues		9,127			37,058
Net income (loss)		1,505			66,431
Depreciation, amortization and accretion		2,739			9,467
Interest expense		0			0
EBITDA		4,244			75,898
Corporate and Other
Segment Reporting Information [Line Items]
Total revenues			2,609	853		4,384	4,576
Net income (loss)			(45,246)	(23,885)		(73,494)	(30,918)
EBITDA			$ (35,813)	$ (22,249)		$ (59,146)	$ (29,192)
Corporate and Other | Aria Energy LLC
Segment Reporting Information [Line Items]
Total revenues		(1,807)			(1,807)
Net income (loss)		(22,332)			(40,977)
Depreciation, amortization and accretion		7			34
Interest expense		2,053			10,729
EBITDA		$ (20,272)			$ (30,214)

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Label	Element	Value
Redeemable Noncontrolling Interests [Member]
Temporary Equity, Net Income	us-gaap_TemporaryEquityNetIncome	$ (8,262,000)
Members' Retained Earnings [Member]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	us-gaap_ProfitLoss	(18,744,000)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	us-gaap_ProfitLoss	(8,569,000)
Noncontrolling Interest [Member]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	us-gaap_ProfitLoss	(56,000)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	us-gaap_ProfitLoss	(534,000)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	us-gaap_ProfitLoss	(279,000)
Retained Earnings [Member]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	us-gaap_ProfitLoss	$ (7,011,000)