10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D. C. 20549

FORM 10-Q

(Mark One)

☒	QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2020
	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	Name of Registrant, Address of Principal Executive Offices and Telephone Number	State of Incorporation	I.R.S. Employer Identification Number
1-16681	Spire Inc. 700 Market Street St. Louis, MO 63101 314-342-0500	Missouri	74-2976504
1-1822	Spire Missouri Inc. 700 Market Street St. Louis, MO 63101 314-342-0500	Missouri	43-0368139
2-38960	Spire Alabama Inc. 2101 6th Avenue North Birmingham, AL 35203 205-326-8100	Alabama	63-0022000

Securities registered pursuant to Section 12(b) of the Securities Exchange Act of 1934 (the “Exchange Act”) (only applicable for Spire Inc.):

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock $1.00 par value	SR	New York Stock Exchange LLC
Depositary Shares, each representing a 1/1,000th interest in a share of 5.90% Series A Cumulative Redeemable Perpetual Preferred Stock, par value $25.00 per share	SR.PRA	New York Stock Exchange LLC

Indicate by check mark whether each registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Exchange Act during the preceding 12 months (or for such shorter period that the registrant was required to file such report) and (2) has been subject to such filing requirements for the past 90 days.

Spire Inc.	Yes ☒	No ☐
Spire Missouri Inc.	Yes ☒	No ☐
Spire Alabama Inc.	Yes ☒	No ☐

Indicate by check mark whether each registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit such files).

Spire Inc.	Yes ☒	No ☐
Spire Missouri Inc.	Yes ☒	No ☐
Spire Alabama Inc.	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
Spire Inc.	X
Spire Missouri Inc.			X
Spire Alabama Inc.			X

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.

Spire Inc.	☐
Spire Missouri Inc.	☐
Spire Alabama Inc.	☐

Indicate by check mark whether each registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

Spire Inc.	Yes ☐	No ☒
Spire Missouri Inc.	Yes ☐	No ☒
Spire Alabama Inc.	Yes ☐	No ☒

The number of shares outstanding of each registrant’s common stock as of July 31, 2020, was as follows:

Spire Inc.	Common Stock, par value $1.00 per share	51,482,424
Spire Missouri Inc.	Common Stock, par value $1.00 per share (all owned by Spire Inc.)	24,577
Spire Alabama Inc.	Common Stock, par value $0.01 per share (all owned by Spire Inc.)	1,972,052

Spire Missouri Inc. and Spire Alabama Inc. meet the conditions set forth in General Instructions H(1)(a) and (b) to Form 10-Q and are therefore filing this Form 10-Q with the reduced disclosure format specified in General Instructions H(2) to Form 10-Q.

This combined Form 10-Q represents separate filings by Spire Inc., Spire Missouri Inc., and Spire Alabama Inc. Information contained herein relating to an individual registrant is filed by that registrant on its own behalf. Each registrant makes no representation as to information relating to the other registrants, except that information relating to Spire Missouri Inc. and Spire Alabama Inc. are also attributed to Spire Inc.

TABLE OF CONTENTS
			Page No.
GLOSSARY			2
PART I. FINANCIAL INFORMATION
Item 1	Financial Statements (Unaudited)
	Spire Inc.
		Condensed Consolidated Statements of Income	4
		Condensed Consolidated Statements of Comprehensive Income	5
		Condensed Consolidated Balance Sheets	6
		Condensed Consolidated Statements of Shareholders’ Equity	8
		Condensed Consolidated Statements of Cash Flows	10
	Spire Missouri Inc.
		Condensed Statements of Comprehensive Income	11
		Condensed Balance Sheets	12
		Condensed Statements of Shareholder’s Equity	14
		Condensed Statements of Cash Flows	15
	Spire Alabama Inc.
		Condensed Statements of Income	16
		Condensed Balance Sheets	17
		Condensed Statements of Shareholder’s Equity	19
		Condensed Statements of Cash Flows	20
	Notes to Financial Statements
		Note 1. Summary of Significant Accounting Policies	21
		Note 2. Revenue	24
		Note 3. Earnings Per Common Share	25
		Note 4. Regulatory Matters	26
		Note 5. Financing Arrangements and Long-term Debt	30
		Note 6. Fair Value of Financial Instruments	32
		Note 7. Fair Value Measurements	33
		Note 8. Pension Plans and Other Postretirement Benefits	35
		Note 9. Information by Operating Segment	38
		Note 10. Commitments and Contingencies	41
		Note 11. Leases	44
Item 2	Management’s Discussion and Analysis of Financial Condition and Results of Operations		46
Item 3	Quantitative and Qualitative Disclosures About Market Risk		66
Item 4	Controls and Procedures		66
PART II. OTHER INFORMATION
Item 1	Legal Proceedings		67
Item 1A	Risk Factors		67
Item 2	Unregistered Sales of Equity Securities and Use of Proceeds		68
Item 3	Defaults upon Senior Securities		68
Item 4	Mine Safety Disclosures		68
Item 5	Other Information		68
Item 6	Exhibits		69
SIGNATURES			70

1

GLOSSARY OF KEY TERMS AND ABBREVIATIONS

APSC	Alabama Public Service Commission	PGA	Purchased Gas Adjustment
ASC	Accounting Standards Codification	RSE	Rate Stabilization and Equalization
Company	Spire Inc.	SEC	U.S. Securities and Exchange Commission
Degree days	The average of a day’s high and low temperature below 65, subtracted from 65, multiplied by the number of days impacted	Spire	Spire Inc.
FASB	Financial Accounting Standards Board	Spire Alabama	Spire Alabama Inc.
FERC	Federal Energy Regulatory Commission	Spire EnergySouth	Spire EnergySouth Inc., the parent of Spire Gulf and Spire Mississippi
GAAP	Accounting principles generally accepted in the United States of America	Spire Gulf	Spire Gulf Inc.
Gas Marketing	Segment including Spire Marketing, which is engaged in the non-regulated marketing of natural gas and related activities	Spire Marketing	Spire Marketing Inc.
Gas Utility	Segment including the regulated operations of the Utilities	Spire Mississippi	Spire Mississippi Inc.
GSA	Gas Supply Adjustment	Spire Missouri	Spire Missouri Inc.
ISRS	Infrastructure System Replacement Surcharge	Spire STL Pipeline	Spire STL Pipeline LLC
MMBtu	Million British thermal units	Spire Storage	Spire’s physical natural gas storage operations at two facilities in Wyoming
MoPSC	Missouri Public Service Commission	U.S.	United States
MSPSC	Mississippi Public Service Commission	Utilities	Spire Missouri, Spire Alabama and the subsidiaries of Spire EnergySouth
O&M	Operation and maintenance expense

2

PART I. FINANCIAL INFORMATION

The interim financial statements included herein have been prepared by three separate registrants — Spire Inc. (“Spire” or the “Company”), Spire Missouri Inc. (“Spire Missouri”) and Spire Alabama Inc. (“Spire Alabama”) — without audit, pursuant to the rules and regulations of the United States Securities and Exchange Commission. These financial statements should be read in conjunction with the financial statements and the notes thereto included in the registrants’ combined Form 10-K for the fiscal year ended September 30, 2019.

The Financial Information in this Part I includes separate financial statements (i.e., statements of income and comprehensive income, balance sheets, statements of shareholders’ equity and statements of cash flows) for Spire, Spire Missouri and Spire Alabama. The Notes to Financial Statements and Management’s Discussion and Analysis of Financial Condition and Results of Operations are also included and presented herein on a combined basis for Spire, Spire Missouri and Spire Alabama.

3

Item 1. Financial Statements

SPIRE INC.

CONDENSED CONSOLIDATED STATEMENTS OF INCOME

(UNAUDITED)

	Three Months Ended June 30,						Nine Months Ended June 30,
(In millions, except per share amounts)	2020			2019			2020			2019
Operating Revenues:
Gas Utility	$	305.7		$	301.4		$	1,515.4		$	1,651.9
Gas Marketing and other		15.4			19.9			88.1			74.9
Total Operating Revenues		321.1			321.3			1,603.5			1,726.8
Operating Expenses:
Gas Utility
Natural and propane gas		70.7			75.5			534.3			664.6
Operation and maintenance		112.5			111.2			311.6			323.2
Depreciation and amortization		47.8			45.1			141.2			133.2
Taxes, other than income taxes		31.7			29.7			121.3			126.3
Total Gas Utility Operating Expenses		262.7			261.5			1,108.4			1,247.3
Impairments		148.6			—			148.6			—
Gas Marketing and other		16.3			46.5			140.2			151.6
Total Operating Expenses		427.6			308.0			1,397.2			1,398.9
Operating (Loss) Income		(106.5	)		13.3			206.3			327.9
Interest Expense, Net		26.4			25.6			80.3			79.1
Other Income (Expense), Net		13.0			6.4			(0.8	)		15.3
(Loss) Income Before Income Taxes		(119.9	)		(5.9	)		125.2			264.1
Income Tax (Benefit) Expense		(27.6	)		(2.9	)		16.9			45.2
Net (Loss) Income		(92.3	)		(3.0	)		108.3			218.9
Provision for preferred dividends		3.7			1.6			11.1			1.6
(Loss) income allocated to participating securities		(0.1	)		—			0.2			0.5
Net (Loss) Income Available to Common Shareholders	$	(95.9	)	$	(4.6	)	$	97.0		$	216.8
Weighted Average Number of Common Shares Outstanding:
Basic		51.2			50.7			51.1			50.6
Diluted		51.2			50.7			51.2			50.8
Basic (Loss) Earnings Per Common Share	$	(1.87	)	$	(0.09	)	$	1.90		$	4.28
Diluted (Loss) Earnings Per Common Share	$	(1.87	)	$	(0.09	)	$	1.90		$	4.27

See the accompanying Notes to Financial Statements.

4

SPIRE INC.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(UNAUDITED)

	Three Months Ended June 30,						Nine Months Ended June 30,
(In millions)	2020			2019			2020			2019
Net (Loss) Income	$	(92.3	)	$	(3.0	)	$	108.3		$	218.9
Other Comprehensive Income (Loss), Before Tax:
Cash flow hedging derivative instruments:
Net hedging gain (loss) arising during the period		1.4			(12.3	)		(20.8	)		(30.4	)
Amounts reclassified into net income		(0.3	)		(0.3	)		(2.8	)		(1.0	)
Net gain (loss) on cash flow hedging derivative instruments		1.1			(12.6	)		(23.6	)		(31.4	)
Net gain (loss) on defined benefit pension and other postretirement plans		—			0.1			(0.1	)		0.2
Net unrealized gain on available for sale securities		—			—			—			0.1
Other Comprehensive Income (Loss), Before Tax		1.1			(12.5	)		(23.7	)		(31.1	)
Income Tax Expense (Benefit) Related to Items of Other Comprehensive Income (Loss)		0.1			(3.1	)		(5.4	)		(7.5	)
Other Comprehensive Income (Loss), Net of Tax		1.0			(9.4	)		(18.3	)		(23.6	)
Comprehensive (Loss) Income	$	(91.3	)	$	(12.4	)	$	90.0		$	195.3

See the accompanying Notes to Financial Statements.

5

SPIRE INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(UNAUDITED)

	June 30,			September 30,			June 30,
(Dollars in millions, except per share amounts)	2020			2019			2019
ASSETS
Utility Plant	$	6,472.2		$	6,146.5		$	5,990.6
Less: Accumulated depreciation and amortization		1,882.1			1,794.5			1,770.4
Net Utility Plant		4,590.1			4,352.0			4,220.2
Non-utility Property (net of accumulated depreciation and    amortization of $20.8, $12.7 and $11.1 at June 30, 2020,    September 30, 2019, and June 30, 2019, respectively)		420.1			477.8			416.6
Other Investments		70.6			72.3			74.8
Total Other Property and Investments		490.7			550.1			491.4
Current Assets:
Cash and cash equivalents		7.4			5.8			5.8
Accounts receivable:
Utility		153.2			139.8			167.2
Other		122.4			172.8			193.2
Allowance for doubtful accounts		(27.5	)		(23.0	)		(23.7	)
Delayed customer billings		10.5			4.3			19.4
Inventories:
Natural gas		110.5			162.6			123.8
Propane gas		10.7			10.7			10.7
Materials and supplies		27.4			23.3			23.7
Regulatory assets		70.2			78.6			79.0
Prepayments		42.2			29.1			39.5
Other		32.3			10.5			11.2
Total Current Assets		559.3			614.5			649.8
Deferred Charges and Other Assets:
Goodwill		1,171.6			1,171.6			1,171.6
Regulatory assets		791.8			767.6			657.1
Other		219.1			163.4			141.9
Total Deferred Charges and Other Assets		2,182.5			2,102.6			1,970.6
Total Assets	$	7,822.6		$	7,619.2		$	7,332.0

6

SPIRE INC.

CONDENSED CONSOLIDATED BALANCE SHEETS (Continued)

(UNAUDITED)

	June 30,			September 30,			June 30,
	2020			2019			2019
CAPITALIZATION AND LIABILITIES
Capitalization:
Preferred stock ($25.00 par value per share; 10.0 million depositary shares authorized, issued and outstanding at June 30, 2020, September 30, 2019, and June 30, 2019)	$	242.0		$	242.0		$	242.0
Common stock (par value $1.00 per share; 70.0 million shares authorized; 51.5 million, 51.0 million, and 50.8 million shares issued and outstanding at June 30, 2020, September 30, 2019, and June 30, 2019, respectively)		51.5			51.0			50.8
Paid-in capital		1,539.9			1,505.8			1,492.7
Retained earnings		774.6			775.5			844.3
Accumulated other comprehensive loss		(49.6	)		(31.3	)		(17.2	)
Total Shareholders' Equity		2,558.4			2,543.0			2,612.6
Temporary equity		4.1			3.4			—
Long-term debt (less current portion)		2,478.3			2,082.6			2,042.3
Total Capitalization		5,040.8			4,629.0			4,654.9
Current Liabilities:
Current portion of long-term debt		5.4			40.0			165.0
Notes payable		477.6			743.2			434.0
Accounts payable		200.8			301.5			297.6
Advance customer billings		22.4			32.6			11.6
Wages and compensation accrued		44.3			45.7			43.6
Customer deposits		35.4			35.6			35.7
Taxes accrued		61.0			68.5			56.7
Regulatory liabilities		58.8			60.8			31.3
Other		202.1			140.9			144.1
Total Current Liabilities		1,107.8			1,468.8			1,219.6
Deferred Credits and Other Liabilities:
Deferred income taxes		479.7			451.4			490.4
Pension and postretirement benefit costs		271.9			264.8			172.1
Asset retirement obligations		348.2			337.6			328.9
Regulatory liabilities		449.6			399.0			396.3
Other		124.6			68.6			69.8
Total Deferred Credits and Other Liabilities		1,674.0			1,521.4			1,457.5
Commitments and Contingencies (Note 10)
Total Capitalization and Liabilities	$	7,822.6		$	7,619.2		$	7,332.0

See the accompanying Notes to Financial Statements.

7

SPIRE INC.

CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY

(UNAUDITED)

	Common Stock					Preferred		Paid-in			Retained
(Dollars in millions)	Shares			Par		Stock		Capital			Earnings			AOCI*			Total
Three Months Ended June 30, 2020:
Balance at March 31, 2020		51,229,061		$	51.2	$	242.0	$	1,520.7		$	902.3		$	(50.6	)	$	2,665.6
Net income		—			—		—		—			(92.3	)		—			(92.3	)
Common stock issued		208,474			0.2		—		14.9			—			—			15.1
Dividend reinvestment plan		40,968			0.1		—		3.0			—			—			3.1
Stock-based compensation costs		—			—		—		1.4			—			—			1.4
Stock issued under stock-based compensation    plans		(230	)		—		—		—			—			—			—
Employees’ tax withholding for stock-based    compensation		(441	)		—		—		(0.1	)		—			—			(0.1	)
Temporary equity adjustment    to redemption value		—			—		—		—			0.6			—			0.6
Dividends declared:
Common stock ($0.6225 per share)		—			—		—		—			(32.3	)		—			(32.3	)
Preferred stock ($0.36875 per depositary share)		—			—		—		—			(3.7	)		—			(3.7	)
Other comprehensive income, net of tax		—			—		—		—			—			1.0			1.0
Balance at June 30, 2020		51,477,832		$	51.5	$	242.0	$	1,539.9		$	774.6		$	(49.6	)	$	2,558.4
Nine Months Ended June 30, 2020:
Balance at September 30, 2019		50,973,515		$	51.0	$	242.0	$	1,505.8		$	775.5		$	(31.3	)	$	2,543.0
Net income		—			—		—		—			108.3			—			108.3
Common stock issued		321,232			0.3		—		24.3			—			—			24.6
Dividend reinvestment plan		114,851			0.1		—		8.6			—			—			8.7
Stock-based compensation costs		—			—		—		4.5			—			—			4.5
Stock issued under stock-based compensation    plans		108,522			0.1		—		(0.1	)		—			—			—
Employees’ tax withholding for stock-based    compensation		(40,288	)		—		—		(3.2	)		—			—			(3.2	)
Temporary equity adjustment    to redemption value		—			—		—		—			1.7			—			1.7
Dividends declared:
Common stock ($1.8675 per share)		—			—		—		—			(96.1	)		—			(96.1	)
Preferred stock ($1.475 per depositary share)		—			—		—		—			(14.8	)		—			(14.8	)
Other comprehensive loss, net of tax		—			—		—		—			—			(18.3	)		(18.3	)
Balance at June 30, 2020		51,477,832		$	51.5	$	242.0	$	1,539.9		$	774.6		$	(49.6	)	$	2,558.4

8

SPIRE INC.

CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY (Continued)

(UNAUDITED)

	Common Stock						Preferred		Paid-in			Retained
	Shares			Par			Stock		Capital			Earnings			AOCI*			Total
Three Months Ended June 30, 2019:
Balance at March 31, 2019		50,742,637		$	50.7		$	—	$	1,485.6		$	877.5		$	(7.8	)	$	2,406.0
Net loss		—			—			—		—			(3.0	)		—			(3.0	)
Preferred stock offering		—			—			242.0		—			—			—			242.0
Common stock issued		59,630			0.1			—		4.4			—			—			4.5
Dividend reinvestment plan		4,504			—			—		0.4			—			—			0.4
Stock-based compensation costs		—			—			—		2.3			—			—			2.3
Stock issued under stock-based compensation    plans		(1,140	)		—			—		—			—			—			—
Dividends declared:
Common stock ($0.5925 per share)		—			—			—		—			(30.2	)		—			(30.2	)
Other comprehensive loss, net of tax		—			—			—		—			—			(9.4	)		(9.4	)
Balance at June 30, 2019		50,805,631		$	50.8		$	242.0	$	1,492.7		$	844.3		$	(17.2	)	$	2,612.6
Nine Months Ended June 30, 2019:
Balance at September 30, 2018		50,671,903		$	50.7		$	—	$	1,482.7		$	715.6		$	6.4		$	2,255.4
Net income		—			—			—		—			218.9			—			218.9
Preferred stock offering		—			—			242.0		—			—			—			242.0
Common stock issued		59,630			0.1			—		4.4			—			—			4.5
Dividend reinvestment plan		15,771			—			—		1.2			—			—			1.2
Stock-based compensation costs		—			—			—		6.7			—			—			6.7
Stock issued under stock-based compensation    plans		86,328			0.1			—		(0.1	)		—			—			—
Employees’ tax withholding for stock-based    compensation		(28,001	)		(0.1	)		—		(2.2	)		—			—			(2.3	)
Dividends declared:
Common stock ($1.7775 per share)		—			—			—		—			(90.2	)		—			(90.2	)
Other comprehensive loss, net of tax		—			—			—		—			—			(23.6	)		(23.6	)
Balance at June 30, 2019		50,805,631		$	50.8		$	242.0	$	1,492.7		$	844.3		$	(17.2	)	$	2,612.6

* Accumulated other comprehensive income (loss)

See the accompanying Notes to Financial Statements.

9

SPIRE INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(UNAUDITED)

	Nine Months Ended June 30,
(In millions)	2020			2019
Operating Activities:
Net Income	$	108.3		$	218.9
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		146.8			134.9
Deferred income taxes and investment tax credits		17.0			42.6
Impairments		148.6			—
Changes in assets and liabilities:
Accounts receivable		41.5			(44.6	)
Inventories		45.4			52.1
Regulatory assets and liabilities		67.5			82.1
Accounts payable		(72.3	)		11.3
Delayed/advance customer billings, net		(16.4	)		(23.5	)
Taxes accrued		(8.9	)		(7.1	)
Other assets and liabilities		(28.8	)		(24.2	)
Other		5.1			(1.9	)
Net cash provided by operating activities		453.8			440.6
Investing Activities:
Capital expenditures		(475.7	)		(608.5	)
Business acquisitions		—			(7.9	)
Other		5.6			(7.1	)
Net cash used in investing activities		(470.1	)		(623.5	)
Financing Activities:
Issuance of preferred stock		—			242.0
Issuance of long-term debt		510.0			190.0
Repayment of long-term debt		(147.0	)		(59.1	)
Repayment of short-term debt, net		(265.6	)		(119.6	)
Issuance of common stock		33.2			5.7
Dividends paid on common stock		(95.7	)		(88.9	)
Dividends paid on preferred stock		(11.1	)		—
Other		(5.9	)		(2.8	)
Net cash provided by financing activities		17.9			167.3
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash		1.6			(15.6	)
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period		5.8			21.4
Cash and Cash Equivalents at End of Period	$	7.4		$	5.8
Supplemental disclosure of cash paid for:
Interest, net of amounts capitalized	$	(63.9	)	$	(63.5	)
Income taxes		(2.6	)		(2.1	)

See the accompanying Notes to Financial Statements.

10

SPIRE MISSOURI INC.

CONDENSED STATEMENTS OF COMPREHENSIVE INCOME

(UNAUDITED)

	Three Months Ended June 30,					Nine Months Ended June 30,
(In millions)	2020		2019			2020			2019
Operating Revenues:
Utility	$	203.9	$	191.4		$	1,035.4		$	1,161.2
Total Operating Revenues		203.9		191.4			1,035.4			1,161.2
Operating Expenses:
Utility
Natural and propane gas		68.9		63.1			478.3			600.3
Operation and maintenance		75.6		68.2			191.9			202.0
Depreciation and amortization		29.7		28.0			88.0			83.0
Taxes, other than income taxes		22.7		19.9			85.5			89.9
Total Operating Expenses		196.9		179.2			843.7			975.2
Operating Income		7.0		12.2			191.7			186.0
Interest Expense, Net		11.9		11.9			37.8			37.2
Other Income (Expense), Net		11.8		0.5			(8.1	)		2.3
Income Before Income Taxes		6.9		0.8			145.8			151.1
Income Tax Expense (Benefit)		0.4		(0.3	)		16.8			18.8
Net Income		6.5		1.1			129.0			132.3
Other Comprehensive Income, Net of Tax		0.1		0.1			-			0.1
Comprehensive Income	$	6.6	$	1.2		$	129.0		$	132.4

See the accompanying Notes to Financial Statements.

11

SPIRE MISSOURI INC.

CONDENSED BALANCE SHEETS

(UNAUDITED)

	June 30,			September 30,			June 30,
(Dollars in millions, except per share amounts)	2020			2019			2019
ASSETS
Utility Plant	$	3,865.3		$	3,643.2		$	3,545.9
Less: Accumulated depreciation and amortization		817.7			764.1			753.3
Net Utility Plant		3,047.6			2,879.1			2,792.6
Other Property and Investments		55.6			53.3			54.9
Current Assets:
Cash and cash equivalents		0.7			2.6			3.7
Accounts receivable:
Utility		109.6			94.6			115.0
Associated companies		1.1			1.4			4.1
Other		21.6			26.5			22.2
Allowance for doubtful accounts		(19.0	)		(14.9	)		(16.5	)
Delayed customer billings		6.6			4.3			19.4
Inventories:
Natural gas		68.3			100.1			72.5
Propane gas		10.7			10.7			10.7
Materials and supplies		16.2			13.3			13.5
Regulatory assets		29.5			29.4			30.2
Prepayments		27.3			18.2			25.4
Total Current Assets		272.6			286.2			300.2
Deferred Charges and Other Assets:
Goodwill		210.2			210.2			210.2
Regulatory assets		531.9			507.5			429.2
Other		82.2			85.6			53.7
Total Deferred Charges and Other Assets		824.3			803.3			693.1
Total Assets	$	4,200.1		$	4,021.9		$	3,840.8

12

SPIRE MISSOURI INC.

CONDENSED BALANCE SHEETS (Continued)

(UNAUDITED)

	June 30,			September 30,			June 30,
	2020			2019			2019
CAPITALIZATION AND LIABILITIES
Capitalization:
Paid-in capital and common stock (par value $1.00 per share;    50.0 million shares authorized; 24,577 shares issued and    outstanding)	$	765.1		$	765.1		$	763.9
Retained earnings		671.7			576.6			613.9
Accumulated other comprehensive loss		(2.4	)		(2.4	)		(1.5	)
Total Shareholder's Equity		1,434.4			1,339.3			1,376.3
Long-term debt (less current portion)		1,091.9			925.0			924.8
Total Capitalization		2,526.3			2,264.3			2,301.1
Current Liabilities:
Notes payable – associated companies		218.3			386.4			281.5
Accounts payable		60.4			75.7			62.3
Accounts payable – associated companies		6.8			5.5			5.0
Advance customer billings		14.4			20.8			3.4
Wages and compensation accrued		30.4			34.5			32.8
Customer deposits		13.1			13.4			12.9
Taxes accrued		30.9			36.4			28.3
Regulatory liabilities		50.8			52.3			23.4
Other		33.5			26.4			32.0
Total Current Liabilities		458.6			651.4			481.6
Deferred Credits and Other Liabilities:
Deferred income taxes		398.6			364.6			395.4
Pension and postretirement benefit costs		206.4			192.4			125.3
Asset retirement obligations		178.9			173.5			179.7
Regulatory liabilities		378.9			326.5			310.5
Other		52.4			49.2			47.2
Total Deferred Credits and Other Liabilities		1,215.2			1,106.2			1,058.1
Commitments and Contingencies (Note 10)
Total Capitalization and Liabilities	$	4,200.1		$	4,021.9		$	3,840.8

See the accompanying Notes to Financial Statements.

13

SPIRE MISSOURI INC.

CONDENSED STATEMENTS OF SHAREHOLDER’S EQUITY

(UNAUDITED)

	Common Stock				Paid-in		Retained
(Dollars in millions)	Shares		Par		Capital		Earnings			AOCI*			Total
Three Months Ended June 30, 2020:
Balance at March 31, 2020		24,577	$	0.1	$	765.0	$	676.5		$	(2.5	)	$	1,439.1
Net income		—		—		—		6.5			—			6.5
Dividends declared		—		—		—		(11.3	)		—			(11.3	)
Other comprehensive loss, net of tax		—		—		—		—			0.1			0.1
Balance at June 30, 2020		24,577	$	0.1	$	765.0	$	671.7		$	(2.4	)	$	1,434.4
Nine Months Ended June 30, 2020:
Balance at September 30, 2019		24,577	$	0.1	$	765.0	$	576.6		$	(2.4	)	$	1,339.3
Net income		—		—		—		129.0			—			129.0
Dividends declared		—		—		—		(33.9	)		—			(33.9	)
Balance at June 30, 2020		24,577	$	0.1	$	765.0	$	671.7		$	(2.4	)	$	1,434.4
Three Months Ended June 30, 2019:
Balance at March 31, 2019		24,577	$	0.1	$	762.7	$	612.8		$	(1.6	)	$	1,374.0
Net income		—		—		—		1.1			—			1.1
Stock-based compensation costs		—		—		1.1		—			—			1.1
Other comprehensive income, net of tax		—		—		—		—			0.1			0.1
Balance at June 30, 2019		24,577	$	0.1	$	763.8	$	613.9		$	(1.5	)	$	1,376.3
Nine Months Ended June 30, 2019:
Balance at September 30, 2018		24,577	$	0.1	$	760.3	$	501.1		$	(1.6	)	$	1,259.9
Net income		—		—		—		132.3			—			132.3
Stock-based compensation costs		—		—		3.5		—			—			3.5
Dividends declared		—		—		—		(19.5	)		—			(19.5	)
Other comprehensive loss, net of tax		—		—		—		—			0.1			0.1
Balance at June 30, 2019		24,577	$	0.1	$	763.8	$	613.9		$	(1.5	)	$	1,376.3

* Accumulated other comprehensive income (loss)

See the accompanying Notes to Financial Statements.

14

SPIRE MISSOURI INC.

CONDENSED STATEMENTS OF CASH FLOWS

(UNAUDITED)

	Nine Months Ended June 30,
(In millions)	2020			2019
Operating Activities:
Net Income	$	129.0		$	132.3
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		88.0			83.0
Deferred income taxes and investment tax credits		16.8			18.8
Changes in assets and liabilities:
Accounts receivable		(5.8	)		(17.6	)
Inventories		28.8			56.3
Regulatory assets and liabilities		57.9			88.7
Accounts payable		(1.0	)		(8.3	)
Delayed/advance customer billings, net		(8.7	)		(18.5	)
Taxes accrued		(5.5	)		(3.7	)
Other assets and liabilities		(13.3	)		(36.9	)
Other		0.5			3.9
Net cash provided by operating activities		286.7			298.0
Investing Activities:
Capital expenditures		(253.3	)		(255.0	)
Other		0.3			1.0
Net cash used in investing activities		(253.0	)		(254.0	)
Financing Activities:
Issuance of long-term debt		275.0			100.0
Repayment of long-term debt		(107.0	)		(50.0	)
Repayments to Spire, net		(168.1	)		(63.8	)
Dividends paid		(33.9	)		(28.5	)
Other		(1.6	)		—
Net cash used in financing activities		(35.6	)		(42.3	)
Net (Decrease) Increase in Cash and Cash Equivalents		(1.9	)		1.7
Cash and Cash Equivalents at Beginning of Period		2.6			2.0
Cash and Cash Equivalents at End of Period	$	0.7		$	3.7
Supplemental disclosure of cash paid for:
Interest, net of amounts capitalized	$	(32.6	)	$	(33.2	)
Income taxes		—			—

See the accompanying Notes to Financial Statements.

15

SPIRE ALABAMA INC.

CONDENSED STATEMENTS OF INCOME

(UNAUDITED)

	Three Months Ended June 30,				Nine Months Ended June 30,
(In millions)	2020		2019		2020		2019
Operating Revenues:
Utility	$	81.2	$	90.8	$	392.9	$	404.7
Total Operating Revenues		81.2		90.8		392.9		404.7
Operating Expenses:
Utility
Natural gas		17.3		20.0		103.7		120.6
Operation and maintenance		32.5		37.3		104.8		105.1
Depreciation and amortization		15.0		14.2		43.9		41.5
Taxes, other than income taxes		7.1		8.2		29.1		29.7
Total Operating Expenses		71.9		79.7		281.5		296.9
Operating Income		9.3		11.1		111.4		107.8
Interest Expense, Net		5.1		5.5		15.8		16.0
Other Income, Net		0.8		1.9		4.2		5.2
Income Before Income Taxes		5.0		7.5		99.8		97.0
Income Tax Expense		1.4		1.9		25.2		24.4
Net Income	$	3.6	$	5.6	$	74.6	$	72.6

See the accompanying Notes to Financial Statements.

16

SPIRE ALABAMA INC.

CONDENSED BALANCE SHEETS

(UNAUDITED)

	June 30,			September 30,			June 30,
(Dollars in millions, except per share amounts)	2020			2019			2019
ASSETS
Utility Plant	$	2,244.8		$	2,138.0		$	2,080.5
Less: Accumulated depreciation and amortization		916.1			882.1			866.9
Net Utility Plant		1,328.7			1,255.9			1,213.6
Current Assets:
Accounts receivable:
Utility		36.2			37.5			43.0
Associated companies		0.3			—			0.1
Other		8.1			8.5			8.8
Allowance for doubtful accounts		(7.2	)		(6.3	)		(5.2	)
Delayed customer billings		3.9			—			—
Inventories:
Natural gas		18.8			35.1			30.6
Materials and supplies		8.8			7.8			8.2
Regulatory assets		23.4			33.9			33.9
Prepayments		8.4			5.3			7.4
Other		0.1			0.4			—
Total Current Assets		100.8			122.2			126.8
Deferred Charges and Other Assets:
Regulatory assets		232.1			231.2			199.9
Deferred income taxes		56.1			81.3			77.3
Other		61.6			53.0			59.1
Total Deferred Charges and Other Assets		349.8			365.5			336.3
Total Assets	$	1,779.3		$	1,743.6		$	1,676.7

17

SPIRE ALABAMA INC.

CONDENSED BALANCE SHEETS (Continued)

(UNAUDITED)

	June 30,		September 30,		June 30,
	2020		2019		2019
CAPITALIZATION AND LIABILITIES
Capitalization:
Paid-in capital and common stock (par value $0.01 per share;    3.0 million shares authorized; 2.0 million shares issued and    outstanding)	$	350.9	$	370.9	$	370.9
Retained earnings		515.7		459.1		473.4
Total Shareholder's Equity		866.6		830.0		844.3
Long-term debt (less current portion)		471.8		372.2		372.1
Total Capitalization		1,338.4		1,202.2		1,216.4
Current Liabilities:
Current portion of long-term debt		—		40.0		40.0
Notes payable – associated companies		85.6		128.7		79.6
Accounts payable		36.3		56.2		48.0
Accounts payable – associated companies		4.2		1.6		3.4
Advance customer billings		7.2		10.6		6.7
Wages and compensation accrued		7.4		8.0		7.7
Customer deposits		19.4		19.5		19.8
Taxes accrued		26.6		27.4		25.5
Regulatory liabilities		2.5		3.4		3.4
Other		14.0		9.2		11.2
Total Current Liabilities		203.2		304.6		245.3
Deferred Credits and Other Liabilities:
Pension and postretirement benefit costs		53.1		59.2		38.7
Asset retirement obligations		153.3		148.7		140.0
Regulatory liabilities		20.9		23.0		29.8
Other		10.4		5.9		6.5
Total Deferred Credits and Other Liabilities		237.7		236.8		215.0
Commitments and Contingencies (Note 10)
Total Capitalization and Liabilities	$	1,779.3	$	1,743.6	$	1,676.7

See the accompanying Notes to Financial Statements.

18

SPIRE ALABAMA INC.

CONDENSED STATEMENTS OF SHAREHOLDER’S EQUITY

(UNAUDITED)

	Common Stock				Paid-in			Retained
(Dollars in millions)	Shares		Par		Capital			Earnings			Total
Three Months Ended June 30, 2020:
Balance at March 31, 2020		1,972,052	$	—	$	350.9		$	518.1		$	869.0
Net income		—		—		—			3.6			3.6
Dividends declared		—		—		—			(6.0	)		(6.0	)
Balance at June 30, 2020		1,972,052	$	—	$	350.9		$	515.7		$	866.6
Nine Months Ended June 30, 2020:
Balance at September 30, 2019		1,972,052	$	—	$	370.9		$	459.1		$	830.0
Net income		—		—		—			74.6			74.6
Return of capital to Spire		—		—		(20.0	)		—			(20.0	)
Dividends declared		—		—		—			(18.0	)		(18.0	)
Balance at June 30, 2020		1,972,052	$	—	$	350.9		$	515.7		$	866.6
Three Months Ended June 30, 2019:
Balance at March 31, 2019		1,972,052	$	—	$	370.9		$	467.8		$	838.7
Net income		—		—		—			5.6			5.6
Balance at June 30, 2019		1,972,052	$	—	$	370.9		$	473.4		$	844.3
Nine Months Ended June 30, 2019:
Balance at September 30, 2018		1,972,052	$	—	$	390.9		$	417.8		$	808.7
Net income		—		—		—			72.6			72.6
Return of capital to Spire		—		—		(20.0	)		—			(20.0	)
Dividends declared		—		—		—			(17.0	)		(17.0	)
Balance at June 30, 2019		1,972,052	$	—	$	370.9		$	473.4		$	844.3

See the accompanying Notes to Financial Statements.

19

SPIRE ALABAMA INC.

CONDENSED STATEMENTS OF CASH FLOWS

(UNAUDITED)

	Nine Months Ended June 30,
(In millions)	2020			2019
Operating Activities:
Net Income	$	74.6		$	72.6
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization		43.9			41.5
Deferred income taxes and investment tax credits		25.2			24.4
Changes in assets and liabilities:
Accounts receivable		2.3			(6.2	)
Inventories		15.3			2.9
Regulatory assets and liabilities		6.7			(4.4	)
Accounts payable		(19.8	)		0.8
Advance customer billings		(7.3	)		(6.4	)
Taxes accrued		(0.7	)		(2.8	)
Other assets and liabilities		(8.6	)		9.1
Other		0.1			(2.4	)
Net cash provided by operating activities		131.7			129.1
Investing Activities:
Capital expenditures		(111.5	)		(116.4	)
Other		1.4			(2.2	)
Net cash used in investing activities		(110.1	)		(118.6	)
Financing Activities:
Issuance of long-term debt		100.0			90.0
Repayment of long-term debt		(40.0	)		—
Repayments to Spire, net		(43.1	)		(63.0	)
Return of capital to Spire		(20.0	)		(20.0	)
Dividends paid		(18.0	)		(17.0	)
Other		(0.5	)		(0.5	)
Net cash used in financing activities		(21.6	)		(10.5	)
Net Change in Cash and Cash Equivalents		—			—
Cash and Cash Equivalents at Beginning of Period		—			—
Cash and Cash Equivalents at End of Period	$	—		$	—
Supplemental disclosure of cash paid for:
Interest, net of amounts capitalized	$	(14.1	)	$	(12.1	)
Income taxes		—			—

See the accompanying Notes to Financial Statements.

20

SPIRE INC., SPIRE MISSOURI INC. AND SPIRE ALABAMA INC.

NOTES TO FINANCIAL STATEMENTS

(UNAUDITED)

(Dollars in millions, except per share amounts)

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

BASIS OF PRESENTATION – These notes are an integral part of the accompanying unaudited financial statements of Spire Inc. (“Spire” or the “Company”) presented on a consolidated basis, Spire Missouri Inc. (“Spire Missouri”) and Spire Alabama Inc. (“Spire Alabama”). Spire Missouri and Spire Alabama are wholly owned subsidiaries of Spire. Spire Missouri, Spire Alabama and the subsidiaries of Spire EnergySouth Inc. (“Spire EnergySouth”) are collectively referred to as the “Utilities.” The subsidiaries of Spire EnergySouth are Spire Gulf Inc. and Spire Mississippi Inc.

The accompanying unaudited financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (GAAP) for interim financial information with the instructions to Form 10-Q and Rule 10-01 of Regulation S‑X. Accordingly, they do not include all the disclosures required for complete financial statements. In the opinion of management, the accompanying unaudited financial statements include all adjustments necessary for the fair presentation of the results of operations for the periods presented. This Form 10-Q should be read in conjunction with the Notes to Financial Statements contained in Spire’s, Spire Missouri’s and Spire Alabama’s combined Annual Report on Form 10-K for the fiscal year ended September 30, 2019.

The consolidated financial position, results of operations, and cash flows of Spire include the accounts of the Company and all its subsidiaries. Transactions and balances between consolidated entities have been eliminated from the consolidated financial statements of Spire. In compliance with GAAP, transactions between Spire Missouri and Spire Alabama and their affiliates, as well as intercompany balances on their balance sheets, have not been eliminated from their separate financial statements.

NATURE OF OPERATIONS – Spire has two reportable segments: Gas Utility and Gas Marketing. The Gas Utility segment consists of the regulated natural gas distribution operations of the Company and is the core business segment of Spire in terms of revenue and earnings. The Gas Utility segment is comprised of the operations of: Spire Missouri, serving St. Louis, Kansas City, and other areas in Missouri; Spire Alabama, serving central and northern Alabama; and the subsidiaries of Spire EnergySouth, serving southern Alabama and south-central Mississippi. The Gas Marketing segment includes Spire’s primary gas-related business, Spire Marketing Inc. (“Spire Marketing”), which provides non-regulated natural gas services, primarily in the central and southern United States (U.S.). The activities of other subsidiaries are reported as Other and are described in Note 9, Information by Operating Segment. Spire Missouri and Spire Alabama each have a single reportable segment.

Nearly all the Company’s earnings are derived from its Gas Utility segment. Due to the seasonal nature of the Utilities’ business and the Spire Missouri rate design, earnings are typically concentrated during the heating season of November through April each fiscal year. As a result, the interim statements of income for Spire, Spire Missouri and Spire Alabama are not necessarily indicative of annual results or representative of succeeding quarters of the fiscal year.

IMPAIRMENT OF LONG-LIVED ASSETS – Long-lived assets classified as held and used are evaluated for impairment when events or changes in circumstances indicate that the carrying value of such assets may not be recoverable. Whether impairment has occurred is determined by comparing the estimated undiscounted cash flows attributable to the assets with the carrying value of the assets. If the carrying value exceeds the undiscounted cash flows, the Company recognizes an impairment charge equal to the amount of the carrying value that exceeds the estimated fair value of the assets. In the period in which the Company determines an asset meets held-for-sale criteria, an impairment charge is recorded to the extent the book value exceeds its fair value less cost to sell.

21

On July 1, 2020, Spire’s Board of Directors, based upon the recommendation of senior management, revised the development plan for Spire Storage West LLC (“Spire Storage”), resulting in an impairment charge of $140.8 related to Spire Storage assets (non-utility property on the balance sheet) in the quarter ended June 30, 2020. The revision was driven by the realization that a longer time horizon will be required for optimization and positioning of the storage facility to serve energy markets in the western United States. Among other factors, evaluations of the continuing evolution of market dynamics in the region led management to update models of various development alternatives. Separately in the quarter ended June 30, 2020, Spire recorded impairment charges totaling $7.8 related to two commercial compressed natural gas fueling stations (also non-utility property) as a result of revised projections reflecting lower diesel prices and slower conversions of Class 8 vehicles. The fair values used in measuring the impairment charges were determined with an expected present value technique using a discounted cash flow method under an income approach.

DERIVATIVES – In the course of their business, certain subsidiaries of Spire enter into commitments associated with the purchase or sale of natural gas. Certain of their derivative natural gas contracts are designated as normal purchases or normal sales and, as such, are excluded from the scope of Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC) Topic 815, Derivatives and Hedging. Those contracts are accounted for as executory contracts and recorded on an accrual basis. Revenues and expenses from such contracts are recorded gross. Contracts not designated as normal purchases or normal sales are recorded as derivatives with changes in fair value recognized in earnings in the periods prior to physical delivery. Certain of Spire Marketing’s wholesale purchase and sale transactions are classified as trading activities for financial reporting purposes. Under GAAP, revenues and expenses associated with trading activities are presented on a net basis in Gas Marketing operating revenues (or expenses, if negative) in the Condensed Consolidated Statements of Income. This net presentation has no effect on operating income or net income.

REGULATED OPERATIONS – The Utilities account for their regulated operations in accordance with FASB ASC Topic 980, Regulated Operations. This topic sets forth the application of GAAP for those companies whose rates are established by or are subject to approval by an independent third-party regulator. The provisions of this accounting guidance require, among other things, that financial statements of a regulated enterprise reflect the actions of regulators, where appropriate. These actions may result in the recognition of revenues and expenses in time periods that are different than non-regulated enterprises. When this occurs, costs are deferred as assets in the balance sheet (regulatory assets) and recorded as expenses when those amounts are reflected in rates. In addition, regulators can impose liabilities upon a regulated company for amounts previously collected from customers and for recovery of costs that are expected to be incurred in the future (regulatory liabilities). Management believes that the current regulatory environment supports the continued use of these regulatory accounting principles and that all regulatory assets and regulatory liabilities are recoverable or refundable through the regulatory process.

As authorized by the Missouri Public Service Commission (MoPSC), the Mississippi Public Service Commission (MSPSC) and the Alabama Public Service Commission (APSC), the Purchased Gas Adjustment (PGA) clauses and Gas Supply Adjustment (GSA) riders allow the Utilities to pass through to customers the cost of purchased gas supplies. Regulatory assets and liabilities related to the PGA clauses and the GSA riders are both labeled Unamortized Purchased Gas Adjustments herein. See additional information about regulatory assets and liabilities in Note 4, Regulatory Matters.

22

TRANSACTIONS WITH AFFILIATES – Transactions between affiliates of the Company have been eliminated from the consolidated financial statements of Spire. Spire Missouri and Spire Alabama borrowed funds from the Company and incurred related interest, as reflected in their separate financial statements, and they participated in normal intercompany shared services transactions. In addition, Spire Missouri’s other transactions with affiliates are presented in the table below:

	Three Months Ended June 30,				Nine Months Ended June 30,
	2020		2019		2020		2019
Purchases of natural gas from Spire Marketing Inc.	$	10.9	$	12.3	$	43.7	$	81.3
Transportation services received from Spire STL Pipeline LLC		8.0		—		19.8		—
Sales of natural gas to Spire Marketing Inc.		—		0.2		—		1.6
Transportation services received from Spire NGL Inc.		0.3		0.3		0.8		0.8

In the three and nine months ended June 30, 2020, Spire Alabama had purchases of natural gas from Spire Marketing totaling $0.8 and $5.1, respectively. In the three months ended June 30, 2020, Spire Alabama had $0.3 of natural gas sales to Spire Marketing.

ACCRUED CAPITAL EXPENDITURES – Accrued capital expenditures, shown in the following table, are excluded from capital expenditures in the statements of cash flows until paid.

	June 30,		September 30,		June 30,
	2020		2019		2019
Spire	$	54.4	$	80.6	$	60.2
Spire Missouri		28.9		40.1		26.3
Spire Alabama		14.4		11.9		9.0

NEW ACCOUNTING PRONOUNCEMENTS – Spire, Spire Missouri and Spire Alabama adopted Accounting Standards Update (ASU) No. 2016-02, Leases, along with related ASU Nos. 2018-01, 2018-10, 2018-11, 2018-20 and 2019-01 (collectively, “ASC 842”) using a modified retrospective transition method for leases existing at, or entered into after, October 1, 2019. Under the selected transition method, comparative periods in the financial statements are presented under ASC 840 (previous lease accounting guidance). ASC 842 requires lessees to recognize a right-of-use asset and lease liability for almost all lease contracts based on the present value of lease payments. It provides new guidelines for identifying and classifying a lease, and classification affects the pattern and income statement line item for the related expense. The Company and its subsidiaries elected a package of three practical expedients permitted by the standard, allowing them not to reassess existing contracts for (1) whether it is or contains a lease, (2) lease classification and (3) initial direct costs. They also elected to use the benefit of hindsight in determining both the lease term and impairments associated with any existing leases, which resulted in lease terms that best represent management’s expectations with respect to use of the underlying asset but did not result in recognition of any impairment. Finally, they elected not to assess whether existing land easements are leases under ASC 842. The adoption of ASC 842 impacted the balance sheets through recognition of right-of-use assets and lease liabilities for operating leases but did not result in a cumulative effect adjustment or significant impacts to income or cash flows. For other lease policy elections and disclosures about leases, see Note 11, Leases.

Spire, Spire Missouri and Spire Alabama adopted the guidance in ASU No. 2017-12, Derivatives and Hedging: Targeted Improvements to Accounting for Hedging Activities, and related ASU Nos. 2018-16, 2019-04, and 2019-10 in the first quarter of fiscal year 2020. The amendments in these ASUs more closely align the results of hedge accounting with risk management activities through changes to both the designation and measurement guidance for qualifying hedging relationships and the presentation of hedge results in the financial statements. They did not have a significant impact on the financial statements.

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In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments – Credit Losses: Measurement of Credit Losses on Financial Instruments, which was later supplemented by ASU Nos. 2018-19, 2019-04, 2019-05 and 2019-11. The standard introduces new guidance for the accounting for credit losses on instruments within its scope, including trade receivables. It is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. The new guidance will be initially applied through a cumulative-effect adjustment to retained earnings as of the beginning of the period of adoption. Spire, Spire Missouri and Spire Alabama are currently assessing the impacts of adopting this standard, which must be adopted by the first quarter of fiscal 2021.

2. REVENUE

The following tables show revenue disaggregated by source and customer type.

	Three Months Ended June 30,						Nine Months Ended June 30,
	2020			2019			2020			2019
Spire
Gas Utility:
Residential	$	208.1		$	188.1		$	1,048.4		$	1,133.0
Commercial & industrial		57.5			68.5			336.8			384.7
Transportation		26.1			25.6			89.6			86.4
Off-system & other incentive		9.3			7.7			28.0			34.1
Other customer revenue		5.0			8.8			10.6			32.4
Total revenue from contracts with customers		306.0			298.7			1,513.4			1,670.6
Changes in accrued revenue under alternative revenue programs		—			2.9			2.3			(17.0	)
Total Gas Utility operating revenues		306.0			301.6			1,515.7			1,653.6
Gas Marketing:
Revenue from contracts with retail customers		11.6			18.3			77.2			69.6
Revenue from wholesale derivative contracts		—			—			—			—
Total Gas Marketing operating revenues		11.6			18.3			77.2			69.6
Other		15.4			4.6			41.2			14.3
Total before eliminations		333.0			324.5			1,634.1			1,737.5
Intersegment eliminations (see Note 9, Information by Operating Segment)		(11.9	)		(3.2	)		(30.6	)		(10.7	)
Total Operating Revenues	$	321.1		$	321.3		$	1,603.5		$	1,726.8

Spire Missouri
Residential	$	153.2		$	133.4	$	760.2	$	846.4
Commercial & industrial		35.9			39.6		215.9		257.9
Transportation		7.4			7.1		26.1		26.0
Off-system & other incentive		7.6			7.7		26.3		34.1
Other customer revenue		3.2			3.2		4.6		10.0
Total revenue from contracts with customers		207.3			191.0		1,033.1		1,174.4
Changes in accrued revenue under alternative revenue programs		(3.4	)		0.4		2.3		(13.2	)
Total Operating Revenues	$	203.9		$	191.4	$	1,035.4	$	1,161.2

Spire Alabama
Residential	$	44.7	$	45.7	$	239.5		$	238.0
Commercial & industrial		17.1		21.6		94.6			97.1
Transportation		16.2		16.3		55.7			53.3
Off-system & other incentive		1.7		—		1.7			—
Other customer revenue		0.4		4.9		3.7			19.8
Total revenue from contracts with customers		80.1		88.5		395.2			408.2
Changes in accrued revenue under alternative revenue programs		1.1		2.3		(2.3	)		(3.5	)
Total Operating Revenues	$	81.2	$	90.8	$	392.9		$	404.7

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Gross receipts taxes associated with the Company’s natural gas utility services are imposed on the Company, Spire Missouri, and Spire Alabama and billed to its customers. The expense amounts (shown in the table below) are reported gross in the “Taxes, other than income taxes” line in the statements of income, and corresponding revenues are reported in “Operating Revenues.”

	Three Months Ended June 30,				Nine Months Ended June 30,
	2020		2019		2020		2019
Spire	$	17.2	$	18.2	$	79.7	$	87.6
Spire Missouri		12.1		12.5		55.5		63.1
Spire Alabama		4.2		4.8		20.3		20.7

3. EARNINGS PER COMMON SHARE

	Three Months Ended June 30,						Nine Months Ended June 30,
	2020			2019			2020		2019
Basic Earnings Per Common Share:
Net (Loss) Income	$	(92.3	)	$	(3.0	)	$	108.3	$	218.9
Less: Provision for preferred dividends		3.7			1.6			11.1		1.6
(Loss) income allocated to participating securities		(0.1	)		—			0.2		0.5
(Loss) income Available to Common Shareholders	$	(95.9	)	$	(4.6	)	$	97.0	$	216.8
Weighted Average Common Shares Outstanding (in millions)		51.2			50.7			51.1		50.6
Basic (Loss) Earnings Per Common Share	$	(1.87	)	$	(0.09	)	$	1.90	$	4.28
Diluted Earnings Per Common Share:
Net (Loss) Income	$	(92.3	)	$	(3.0	)	$	108.3	$	218.9
Less: Provision for preferred dividends		3.7			1.6			11.1		1.6
(Loss) income allocated to participating securities		(0.1	)		—			0.2		0.5
(Loss) Income Available to Common Shareholders	$	(95.9	)	$	(4.6	)	$	97.0	$	216.8
Weighted Average Common Shares Outstanding (in millions)		51.2			50.7			51.1		50.6
Dilutive Effect of Restricted Stock and Restricted Stock Units (in millions)*		—			—			0.1		0.2
Weighted Average Diluted Common Shares (in millions)		51.2			50.7			51.2		50.8
Diluted (Loss) Earnings Per Common Share	$	(1.87	)	$	(0.09	)	$	1.90	$	4.27
* Calculation excludes certain outstanding common shares (shown in millions by    period at the right) attributable to stock units subject to performance or market    conditions and restricted stock, which could have a dilutive effect in the future		0.1			0.3			0.1		0.3

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4. REGULATORY MATTERS

As explained in Note 1, Summary of Significant Accounting Policies, the Utilities account for regulated operations in accordance with FASB ASC Topic 980, Regulated Operations. The following regulatory assets and regulatory liabilities were reflected in the balance sheets of the Company, Spire Missouri and Spire Alabama as of June 30, 2020, September 30, 2019, and June 30, 2019.

	June 30,		September 30,		June 30,
Spire	2020		2019		2019
Regulatory Assets:
Current:
Pension and postretirement benefit costs	$	30.1	$	30.1	$	30.1
Unamortized purchased gas adjustments		9.6		18.2		18.9
Other		30.5		30.3		30.0
Total Current Regulatory Assets		70.2		78.6		79.0
Noncurrent:
Pension and postretirement benefit costs		415.3		416.6		335.7
Cost of removal		160.4		150.9		137.4
Future income taxes due from customers		120.7		108.8		105.7
Energy efficiency		38.2		35.0		32.6
Unamortized purchased gas adjustments		—		9.1		—
Other		57.2		47.2		45.7
Total Noncurrent Regulatory Assets		791.8		767.6		657.1
Total Regulatory Assets	$	862.0	$	846.2	$	736.1
Regulatory Liabilities:
Current:
Pension and postretirement benefit costs	$	5.8	$	5.8	$	5.8
Unamortized purchased gas adjustments		21.1		26.2		3.3
Other		31.9		28.8		22.2
Total Current Regulatory Liabilities		58.8		60.8		31.3
Noncurrent:
Deferred taxes due to customers		156.4		179.8		152.9
Pension and postretirement benefit costs		157.6		142.3		119.8
Accrued cost of removal		26.4		41.6		45.8
Unamortized purchased gas adjustments		79.9		—		47.9
Other		29.3		35.3		29.9
Total Noncurrent Regulatory Liabilities		449.6		399.0		396.3
Total Regulatory Liabilities	$	508.4	$	459.8	$	427.6

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	June 30,		September 30,		June 30,
Spire Missouri	2020		2019		2019
Regulatory Assets:
Current:
Pension and postretirement benefit costs	$	21.9	$	21.9	$	21.9
Unamortized purchased gas adjustments		0.1		—		0.8
Other		7.5		7.5		7.5
Total Current Regulatory Assets		29.5		29.4		30.2
Noncurrent:
Future income taxes due from customers		111.8		102.9		101.3
Pension and postretirement benefit costs		340.6		333.3		269.8
Energy efficiency		38.2		35.0		32.6
Unamortized purchased gas adjustments		—		9.1		—
Cost of removal		1.3		—		—
Other		40.0		27.2		25.5
Total Noncurrent Regulatory Assets		531.9		507.5		429.2
Total Regulatory Assets	$	561.4	$	536.9	$	459.4
Regulatory Liabilities:
Current:
Pension and postretirement benefit costs	$	3.6	$	3.6	$	3.6
Unamortized purchased gas adjustments		20.0		25.4		2.5
Other		27.2		23.3		17.3
Total Current Regulatory Liabilities		50.8		52.3		23.4
Noncurrent:
Deferred taxes due to customers		139.0		162.5		135.5
Pension and postretirement benefit costs		136.4		119.1		84.6
Accrued cost of removal		—		15.7		18.4
Unamortized purchased gas adjustments		79.9		—		47.9
Other		23.6		29.2		24.1
Total Noncurrent Regulatory Liabilities		378.9		326.5		310.5
Total Regulatory Liabilities	$	429.7	$	378.8	$	333.9

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	June 30,		September 30,		June 30,
Spire Alabama	2020		2019		2019
Regulatory Assets:
Current:
Pension and postretirement benefit costs	$	7.2	$	7.3	$	7.3
Unamortized purchased gas adjustments		9.5		17.7		17.6
Other		6.7		8.9		9.0
Total Current Regulatory Assets		23.4		33.9		33.9
Noncurrent:
Pension and postretirement benefit costs		69.9		77.2		59.3
Cost of removal		159.1		150.9		137.4
Future income taxes due from customers		2.2		—		—
Other		0.9		3.1		3.2
Total Noncurrent Regulatory Assets		232.1		231.2		199.9
Total Regulatory Assets	$	255.5	$	265.1	$	233.8
Regulatory Liabilities:
Current:
Pension and postretirement benefit costs	$	2.2	$	2.2	$	2.3
Other		0.3		1.2		1.1
Total Current Regulatory Liabilities		2.5		3.4		3.4
Noncurrent:
Pension and postretirement benefit costs		17.2		19.1		25.8
Other		3.7		3.9		4.0
Total Noncurrent Regulatory Liabilities		20.9		23.0		29.8
Total Regulatory Liabilities	$	23.4	$	26.4	$	33.2

A portion of the Company’s and Spire Missouri’s regulatory assets are not earning a return, as shown in the table below:

	June 30,		September 30,		June 30,
	2020		2019		2019
Spire
Pension and postretirement benefit costs	$	234.7	$	211.1	$	142.1
Future income taxes due from customers		118.4		108.8		105.7
Other		13.2		14.3		14.5
Total Regulatory Assets Not Earning a Return	$	366.3	$	334.2	$	262.3
Spire Missouri
Pension and postretirement benefit costs	$	234.7	$	211.1	$	142.1
Future income taxes due from customers		111.8		102.9		101.3
Other		13.2		14.3		14.5
Total Regulatory Assets Not Earning a Return	$	359.7	$	328.3	$	257.9

Like all the Company’s regulatory assets, these regulatory assets are expected to be recovered from customers in future rates. The recovery period for the future income taxes due from customers and pension and other postretirement benefit costs could be 20 years or longer, based on current Internal Revenue Service guidelines and average remaining service life of active participants, respectively. The other items not earning a return are expected to be recovered over a period not to exceed 15 years, consistent with precedent set by the MoPSC. Spire Alabama does not have any regulatory assets that are not earning a return.

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Spire Missouri

On March 7, 2018, the MoPSC issued its order in two general rate cases (docketed as GR-2017-0215 and GR-2017-0216), approving new tariffs that became effective on April 19, 2018. On April 25, 2018, Spire Missouri filed an appeal of the MoPSC’s order related to the disallowance of certain pension costs incurred prior to 1997 ($28.8), real estate sold in 2014 ($1.8), and rate case expenses ($0.9) to Missouri’s Southern District Court of Appeals. On March 15, 2019, the appeal was denied by the Southern District Court of Appeals, and Spire Missouri requested review by the Missouri Supreme Court, which agreed to take the case. Oral arguments were made before the Missouri Supreme Court on January 29, 2020. The case is awaiting a decision.

Spire Missouri filed Infrastructure System Replacement Surcharge (ISRS) applications which were approved by the MoPSC and the costs associated therewith were included in new tariffs that went into effect from our last general rate cases on April 19, 2018. Since the Company’s last rate cases, ISRS filings became effective on October 8, 2018, May 25, 2019, November 16, 2019, and May 25, 2020, bringing total authorized future annualized ISRS revenues for Spire Missouri to $40.3. Additional ISRS requests totaling $8.7 were filed August 4, 2020.

On November 19, 2019, the Missouri Western District Court of Appeals issued rulings (“ISRS rulings”) that determined certain capital investments in 2016 through 2018 were not eligible for recovery under the ISRS. The ISRS rulings upheld appeals by the Office of Public Counsel (OPC) that contested recovery of portions of Spire Missouri’s ISRS and overturned the three prior MoPSC decisions. In the third quarter of fiscal 2020, Spire Missouri reached a settlement with the MoPSC staff and the OPC to resolve these cases, which was subsequently approved by the MoPSC. Pursuant to the settlement, Spire Missouri will make a customer refund in the total amount of $15.0 as a one-time bill credit to be issued in August 2020. This refund will be applied to the $12.2 provision accrued in fiscal year 2019, while the remaining balance of $2.8 impacts fiscal 2020 revenue and earnings. The provision accrued in the first six months of fiscal 2020 was $4.8, so $2.0 was reversed in the quarter ended June 30, 2020. Pursuant to the settlement, ISRS rates remain unchanged.

Additional ISRS revenues are currently under appeal related to the January 2019 ISRS filings with annual authorized revenue of $12.4, as approved by the MoPSC effective May 25, 2019, and the July 2019 ISRS filings with annual authorized revenue totaling $8.8, which was approved by the MoPSC effective November 16, 2019. Those cases are in various stages of briefing, and no decisions have yet been rendered by the Missouri Western District Court of Appeals. In future periods, Spire Missouri will evaluate the need for any additional provisions based upon new information and further developments.

In January 2020, legislation was introduced in both the Missouri House and Senate to clarify language in the statute governing the ISRS mechanism. Specifically, the bills sought to ensure that Spire Missouri could continue to upgrade its infrastructure and enhance its safety and reliability, while securing timely recovery of costs incurred. House Bill 2120 was passed by the General Assembly on May 15, 2020 and signed into law by Missouri Governor Parson on July 2, 2020, clarifying which infrastructure investments qualify for ISRS recovery under the statute. The provisions of the bill become effective August 28, 2020. The Company expects those amendments to apply to new ISRS applications made on or after that date.

Spire Missouri requested an Accounting Authority Order (AAO) on May 18, 2020 to identify, track, document, accumulate, and defer in a regulatory asset from March 1, 2020 forward, the following: (1) its actual reasonable and prudently incurred costs related to the COVID-19 pandemic, including but not limited to (a) new or incremental operating and maintenance expense related to protecting employees and customers, and to plan for and communicate about impacts of the pandemic, (b) increased bad debt expense to the extent it exceeds levels included in the cost of service, (c) costs related to preparing for and any actual sequestration of employees, and (d) costs related to new assistance programs implemented to aid customers with payment of natural gas bills during the pandemic; (2) lost revenues related to the COVID-19 pandemic; (3) less costs avoided related to COVID-19; and (4) carrying costs. These items would be tracked and deferred for consideration by the Commission for rate recovery in the Company’s next general rate case. Carrying costs would be calculated using Spire Missouri’s cost of capital,

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exclusive of related taxes, as determined in its most recent rate case. Hearings are scheduled for later this calendar year. In the meantime, no related regulatory assets have been recorded.

Spire Alabama

As part of their annual updates for Rate Stabilization and Equalization (RSE), on November 25, 2019, Spire Alabama and Spire Gulf filed an increase for rate year 2020 of $5.9 and $1.6, respectively, which became effective December 1, 2019. In addition, Spire Alabama was granted authority to begin an off-system sales and capacity release sharing program similar to the program currently in place at Spire Missouri.

Spire Alabama filed a Gas Supply Adjustment (GSA) rate decrease effective February 1, 2020, of approximately $13.9 (on an annual basis) primarily attributable to lower natural gas prices and results of the recently approved off-system sale and capacity release share program.

On March 24, 2020, the APSC approved an application for up to $150.0 of long-term debt financing for Spire Alabama.

Spire Alabama is tracking costs and other impacts of COVID-19 in the event that some of these items could be recoverable under its Enhanced Stability Reserve (ESR), but no related changes to regulatory assets or liabilities have been recorded to date.

Other

On November 21, 2019, the Federal Energy Regulatory Commission (FERC) issued an Order on Rehearing of its August 3, 2018 order issuing a certificate of public convenience and necessity to Spire STL Pipeline LLC. In the Order on Rehearing, the FERC dismissed or denied the outstanding requests for rehearing filed by several parties, dismissed the request for stay filed by one party and noted the withdrawal of the request for rehearing by another party. On January 21, 2020, two of the rehearing parties timely filed petitions for review of the FERC’s orders with the Court of Appeals for the District of Columbia Circuit. Spire STL Pipeline and Spire Missouri have intervened in this matter.

5. FINANCING ARRANGEMENTS AND LONG-TERM DEBT

Spire, Spire Missouri and Spire Alabama have a syndicated revolving credit facility pursuant to a loan agreement with 11 banks, expiring October 31, 2023. The loan agreement has an aggregate credit commitment of $975.0, including sublimits of $300.0 for Spire, $475.0 for Spire Missouri, and $200.0 for Spire Alabama. These sublimits may be reallocated from time to time among the three borrowers within the $975.0 aggregate commitment, with commitments fees applied for each borrower relative to its credit rating. Spire may use its line to provide for the funding needs of various subsidiaries. The agreement also contains financial covenants limiting each borrower’s consolidated total debt, including short-term debt, to no more than 70% of its total capitalization. As defined in the line of credit, on June 30, 2020, total debt was less than 60% of total capitalization for each borrower.

Spire has a commercial paper program (“CP Program”) pursuant to which Spire may issue short-term, unsecured commercial paper notes. Amounts available under the CP Program may be borrowed, repaid and re-borrowed from time to time, with the aggregate face or principal amount of the notes outstanding under the CP Program at any time not to exceed $975.0. The notes may have maturities of up to 365 days from date of issue.

On March 26, 2020, Spire entered into a new loan agreement with two banks providing for a term loan of $150.0, which was immediately fully funded and matures on March 25, 2021, subject to optional prepayment by Spire. The term loan bears interest at the LIBOR Rate (as defined in the loan agreement) plus 0.85% per annum. Proceeds were used for working capital and general corporate purposes.

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Information about Spire’s consolidated short-term borrowings and about Spire Missouri’s and Spire Alabama’s borrowings from Spire is presented in the following table. As of June 30, 2020, $324.5 of Spire’s short-term borrowings were used to support lending to the Utilities.

	Spire (Parent Only)									Spire Missouri						Spire Alabama						Spire
	Credit			Term			CP			Credit			Spire			Credit			Spire			Consol-
	Facility			Loan			Program			Facility			Note			Facility			Note			idated
Nine Months Ended June 30, 2020
Weighted average borrowings	$	0.1		$	53.1		$	498.5		$	23.9		$	240.4		$	6.1		$	86.0		$	581.7
Lowest borrowings outstanding		—			—			73.5			—			16.0			—			18.5			432.6
Highest borrowings outstanding		23.1			150.0			856.6			185.1			429.5			50.0			161.3			856.6
Weighted average interest rate		1.9	%		2.1	%		2.0	%		1.9	%		1.9	%		0.6	%		1.8	%		2.0	%
As of June 30, 2020
Borrowings outstanding	$	—		$	150.0		$	327.6		$	—		$	218.3		$	—		$	85.6		$	477.6
Weighted average interest rate	n/a				1.2	%		0.5	%	n/a				0.5	%	n/a				0.5	%		0.9	%
As of September 30, 2019
Borrowings outstanding	$	—		$	—		$	743.2		$	—		$	386.4		$	—		$	128.7		$	743.2
Weighted average interest rate	n/a			n/a				2.3	%	n/a				2.3	%	n/a				2.3	%		2.3	%
As of June 30, 2019
Borrowings outstanding	$	—		$	—		$	434.0		$	—		$	281.5		$	—		$	79.6		$	434.0
Weighted average interest rate	n/a			n/a				2.7	%	n/a				2.7	%	n/a				2.7	%		2.7	%

The long-term debt agreements of Spire, Spire Missouri and Spire Alabama contain customary covenants and default provisions. As of June 30, 2020, there were no events of default under these covenants.

Interest expense shown on Spire’s consolidated statements of income and Spire Missouri’s statements of comprehensive income is net of the capitalized interest amounts shown in the following table.

	Three Months Ended June 30,				Nine Months Ended June 30,
	2020		2019		2020		2019
Spire	$	1.2	$	2.0	$	4.8	$	4.6
Spire Missouri		0.2		0.5		0.8		1.4
Spire Alabama		0.4		—		1.4		—

On November 12, 2019, Spire Missouri issued and sold to certain institutional purchasers in a private placement $275.0 of 2.84% first mortgage bonds due November 15, 2029. Interest is payable semi-annually. The bonds are secured by a mortgage and deed of trust and rank equal in right to payment with all Spire Missouri’s other first mortgage bonds. Spire Missouri used the proceeds to repay its $100.0 floating-rate note and for other general corporate purposes.

On December 2, 2019, Spire Alabama issued and sold to certain institutional investors in a private placement $100.0 of 2.88% Series 2019B Senior Notes due December 1, 2029. Interest is payable semi-annually. The notes are senior unsecured obligations of Spire Alabama and rank equal in right to payment with all its other senior unsecured indebtedness. Spire Alabama used the proceeds to repay short-term debt and for general corporate purposes.

On December 23, 2019, Spire STL Pipeline issued and sold notes to certain institutional investors in a $135.0 private placement. Interest is payable semi-annually at 2.95%, and principal repayment is scheduled annually in accordance with a 15-year amortization schedule with an average life of 9.2 years. Proceeds were used to repay short-term debt.

On June 16, 2020, Spire Missouri purchased and cancelled a portion of its outstanding first mortgage bonds, including $5.7 of its 7% bonds due 2029, $0.8 of its 6% bonds due 2034, $0.5 of its 6.15% bonds due 2036, and $0.1 of its 4.625% bonds due 2043.

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6. FAIR VALUE OF FINANCIAL INSTRUMENTS

The carrying amounts of cash and cash equivalents and short-term debt approximate fair value due to the short maturity of these instruments. The fair values of long-term debt are estimated based on market prices for similar issues. Refer to Note 7, Fair Value Measurements, for information on financial instruments measured at fair value on a recurring basis.

The carrying amounts and estimated fair values of financial instruments not measured at fair value on a recurring basis are shown in the following tables, classified according to the fair value hierarchy. There were no such instruments classified as Level 3 (significant unobservable inputs) as of June 30, 2020, September 30, 2019, and June 30, 2019.

					Classification of Estimated Fair Value
	Carrying Amount		Fair Value		Quoted Prices in Active Markets (Level 1)		Significant Observable Inputs (Level 2)
Spire
As of June 30, 2020
Cash and cash equivalents	$	7.4	$	7.4	$	7.4	$	—
Notes payable		477.6		477.6		—		477.6
Long-term debt, including current portion		2,483.7		2,875.5		—		2,875.5
As of September 30, 2019
Cash and cash equivalents	$	5.8	$	5.8	$	5.8	$	—
Notes payable		743.2		743.2		—		743.2
Long-term debt, including current portion		2,122.6		2,373.4		—		2,373.4
As of June 30, 2019
Cash and cash equivalents	$	5.8	$	5.8	$	5.8	$	—
Notes payable		434.0		434.0		—		434.0
Long-term debt, including current portion		2,207.3		2,363.1		—		2,363.1
Spire Missouri
As of June 30, 2020
Cash and cash equivalents	$	0.7	$	0.7	$	0.7	$	—
Notes payable – associated companies		218.3		218.3		—		218.3
Long-term debt		1,091.9		1,303.2		—		1,303.2
As of September 30, 2019
Cash and cash equivalents	$	2.6	$	2.6	$	2.6	$	—
Notes payable – associated companies		386.4		386.4		—		386.4
Long-term debt		925.0		1,065.2		—		1,065.2
As of June 30, 2019
Cash and cash equivalents	$	3.7	$	3.7	$	3.7	$	—
Notes payable – associated companies		281.5		281.5		—		281.5
Long-term debt, including current portion		924.8		1,027.6		—		1,027.6
Spire Alabama
As of June 30, 2020
Notes payable – associated companies		85.6		85.6		—		85.6
Long-term debt		471.8		572.3		—		572.3
As of September 30, 2019
Notes payable – associated companies	$	128.7	$	128.7	$	—	$	128.7
Long-term debt, including current portion		412.2		474.8		—		474.8
As of June 30, 2019
Notes payable – associated companies	$	79.6	$	79.6	$	—	$	79.6
Long-term debt, including current portion		412.1		450.2		—		450.2

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7. FAIR VALUE MEASUREMENTS

The information presented below categorizes the assets and liabilities in the balance sheets that are accounted for at fair value on a recurring basis in periods subsequent to initial recognition.

The mutual funds included in Level 1 are valued based on exchange-quoted market prices of individual securities.

Derivative instruments included in Level 1 are valued using quoted market prices on the New York Mercantile Exchange (NYMEX) or the Intercontinental Exchange (ICE). Derivative instruments classified in Level 2 include physical commodity derivatives that are valued using broker or dealer quotation services whose prices are derived principally from, or are corroborated by, observable market inputs. Also included in Level 2 are certain derivative instruments that have values that are similar to, and correlate with, quoted prices for exchange-traded instruments in active markets. Derivative instruments included in Level 3 are valued using generally unobservable inputs that are based upon the best information available and reflect management’s assumptions about how market participants would price the asset or liability. The Level 3 balances as of June 30, 2020, September 30, 2019, and June 30, 2019, consisted of gas commodity contracts. The Company’s and the Utilities’ policy is to recognize transfers between the levels of the fair value hierarchy, if any, as of the beginning of the interim reporting period in which circumstances change or events occur to cause the transfer.

The mutual funds are included in “Other Investments” on the Company’s balance sheets and in “Other Property and Investments” on Spire Missouri’s balance sheets. Derivative assets and liabilities, including receivables and payables associated with cash margin requirements, are presented net in the balance sheets when a legally enforceable netting agreement exists between the Company, Spire Missouri, or Spire Alabama and the counterparty to a derivative contract.

Spire

	Quoted Prices in Active Markets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Effects of Netting and Cash Margin Receivables /Payables			Total
As of June 30, 2020
ASSETS
Gas Utility:
U.S. stock/bond mutual funds	$	20.8	$	—	$	—	$	—		$	20.8
NYMEX/ICE natural gas contracts		1.8		—		—		(1.8	)		—
Gasoline and heating oil contracts		0.3		—		—		(0.3	)		—
Gas Marketing:
NYMEX/ICE natural gas contracts		—		20.1		—		(16.4	)		3.7
Natural gas commodity contracts		—		17.5		1.0		(6.4	)		12.1
Other:
U.S. stock/bond mutual funds		19.2		—		—		—			19.2
Total	$	42.1	$	37.6	$	1.0	$	(24.9	)	$	55.8
LIABILITIES
Gas Utility:
NYMEX/ICE natural gas contracts	$	7.2	$	—	$	—	$	(7.2	)	$	—
Gas Marketing:
NYMEX/ICE natural gas contracts		0.3		16.1		—		(16.4	)		—
Natural gas commodity contracts		—		16.7		—		(6.4	)		10.3
Other:
Interest rate swaps		—		66.1		—		—			66.1
Total	$	7.5	$	98.9	$	—	$	(30.0	)	$	76.4

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	Quoted Prices in Active Markets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Effects of Netting and Cash Margin Receivables /Payables			Total
As of September 30, 2019
ASSETS
Gas Utility:
U.S. stock/bond mutual funds	$	20.5	$	—	$	—	$	—		$	20.5
Gas Marketing:
NYMEX/ICE natural gas contracts		0.9		6.5		—		(6.9	)		0.5
Natural gas commodity contracts		—		16.8		—		(2.5	)		14.3
Other:
U.S. stock/bond mutual funds		15.5		—		—		—			15.5
Total	$	36.9	$	23.3	$	—	$	(9.4	)	$	50.8
LIABILITIES
Gas Utility:
NYMEX/ICE natural gas contracts	$	12.3	$	—	$	—	$	(12.3	)	$	—
Gas Marketing:
NYMEX/ICE natural gas contracts		0.4		8.5		—		(8.9	)		—
Natural gas commodity contracts		—		13.8		0.1		(2.5	)		11.4
Other:
Interest rate swaps		—		43.4		—		—			43.4
Total	$	12.7	$	65.7	$	0.1	$	(23.7	)	$	54.8
As of June 30, 2019
ASSETS
Gas Utility:
U.S. stock/bond mutual funds	$	20.4	$	—	$	—	$	—		$	20.4
Gas Marketing:
NYMEX/ICE natural gas contracts		0.8		5.0		—		(5.5	)		0.3
Natural gas commodity contracts		—		22.0		—		(2.4	)		19.6
Other:
U.S. stock/bond mutual funds		16.6		—		—		—			16.6
Total	$	37.8	$	27.0	$	—	$	(7.9	)	$	56.9
LIABILITIES
Gas Utility:
NYMEX/ICE natural gas contracts	$	11.1	$	—	$	—	$	(11.1	)	$	—
Gas Marketing:
NYMEX/ICE natural gas contracts		0.7		5.4		—		(6.1	)		—
Natural gas commodity contracts		—		15.2		0.2		(2.4	)		13.0
Other:
Interest rate swaps		—		27.4		—		—			27.4
Total	$	11.8	$	48.0	$	0.2	$	(19.6	)	$	40.4

34

Spire Missouri

	Quoted Prices in Active Markets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Effects of Netting and Cash Margin Receivables /Payables			Total
As of June 30, 2020
ASSETS
U.S. stock/bond mutual funds	$	20.8	$	—	$	—	$	—		$	20.8
NYMEX/ICE natural gas contracts		1.8		—		—		(1.8	)		—
Gasoline and heating oil contracts		0.3		—		—		(0.3	)		—
Total	$	22.9	$	—	$	—	$	(2.1	)	$	20.8
LIABILITIES
NYMEX/ICE natural gas contracts	$	7.2	$	—	$	—	$	(7.2	)	$	—
As of September 30, 2019
ASSETS
U.S. stock/bond mutual funds	$	20.5	$	—	$	—	$	—		$	20.5
LIABILITIES
NYMEX/ICE natural gas contracts	$	12.3	$	—	$	—	$	(12.3	)	$	—
As of June 30, 2019
ASSETS
U.S. stock/bond mutual funds	$	20.4	$	—	$	—	$	—		$	20.4
LIABILITIES
NYMEX/ICE natural gas contracts	$	11.1	$	—	$	—	$	(11.1	)	$	—

Spire Alabama

Spire Alabama occasionally utilizes a gasoline derivative program to stabilize the cost of fuel used in operations but had no outstanding derivative contracts as of June 30, 2020, September 30, 2019 and June 30, 2019. 

8. PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS

Pension Plans

Spire and the Utilities maintain pension plans for their employees.

Spire Missouri has non-contributory, defined benefit, trusteed forms of pension plans covering the majority of its employees. Plan assets consist primarily of corporate and U.S. government obligations and a growth segment consisting of exposure to equity markets, commodities, real estate and inflation-indexed securities, achieved through derivative instruments.

Spire Alabama has non-contributory, defined benefit, trusteed forms of pension plans covering the majority of its employees. Qualified plan assets are comprised of mutual and commingled funds consisting of U.S. equities with varying strategies, global equities, alternative investments, and fixed income investments.

35

The net periodic pension cost included the following components:

	Three Months Ended June 30,						Nine Months Ended June 30,
	2020			2019			2020			2019
Spire
Service cost – benefits earned during the period	$	5.7		$	4.8		$	16.8		$	14.5
Interest cost on projected benefit obligation*		5.5			7.1			17.2			21.2
Expected return on plan assets*		(8.5	)		(9.2	)		(26.7	)		(27.2	)
Amortization of prior service credit*		(0.6	)		(0.3	)		(1.8	)		(0.9	)
Amortization of actuarial loss*		3.3			2.3			10.9			6.9
Loss on lump-sum settlements*		2.3			—			23.3			—
Subtotal		7.7			4.7			39.7			14.5
Regulatory adjustment		7.4			10.1			5.7			29.8
Net pension cost	$	15.1		$	14.8		$	45.4		$	44.3
Spire Missouri
Service cost – benefits earned during the period	$	4.0		$	3.2		$	11.7		$	9.4
Interest cost on projected benefit obligation*		3.8			5.0			12.0			14.9
Expected return on plan assets*		(5.9	)		(6.5	)		(18.8	)		(19.2	)
Amortization of prior service cost*		—			0.2			0.1			0.6
Amortization of actuarial loss*		2.6			2.2			8.6			6.5
Loss on lump-sum settlements*		2.3			—			23.3			—
Subtotal		6.8			4.1			36.9			12.2
Regulatory adjustment		5.4			8.0			(0.1	)		23.9
Net pension cost	$	12.2		$	12.1		$	36.8		$	36.1
Spire Alabama
Service cost – benefits earned during the period	$	1.6		$	1.5		$	4.6		$	4.6
Interest cost on projected benefit obligation*		1.2			1.5			3.7			4.5
Expected return on plan assets*		(1.7	)		(1.8	)		(5.2	)		(5.4	)
Amortization of prior service credit*		(0.6	)		(0.5	)		(1.8	)		(1.4	)
Amortization of actuarial loss*		0.7			0.2			2.3			0.6
Subtotal		1.2			0.9			3.6			2.9
Regulatory adjustment		1.7			1.8			5.1			5.2
Net pension cost	$	2.9		$	2.7		$	8.7		$	8.1

* Denotes pension expense line items that are recorded below the operating income line in the income statements, in the line item “Other Income (Expense), Net.”

Pursuant to the provisions of Spire Missouri’s and Spire Alabama’s pension plans, pension obligations may be satisfied by monthly annuities, lump-sum cash payments, or special termination benefits. Lump-sum payments are recognized as settlements (which can result in gains or losses) only if the total of such payments exceeds the sum of service and interest costs in a specific year. Special termination benefits, when offered, are also recognized as settlements which can result in gains or losses. In the quarter ended March 31, 2020, two Spire Missouri plans met the criteria for settlement recognition. The lump-sum payments recognized as settlements for the remeasurement were $59.1. The lump-sum settlement resulted in a loss of $21.0. In the quarter ended June 30, 2020, two Spire Missouri plans met the criteria for settlement recognition. The lump-sum payments recognized as settlements for the remeasurement were $6.0. The lump-sum settlement resulted in a loss of $2.3. For the remeasurements, the discount rates for the Missouri plans were updated to 3.0% from 3.2% at September 30, 2019. For the three and nine months ended June 30, 2019, no pension plans met the criteria for settlement recognition.

36

The funding policy of the Utilities is to contribute an amount not less than the minimum required by government funding standards, nor more than the maximum deductible amount for federal income tax purposes. Fiscal 2020 contributions to Spire Missouri’s pension plans through June 30, 2020 were $20.9 to the qualified trusts and none to non-qualified plans. There were $9.1 of fiscal 2020 contributions to the Spire Alabama pension plans through June 30, 2020.

Contributions to the qualified trusts of Spire Missouri’s pension plans for the remainder of fiscal 2020 are anticipated to be $7.8. Contributions to Spire Alabama’s pension plans for the remainder of fiscal 2020 are anticipated to be $3.6.

Other Postretirement Benefits

Spire and the Utilities provide certain life insurance benefits at retirement. Spire Missouri plans provide for medical insurance after early retirement until age 65. For retirements prior to January 1, 2015, certain Spire Missouri plans provided medical insurance after retirement until death. The Spire Alabama plans provide medical insurance upon retirement until death for certain retirees depending on the type of employee and the date the employee was originally hired.

Net periodic postretirement benefit costs consisted of the following components:

	Three Months Ended June 30,						Nine Months Ended June 30,
	2020			2019			2020			2019
Spire
Service cost – benefits earned during the period	$	1.5		$	1.8		$	4.4		$	5.5
Interest cost on accumulated postretirement benefit obligation*		1.5			2.3			4.6			6.7
Expected return on plan assets*		(4.1	)		(4.1	)		(12.3	)		(12.1	)
Amortization of prior service credit*		(0.1	)		—			(0.4	)		(0.1	)
Amortization of actuarial gain*		(0.6	)		(0.1	)		(1.6	)		(0.4	)
Subtotal		(1.8	)		(0.1	)		(5.3	)		(0.4	)
Regulatory adjustment		4.0			2.5			12.0			7.5
Net postretirement benefit cost	$	2.2		$	2.4		$	6.7		$	7.1
Spire Missouri
Service cost – benefits earned during the period	$	1.4		$	1.7		$	4.0		$	5.1
Interest cost on accumulated postretirement benefit obligation*		1.2			1.8			3.5			5.2
Expected return on plan assets*		(2.8	)		(2.8	)		(8.5	)		(8.3	)
Amortization of prior service (credit) cost*		(0.1	)		0.1			(0.2	)		0.2
Amortization of actuarial gain*		(0.6	)		(0.1	)		(1.6	)		(0.4	)
Subtotal		(0.9	)		0.7			(2.8	)		1.8
Regulatory adjustment		4.4			2.9			13.3			8.8
Net postretirement benefit cost	$	3.5		$	3.6		$	10.5		$	10.6
Spire Alabama
Service cost – benefits earned during the period	$	0.1		$	0.1		$	0.3		$	0.3
Interest cost on accumulated postretirement benefit obligation*		0.3			0.4			1.0			1.3
Expected return on plan assets*		(1.2	)		(1.2	)		(3.6	)		(3.6	)
Amortization of prior service credit*		—			(0.1	)		(0.2	)		(0.3	)
Subtotal		(0.8	)		(0.8	)		(2.5	)		(2.3	)
Regulatory adjustment		(0.4	)		(0.4	)		(1.3	)		(1.3	)
Net postretirement benefit income	$	(1.2	)	$	(1.2	)	$	(3.8	)	$	(3.6	)

* Denotes other postretirement expense line items that are recorded below the operating income line in the income statements, in the line item “Other Income (Expense), Net.”

37

Missouri and Alabama state laws provide for the recovery in rates of costs accrued pursuant to GAAP provided that such costs are funded through an independent, external funding mechanism. The Utilities have established Voluntary Employees’ Beneficiary Association (VEBA) and Rabbi Trusts as external funding mechanisms. The assets of the VEBA and Rabbi Trusts consist primarily of money market securities and mutual funds invested in stocks and bonds.

The Utilities’ funding policy is to contribute amounts to the trusts equal to the periodic benefit cost calculated pursuant to GAAP as recovered in rates. There have been no contributions to the postretirement plans through June 30, 2020 for Spire Missouri or Spire Alabama, and none are expected to be required for the remainder of the fiscal year.

9. INFORMATION BY OPERATING SEGMENT

The Company has two reportable segments: Gas Utility and Gas Marketing. The Gas Utility segment is the aggregation of the operations of the Utilities. The Gas Marketing segment includes the results of Spire Marketing, a subsidiary engaged in the non-regulated marketing of natural gas and related activities, including utilizing natural gas storage contracts for providing natural gas sales. Other components of the Company’s consolidated information include:

• unallocated corporate items, including certain debt and associated interest costs;

• Spire STL Pipeline, a subsidiary of Spire which has constructed and, as of November 2019, operates a 65-mile FERC-regulated pipeline to deliver natural gas into eastern Missouri;

• Spire Storage, a subsidiary of Spire providing physical natural gas storage services; and

• Spire’s subsidiaries engaged in the operation of a propane pipeline, the compression of natural gas, and risk management, among other activities.

Accounting policies are described in Note 1, Summary of Significant Accounting Policies. Intersegment transactions include sales of natural gas from Spire Marketing to Spire Missouri, Spire Alabama and Spire Storage, sales of natural gas from Spire Missouri and Spire Alabama to Spire Marketing, propane transportation services provided by Spire NGL Inc. to Spire Missouri, and propane storage services provided by Spire Missouri to Spire NGL Inc.

Management evaluates the performance of the operating segments based on the computation of net economic earnings. Net economic earnings exclude from reported net income the after-tax impacts of fair value accounting and timing adjustments associated with energy-related transactions, the impacts of acquisition, divestiture and restructuring activities, and the largely non-cash impacts of impairments (discussed in Note 1) and other non-recurring or unusual items such as certain regulatory, legislative, or GAAP standard-setting actions. For the fiscal 2020 periods presented, adjustments for Spire Missouri ISRS revenues reflect the regulatory settlement reached in the third quarter of fiscal 2020, as discussed in Note 4, Regulatory Matters, such that the related GAAP provision for customer credit for fiscal 2020 to date is reflected in net economic earnings.

38

	Gas Utility		Gas Marketing			Other			Eliminations			Consolidated
Three Months Ended June 30, 2020
Operating Revenues:
Revenues from external customers	$	305.7	$	11.6		$	3.8		$	—		$	321.1
Intersegment revenues		0.3		—			11.6			(11.9	)		—
Total Operating Revenues		306.0		11.6			15.4			(11.9	)		321.1
Operating Expenses:
Gas Utility
Natural and propane gas		90.6		—			—			(19.9	)		70.7
Operation and maintenance		115.5		—			—			(3.0	)		112.5
Depreciation and amortization		47.8		—			—			—			47.8
Taxes, other than income taxes		31.7		—			—			—			31.7
Total Gas Utility Operating Expenses		285.6		—			—			(22.9	)		262.7
Impairments		—		—			148.6			—			148.6
Gas Marketing and Other		—		(6.6	)		11.9			11.0			16.3
Total Operating Expenses		285.6		(6.6	)		160.5			(11.9	)		427.6
Operating Income (Loss)	$	20.4	$	18.2		$	(145.1	)	$	—		$	(106.5	)
Net Economic Earnings (Loss)	$	8.4	$	0.1		$	(1.2	)	$	—		$	7.3

	Gas Utility		Gas Marketing			Other			Eliminations			Consolidated
Three Months Ended June 30, 2019
Operating Revenues:
Revenues from external customers	$	301.4	$	18.4		$	1.5		$	—		$	321.3
Intersegment revenues		0.2		(0.1	)		3.1			(3.2	)		—
Total Operating Revenues		301.6		18.3			4.6			(3.2	)		321.3
Operating Expenses:
Gas Utility
Natural and propane gas		88.1		—			—			(12.6	)		75.5
Operation and maintenance		113.4		—			—			(2.2	)		111.2
Depreciation and amortization		45.1		—			—			—			45.1
Taxes, other than income taxes		29.7		—			—			—			29.7
Total Gas Utility Operating Expenses		276.3		—			—			(14.8	)		261.5
Gas Marketing and Other		—		25.3			9.6			11.6			46.5
Total Operating Expenses		276.3		25.3			9.6			(3.2	)		308.0
Operating Income (Loss)	$	25.3	$	(7.0	)	$	(5.0	)	$	—		$	13.3
Net Economic Earnings (Loss)	$	7.6	$	3.3		$	(5.9	)	$	—		$	5.0

39

	Gas Utility		Gas Marketing		Other			Eliminations			Consolidated
Nine Months Ended June 30, 2020
Operating Revenues:
Revenues from external customers	$	1,515.4	$	77.2	$	10.9		$	—		$	1,603.5
Intersegment revenues		0.3		—		30.3			(30.6	)		—
Total Operating Revenues		1,515.7		77.2		41.2			(30.6	)		1,603.5
Operating Expenses:
Gas Utility
Natural and propane gas		603.7		—		—			(69.4	)		534.3
Operation and maintenance		319.9		—		—			(8.3	)		311.6
Depreciation and amortization		141.2		—		—			—			141.2
Taxes, other than income taxes		121.3		—		—			—			121.3
Total Gas Utility Operating Expenses		1,186.1		—		—			(77.7	)		1,108.4
Impairments		—		—		148.6			—			148.6
Gas Marketing and Other		—		59.0		34.1			47.1			140.2
Total Operating Expenses		1,186.1		59.0		182.7			(30.6	)		1,397.2
Operating Income (Loss)	$	329.6	$	18.2	$	(141.5	)	$	—		$	206.3
Net Economic Earnings (Loss)	$	221.8	$	11.3	$	(10.0	)	$	—		$	223.1
	Gas Utility		Gas Marketing		Other			Eliminations			Consolidated
Nine Months Ended June 30, 2019
Operating Revenues:
Revenues from external customers	$	1,651.9	$	69.6	$	5.3		$	—		$	1,726.8
Intersegment revenues		1.7		—		9.0			(10.7	)		—
Total Operating Revenues		1,653.6		69.6		14.3			(10.7	)		1,726.8
Operating Expenses:
Gas Utility
Natural and propane gas		746.6		—		—			(82.0	)		664.6
Operation and maintenance		330.3		—		—			(7.1	)		323.2
Depreciation and amortization		133.2		—		—			—			133.2
Taxes, other than income taxes		126.3		—		—			—			126.3
Total Gas Utility Operating Expenses		1,336.4		—		—			(89.1	)		1,247.3
Gas Marketing and Other		—		47.3		25.9			78.4			151.6
Total Operating Expenses		1,336.4		47.3		25.9			(10.7	)		1,398.9
Operating Income (Loss)	$	317.2	$	22.3	$	(11.6	)	$	—		$	327.9
Net Economic Earnings (Loss)	$	220.7	$	17.8	$	(19.7	)	$	—		$	218.8

The Company’s total assets by segment were as follows:

	June 30,			September 30,			June 30,
	2020			2019			2019
Total Assets:
Gas Utility	$	6,330.1		$	6,094.6		$	5,830.1
Gas Marketing		158.6			212.3			232.3
Other		2,324.8			2,692.7			2,537.4
Eliminations		(990.9	)		(1,380.4	)		(1,267.8	)
Total Assets	$	7,822.6		$	7,619.2		$	7,332.0

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The following table reconciles the Company’s net economic earnings to net income.

	Three Months Ended June 30,						Nine Months Ended June 30,
	2020			2019			2020			2019
Net Income	$	(92.3	)	$	(3.0	)	$	108.3		$	218.9
Adjustments, pre-tax:
Impairments		148.6			—			148.6			—
Provision for ISRS rulings		(4.8	)		—			—			—
Unrealized (gain) loss on energy-related derivatives		(18.5	)		8.0			(3.2	)		(3.3	)
Lower of cost or market inventory adjustments		—			2.7			—			2.7
Acquisition, divestiture and restructuring activities		—			—			—			0.4
Income tax effect of adjustments		(25.7	)		(2.7	)		(30.6	)		0.1
Net Economic Earnings	$	7.3		$	5.0		$	223.1		$	218.8

10. COMMITMENTS AND CONTINGENCIES

Commitments

The Company and the Utilities have entered into contracts with various counterparties, expiring on dates through 2039, for the storage, transportation, and supply of natural gas. Minimum payments required under the contracts in place at June 30, 2020, are estimated at $1,947.6, $1,330.2, and $151.5 for the Company, Spire Missouri, and Spire Alabama, respectively. Additional contracts are generally entered into prior to or during the heating season of November through April. The Utilities recover their costs from customers in accordance with their PGA clauses or GSA riders.

Contingencies

The Company and the Utilities account for contingencies, including environmental liabilities, in accordance with accounting standards under the loss contingency guidance of ASC Topic 450, Contingencies, when it is probable that a liability has been incurred and the amount of the loss can be reasonably estimated.

In addition to matters noted below, the Company and the Utilities are involved in other litigation, claims, and investigations arising in the normal course of business. Management, after discussion with counsel, believes the final outcome will not have a material effect on the statements of income, balance sheets, and statements of cash flows of the Company, Spire Missouri, or Spire Alabama. However, there is uncertainty in the valuation of pending claims and prediction of litigation results.

The Company and the Utilities own and operate natural gas distribution, transmission, and storage facilities, the operations of which are subject to various environmental laws, regulations, and interpretations. While environmental issues resulting from such operations arise in the ordinary course of business, such issues have not materially affected the Company’s or Utilities’ financial position and results of operations. As environmental laws, regulations, and their interpretations change, the Company or the Utilities may incur additional environmental liabilities that may result in additional costs, which may be material.

In the natural gas industry, many gas distribution companies have incurred environmental liabilities associated with sites they or their predecessor companies formerly owned or operated where manufactured gas operations took place. The Utilities each have former manufactured gas plant (MGP) operations in their respective service territories. To the extent costs are incurred associated with environmental remediation activities, the Utilities would request authority from their respective regulators to defer such costs (less any amounts received from insurance proceeds or as contributions from other potentially responsible parties (PRPs)) and collect them through future rates.

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Spire Missouri

Spire Missouri has identified three former MGP sites in the city of St. Louis, Missouri (the “City”) where costs have been incurred and claims have been asserted. Spire Missouri has enrolled two of the sites in the Missouri Department of Natural Resources (MDNR) Brownfields/Voluntary Cleanup Program (BVCP). The third site is the result of a relatively new claim assertion by the United States Environmental Protection Agency (EPA).

In conjunction with redevelopment of one of the sites, Spire Missouri and another former owner of the site entered into an agreement (the “Remediation Agreement”) with the City development agencies, the developer, and an environmental consultant that obligates one of the City agencies and the environmental consultant to remediate the site and obtain a No Further Action letter from the MDNR. The Remediation Agreement also provides for a release of Spire Missouri and the other former site owner from certain liabilities related to the past and current environmental condition of the site and requires the developer and the environmental consultant to maintain certain insurance coverage, including remediation cost containment, premises pollution liability, and professional liability. The operative provisions of the Remediation Agreement were triggered on December 20, 2010, on which date Spire Missouri and the other former site owner, as full consideration under the Remediation Agreement, paid a small percentage of the cost of remediation of the site. The amount paid by Spire Missouri did not materially impact the financial condition, results of operations, or cash flows of the Company.

Spire Missouri has not owned the second site for many years. In a letter dated June 29, 2011, the Attorney General for the State of Missouri informed Spire Missouri that the MDNR had completed an investigation of the site. The Attorney General requested that Spire Missouri participate in the follow up investigations of the site. In a letter dated January 10, 2012, Spire Missouri stated that it would participate in future environmental response activities at the site in conjunction with other PRPs that are willing to contribute to such efforts in a meaningful and equitable fashion. Accordingly, Spire Missouri entered into a cost sharing agreement for remedial investigation with other PRPs. To date, MDNR has not approved the agreement, so remedial investigation has not yet occurred.

Additionally, in correspondence dated November 30, 2016, Region 7 of the EPA has asserted that Spire Missouri is liable under Section 107(a) of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA) for alleged coal gas waste contamination at a third site in the northern portion of the City on which Spire Missouri operated a MGP. Spire Missouri has not owned or operated the site (also known as Station “B”) for over 70 years. Spire Missouri and the site owner have met with the EPA and reviewed its assertions. Both Spire Missouri and the site owner have notified the EPA that information and data provided by the EPA to date does not rise to the level of documenting a threat to the public health or environment. As such, Spire Missouri requested more information from the EPA, some of which would also be utilized to identify other former owners and operators of the site that could be added as PRPs. To date, Spire Missouri has not received a response from the EPA.

Spire Missouri has notified its insurers that it seeks reimbursement for costs incurred in the past and future potential liabilities associated with these MGP sites. While some of the insurers have denied coverage and reserved their rights, Spire Missouri retains the right to seek potential reimbursements from them.

On March 10, 2015, Spire Missouri received a Section 104(e) information request under CERCLA from EPA Region 7 regarding the former Thompson Chemical/Superior Solvents site in the City. In turn, Spire Missouri issued a Freedom of Information Act (FOIA) request to the EPA on April 3, 2015, in an effort to identify the basis of the inquiry. The FOIA response from the EPA was received on July 15, 2015 and a response was provided to the EPA on August 15, 2015. Spire Missouri has received no further inquiry from the EPA regarding this matter.

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In its western service area, Spire Missouri has seven owned MGP sites enrolled in the BVCP, including Joplin MGP #1, St. Joseph MGP #1, Kansas City Coal Gas Station B, Kansas City Station A Railroad area, Kansas City Coal Gas Station A North, Kansas City Coal Gas Station A South, and Independence MGP #2. Source removal has been conducted at all of the owned sites since 2003 with the exception of Joplin. On September 15, 2016, a request was made with the MDNR for a restrictive covenant use limitation with respect to Joplin. Remediation efforts at the seven sites are at various stages of completion, ranging from groundwater monitoring and sampling following source removal activities to the aforementioned request in respect to Joplin. As part of its participation in the BVCP, Spire Missouri communicates regularly with the MDNR with respect to its remediation efforts and monitoring activities at these sites. On May 11, 2015, MDNR approved the next phase of investigation at the Kansas City Station A North and Railroad areas.

To date, costs incurred for all Spire Missouri’s MGP sites for investigation, remediation and monitoring these sites have not been material. However, the amount of costs relative to future remedial actions at these and other sites is unknown and may be material. The actual future costs that Spire Missouri may incur could be materially higher or lower depending upon several factors, including whether remediation actions will be required, final selection and regulatory approval of any remedial actions, changing technologies and government regulations, the ultimate ability of other PRPs to pay, and any insurance recoveries.

In 2013, Spire Missouri retained an outside consultant to conduct probabilistic cost modeling of 19 former MGP sites owned or operated by Spire Missouri. The purpose of this analysis was to develop an estimated range of probabilistic future liability for each site. That analysis, completed in August 2014, provided a range of demonstrated possible future expenditures to investigate, monitor and remediate all 19 MGP sites. Spire Missouri has recorded its best estimate of the probable expenditures that relate to these matters. The amount is not material.

Spire Missouri and the Company do not expect potential liabilities that may arise from remediating these sites to have a material impact on their future financial condition or results of operations.

Spire Alabama

Spire Alabama is in the chain of title of nine former MGP sites, four of which it still owns, and five former manufactured gas distribution sites, one of which it still owns. Spire Alabama does not foresee a probable or reasonably estimable loss associated with these sites. Spire Alabama and the Company do not expect potential liabilities that may arise from remediating these sites to have a material impact on their future financial condition or results of operations.

In 2012, Spire Alabama responded to an EPA Request for Information Pursuant to Section 104 of CERCLA relating to the 35th Avenue Superfund Site located in North Birmingham, Jefferson County, Alabama. Spire Alabama was identified as a PRP under CERCLA for the cleanup of the site or costs the EPA incurs in cleaning up the site. At this point, Spire Alabama has not been provided information that would allow it to determine the extent, if any, of its potential liability with respect to the 35th Avenue Superfund Site and vigorously denies its inclusion as a PRP.

Spire

In addition to those discussed above for Spire Missouri and Spire Alabama, Spire is aware of the following contingent matter.

In February 2018, the Company was made aware of a complaint filed with the U.S. Department of Housing and Urban Development (HUD) by the South Alabama Center for Fair Housing and the National Community Reinvestment Coalition. The complaint alleges that Spire Gulf discriminated against unspecified residents of Eight Mile, Alabama, on the basis of race in violation of the Fair Housing Act by failing to adequately address the odorant release that occurred in 2008. The Company believes there is no basis for the complaint, HUD has no jurisdiction in the matter, and there will be no material impact on its future financial condition or results of operations.

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11. LEASES

The lease agreement covering the Company’s primary office space in St. Louis extends through February 2035, with an option to renew for an additional five years. Spire Alabama’s lease agreement for office space in Birmingham extends through January 2024. The lease agreement covering Spire Marketing and Spire Storage office space in Houston extends through December 2028, with options to terminate three years earlier or to renew for an additional five years. The renewal options in the St. Louis and Houston leases are reasonably certain to be exercised and are included in the lease term used to determine the right-of use assets and lease liabilities. The Company and its subsidiaries have other relatively minor rental arrangements for real estate and equipment with remaining terms of up to eleven years.

Operating lease cost, cash flow and noncash information for the three and nine months ended June 30, 2020 are shown in the following tables.

Three Months Ended June 30, 2020	Spire		Spire Missouri		Spire Alabama
Operating lease cost, including amounts capitalized	$	2.1	$	0.1	$	0.9
Cash flow and noncash information about operating leases:
Operating cash flows representing cash paid for amounts included in the measurement of lease liabilities		2.2		0.1		0.9
Right-of-use assets obtained in exchange for lease liabilities		—		—		—
Nine Months Ended June 30, 2020	Spire		Spire Missouri		Spire Alabama
Operating lease cost, including amounts capitalized	$	6.9	$	0.4	$	3.0
Cash flow and noncash information about operating leases:
Operating cash flows representing cash paid for amounts included in the measurement of lease liabilities		6.7		0.4		2.8
Right-of-use assets obtained in exchange for lease liabilities		71.1		2.1		10.0

The following table shows balance sheet and weighted-average information about operating leases as of June 30, 2020.

	Balance sheet classification	Spire			Spire Missouri			Spire Alabama
Right-of-use assets	Deferred Charges and Other Assets: Other	$	66.2		$	1.8		$	7.2
Lease liabilities, current	Current Liabilities, Other		6.5			0.3			1.9
Lease liabilities, noncurrent	Deferred Credits and Other Liabilities: Other		59.5			1.4			5.1
Weighted-average remaining lease term		16.0 years			5.6 years			3.6 years
Weighted-average discount rate			4.2	%		2.5	%		2.2	%

Following is a maturity analysis by fiscal year for operating lease liabilities as of June 30, 2020.

	Spire			Spire Missouri			Spire Alabama
Remainder of 2020	$	1.2		$	0.1		$	0.3
2021		7.2			0.4			2.1
2022		7.2			0.4			2.1
2023		7.2			0.3			2.1
2024		5.8			0.3			0.7
2025		5.1			0.3			—
Thereafter		58.4			0.2			—
Total undiscounted lease payments		92.1			2.0			7.3
Less present value discount		(26.1	)		(0.3	)		(0.3	)
Total current and noncurrent lease liabilities	$	66.0		$	1.7		$	7.0

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As of September 30, 2019, the annual minimum rental commitments for operating leases (under ASC 840) were as follows.

	2020		2021		2022		2023		2024		Later		Total
Spire	$	8.2	$	7.0	$	6.8	$	6.1	$	4.8	$	36.5	$	69.4
Spire Missouri		0.5		0.2		—		—		—		—		0.7
Spire Alabama		2.9		2.1		2.1		2.1		0.7		—		9.9

There are no significant finance leases, short-term leases, subleases, variable lease payments, residual value guarantees, restrictions or covenants pertaining to leases.

The Company elected, for all asset classes, not to recognize right-of-use assets and lease liabilities for short-term leases. Instead, the lease payments are recognized in profit or loss on a straight-line basis over the lease term and variable lease payments are recognized in the period in which the obligation for those payments is incurred. The Company elected, for all asset classes, not to separate nonlease components from lease components and instead to account for each separate lease component and the nonlease components associated with that lease component as a single lease component.

The discount rate used for all the leases is the applicable incremental borrowing rate, which is the rate of interest that a lessee would have to pay to borrow on a collateralized basis over a similar term an amount equal to the lease payments in a similar economic environment. For a subsidiary lessee, the rate applicable to the subsidiary is used unless the lease terms are influenced by parent credit.

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

(Dollars in millions, except per unit and per share amounts)

This section analyzes the financial condition and results of operations of Spire Inc. (the “Company”), Spire Missouri Inc., and Spire Alabama Inc. Spire Missouri, Spire Alabama and Spire EnergySouth are wholly owned subsidiaries of the Company. Spire Missouri, Spire Alabama and the subsidiaries of Spire EnergySouth are collectively referred to as the “Utilities.” The subsidiaries of Spire EnergySouth are Spire Gulf and Spire Mississippi. This section includes management’s view of factors that affect the respective businesses of the Company, Spire Missouri and Spire Alabama, explanations of financial results including changes in earnings and costs from the prior periods, and the effects of such factors on the Company’s, Spire Missouri’s and Spire Alabama’s overall financial condition and liquidity.

Certain matters discussed in this report, excluding historical information, include forward-looking statements. Certain words, such as “may,” “anticipate,” “believe,” “estimate,” “expect,” “intend,” “plan,” “seek,” “target,” and similar words and expressions identify forward-looking statements that involve uncertainties and risks. Future developments may not be in accordance with our current expectations or beliefs and the effect of future developments may not be those anticipated. Among the factors that may cause results or outcomes to differ materially from those contemplated in any forward-looking statement are:

• Weather conditions and catastrophic events, particularly severe weather in the natural gas producing areas of the country;

• Impacts related to the COVID-19 pandemic and uncertainties as to the continuing duration and severity of those impacts;

• Volatility in gas prices, particularly sudden and sustained changes in natural gas prices, including the related impact on margin deposits associated with the use of natural gas derivative instruments, and the impact on our competitive position in relation to suppliers of alternative heating sources, such as electricity;

• Changes in gas supply and pipeline availability, including decisions by natural gas producers to reduce production or shut in producing natural gas wells, expiration of existing supply and transportation arrangements that are not replaced with contracts with similar terms and pricing, as well as other changes that impact supply for and access to the markets in which our subsidiaries transact business;

• Acquisitions may not achieve their intended results;

• Legislative, regulatory and judicial mandates and decisions, some of which may be retroactive, including those affecting:

▪ allowed rates of return,

▪ incentive regulation,

▪ industry structure,

▪ purchased gas adjustment provisions,

▪ rate design structure and implementation,

▪ capital structures established for rate-setting purposes,

▪ regulatory assets,

▪ non-regulated and affiliate transactions,

▪ franchise renewals,

▪ environmental or safety matters, including the potential impact of legislative and regulatory actions related to climate change and pipeline safety,

▪ taxes,

▪ pension and other postretirement benefit liabilities and funding obligations, or

▪ accounting standards;

• The results of litigation;

• The availability of and access to, in general, funds to meet our debt obligations prior to or when they become due and to fund our operations and necessary capital expenditures, either through (i) cash on hand, (ii) operating cash flow, or (iii) access to the capital markets;

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• Retention of, ability to attract, ability to collect from, and conservation efforts of, customers;

• Our ability to comply with all covenants in our indentures and credit facilities any violations of which, if not cured in a timely manner, could trigger a default of our obligation;

• Energy commodity market conditions;

• Discovery of material weakness in internal controls;

• The disruption, failure or malfunction of our operational and information technology systems, including due to cyberattacks; and

• Employee workforce issues, including but not limited to labor disputes, the inability to attract and retain key talent, and future wage and employee benefit costs, including costs resulting from changes in discount rates and returns on benefit plan assets.

Management’s Discussion and Analysis of Financial Condition and Results of Operations should be read in conjunction with the Company’s Condensed Consolidated Financial Statements, Spire Missouri’s and Spire Alabama’s Condensed Financial Statements, and the notes thereto.

OVERVIEW

The Company has two reportable segments: Gas Utility and Gas Marketing. Nearly all of Spire’s earnings are derived from its Gas Utility segment, which reflects the regulated activities of the Utilities. Due to the seasonal nature of the Utilities’ business and the Spire Missouri rate design, earnings of Spire and each of the Utilities are typically concentrated during the heating season of November through April each fiscal year. The rate design for each of the Utilities serves to lessen the impact of weather volatility on customers during cold winters and stabilize Spire’s earnings.

Gas Utility - Spire Missouri

Spire Missouri is Missouri’s largest natural gas distribution utility and is regulated by the MoPSC. Spire Missouri serves St. Louis, Kansas City, and other areas throughout the state. Spire Missouri purchases natural gas in the wholesale market from producers and marketers and ships the gas through interstate pipelines into its own distribution facilities for sale to residential, commercial and industrial customers. Spire Missouri also transports gas through its distribution system for certain larger customers who buy their own gas on the wholesale market. Spire Missouri delivers natural gas to customers at rates and in accordance with tariffs authorized by the MoPSC. The earnings of Spire Missouri are primarily generated by the sale of heating energy.

Gas Utility - Spire Alabama

Spire Alabama is the largest natural gas distribution utility in the state of Alabama and is regulated by the APSC. Spire Alabama’s service territory is located in central and northern Alabama. Among the cities served by Spire Alabama are Birmingham, the center of the largest metropolitan area in the state, and Montgomery, the state capital. Spire Alabama purchases natural gas through interstate and intrastate suppliers and distributes the purchased gas through its distribution facilities for sale to residential, commercial and industrial customers, and other end-users of natural gas. Spire Alabama also provides transportation services to large industrial and commercial customers located on its distribution system. These transportation customers, using Spire Alabama as their agent or acting on their own, purchase gas directly from marketers or suppliers and arrange for delivery of the gas into the Spire Alabama distribution system. Spire Alabama charges a fee to transport such customer-owned gas through its distribution system to the customers’ facilities.

Gas Utility - Spire EnergySouth

Spire Gulf and Spire Mississippi are utilities engaged in the purchase, retail distribution and sale of natural gas to approximately 100,000 customers in southern Alabama and south-central Mississippi. Spire Gulf is regulated by the APSC, and Spire Mississippi is regulated by the MSPSC.

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Gas Marketing

Spire Marketing is engaged in the marketing of natural gas and related activities on a non-regulated basis and is reported in the Gas Marketing segment. Spire Marketing markets natural gas across the central and southern U.S. It holds firm transportation and storage contracts in order to effectively manage its transactions with counterparties, which primarily include producers, municipalities, electric and gas utility companies, and large commercial and industrial customers.

Other

Other components of the Company’s consolidated information include:

• unallocated corporate items, including certain debt and associated interest costs;

• Spire STL Pipeline LLC (“Spire STL Pipeline”) and Spire Storage West LLC (“Spire Storage”), described below; and

• Spire’s subsidiaries engaged in the operation of a propane pipeline, the compression of natural gas, and risk management, among other activities.

Spire STL Pipeline is a wholly owned subsidiary of Spire which owns and operates a 65-mile pipeline connecting the Rockies Express Pipeline in Scott County, Illinois, to delivery points in St. Louis County, Missouri, including Spire Missouri’s storage facility. The pipeline is under the jurisdiction of the Federal Energy Regulatory Commission (FERC) and is capable of delivering up to 4 million therms per day of natural gas into eastern Missouri. Spire Missouri is the foundation shipper with a contractual commitment of 3.5 million therms per day. The pipeline was primarily constructed during fiscal 2019. In November 2019, Spire STL Pipeline received final authorization from the FERC and placed the pipeline into service.

Spire Storage is engaged in the storage of natural gas in the Western region of the United States. The facility consists of two storage fields operating under one FERC market-based rate tariff. On July 1, 2020, the Board of Directors of Spire, based upon the recommendation of senior management, revised the development plan for Spire Storage. As a result of the revised development plan, an asset impairment charge was recorded in the third quarter of fiscal 2020. The revision to our development plan for Spire Storage was driven by the realization that a longer time horizon will be required for optimization and positioning of the storage facility to serve energy markets in the western United States that continue to evolve. Spire remains committed to serving its customers through the ongoing development and operation of the facility. Such development is expected to include $20 million in capital investment over the next two years to enhance the capabilities of the facility. A FERC application, pursuant to Section 7(c) of the Natural Gas Act, is planned by early fiscal 2021 and is expected to outline a specific path for future development.

COVID-19

The recent outbreak of the novel coronavirus (COVID-19) has adversely impacted economic activity and conditions worldwide. We are continuing to assess the developments involving our workforce, customers and suppliers, as well as the response of federal and state authorities, our regulators and other business and community leaders. The Company has implemented what we believe to be appropriate procedures and protocols to ensure the safety of our customers, suppliers and employees. These actions include activating incident management procedures, sheltering-at-home for our office-based employees, limiting direct contact with our customers, and, through June, suspending disconnections and late payment fees for our utility customers.

We have experienced impacts on our results of operations from COVID-19. As of June 30, 2020, the Company has not recorded any regulatory assets or cost deferrals related to COVID-19. Based upon assumptions and data analyzed to date, we estimate the impacts for the three months and nine months ended June 30, 2020, respectively, to be:

• Lost late payment fees of $1.8 and $2.3, respectively, due to a moratorium from late March through mid-June

• Margin reductions of less than $1 and $1 to $2, respectively, from the net impact of lower volumes and higher fixed charges

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• Bad debt expense increases of nearly $4 for the three and nine months due to the aging of our accounts receivable balances

• Net other direct cost reductions totaling less than $1 for the quarter and a year-to-date net direct cost increase of less than $1, due to lower travel, meals and entertainment and medical claims experience offset (or more than offset) by increased costs for enhanced cleaning and personal protective equipment for our facilities and field personnel compared to normal and expected levels  

We continue to evaluate trends of costs and benefits related to COVID-19. Our best estimate of pre-tax COVID-19 impacts, as noted above, and other potential impacts due to COVID-19 is in a range of $6 to $7 through the end of the fiscal year, with a full year net economic earnings impact of approximately $0.09 per diluted share in fiscal 2020.

An extended slowdown of the United States' economy, changes in commodity costs and/or significant changes in policy and regulation could result in lower demand for natural gas as well as negatively impact the ability of our customers, contractors, suppliers and other business partners to remain in business or return to operating health. These could have a material adverse effect on our results of operations, financial condition, liquidity and prospects.

The Company is participating in the Coronavirus Aid, Relief, and Economic Security Act (CARES Act) provisions allowing for a payroll tax deferral which will not have an impact on our results of operations but will defer the payment of the Company’s portion of certain payroll taxes until fiscal 2021 and 2022. Although the Company does not currently expect to seek relief under any other CARES Act provisions, we will continue to monitor all pending and future federal, state and local efforts related to the COVID-19 health crisis and assess our need and, as applicable, eligibility for any such relief.

NON-GAAP MEASURES

Net income, earnings per share and operating income reported by Spire, Spire Missouri and Spire Alabama are determined in accordance with accounting principles generally accepted in the United States of America (GAAP). Spire, Spire Missouri and Spire Alabama also provide the non-GAAP financial measures of net economic earnings, net economic earnings per share and contribution margin. Management and the Board of Directors use non-GAAP financial measures, in addition to GAAP financial measures, to understand and compare operating results across accounting periods, for financial and operational decision making, for planning and forecasting, to determine incentive compensation and to evaluate financial performance. These non-GAAP operating metrics should not be considered as alternatives to, or more meaningful than, the related GAAP measures. Reconciliations of non-GAAP financial measures to the most directly comparable GAAP measures are provided on the following pages.

Net Economic Earnings and Net Economic Earnings Per Share

Net economic earnings and net economic earnings per share are non-GAAP measures that exclude from net income the impacts of fair value accounting and timing adjustments associated with energy-related transactions, the impacts of acquisition, divestiture and restructuring activities, and the largely non-cash impacts of impairments and other non-recurring or unusual items such as certain regulatory, legislative or GAAP standard-setting actions. For the fiscal 2020 periods presented, adjustments for Missouri Infrastructure System Replacement Surcharge (ISRS) revenues reflect the regulatory settlement reached in the third quarter of fiscal 2020, as discussed in Note 4, Regulatory Matters, of the Notes to Financial Statements in Item 1, such that the related GAAP provision for customer credit for fiscal 2020 to date is reflected in net economic earnings. In addition, net economic earnings per share excludes the impact, in the fiscal year of issuance, of any shares issued to finance acquisitions that have yet to be included in net economic earnings.

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The fair value and timing adjustments are made in instances where the accounting treatment differs from what management considers the economic substance of the underlying transaction, including the following:

• Net unrealized gains and losses on energy-related derivatives that are required by GAAP fair value accounting associated with current changes in the fair value of financial and physical transactions prior to their completion and settlement. These unrealized gains and losses result primarily from two sources:

1) changes in the fair values of physical and/or financial derivatives prior to the period of settlement; and

2) ineffective portions of accounting hedges, required to be recorded in earnings prior to settlement, due to differences in commodity price changes between the locations of the forecasted physical purchase or sale transactions and the locations of the underlying hedge instruments;

• Lower of cost or market adjustments to the carrying value of commodity inventories resulting when the net realizable value of the commodity falls below its original cost, to the extent that those commodities are economically hedged; and

• Realized gains and losses resulting from the settlement of economic hedges prior to the sale of the physical commodity.

These adjustments eliminate the impact of timing differences and the impact of current changes in the fair value of financial and physical transactions prior to their completion and settlement. Unrealized gains or losses are recorded in each period until being replaced with the actual gains or losses realized when the associated physical transactions occur. Management believes that excluding the earnings volatility caused by recognizing changes in fair value prior to settlement and other timing differences associated with related purchase and sale transactions provides a useful representation of the economic effects of only the actual settled transactions and their effects on results of operations. While management uses these non-GAAP measures to evaluate both Spire’s Utilities and its other gas-related businesses, the net effect of these fair value and timing adjustments on the Utilities’ earnings is minimal because gains or losses on their natural gas derivative instruments are deferred pursuant to state regulation.

Contribution Margin

In addition to operating revenues and operating expenses, management also uses the non-GAAP measure of contribution margin when evaluating results of operations. Contribution margin is defined as operating revenues less natural and propane gas costs and gross receipts tax expense. The Utilities pass to their customers (subject to prudence review by, as applicable, the MoPSC, APSC or MSPSC) increases and decreases in the wholesale cost of natural gas in accordance with their PGA clauses or GSA riders. The volatility of the wholesale natural gas market results in fluctuations from period to period in the recorded levels of, among other items, revenues and natural gas cost expense. Nevertheless, increases and decreases in the cost of gas associated with system gas sales volumes and gross receipts tax expense (which are calculated as a percentage of revenues), with the same amount (excluding immaterial timing differences) included in revenues, have no direct effect on operating income. Therefore, management believes that contribution margin is a useful supplemental measure, along with the remaining operating expenses, for assessing the Company’s and the Utilities’ performance.

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EARNINGS – THREE MONTHS ENDED JUNE 30, 2020

Spire

Net Income and Net Economic Earnings

The following tables reconcile the Company’s net economic earnings to the most comparable GAAP number, net income.

	Gas Utility			Gas Marketing			Other			Total			Per Diluted Common Share**
Three Months Ended June 30, 2020
Net Income (Loss) [GAAP]	$	12.6		$	13.6		$	(118.5	)	$	(92.3	)	$	(1.87	)
Adjustments, pre-tax:
Impairments		—			—			148.6			148.6			2.89
Provision for ISRS rulings		(4.8	)		—			—			(4.8	)		(0.09	)
Unrealized gain on energy-related derivatives		(0.6	)		(17.9	)		—			(18.5	)		(0.36	)
Income tax effect of adjustments*		1.2			4.4			(31.3	)		(25.7	)		(0.50	)
Net Economic Earnings (Loss) [Non-GAAP]	$	8.4		$	0.1		$	(1.2	)	$	7.3		$	0.07
Three Months Ended June 30, 2019
Net Income (Loss) [GAAP]	$	7.6		$	(4.7	)	$	(5.9	)	$	(3.0	)	$	(0.09	)
Adjustments, pre-tax:
Unrealized loss on energy-related derivatives		—			8.0			—			8.0			0.16
Lower of cost or market inventory adjustments		—			2.7			—			2.7			0.05
Income tax effect of adjustments*		—			(2.7	)		—			(2.7	)		(0.05	)
Net Economic Earnings (Loss) [Non-GAAP]	$	7.6		$	3.3		$	(5.9	)	$	5.0		$	0.07

* Income tax effect is calculated by applying federal, state, and local income tax rates applicable to ordinary income to the amounts of the pre-tax reconciling items and then adding any estimated effects of enacted state or local income tax laws for periods before the related effective date.

** Net economic earnings per share is calculated by replacing consolidated net income with consolidated net economic earnings in the GAAP diluted earnings per share calculation, which includes reductions for cumulative preferred dividends and participating shares.

Note: In the following discussion, all references to earnings (loss) per share and net economic earnings per share refer to earnings (loss) per common share and net economic earnings per common share.

Consolidated

Spire had a net loss of $92.3 for the three months ended June 30, 2020, compared with a net loss of $3.0 for the three months ended June 30, 2019. Diluted loss per share of $1.87 for the current year quarter compared to $0.09 diluted loss per share for the prior year quarter. The reduction of net income primarily reflects a $148.6 ($117.3 after-tax) impairment charge taken in the current year quarter. For a detailed discussion of the impairments, see Note 1, Summary of Significant Accounting Policies, of the Notes to Financial Statements in Item 1. Excluding this charge, net income increased $28.0, driven by an $18.3 increase in Gas Marketing segment and a $5.0 increase in the Gas Utility segment. The Gas Marketing increase was the result of higher current year margins, driven by favorable derivative activity and fair value measurements, offset by the costs of incremental storage capacity, transportation fees, and less favorable market conditions. Gas Utility net income growth reflects higher ISRS revenues net of the Spire Missouri ISRS settlement, combined with the benefits of customer growth and lower operating costs.

51

Spire’s net economic earnings were $7.3 ($0.07 per diluted share) for the three months ended June 30, 2020, an increase of $2.3 from the $5.0 ($0.07 per diluted share) reported for the same period in the prior year. Current quarter net income per share and net economic earnings per share reflect the impact of preferred dividends and the issuance of common stock.

The principal drivers of the increase in net economic earnings were higher Gas Utility and Other results offset by lower Gas Marketing earnings, as reflected in the table. These impacts are described in further detail below.

Gas Utility

For the three months ended June 30, 2020, net economic earnings for the Gas Utility segment increased $0.8 from the third quarter of the prior fiscal year, primarily due to a $1.2 increase at Spire Missouri that was only partly offset by a $0.4 decrease at the Southeast Utilities. The increase at Spire Missouri was driven by higher ISRS revenues and customer growth, offset by $1.7 higher depreciation expense. The Southeast Utilities were negatively impacted by a decrease of $2.0 at Spire Alabama, primarily due to unfavorable net Rate Stabilization and Equalization (RSE) adjustments and higher depreciation expenses that were only slightly offset by lower Operations and Maintenance Expense (O&M). The negative impact of the Spire Alabama results was mostly offset by the stronger performance of the Spire EnergySouth Utilities. These impacts are discussed in further detail below.

Gas Marketing

For the three months ended June 30, 2020, the net economic earnings for the Gas Marketing segment was $0.1, compared to net economic earnings of $3.3 in the three months ended June 30, 2019, a $3.2 decrease. The decrease in the current-year period was primarily driven by the higher volumes associated with the segment’s business expansion being more than offset by the costs of incremental storage capacity, transportation fees, and less favorable market conditions.

Other

For the three months ended June 30, 2020, net economic loss for Other decreased $4.7 compared with the third quarter of the prior fiscal year. The variance reflects higher earnings from STL Pipeline, and a smaller loss from Spire Storage which were only partly offset by slightly higher interest expense, higher insurance claims and higher charitable contributions.

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Operating Revenues and Expenses and Contribution Margin

Reconciliations of the Company’s contribution margin to the most directly comparable GAAP measure are shown below.

	Gas Utility			Gas Marketing			Other			Eliminations			Consolidated
Three Months Ended June 30, 2020
Operating Income (Loss) [GAAP]	$	20.4		$	18.2		$	(145.1	)	$	—		$	(106.5	)
Operation and maintenance expenses		115.5			2.2			10.5			(3.3	)		124.9
Depreciation and amortization		47.8			0.2			2.1			—			50.1
Taxes, other than income taxes		31.7			0.2			(0.8	)		—			31.1
Impairments		—			—			148.6			—			148.6
Less: Gross receipts tax expense		(17.2	)		(0.1	)		0.1			—			(17.2	)
Contribution Margin [Non-GAAP]		198.2			20.7			15.4			(3.3	)		231.0
Natural and propane gas costs		90.6			(9.2	)		0.1			(8.6	)		72.9
Gross receipts tax expense		17.2			0.1			(0.1	)		—			17.2
Operating Revenues	$	306.0		$	11.6		$	15.4		$	(11.9	)	$	321.1
Three Months Ended June 30, 2019
Operating Income (Loss) [GAAP]	$	25.3		$	(7.0	)	$	(5.0	)	$	—		$	13.3
Operation and maintenance expenses		113.4			3.2			8.4			(2.6	)		122.4
Depreciation and amortization		45.1			—			0.7			—			45.8
Taxes, other than income taxes		29.7			0.1			0.4			—			30.2
Less: Gross receipts tax expense		(18.2	)		—			—			—			(18.2	)
Contribution Margin [Non-GAAP]		195.3			(3.7	)		4.5			(2.6	)		193.5
Natural and propane gas costs		88.1			22.0			0.1			(0.6	)		109.6
Gross receipts tax expense		18.2			—			—			—			18.2
Operating Revenues	$	301.6		$	18.3		$	4.6		$	(3.2	)	$	321.3

Consolidated

As shown in the table above, Spire reported operating revenue of $321.1 for the three months ended June 30, 2020, essentially equal to the same period in the prior year, due to an increase in Gas Utility and Other offset by lower revenues for Spire Marketing. Spire’s contribution margin increased $37.5 compared with last year, with increases of $24.4 in the Gas Marketing segment, $2.9 for the Gas Utility segment, and $10.9 for Other (STL Pipeline and Spire Storage) all contributing to growth. Depreciation and amortization expenses were up $4.3 company-wide driven by a $2.7 increase in the Gas Utility segment. Gas Utility O&M expenses of $115.5 for the quarter were $2.1 higher than last year, including a $9.5 year-over-year net increase in postretirement benefit costs recorded in O&M relating to a year-to-date true-up of a $23.3 settlement loss in a Spire Missouri pension plan offset by a corresponding credit in other expense below the operating income line (the “Postretirement Nonservice Cost Transfer”). Excluding this impact, O&M expenses were down $7.4, driven by lower operations, administrative, and employee-related costs. These impacts are described in further detail below.

Gas Utility

Operating Revenues – Gas Utility operating revenues for the three months ended June 30, 2020, were $306.0, or $4.4 higher than the same period in the prior year. The increase in Gas Utility operating revenues was attributable to the following factors:

Spire Missouri and Spire Alabama – Volumetric usage (net of weather mitigation)	$	7.3
Spire Missouri – ISRS, including ISRS rulings provision true-up		7.3
Spire Missouri and Spire Alabama – Lower PGA/GSA costs		(6.2	)
Spire Alabama – RSE adjustments, net		(4.0	)
Total Variation	$	4.4

53

The increase in revenues was primarily driven by higher volumetric usage (including weather mitigation) resulting from colder weather, primarily at Spire Missouri, and the net ISRS revenue impact (including ISRS rulings provision true-up). These positive impacts were only partly offset by $6.2 lower gas costs and the unfavorable $4.0 net RSE adjustments at Spire Alabama.

Contribution Margin – Gas Utility contribution margin was $198.2 for the three months ended June 30, 2020, a $2.9 increase over the same period in the prior year. The increase was attributable to the following factors:

Spire Missouri – ISRS, including ISRS rulings provision true-up	$	7.3
Spire Missouri – Customer growth		1.0
Spire Alabama – RSE adjustments, net		(4.0	)
Spire Missouri and Spire Alabama – Volumetric usage (net of weather mitigation)		(1.3	)
All other factors		(0.1	)
Total Variation	$	2.9

The increase in contribution margin was primarily attributable to Spire Missouri’s net ISRS amounts (including true-up of provision for ISRS rulings) of $7.3, in conjunction with $1.0 related to customer growth at Spire Missouri. These favorable impacts were partly offset by the $4.0 net unfavorable RSE adjustments at Spire Alabama, and lower volumetric usage (net of weather mitigation).

Operating Expenses – O&M expenses for the three months ended June 30, 2020 were $2.1 higher than the same period in the prior year, including the $9.5 year-over-year net increase due to the Postretirement Nonservice Cost Transfer impact mentioned previously. Excluding this impact, O&M expenses were $7.4 lower due to decreased operations, administrative and employee-related costs. Depreciation and amortization expenses for the three months ended June 30, 2020 were $2.7 higher than the same period in the prior year primarily driven by higher levels of capital expenditures across all the Utilities.

Gas Marketing

Operating Revenues – Operating revenues decreased $6.7 versus the prior-year period as retail volumes were slightly lower in addition to lower commodity prices.   Average pricing on retail volumes for the three months ended June 30, was approximately $2.01/MMBtu versus approximately $2.95/MMBtu for the quarter ended June 30, 2019.

Contribution Margin – Gas Marketing contribution margin during the three months ended June 30, 2020 increased $24.4 from the same period in the prior year, largely reflecting a $28.6 change in derivative activity and fair value measurements excluded from net economic earnings. Excluding these gains, margins were $4.2 lower when compared with the same period in the prior year, as higher volumes associated with the segment’s business expansion were offset by the costs of incremental storage capacity, transportation fees, and less favorable market conditions.   Incremental storage positions were nearly double last fiscal year’s levels in order to take advantage of seasonal spreads between summer 2020 and the upcoming winter season.

Interest Charges

Consolidated interest charges during the three months ended June 30, 2020 increased by $0.8 from the same period in the prior year. The increase was primarily driven by net long-term debt issuances at the Utilities and Spire STL Pipeline being offset by slightly lower average levels of short-term borrowings and lower short-term rates. For the three months ended June 30, 2020 and 2019, average short-term borrowings were $473.2 and $476.3, respectively, and the average interest rates on these borrowings were 1.12% and 2.8%, respectively.

Income Taxes

Consolidated income tax for the three months ended June 30, 2020 decreased $24.7 versus the same period in the prior year. The variance is primarily the result of the lower pre-tax book income in the current year, driven primarily by the impairment charges.

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Spire Missouri

	Three Months Ended June 30,
	2020			2019
Operating Income [GAAP]	$	7.0		$	12.2
Operation and maintenance expenses		75.6			68.2
Depreciation and amortization		29.7			28.0
Taxes, other than income taxes		22.7			19.9
Less: Gross receipts tax expense		(12.1	)		(12.5	)
Contribution Margin [Non-GAAP]		122.9			115.8
Natural and propane gas costs		68.9			63.1
Gross receipts tax expense		12.1			12.5
Operating Revenues	$	203.9		$	191.4
Net Income	$	6.5		$	1.1

Operating revenues for the three months ended June 30, 2020 increased $12.5 from the same period in the prior year primarily due to $10.6 in volumetric impacts (including weather mitigation), and a $7.3 net increase (after ISRS rulings provision true-up) of ISRS revenues, offset by lower gas costs of $3.9. Contribution margin for the three months ended June 30, 2020, increased $7.1 from the same period in the prior year, largely due to the $7.3 increase in ISRS mentioned above, combined with higher volumetric usage of $1.0 and customer growth of $1.0, partially offset by lower late payment fees.

O&M expenses for the three months ended June 30, 2020 increased $7.4, including a $8.9 year-over-year net increase due to the true-up of transfer of mix of service and nonservice postretirement benefit costs to other expense below the operating income line. Excluding this impact, expenses were $1.5 lower than the prior year quarter. Depreciation and amortization increased $1.7 in the current quarter versus the prior-year quarter due to higher capital investments.

Other income was up $11.3 including the offsetting credit of postretirement costs of $8.9 explained above. Excluding this impact other income increased $2.4, primarily due to increases in the value of investments associated with non-qualified employee benefit plans reflecting market conditions.

Degree days in Spire Missouri’s service areas during the three months ended June 30, 2020, were 33% colder than normal and 35% colder than the same period last year, resulting in higher usage on a year-over-year comparative basis. Spire Missouri’s total system therms sold and transported were 259.4 million for the three months ended June 30, 2020, compared with 232.5 million for the same period in the prior year. Total off-system therms sold and transported were 4.8 million for the three months ended June 30, 2020, compared with 3.1 million for the same period last year.

Resulting net income for the quarter ended June 30, 2020 increased $5.4 versus the prior-year quarter.

Spire Alabama

	Three Months Ended June 30,
	2020			2019
Operating Income [GAAP]	$	9.3		$	11.1
Operation and maintenance expenses		32.5			37.3
Depreciation and amortization		15.0			14.2
Taxes, other than income taxes		7.1			8.2
Less: Gross receipts tax expense		(4.2	)		(4.8	)
Contribution Margin [Non-GAAP]		59.7			66.0
Natural and propane gas costs		17.3			20.0
Gross receipts tax expense		4.2			4.8
Operating Revenues	$	81.2		$	90.8
Net Income	$	3.6		$	5.6

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Operating revenues for the three months ended June 30, 2020, decreased $9.6 from the same period in the prior year. The change in operating revenue was principally due to a net RSE adjustment of $4.0, volumetric/weather impacts of $3.3, and lower gas costs of $2.3. Contribution margin decreased $6.3, primarily due to the RSE adjustment of $4.0, and $2.3 attributable to weather usage impacts.

O&M expenses for the three months ended June 30, 2020 decreased $4.8 versus the prior-year quarter, primarily due to lower field distribution and maintenance expenses. Depreciation and amortization expenses for the three months ended June 30, 2020, were $0.8 higher than the same period last year, the result of continued investment in infrastructure upgrades.

For the quarter ended June 30, 2020, resulting net income decreased $2.0 versus the prior-year quarter.

As measured in degree days, temperatures in Spire Alabama’s service area during the three months ended June 30, 2020 were 31% warmer than normal and 41% warmer than a year ago. Spire Alabama’s total system therms sold and transported were 208.7 million for the three months ended June 30, 2020, compared with 235.6 million for the same period in the prior year.

EARNINGS – NINE MONTHS ENDED JUNE 30, 2020

Spire

Net Income and Net Economic Earnings

The following tables reconcile the Company’s net economic earnings to the most comparable GAAP number, net income.

	Gas Utility			Gas Marketing			Other			Total			Per Diluted Common Share**
Nine Months Ended June 30, 2020
Net Income (Loss) [GAAP]	$	222.0		$	13.6		$	(127.3	)	$	108.3		$	1.90
Adjustments, pre-tax:
Impairments		—			—			148.6			148.6			2.90
Unrealized gain on energy-related derivatives		(0.2	)		(3.0	)		—			(3.2	)		(0.06	)
Income tax effect of adjustments*		—			0.7			(31.3	)		(30.6	)		(0.60	)
Net Economic Earnings (Loss) [Non-GAAP]	$	221.8		$	11.3		$	(10.0	)	$	223.1		$	4.14
Nine Months Ended June 30, 2019
Net Income (Loss) [GAAP]	$	220.7		$	18.2		$	(20.0	)	$	218.9		$	4.27
Adjustments, pre-tax:
Unrealized gain on energy-related derivatives		—			(3.3	)		—			(3.3	)		(0.06	)
Lower of cost or market inventory adjustments		—			2.7			—			2.7			0.05
Acquisition, divestiture and restructuring activities		—			—			0.4			0.4			0.01
Income tax effect of adjustments*		—			0.2			(0.1	)		0.1			—
Net Economic Earnings (Loss) [Non-GAAP]	$	220.7		$	17.8		$	(19.7	)	$	218.8		$	4.27

* Income tax effect is calculated by applying federal, state, and local income tax rates applicable to ordinary income to the amounts of the pre-tax reconciling items and then adding any estimated effects of enacted state or local income tax laws for periods before the related effective date.

** Net economic earnings per share is calculated by replacing consolidated net income with consolidated net economic earnings in the GAAP diluted earnings per share calculation, which includes reductions for cumulative preferred dividends and participating shares.

Note: In the following discussion, all references to earnings (loss) per share and net economic earnings per share refer to earnings (loss) per common share and net economic earnings per diluted common share.

56

Consolidated

Spire’s net income was $108.3 for the nine months ended June 30, 2020, compared with $218.9 for the nine months ended June 30, 2019. Basic and diluted earnings per share for the nine months ended June 30, 2020, were $1.90, compared with basic and diluted earnings per share of $4.28 and $4.27, respectively, for the nine months ended June 30, 2019.

For the current year, both net income per share and net economic earnings per share were reduced by approximately $0.18 per share due to dividends earned from the $250.0 in preferred shares that were issued in May 2019. Dividends on cumulative preferred shares are deducted from net income in the calculation of earnings per common share. Results were also impacted by $0.02 per share due to an increase in common shares outstanding. Net income per share in the current year was also impacted by the impairment charges totaling $2.29 per share.

The decrease in net income of $110.6 reflects the impact of the impairment charge, identified above, of $148.6 ($117.3 after-tax). Excluding this charge, net income increased $6.7, driven by increases of $10.0 and $1.3 in Other and Gas Utility, respectively, partly offset by a $4.6 reduction in net income from Gas Marketing.

The increase in net income of Other reflects earnings improvements in both Spire STL Pipeline and Spire Storage. The Gas Marketing segment was negatively impacted by less favorable market conditions. The Gas Utility segment was slightly favorable to the prior-year period, as higher ISRS at Spire Missouri and lower operating expenses were mostly offset by the impact of warmer weather during the November to March heating period, which lowered contribution margins.

Net economic earnings were $223.1 ($4.14 per diluted share) for the nine months ended June 30, 2020, compared to $218.8 ($4.27 per diluted share) for the same period last year, reflecting earnings improvements in both the Spire STL Pipeline and Spire Storage, partially offset by lower Gas Marketing earnings. These fluctuations are discussed in further detail below.

Gas Utility

Gas Utility net income and net economic earnings increased by $1.3 and $1.1, respectively, from the prior-year period. The results reflect increased contribution margins of $13.1, lower than expected due to warmer weather impacts of $6.9, combined with $1.4 lower operating expenses, after removing the impact of the current year $9.0 transfer of mix of service and nonservice postretirement benefit costs to other expense below the operating income line (the “Year-To-Date Postretirement Nonservice Cost Transfer”). Higher depreciation and amortization reflecting increased capital investment also impacted results.

Gas Marketing

The Gas Marketing segment reported net income of $13.6 for the nine months ended June 30, 2020, versus net income of $18.2 during the same period last year. Net economic earnings for the current year were $11.3, a decrease of $6.5 from the same period last year principally due to higher volumes that were more than offset by lower pricing, less favorable market conditions and higher operating costs.

Other

For the nine months ended June 30, 2020, net economic loss for Other was $10.0, an improvement from $19.7 in the prior-year period. Included in those results was a $3.4 increase in net economic earnings from the STL Pipeline which entered service in late calendar 2019 and a $5.5 reduction in the operating loss from Spire Storage.

57

Operating Revenues and Expenses and Contribution Margin

Reconciliations of the Company’s contribution margin to the most directly comparable GAAP measure are shown in the table below:

	Gas Utility			Gas Marketing			Other			Eliminations			Consolidated
Nine Months Ended June 30, 2020
Operating Income (Loss) [GAAP]	$	329.6		$	18.2		$	(141.5	)	$	—		$	206.3
Operation and maintenance expenses		319.9			8.9			28.0			(9.6	)		347.2
Depreciation and amortization		141.2			0.3			5.3			—			146.8
Taxes, other than income taxes		121.3			0.9			0.5			—			122.7
Impairments		—			—			148.6			—			148.6
Less: Gross receipts tax expense		(79.4	)		(0.3	)		—			—			(79.7	)
Contribution Margin [Non-GAAP]		832.6			28.0			40.9			(9.6	)		891.9
Natural and propane gas costs		603.7			48.9			0.3			(21.0	)		631.9
Gross receipts tax expense		79.4			0.3			—			—			79.7
Operating Revenues	$	1,515.7		$	77.2		$	41.2		$	(30.6	)	$	1,603.5
Nine Months Ended June 30, 2019
Operating Income (Loss) [GAAP]	$	317.2		$	22.3		$	(11.6	)	$	—		$	327.9
Operation and maintenance expenses		330.3			8.5			22.3			(8.2	)		352.9
Depreciation and amortization		133.2			—			1.7			—			134.9
Taxes, other than income taxes		126.3			0.6			1.2			—			128.1
Less: Gross receipts tax expense		(87.5	)		(0.1	)		—			—			(87.6	)
Contribution Margin [Non-GAAP]		819.5			31.3			13.6			(8.2	)		856.2
Natural and propane gas costs		746.6			38.2			0.7			(2.5	)		783.0
Gross receipts tax expense		87.5			0.1			—			—			87.6
Operating Revenues	$	1,653.6		$	69.6		$	14.3		$	(10.7	)	$	1,726.8

Consolidated

Spire’s operating revenues decreased by $137.9 at the Gas Utility segment and were $7.6 and $26.9 higher in the Gas Marketing segment and Other, respectively. The Gas Utility decrease was due principally to $90.4 lower gas costs, and a $49.8 reduction due to weather/volumetric impacts (net of weather mitigation). The Gas Marketing increase was due to higher volumes offsetting lower prices, while Other reflects an added $19.8 from STL Pipeline which entered service in late calendar 2019 and $6.2 higher revenues at Spire Storage.

Spire’s contribution margin increased $35.7 compared with the same nine-month period last year, as higher margins from Gas Utility and other businesses were offset by lower margins in Gas Marketing. The Gas Utility contribution margin increased $13.1, primarily driven by the $5.5 increase from Spire Alabama, and increases of $3.8 at both Spire Missouri and Spire EnergySouth. Higher contribution margins at the STL Pipeline are consistent with its in-service date earlier this fiscal year, and Spire Storage’s improvement reflects higher utilization of its storage capacity. The $3.3 decrease in Gas Marketing reflects less favorable market conditions and higher storage and transportation costs.

Depreciation and amortization expenses were higher in the Gas Utility segment, due to higher capital investments at both Spire Missouri and Spire Alabama. Gas Utility O&M expenses were lower in the current year driven primarily by the Year-To-Date Postretirement Nonservice Cost Transfer described above. Excluding this adjustment, O&M expenses decreased $1.4 largely due to decreased operations and employee-related costs. These fluctuations are described in more detail below.

58

Gas Utility

Operating Revenues – Gas Utility operating revenues for the nine months ended June 30, 2020, were $1,515.7, or $137.9 lower than the same period last year. The decrease in Gas Utility operating revenues was attributable to the following factors:

Spire Missouri and Spire Alabama – Lower PGA/GSA costs	$	(90.4	)
Spire Missouri and Spire Alabama – Volumetric usage (net of weather mitigation)		(49.8	)
Spire Missouri and Spire Alabama – Gross receipt taxes		(7.9	)
Spire Missouri and Spire Alabama – Off -system sales and capacity release		(6.9	)
Spire Missouri – ISRS, including ISRS rulings provision true-up		13.0
Spire Alabama – RSE adjustments, net		5.3
All other factors		(1.2	)
Total Variation	$	(137.9	)

The decrease in revenues was driven primarily by a $90.4 decrease in gas costs, lower weather/volumetric impacts of $49.8, a $7.9 reduction gross receipts taxes, and lower off-system sales of $6.9. These negative impacts were only partially offset by an $13.0 increase of Spire Missouri ISRS revenue (net of ISRS rulings provision true-up) and a $5.3 increase due to net adjustments to Spire Alabama’s RSE rate.

Contribution Margin – Gas Utility contribution margin was $832.6 for the nine months ended June 30, 2020, a $13.1 increase over the same period last year. The increase was attributable to the following factors:

Spire Missouri – ISRS, net of ISRS rulings provision	$	13.0
Spire Alabama – RSE adjustments, net		4.3
Spire Missouri – Customer growth		1.3
Spire Missouri and Spire Alabama – Volumetric usage (net of weather mitigation)		(6.9	)
All other factors		1.4
Total Variation	$	13.1

The contribution margin increase resulted primarily from Missouri ISRS revenue (net of ISRS rulings provision) and Spire Alabama RSE adjustment impacts. These positive factors were partially offset by lower volumetric margins at Spire Missouri of $7.6, net of weather mitigation. Spire Missouri degree days were 10% warmer than last year and 2% warmer than normal.

Operating Expenses – Gas Utility O&M expenses, decreased $10.4 from last year. Removing the Year-To-Date Postretirement Nonservice Cost Transfer, the year-over-year decrease in O&M was $1.4. This decrease was due to lower operations and employee-related costs. Depreciation and amortization expenses for the nine months ended June 30, 2020, increased $8.0 from the same period last year as a result of higher levels of capital investment over the past year.

Gas Marketing

Operating Revenues – Gas Marketing operating revenues increased $7.6 from the same period last year, principally due to higher volumes that were only partly offset by lower pricing levels. Overall commodity pricing on retail revenue in the current year was $0.79/MMBtu lower than the prior year.

Contribution Margin – Gas Marketing contribution margin during the nine months ended June 30, 2020, decreased $3.3 from the same period last year, as higher volumes associated with the segment’s business expansion were more than offset by the costs of incremental storage capacity, transportation fees, and less favorable market conditions. Incremental storage positions were nearly double last fiscal year’s levels in order to take advantage of seasonal spreads between summer 2020 and the upcoming winter season.

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Interest Charges

Consolidated interest charges during the nine months ended June 30, 2020, were $1.2 higher than the same period last year. The increase was primarily driven by net long-term debt issuances and higher levels of short-term borrowings, offset by slightly lower average short-term interest rates in the current period. For the nine months ended June 30, 2020 and 2019, average short-term borrowings were $581.7 and $557.6, respectively, and the average interest rates on these borrowings were 2.0% and 2.8%, respectively.

Income Taxes

Consolidated income tax expense during the nine months ended June 30, 2020 decreased $28.3 versus the prior year. The variance is the result of the lower pre-tax book income in the current year driven by the impairment charges, combined with a lower effective tax rate in the current year.

Spire Missouri

	Nine Months Ended June 30,
	2020			2019
Operating Income [GAAP]	$	191.7		$	186.0
Operation and maintenance expenses		191.9			202.0
Depreciation and amortization		88.0			83.0
Taxes, other than income taxes		85.5			89.9
Less: Gross receipts tax expense		(55.5	)		(63.1	)
Contribution Margin [Non-GAAP]		501.6			497.8
Natural and propane gas costs		478.3			600.3
Gross receipts tax expense		55.5			63.1
Operating Revenues	$	1,035.4		$	1,161.2
Net Income	$	129.0		$	132.3

Operating revenues during the nine months ended June 30, 2020, decreased $125.8 from the same period last year primarily due to a $87.1 decrease attributable to lower gas costs, a $34.8 decrease in volumetric impacts (net of weather mitigation) relating to warmer weather conditions in the current year, an $8.0 reduction due to lower off-system sales and a $7.5 reduction due to lower gross receipts taxes. These negative impacts were only slightly offset by $13.0 higher ISRS (net of final true-up of ISRS rulings provision).

Contribution margin increased $3.8 versus the same period in the prior year. A $13.0 increase in ISRS (net of final true-up of ISRS rulings provision) more than offset $7.6 lower volumetric margins, primarily the result of warmer weather. Degree days were 1o% warmer than last year and 2% warmer than normal, and as a result, commercial and industrial customers were down and residential margins, on a net basis declined even after including the benefit of the Weather Normalization Adjustment Rider.

O&M expenses during the nine months ended June 30, 2020, decreased $10.1 from the same period last year. Excluding the Year-To-Date Postretirement Nonservice Cost Transfer of $10.9, the year-over-year increase in O&M was $0.8 higher in the current year versus the prior-year period, in line with prior year expense levels. Depreciation increased by $5.0 as a result of continuing increases in the levels of capital investment.

Temperatures in Spire Missouri’s service areas during the nine months ended June 30, 2020, were 10% warmer than the same period last year and 2% warmer than normal. Spire Missouri’s total system therms sold and transported were 1,510.6 million for the nine months ended June 30, 2020, compared with 1,650.6 million for the same period last year. Total off-system therms sold and transported were 23.3 million for the nine months ended June 30, 2020, compared with 37.8 million for the same period last year.

Resulting net income for the nine months ended June 30, 2020 decreased $3.3 versus the same period in the prior year.

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Spire Alabama

	Nine Months Ended June 30,
	2020			2019
Operating Income [GAAP]	$	111.4		$	107.8
Operation and maintenance expenses		104.8			105.1
Depreciation and amortization		43.9			41.5
Taxes, other than income taxes		29.1			29.7
Less: Gross receipts tax expense		(20.3	)		(20.7	)
Contribution Margin [Non-GAAP]		268.9			263.4
Natural and propane gas costs		103.7			120.6
Gross receipts tax expense		20.3			20.7
Operating Revenues	$	392.9		$	404.7
Net Income	$	74.6		$	72.6

Operating revenues for the nine months ended June 30, 2020, decreased $11.8 from the same period last year. The change was principally driven by a $15.0 decrease in weather and usage impacts (net of weather mitigation) and $3.3 lower gas costs. These negative impacts were offset by net RSE adjustments (reset and giveback) of $5.3. Contribution margin increased $5.5, principally as a result of the RSE adjustments of $4.3 (mentioned above) and $0.7 of weather and usage (including weather mitigation). O&M expenses for the nine months ended June 30, 2020, decreased $0.3 from the same period last year, primarily driven by marginally lower employee-related costs.

Temperatures in Spire Alabama’s service area during the nine months ended June 30, 2020, were 17% warmer than the same period last year and 13% warmer than normal. Spire Alabama’s total system therms sold and transported were 812.4 million for the nine months ended June 30, 2020, compared with 840.6 million for the same period last year.

Resulting net income for the nine months ended June 30, 2020 increased $2.0 versus the same period in the prior-year.

REGULATORY MATTERS

For discussions of regulatory matters for Spire, Spire Missouri, and Spire Alabama, see Note 4, Regulatory Matters, of the Notes to Financial Statements in Item 1.

CRITICAL ACCOUNTING ESTIMATES

Our discussion and analysis of our financial condition, results of operations, liquidity, and capital resources are based upon our financial statements, which have been prepared in accordance with GAAP. GAAP requires that we make estimates and judgments that affect the reported amounts of assets, liabilities, revenues and expenses, and related disclosure of contingent assets and liabilities. We evaluate our estimates on an ongoing basis. We base our estimates on historical experience and on various other assumptions that we believe are reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates. Our critical accounting estimates used in the preparation of our financial statements are described in Item 7 of the Company’s, Spire Missouri’s, and Spire Alabama’s combined Annual Report on Form 10-K for the fiscal year ended September 30, 2019, and include regulatory accounting, employee benefits and postretirement obligations, and income taxes. While accounting estimates related to these and other items such as goodwill and allowance for doubtful accounts were considered in light of the COVID-19 health crisis, there were no significant changes to critical accounting estimates during the nine months ended June 30, 2020, other than the impairment assessments for certain non-utility assets discussed below.

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Long-lived assets classified as held and used are evaluated for impairment when events or changes in circumstances indicate that the carrying value of such assets may not be recoverable. Whether impairment has occurred is determined by comparing the estimated undiscounted cash flows attributable to the assets with the carrying value of the assets. If the carrying value exceeds the undiscounted cash flows, the Company recognizes an impairment charge equal to the amount of the carrying value that exceeds the estimated fair value of the assets. In the period in which the Company determines an asset meets held-for-sale criteria, an impairment charge is recorded to the extent the book value exceeds its fair value less cost to sell.

On July 1, 2020, Spire’s Board of Directors, based upon the recommendation of senior management, revised the development plan for Spire Storage West LLC (“Spire Storage”), resulting in an impairment charge of $140.8 related to Spire Storage assets in the quarter ended June 30, 2020. The revision was driven by the realization that a longer time horizon will be required for optimization and positioning of the storage facility to serve energy markets in the western United States. Among other factors, evaluations of the continuing evolution of market dynamics in the region led management to update models of various development alternatives. Separately in the quarter ended June 30, 2020, Spire recorded impairment charges totaling $7.8 related to two commercial compressed natural gas fueling stations as a result of revised projections reflecting lower diesel prices and slower conversions of Class 8 vehicles. The fair values used in measuring the impairment charges were determined with an expected present value technique using a discounted cash flow method under an income approach. Our impairment loss calculations required management to make assumptions and to apply judgment in order to estimate fair values of the assets. This involved estimating cash flows, useful lives, and current market value for similar assets and selecting a discount rate that reflects the risk inherent in future cash flows. Cash flow projections were based on assumptions about future market demand and achievement of certain operational capabilities. Assumptions were selected from a range of reasonably possible amounts and were supported by relevant and reliable data. However, if actual results are not consistent with our estimates and assumptions, we may be exposed to additional impairments that could be material. We do not believe there is a reasonable likelihood that there will be a material change in the estimates or assumptions we use to calculate asset impairment losses.

For discussion of other significant accounting policies, see Note 1 of the Notes to Financial Statements included in this Form 10-Q as well as Note 1 of the Notes to Financial Statements included in the Company’s, Spire Missouri’s, and Spire Alabama’s combined Annual Report on Form 10-K for the fiscal year ended September 30, 2019.

ACCOUNTING PRONOUNCEMENTS

The Company, Spire Missouri and Spire Alabama have evaluated or are in the process of evaluating the impact that recently issued accounting standards will have on the companies’ financial position or results of operations upon adoption. For disclosures related to the adoption of new accounting standards, see the New Accounting Pronouncements section in Note 1 of the Notes to Financial Statements in Item 1.

LIQUIDITY

The Company’s short-term borrowing requirements typically peak during colder months when the Utilities borrow money to cover the lag between when they purchase natural gas and when their customers pay for that gas. Changes in the wholesale cost of natural gas (including cash payments for margin deposits associated with Spire Missouri’s use of natural gas derivative instruments), variations in the timing of collections of gas cost under the Utilities’ PGA clauses and GSA riders, the seasonality of accounts receivable balances, and the utilization of storage gas inventories cause short-term cash requirements to vary during the year and from year to year, and may cause significant variations in the Company’s cash provided by or used in operating activities.

	Nine Months Ended June 30,
Cash Flow Summary	2020			2019
Net cash provided by operating activities	$	453.8		$	440.6
Net cash used in investing activities		(470.1	)		(623.5	)
Net cash provided by financing activities		17.9			167.3

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For the nine months ended June 30, 2020, net cash provided by operating activities increased $13.2 from the corresponding period of fiscal 2019. The change was due principally to the timing of accounts payable and fluctuations in working capital items, as discussed above.

For the nine months ended June 30, 2020, net cash used in investing activities was $153.4 less than for the same period in the prior year, primarily driven by a $132.8 decrease in capital expenditures and $7.9 less outflows relating to acquisition-related activity. The lower capital spending in the current year is consistent with the Company’s capital expenditure expectations. The primary drivers were $125.0 in lower expenditures related to Spire Storage and Spire STL Pipeline, which was completed in the first quarter of this fiscal year, combined with $9.9 lower expenditures at the Utilities. Total capital expenditures for the full fiscal year 2020 are expected to be approximately $650.

Lastly, for the nine months ended June 30, 2020, net cash provided by financing activities was $17.9, versus net cash provided of $167.3 for the nine months ended June 30, 2019. This change primarily reflects issuance of long-term debt of $510.0 this year versus $190.0 in the prior year, with an increase in proceeds from common stock issuances of $27.5, principally through the “at-the-market” program (discussed below), offset by the $242.0 issuance of preferred stock in May 2019, by a combined $233.9 higher short- and long-term borrowing repayments in the current year, and by an increase in preferred stock and common stock dividends paid of $11.1 and $6.8, respectively, in the current year.

CAPITAL RESOURCES

The Company’s, Spire Missouri’s and Spire Alabama’s access to capital markets, including the commercial paper market, and their respective financing costs, may depend on the credit rating of the entity that is accessing the capital markets. Our debt is rated by two rating agencies: Standard & Poor’s Corporation (“S&P”) and Moody’s Investors Service (“Moody’s”). As of June 30, 2020, the debt ratings of the Company, Spire Missouri and Spire Alabama, shown in the following table, remain at investment grade with a stable outlook.

	S&P	Moody’s
Spire Inc. senior unsecured long-term debt	BBB+	Baa2
Spire Inc. preferred stock	BBB	Ba1
Spire Inc. short-term debt	A-2	P-2
Spire Missouri senior secured long-term debt	A	A1
Spire Alabama senior unsecured long-term debt	A-	A2

It is management’s view that the Company, Spire Missouri and Spire Alabama have adequate access to capital markets and will have sufficient capital resources, both internal and external, to meet anticipated capital requirements, which primarily include capital expenditures, interest payments on long-term debt, scheduled maturities of long-term debt, short-term seasonal needs and dividends.

The effects of COVID-19 on the U.S. capital markets may significantly impact Spire. We rely on access to the capital markets to fund our capital requirements. These uncertain economic conditions may also result in the inability of our customers to pay for services and could have an impact on our liquidity. Still, considering our financing as described in Note 5, Financing Arrangements and Long-term Debt, of the Notes to Financial Statements in Item 1, along with our temporary cash investments, we believe we have sufficient access to cash to meet our needs.

Cash and Cash Equivalents

Bank deposits were used to support working capital needs of the business. Spire had no temporary cash investments as of June 30, 2020.

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Short-term Debt

The Utilities’ short-term borrowing requirements typically peak during the colder months, while most of the Company’s other needs are less seasonal. These short-term cash requirements can be met through the sale of commercial paper or through the use of a revolving credit facility. For information about these resources, see Note 5, Financing Arrangements and Long-term Debt, of the Notes to Financial Statements in Item 1.

Long-term Debt and Equity

At June 30, 2020, including the current portion but excluding unamortized discounts and debt issuance costs, Spire had long-term debt totaling $2,500.0, of which $1,098.0 was issued by Spire Missouri, $475.0 was issued by Spire Alabama, and $237.0 was issued by other subsidiaries. For more information about long-term debt, see Note 5 of the Notes to Financial Statements in Item 1.

Spire Missouri was authorized by the MoPSC to issue registered securities (first mortgage bonds, unsecured debt and preferred stock), common stock, and private placement debt in an aggregate amount of up to $500.0 for financings placed any time before September 30, 2021. As of June 30, 2020, $125.0 remained available under this authorization. Spire Alabama has no standing authority to issue long-term debt and must petition the APSC for each planned issuance. On July 9, 2019, the APSC approved $100.0 of long-term financing, which was ultimately issued by Spire Alabama on December 2, 2019, and on March 24, 2020, the APSC approved an application for up to $150.0 of additional long-term debt financing for Spire Alabama.

Spire has a shelf registration statement on Form S-3 on file with the U.S. Securities and Exchange Commission (SEC) for the issuance and sale of up to 250,000 shares of common stock under its Dividend Reinvestment and Direct Stock Purchase Plan. There were 214,948 and 209,681 shares at June 30, 2020 and July 31, 2020, respectively, remaining available for issuance under this Form S-3. Spire and Spire Missouri also have a universal shelf registration statement on Form S-3 on file with the SEC for the issuance of various equity and debt securities, which expires on May 14, 2022.

On February 6, 2019, Spire entered into an “at-the-market” equity distribution agreement, supplemented as of May 14, 2019, pursuant to which the Company may offer and sell, from time to time, shares of its common stock having an aggregate offering price of up to $150.0. Those shares are issued pursuant to Spire’s universal shelf registration statement referenced above and a prospectus supplement dated May 14, 2019. Under this program, for the year ended September 30, 2019, Spire issued 179,630 shares, generating $14.4 of proceeds net of issuance costs, and for the nine months ended June 30, 2020, Spire issued 321,232 shares, generating $24.6 of proceeds net of issuance costs.

Including the current portion of long-term debt, the Company’s long-term consolidated capitalization at June 30, 2020 consisted of 51% equity, compared to 55% equity at September 30, 2019.

CONTRACTUAL OBLIGATIONS

During the nine months ended June 30, 2020, there were no material changes outside the ordinary course of business to the estimated contractual obligations from the disclosure provided in the Company’s Form 10-K for the fiscal year ended September 30, 2019.

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MARKET RISK

There were no material changes in the Company’s commodity price risk or counterparty credit risk as of June 30, 2020, relative to the corresponding information provided in the Company’s Annual Report on Form 10-K as of September 30, 2018. During the first quarter of fiscal 2019, the Company entered into a three-year interest rate swap with a fixed interest rate of 3.250% and a notional amount of $100.0 to protect itself against adverse movements in interest rates on future interest rate payments. The Company recorded a $26.3 mark-to-market loss on this swap for the nine months ended June 30, 2020. In the second quarter of 2020, the Company entered into multiple three-year interest rate swaps with fixed interest rates ranging from 0.921% to 1.3105% for a total notional amount of $150.0 to protect itself against adverse movements in interest rates on future interest rate payments. The Company recorded a $5.5 mark-to-market loss on these swaps for the nine months ended June 30, 2020. In the third quarter of fiscal 2020, the Company entered into a ten-year interest rate swap with a fixed interest rate of 0.761% and a notional amount of $40.0 to protect itself against adverse movements in interest rates on future interest rate payments. The Company recorded a $0.4 mark-to-market loss on these swaps for the three months ended June 30, 2020.

ENVIRONMENTAL MATTERS

The Utilities and other Spire subsidiaries own and operate natural gas distribution, transmission and storage facilities, the operations of which are subject to various environmental laws and regulations, along with their interpretations. While environmental issues resulting from such operations arise in the ordinary course of business, such issues have not materially affected the Company’s, Spire Missouri’s, or Spire Alabama’s financial position and results of operations. As environmental laws, regulations, and interpretations change, however, the Company and the Utilities may be required to incur additional costs. For information relative to environmental matters, see Contingencies in Note 10 of the Notes to Financial Statements in Item 1.

OFF-BALANCE SHEET ARRANGEMENTS

At June 30, 2020, the Company had no off-balance-sheet financing arrangements other than surety bonds and letters of credit entered into in the ordinary course of business. The Company does not expect to engage in any significant off-balance-sheet financing arrangements in the near future.

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Item 3. Quantitative and Qualitative Disclosures About Market Risk

For this discussion, see Part I, Item 2, Management’s Discussion and Analysis of Financial Condition and Results of Operations – Market Risk.

Item 4. Controls and Procedures

Spire

Evaluation of Disclosure Controls and Procedures

As of the end of the period covered by this report, we carried out an evaluation, under the supervision and with participation of our management, including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures pursuant to Rule 13a-15(e) and Rule 15d-15(e) under the Securities Exchange Act of 1934, as amended. Based upon such evaluation, the Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures are effective.

Change in Internal Control over Financial Reporting

There were no changes in our internal control over financial reporting that occurred during the quarter ended June 30, 2020, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Spire Missouri

Evaluation of Disclosure Controls and Procedures

As of the end of the period covered by this report, we carried out an evaluation, under the supervision and with participation of our management, including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures pursuant to Rule 13a-15(e) and Rule 15d-15(e) under the Securities Exchange Act of 1934, as amended. Based upon that evaluation, the Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures are effective.

Changes in Internal Control over Financial Reporting

There were no changes in our internal control over financial reporting that occurred during the quarter ended June 30, 2020, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

Spire Alabama

Evaluation of Disclosure Controls and Procedures

As of the end of the period covered by this report, we carried out an evaluation, under the supervision and with participation of our management, including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of the disclosure controls and procedures pursuant to Rule 13a-15(e) and Rule 15d-15(e) under the Securities Exchange Act of 1934, as amended. Based upon that evaluation, the Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures are effective.

Changes in Internal Control over Financial Reporting

There were no changes in our internal control over financial reporting that occurred during the quarter ended June 30, 2020, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II. OTHER INFORMATION

Item 1. Legal Proceedings

For a description of legal proceedings, environmental matters and regulatory matters, see Note 10, Commitments and Contingencies, and Note 4, Regulatory Matters, of the Notes to Financial Statements in Item 1 of Part I.

The registrants are involved in litigation, claims and investigations arising in the normal course of business. Management, after discussion with counsel, believes that the final outcomes of these matters will not have a material effect on any registrant’s financial position or results of operations reflected in the financial statements presented herein.

Item 1A. Risk Factors

The following represents a material change in our risk factors from those disclosed in Part I, Item 1A of our Annual Report on Form 10-K for the fiscal year ended September 30, 2019 (our “Form 10-K”). The following risk factor disclosure should be read in conjunction with the other risk factors set out in our Form 10-K.

We face risks related to the recent coronavirus outbreak.

The recent outbreak of the novel coronavirus (COVID-19) has adversely impacted economic activity and conditions worldwide. In particular, efforts to control the spread of COVID-19 have led to shutdowns of customer operations, as well as disrupted financial markets and supply chains. The Company has implemented what we believe to be appropriate procedures and protocols to ensure the safety of our customers, suppliers and employees. These actions include activating incident management procedures, sheltering-at-home for our office-based employees, limiting direct contact with our customers, and, through June, suspending disconnections and charging late payments to our utility customers. During the period ended June 30, 2020, we have experienced impacts on our results of operations as a result of COVID-19 including, but not limited to: late payment charges, lower revenue on commercial and industrial volumes, increased bad debt expenses, increases in certain operational expenses such as enhanced cleaning and personal protection equipment, decreases in expense for travel and medical claims, and higher residential customer charges due to the moratorium on disconnections. We are continuing to assess the developments involving our workforce, customers and suppliers, as well as the developing response of federal and state authorities, our regulators and other business and community leaders. An extended slowdown of the United States' economy or demand for commodities and/or material changes in policy could result in lower demand for natural gas, particularly among our commercial and industrial customers, as well as negatively impact the ability of our customers, contractors, suppliers and other business partners to remain in business or return to reasonable business activity in the near future. The impacts of this crisis continue to unfold, and the full extent of future developments are not known at this time and may have a material impact on our results of operations, financial condition, liquidity and prospects. We have identified the following potential categories of risks for Spire, Spire Missouri and Spire Alabama outside of those already experienced through June 2020:

• The health, safety and productivity of our workforce, including in a physically dispersed environment;

• Decreases in non-essential operational functions and/or capital investment;

• Supply chain impacts due to decreased production and imports of materials and supplies;

• The impact on operating results due to increased costs, lower demand in Spire’s service territories and/or lower fees associated with suspending service disconnections and other billing practices or other moratoriums that are in place, or may be put in place;

• The impact of new regulatory actions that could increase costs or provide for future regulatory recovery of those costs;

• Spire’s continued ability to access normal functioning capital markets in prolonged economic downturn;

• Adverse investment performance for postretirement benefit plan assets or the failure to maintain sustained growth in these investments over time could increase our plan costs and funding requirements related to the plans; and

• Cybersecurity risks associated with a portion of our workforce working remotely.

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To mitigate some of these risks, Spire has implemented additional health and safety precautions while continuing to service utility customers. Spire is an essential business and continues to operate, while adhering to precautionary safety measures, to ensure that critical infrastructure improvements continue and to maintain the safety of the gas distribution network. Further, we have modified certain business and workforce practices (including employee travel, employee work locations, and cancellation of physical participation in meetings, events, and conferences) to conform to government restrictions and best practices encouraged by government and regulatory authorities. We are monitoring impacts on our operations, costs and rate bases of our businesses, and continue to explore alternative approaches to ensure the viability of our businesses and continued service to our customers.

The actual or perceived effects of a disease outbreak, epidemic, pandemic or similar widespread public health concern, such as COVID-19, will likely negatively affect our operations, liquidity, financial condition, cash flows and results of operations. To the extent the COVID-19 health crisis adversely affects our business, it may also have the effect of heightening many of the other risks described in Part I, Item 1A of our Form 10-K.

Item 2. Unregistered Sales of Equity Securities and Use of Proceeds

The only repurchases of Spire’s common stock in the quarter were pursuant to elections by employees to have shares of stock withheld to cover employee tax withholding obligations upon the vesting of performance-based and time-vested restricted stock and stock units. The following table provides information on those repurchases.

Period	(a) Total Number of Shares Purchased		(b) Average Price Paid Per Share		(c) Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs		(d) Maximum Number of Shares That May Yet be Purchased Under the Plans or Programs
April 1, 2020 – April 30, 2020		80	$	68.62		—		—
May 1, 2020 – May 31, 2020		361		71.45		—		—
June 1, 2020 – June 30, 2020		—		—		—		—
Total		441		70.94		—		—

Spire Missouri’s outstanding first mortgage bonds contain restrictions on its ability to pay cash dividends on its common stock. As of June 30, 2020, all of Spire Missouri’s retained earnings were free from such restrictions.

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

Exhibit No.	Description
31.1	CEO and CFO Certifications under Exchange Act Rule 13a-14(a) of Spire Inc.
31.2	CEO and CFO Certifications under Exchange Act Rule 13a-14(a) of Spire Missouri Inc.
31.3	CEO and CFO Certifications under Exchange Act Rule 13a-14(a) of Spire Alabama Inc.
32.1	CEO and CFO Section 1350 Certifications of Spire Inc.
32.2	CEO and CFO Section 1350 Certifications of Spire Missouri Inc.
32.3	CEO and CFO Section 1350 Certifications of Spire Alabama Inc.
101	Interactive Data Files including the following information from the Quarterly Report on Form 10-Q for the period ended June 30, 2020, formatted in inline extensible business reporting language (“Inline XBRL”): (i) Cover Page Interactive Data and (ii) the Financial Statements included in Item 1.
104	Cover Page Interactive Data File (formatted in Inline XBRL and included in the Interactive Data Files submitted under Exhibit 101).

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SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, each of the registrants has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

		Spire Inc.
Date:	August 5, 2020	By:	/s/ Steven P. Rasche
			Steven P. Rasche
			Executive Vice President and Chief Financial Officer
			(Authorized Signatory and Principal Financial Officer)

		Spire Missouri Inc.
Date:	August 5, 2020	By:	/s/ Timothy W. Krick
			Timothy W. Krick
			Controller and Chief Accounting Officer
			(Authorized Signatory and Chief Accounting Officer)

		Spire Alabama Inc.
Date:	August 5, 2020	By:	/s/ Timothy W. Krick
			Timothy W. Krick
			Chief Accounting Officer
			(Authorized Signatory and Chief Accounting Officer)

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EX-31.1

Exhibit 31.1

CERTIFICATION

I, Suzanne Sitherwood, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Spire Inc.;

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:	August 5, 2020	Signature:	/s/ Suzanne Sitherwood
			Suzanne Sitherwood
			President and Chief Executive Officer

CERTIFICATION

I, Steven P. Rasche, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Spire Inc.;

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:	August 5, 2020	Signature:	/s/ Steven P. Rasche
			Steven P. Rasche
			Executive Vice President, Chief Financial Officer

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Steven L. Lindsey, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Spire Missouri Inc.;

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:	August 5, 2020	Signature:	/s/ Steven L. Lindsey
			Steven L. Lindsey
			Chief Executive Officer

CERTIFICATION

I, Adam W. Woodard, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Spire Missouri Inc.;

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:	August 5, 2020	Signature:	/s/ Adam W. Woodard
			Adam W. Woodard
			Chief Financial Officer

EX-31.3

Exhibit 31.3

CERTIFICATION

I, Steven L. Lindsey, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Spire Alabama Inc.;

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:	August 5, 2020	Signature:	/s/ Steven L. Lindsey
			Steven L. Lindsey
			Chief Executive Officer

CERTIFICATION

I, Adam W. Woodard, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Spire Alabama Inc.;

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:	August 5, 2020	Signature:	/s/ Adam W. Woodard
			Adam W. Woodard
			Chief Financial Officer

EX-32.1

Exhibit 32.1

Section 1350 Certification

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, I, Suzanne Sitherwood, President and Chief Executive Officer of Spire Inc., hereby certify that:

(a) To the best of my knowledge, the accompanying report on Form 10-Q for the period ended June 30, 2020, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(b) To the best of my knowledge, the information contained in the accompanying report on Form 10-Q for the period ended June 30, 2020, fairly presents, in all material respects, the financial condition and results of operations of Spire Inc.

Date:	August 5, 2020	Signature:	/s/ Suzanne Sitherwood
			Suzanne Sitherwood
			President and Chief Executive Officer

Section 1350 Certification

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, I, Steven P. Rasche, Executive Vice President and Chief Financial Officer of Spire Inc., hereby certify that:

(a) To the best of my knowledge, the accompanying report on Form 10-Q for the period ended June 30, 2020, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(b) To the best of my knowledge, the information contained in the accompanying report on Form 10-Q for the period ended June 30, 2020, fairly presents, in all material respects, the financial condition and results of operations of Spire Inc.

Date:	August 5, 2020	Signature:	/s/ Steven P. Rasche
			Steven P. Rasche
			Executive Vice President, Chief Financial Officer

EX-32.2

Exhibit 32.2

Section 1350 Certification

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, I, Steven L. Lindsey, Chief Executive Officer of Spire Missouri Inc., hereby certify that:

(a) To the best of my knowledge, the accompanying report on Form 10-Q for the period ended June 30, 2020, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(b) To the best of my knowledge, the information contained in the accompanying report on Form 10-Q for the period ended June 30, 2020, fairly presents, in all material respects, the financial condition and results of operations of Spire Missouri Inc.

Date:	August 5, 2020	Signature:	/s/ Steven L. Lindsey
			Steven L. Lindsey
			Chief Executive Officer

Section 1350 Certification

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, I, Adam W. Woodard, Chief Financial Officer of Spire Missouri Inc., hereby certify that:

(a) To the best of my knowledge, the accompanying report on Form 10-Q for the period ended June 30, 2020, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(b) To the best of my knowledge, the information contained in the accompanying report on Form 10-Q for the period ended June 30, 2020, fairly presents, in all material respects, the financial condition and results of operations of Spire Missouri Inc.

Date:	August 5, 2020	Signature:	/s/ Adam W. Woodard
			Adam W. Woodard
			Chief Financial Officer

EX-32.3

Exhibit 32.3

Section 1350 Certification

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, I, Steven L. Lindsey, Chief Executive Officer of Spire Alabama Inc., hereby certify that:

(a) To the best of my knowledge, the accompanying report on Form 10-Q for the period ended June 30, 2020, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(b) To the best of my knowledge, the information contained in the accompanying report on Form 10-Q for the period ended June 30, 2020, fairly presents, in all material respects, the financial condition and results of operations of Spire Alabama Inc.

Date:	August 5, 2020	Signature:	/s/ Steven L. Lindsey
			Steven L. Lindsey
			Chief Executive Officer

Section 1350 Certification

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to §906 of the Sarbanes-Oxley Act of 2002, I, Adam W. Woodard, Chief Financial Officer of Spire Alabama Inc., hereby certify that:

(a) To the best of my knowledge, the accompanying report on Form 10-Q for the period ended June 30, 2020, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(b) To the best of my knowledge, the information contained in the accompanying report on Form 10-Q for the period ended June 30, 2020, fairly presents, in all material respects, the financial condition and results of operations of Spire Alabama Inc.

Date:	August 5, 2020	Signature:	/s/ Adam W. Woodard
			Adam W. Woodard
			Chief Financial Officer

XML

Document and Entity Information - shares	9 Months Ended
	Jun. 30, 2020	Jul. 31, 2020
Entity Information [Line Items]
Entity Registrant Name	Spire Inc
Entity Central Index Key	0001126956
Current Fiscal Year End Date	--09-30
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding (in shares)		51,482,424
Document Period End Date	Jun. 30, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Document Type	10-Q
Amendment Flag	false
Entity Shell Company	false
Entity File Number	1-16681
Entity Tax Identification Number	74-2976504
Entity Address, Address Line One	700 Market Street
Entity Address, City or Town	St. Louis
Entity Address, State or Province	MO
Entity Address, Postal Zip Code	63101
City Area Code	314
Local Phone Number	342-0500
Entity Incorporation, State or Country Code	MO
Document Quarterly Report	true
Document Transition Report	false
Spire Missouri Inc
Entity Information [Line Items]
Entity Registrant Name	Spire Missouri Inc
Entity Central Index Key	0000057183
Current Fiscal Year End Date	--09-30
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding (in shares)		24,577
Document Period End Date	Jun. 30, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Document Type	10-Q
Amendment Flag	false
Entity Shell Company	false
Entity File Number	1-1822
Entity Tax Identification Number	43-0368139
Entity Address, Address Line One	700 Market Street
Entity Address, City or Town	St. Louis
Entity Address, State or Province	MO
Entity Address, Postal Zip Code	63101
City Area Code	314
Local Phone Number	342-0500
Entity Incorporation, State or Country Code	MO
Spire Alabama Inc
Entity Information [Line Items]
Entity Registrant Name	Spire Alabama Inc
Entity Central Index Key	0000003146
Current Fiscal Year End Date	--09-30
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding (in shares)		1,972,052
Document Period End Date	Jun. 30, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Document Type	10-Q
Amendment Flag	false
Entity Shell Company	false
Entity File Number	2-38960
Entity Tax Identification Number	63-0022000
Entity Address, Address Line One	2101 6th Avenue North
Entity Address, City or Town	Birmingham
Entity Address, State or Province	AL
Entity Address, Postal Zip Code	35203
City Area Code	205
Local Phone Number	326-8100
Entity Incorporation, State or Country Code	AL
Common Stock $1.00 par value
Entity Information [Line Items]
Trading Symbol	SR
Title of each class	Common Stock $1.00 par value
Name of each exchange on which registered	NYSE
Depositary Shares, each representing a 1/1,000th interest in a share of 5.90% Series A Cumulative Redeemable Perpetual Preferred Stock, par value $25.00 per share
Entity Information [Line Items]
Trading Symbol	SR.PRA
Title of each class	Depositary Shares
Name of each exchange on which registered	NYSE

XML

CONDENSED CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Operating Revenues:
Gas Utility	$ 305.7	$ 301.4	$ 1,515.4	$ 1,651.9
Gas Marketing and other	15.4	19.9	88.1	74.9
Total Operating Revenues	321.1	321.3	1,603.5	1,726.8
Gas Utility
Natural and propane gas	70.7	75.5	534.3	664.6
Other operation and maintenance expenses	112.5	111.2	311.6	323.2
Depreciation and amortization	47.8	45.1	141.2	133.2
Taxes, other than income taxes	31.7	29.7	121.3	126.3
Total Gas Utility Operating Expenses	262.7	261.5	1,108.4	1,247.3
Impairments	148.6	0.0	148.6	0.0
Gas Marketing and other	16.3	46.5	140.2	151.6
Total Operating Expenses	427.6	308.0	1,397.2	1,398.9
Operating (Loss) Income	(106.5)	13.3	206.3	327.9
Interest Expense, Net	26.4	25.6	80.3	79.1
Other Income (Expense), Net	13.0	6.4	(0.8)	15.3
(Loss) Income Before Income Taxes	(119.9)	(5.9)	125.2	264.1
Income Tax (Benefit) Expense	(27.6)	(2.9)	16.9	45.2
Net (Loss) Income	(92.3)	(3.0)	108.3	218.9
Provision for preferred dividends	3.7	1.6	11.1	1.6
(Loss) income allocated to participating securities	(0.1)		0.2	0.5
Net (Loss) Income Available to Common Shareholders	$ (95.9)	$ (4.6)	$ 97.0	$ 216.8
Weighted Average Number of Common Shares Outstanding:
Basic	51.2	50.7	51.1	50.6
Diluted	51.2	50.7	51.2	50.8
Basic (Loss) Earnings Per Common Share	$ (1.87)	$ (0.09)	$ 1.90	$ 4.28
Diluted (Loss) Earnings Per Common Share	$ (1.87)	$ (0.09)	$ 1.90	$ 4.27
Spire Alabama
Operating Revenues:
Gas Utility	$ 81.2	$ 90.8	$ 392.9	$ 404.7
Total Operating Revenues	81.2	90.8	392.9	404.7
Gas Utility
Natural and propane gas	17.3	20.0	103.7	120.6
Other operation and maintenance expenses	32.5	37.3	104.8	105.1
Depreciation and amortization	15.0	14.2	43.9	41.5
Taxes, other than income taxes	7.1	8.2	29.1	29.7
Total Operating Expenses	71.9	79.7	281.5	296.9
Operating (Loss) Income	9.3	11.1	111.4	107.8
Interest Expense, Net	5.1	5.5	15.8	16.0
Other Income (Expense), Net	0.8	1.9	4.2	5.2
(Loss) Income Before Income Taxes	5.0	7.5	99.8	97.0
Income Tax (Benefit) Expense	1.4	1.9	25.2	24.4
Net (Loss) Income	$ 3.6	$ 5.6	$ 74.6	$ 72.6

XML

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Net (Loss) Income	$ (92.3)	$ (3.0)	$ 108.3	$ 218.9
Cash flow hedging derivative instruments:
Net hedging gain (loss) arising during the period	1.4	(12.3)	(20.8)	(30.4)
Amounts reclassified into net income	(0.3)	(0.3)	(2.8)	(1.0)
Net gain (loss) on cash flow hedging derivative instruments	1.1	(12.6)	(23.6)	(31.4)
Net gain (loss) on defined benefit pension and other postretirement plans		0.1	(0.1)	0.2
Net unrealized gain on available for sale securities				0.1
Other Comprehensive Income (Loss), Before Tax	1.1	(12.5)	(23.7)	(31.1)
Income Tax Expense (Benefit) Related to Items of Other Comprehensive Income (Loss)	0.1	(3.1)	(5.4)	(7.5)
Other Comprehensive Income (Loss), Net of Tax	1.0	(9.4)	(18.3)	(23.6)
Comprehensive (Loss) Income	(91.3)	(12.4)	90.0	195.3
Operating Revenues:
Gas Utility	305.7	301.4	1,515.4	1,651.9
Total Operating Revenues	321.1	321.3	1,603.5	1,726.8
Gas Utility
Natural and propane gas	70.7	75.5	534.3	664.6
Other operation and maintenance expenses	112.5	111.2	311.6	323.2
Depreciation and amortization	47.8	45.1	141.2	133.2
Taxes, other than income taxes	31.7	29.7	121.3	126.3
Total Operating Expenses	427.6	308.0	1,397.2	1,398.9
Operating (Loss) Income	(106.5)	13.3	206.3	327.9
Interest Expense, Net	26.4	25.6	80.3	79.1
Other Income (Expense), Net	13.0	6.4	(0.8)	15.3
(Loss) Income Before Income Taxes	(119.9)	(5.9)	125.2	264.1
Income Tax Expense (Benefit)	(27.6)	(2.9)	16.9	45.2
Net (Loss) Income	(92.3)	(3.0)	108.3	218.9
Other Comprehensive Income (Loss), Net of Tax	1.0	(9.4)	(18.3)	(23.6)
Comprehensive (Loss) Income	(91.3)	(12.4)	90.0	195.3
Spire Missouri
Net (Loss) Income	6.5	1.1	129.0	132.3
Cash flow hedging derivative instruments:
Other Comprehensive Income (Loss), Net of Tax	0.1	0.1		0.1
Comprehensive (Loss) Income	6.6	1.2	129.0	132.4
Operating Revenues:
Gas Utility	203.9	191.4	1,035.4	1,161.2
Total Operating Revenues	203.9	191.4	1,035.4	1,161.2
Gas Utility
Natural and propane gas	68.9	63.1	478.3	600.3
Other operation and maintenance expenses	75.6	68.2	191.9	202.0
Depreciation and amortization	29.7	28.0	88.0	83.0
Taxes, other than income taxes	22.7	19.9	85.5	89.9
Total Operating Expenses	196.9	179.2	843.7	975.2
Operating (Loss) Income	7.0	12.2	191.7	186.0
Interest Expense, Net	11.9	11.9	37.8	37.2
Other Income (Expense), Net	11.8	0.5	(8.1)	2.3
(Loss) Income Before Income Taxes	6.9	0.8	145.8	151.1
Income Tax Expense (Benefit)	0.4	(0.3)	16.8	18.8
Net (Loss) Income	6.5	1.1	129.0	132.3
Other Comprehensive Income (Loss), Net of Tax	0.1	0.1		0.1
Comprehensive (Loss) Income	$ 6.6	$ 1.2	$ 129.0	$ 132.4

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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Millions	Jun. 30, 2020	Sep. 30, 2019	Jun. 30, 2019
ASSETS
Utility Plant	$ 6,472.2	$ 6,146.5	$ 5,990.6
Less: Accumulated depreciation and amortization	1,882.1	1,794.5	1,770.4
Net Utility Plant	4,590.1	4,352.0	4,220.2
Non-utility Property (net of accumulated depreciation and amortization of $20.8, $12.7 and $11.1 at June 30, 2020, September 30, 2019, and June 30, 2019, respectively)	420.1	477.8	416.6
Other Investments	70.6	72.3	74.8
Total Other Property and Investments	490.7	550.1	491.4
Current Assets:
Cash and cash equivalents	7.4	5.8	5.8
Accounts receivable:
Utility	153.2	139.8	167.2
Other	122.4	172.8	193.2
Allowance for doubtful accounts	(27.5)	(23.0)	(23.7)
Delayed customer billings	10.5	4.3	19.4
Inventories:
Natural gas	110.5	162.6	123.8
Propane gas	10.7	10.7	10.7
Materials and supplies	27.4	23.3	23.7
Regulatory assets	70.2	78.6	79.0
Prepayments	42.2	29.1	39.5
Other	32.3	10.5	11.2
Total Current Assets	559.3	614.5	649.8
Deferred Charges and Other Assets:
Goodwill	1,171.6	1,171.6	1,171.6
Regulatory assets	791.8	767.6	657.1
Other	219.1	163.4	141.9
Total Deferred Charges and Other Assets	2,182.5	2,102.6	1,970.6
Total Assets	7,822.6	7,619.2	7,332.0
Capitalization:
Preferred stock ($25.00 par value per share; 10.0 million depositary shares authorized, issued and outstanding at June 30, 2020, September 30, 2019, and June 30, 2019)	242.0	242.0	242.0
Common stock (par value $1.00 per share; 70.0 million shares authorized; 51.5 million, 51.0 million, and 50.8 million shares issued and outstanding at June 30, 2020, September 30, 2019, and June 30, 2019, respectively)	51.5	51.0	50.8
Paid-in capital and common stock	1,539.9	1,505.8	1,492.7
Retained earnings	774.6	775.5	844.3
Accumulated other comprehensive loss	(49.6)	(31.3)	(17.2)
Total Shareholders' Equity	2,558.4	2,543.0	2,612.6
Temporary equity	4.1	3.4	0.0
Long-term debt (less current portion)	2,478.3	2,082.6	2,042.3
Total Capitalization	5,040.8	4,629.0	4,654.9
Current Liabilities:
Current portion of long-term debt	5.4	40.0	165.0
Notes payable	477.6	743.2	434.0
Accounts payable	200.8	301.5	297.6
Advance customer billings	22.4	32.6	11.6
Wages and compensation accrued	44.3	45.7	43.6
Customer deposits	35.4	35.6	35.7
Taxes accrued	61.0	68.5	56.7
Regulatory liabilities	58.8	60.8	31.3
Other	202.1	140.9	144.1
Total Current Liabilities	1,107.8	1,468.8	1,219.6
Deferred Credits and Other Liabilities:
Deferred income taxes	479.7	451.4	490.4
Pension and postretirement benefit costs	271.9	264.8	172.1
Asset retirement obligations	348.2	337.6	328.9
Regulatory liabilities	449.6	399.0	396.3
Other	124.6	68.6	69.8
Total Deferred Credits and Other Liabilities	1,674.0	1,521.4	1,457.5
Commitments and Contingencies (Note 10)
Total Capitalization and Liabilities	7,822.6	7,619.2	7,332.0
Spire Missouri
ASSETS
Utility Plant	3,865.3	3,643.2	3,545.9
Less: Accumulated depreciation and amortization	817.7	764.1	753.3
Net Utility Plant	3,047.6	2,879.1	2,792.6
Other Investments	55.6	53.3	54.9
Current Assets:
Cash and cash equivalents	0.7	2.6	3.7
Accounts receivable:
Utility	109.6	94.6	115.0
Associated companies	1.1	1.4	4.1
Other	21.6	26.5	22.2
Allowance for doubtful accounts	(19.0)	(14.9)	(16.5)
Delayed customer billings	6.6	4.3	19.4
Inventories:
Natural gas	68.3	100.1	72.5
Propane gas	10.7	10.7	10.7
Materials and supplies	16.2	13.3	13.5
Regulatory assets	29.5	29.4	30.2
Prepayments	27.3	18.2	25.4
Total Current Assets	272.6	286.2	300.2
Deferred Charges and Other Assets:
Goodwill	210.2	210.2	210.2
Regulatory assets	531.9	507.5	429.2
Other	82.2	85.6	53.7
Total Deferred Charges and Other Assets	824.3	803.3	693.1
Total Assets	4,200.1	4,021.9	3,840.8
Capitalization:
Paid-in capital and common stock	765.1	765.1	763.9
Retained earnings	671.7	576.6	613.9
Accumulated other comprehensive loss	(2.4)	(2.4)	(1.5)
Total Shareholders' Equity	1,434.4	1,339.3	1,376.3
Long-term debt (less current portion)	1,091.9	925.0	924.8
Total Capitalization	2,526.3	2,264.3	2,301.1
Current Liabilities:
Notes payable – associated companies	218.3	386.4	281.5
Accounts payable	60.4	75.7	62.3
Accounts payable – associated companies	6.8	5.5	5.0
Advance customer billings	14.4	20.8	3.4
Wages and compensation accrued	30.4	34.5	32.8
Customer deposits	13.1	13.4	12.9
Taxes accrued	30.9	36.4	28.3
Regulatory liabilities	50.8	52.3	23.4
Other	33.5	26.4	32.0
Total Current Liabilities	458.6	651.4	481.6
Deferred Credits and Other Liabilities:
Deferred income taxes	398.6	364.6	395.4
Pension and postretirement benefit costs	206.4	192.4	125.3
Asset retirement obligations	178.9	173.5	179.7
Regulatory liabilities	378.9	326.5	310.5
Other	52.4	49.2	47.2
Total Deferred Credits and Other Liabilities	1,215.2	1,106.2	1,058.1
Commitments and Contingencies (Note 10)
Total Capitalization and Liabilities	4,200.1	4,021.9	3,840.8
Spire Alabama
ASSETS
Utility Plant	2,244.8	2,138.0	2,080.5
Less: Accumulated depreciation and amortization	916.1	882.1	866.9
Net Utility Plant	1,328.7	1,255.9	1,213.6
Accounts receivable:
Utility	36.2	37.5	43.0
Associated companies	0.3	0.0	0.1
Other	8.1	8.5	8.8
Allowance for doubtful accounts	(7.2)	(6.3)	(5.2)
Delayed customer billings	3.9	0.0	0.0
Inventories:
Natural gas	18.8	35.1	30.6
Materials and supplies	8.8	7.8	8.2
Regulatory assets	23.4	33.9	33.9
Prepayments	8.4	5.3	7.4
Other	0.1	0.4	0.0
Total Current Assets	100.8	122.2	126.8
Deferred Charges and Other Assets:
Regulatory assets	232.1	231.2	199.9
Deferred income taxes	56.1	81.3	77.3
Other	61.6	53.0	59.1
Total Deferred Charges and Other Assets	349.8	365.5	336.3
Total Assets	1,779.3	1,743.6	1,676.7
Capitalization:
Paid-in capital and common stock	350.9	370.9	370.9
Retained earnings	515.7	459.1	473.4
Total Shareholders' Equity	866.6	830.0	844.3
Long-term debt (less current portion)	471.8	372.2	372.1
Total Capitalization	1,338.4	1,202.2	1,216.4
Current Liabilities:
Current portion of long-term debt	0.0	40.0	40.0
Notes payable – associated companies	85.6	128.7	79.6
Accounts payable	36.3	56.2	48.0
Accounts payable – associated companies	4.2	1.6	3.4
Advance customer billings	7.2	10.6	6.7
Wages and compensation accrued	7.4	8.0	7.7
Customer deposits	19.4	19.5	19.8
Taxes accrued	26.6	27.4	25.5
Regulatory liabilities	2.5	3.4	3.4
Other	14.0	9.2	11.2
Total Current Liabilities	203.2	304.6	245.3
Deferred Credits and Other Liabilities:
Pension and postretirement benefit costs	53.1	59.2	38.7
Asset retirement obligations	153.3	148.7	140.0
Regulatory liabilities	20.9	23.0	29.8
Other	10.4	5.9	6.5
Total Deferred Credits and Other Liabilities	237.7	236.8	215.0
Commitments and Contingencies (Note 10)
Total Capitalization and Liabilities	$ 1,779.3	$ 1,743.6	$ 1,676.7

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CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($) $ in Millions	Jun. 30, 2020	Sep. 30, 2019	Jun. 30, 2019
ASSETS
Non-utility property, accumulated depreciation and amortization	$ 20.8	$ 12.7	$ 11.1
Capitalization:
Preferred stock, par value (in dollars per share)	$ 25.00	$ 25.00	$ 25.00
Preferred stock, depositary shares authorized (in shares)	10,000,000.0	10,000,000.0	10,000,000.0
Preferred stock, depositary shares outstanding (in shares)	10,000,000.0	10,000,000.0	10,000,000.0
Preferred stock, depositary shares issued (in shares)	10,000,000.0	10,000,000.0	10,000,000.0
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00	$ 1.00
Common stock, authorized (in shares)	70,000,000.0	70,000,000.0	70,000,000.0
Common stock, issued (in shares)	51,500,000	51,000,000.0	50,800,000
Common stock, outstanding (in shares)	51,500,000	51,000,000.0	50,800,000
Spire Missouri
Capitalization:
Common stock, par value (in dollars per share)	$ 1.00	$ 1.00	$ 1.00
Common stock, authorized (in shares)	50,000,000.0	50,000,000.0	50,000,000.0
Common stock, issued (in shares)	24,577	24,577	24,577
Common stock, outstanding (in shares)	24,577	24,577	24,577
Spire Alabama
Capitalization:
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01	$ 0.01
Common stock, authorized (in shares)	3,000,000.0	3,000,000.0	3,000,000.0
Common stock, issued (in shares)	2,000,000.0	2,000,000.0	2,000,000.0
Common stock, outstanding (in shares)	2,000,000.0	2,000,000.0	2,000,000.0

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CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Millions	Total	Spire Missouri	Spire Alabama	Common Stock	Common Stock Spire Missouri	Common Stock Spire Alabama	Preferred Stock	Paid-in Capital	Paid-in Capital Spire Missouri	Paid-in Capital Spire Alabama	Retained Earnings	Retained Earnings Spire Missouri	Retained Earnings Spire Alabama	AOCI	[1]	AOCI Spire Missouri	[1]
BALANCE at Sep. 30, 2018	$ 2,255.4	$ 1,259.9	$ 808.7	$ 50.7	$ 0.1			$ 1,482.7	$ 760.3	$ 390.9	$ 715.6	$ 501.1	$ 417.8	$ 6.4		$ (1.6)
BALANCE (in shares) at Sep. 30, 2018				50,671,903	24,577	1,972,052
Stockholders' Equity Rollforward
Net (Loss) Income	218.9	132.3	72.6								218.9	132.3	72.6
Preferred stock offering	242.0						$ 242.0
Common stock issued	4.5			$ 0.1				4.4
Common stock issued (in shares)				59,630
Dividend reinvestment plan	1.2							1.2
Dividend reinvestment plan (in shares)				15,771
Stock-based compensation costs	6.7	3.5						6.7	3.5
Stock issued under stock-based compensation plans				$ 0.1				(0.1)
Stock issued under stock-based compensation (in shares)				86,328
Employees’ tax withholding for stock-based compensation	(2.3)			$ (0.1)				(2.2)
Employee's tax withholding for stock-based compensation (in shares)				(28,001)
Return of capital to Spire			(20.0)							(20.0)
Dividends declared on common stock	(90.2)	(19.5)	(17.0)								(90.2)	(19.5)	(17.0)
Other comprehensive income (loss), net of tax	(23.6)	0.1												(23.6)		0.1
BALANCE at Jun. 30, 2019	2,612.6	1,376.3	844.3	$ 50.8	$ 0.1		242.0	1,492.7	763.8	370.9	844.3	613.9	473.4	(17.2)		(1.5)
BALANCE (in shares) at Jun. 30, 2019				50,805,631	24,577	1,972,052
BALANCE at Mar. 31, 2019	2,406.0	1,374.0	838.7	$ 50.7	$ 0.1			1,485.6	762.7	370.9	877.5	612.8	467.8	(7.8)		(1.6)
BALANCE (in shares) at Mar. 31, 2019				50,742,637	24,577	1,972,052
Stockholders' Equity Rollforward
Net (Loss) Income	(3.0)	1.1	5.6								(3.0)	1.1	5.6
Preferred stock offering	242.0						242.0
Common stock issued	4.5			$ 0.1				4.4
Common stock issued (in shares)				59,630
Dividend reinvestment plan	0.4							0.4
Dividend reinvestment plan (in shares)				4,504
Stock-based compensation costs	2.3	1.1						2.3	1.1
Stock issued under stock-based compensation (in shares)				(1,140)
Dividends declared on common stock	(30.2)										(30.2)
Other comprehensive income (loss), net of tax	(9.4)	0.1												(9.4)		0.1
BALANCE at Jun. 30, 2019	2,612.6	1,376.3	844.3	$ 50.8	$ 0.1		242.0	1,492.7	763.8	370.9	844.3	613.9	473.4	(17.2)		(1.5)
BALANCE (in shares) at Jun. 30, 2019				50,805,631	24,577	1,972,052
BALANCE at Sep. 30, 2019	2,543.0	1,339.3	830.0	$ 51.0	$ 0.1		242.0	1,505.8	765.0	370.9	775.5	576.6	459.1	(31.3)		(2.4)
BALANCE (in shares) at Sep. 30, 2019				50,973,515	24,577	1,972,052
Stockholders' Equity Rollforward
Net (Loss) Income	108.3	129.0	74.6								108.3	129.0	74.6
Common stock issued	24.6			$ 0.3				24.3
Common stock issued (in shares)				321,232
Dividend reinvestment plan	8.7			$ 0.1				8.6
Dividend reinvestment plan (in shares)				114,851
Stock-based compensation costs	4.5							4.5
Stock issued under stock-based compensation plans				$ 0.1				(0.1)
Stock issued under stock-based compensation (in shares)				108,522
Employees’ tax withholding for stock-based compensation	(3.2)							(3.2)
Employee's tax withholding for stock-based compensation (in shares)				(40,288)
Temporary equity adjustment to redemption value	1.7										1.7
Return of capital to Spire			(20.0)							(20.0)
Dividends declared on common stock	(96.1)	(33.9)	(18.0)								(96.1)	(33.9)	(18.0)
Dividends declared on preferred stock	(14.8)										(14.8)
Other comprehensive income (loss), net of tax	(18.3)													(18.3)
BALANCE at Jun. 30, 2020	2,558.4	1,434.4	866.6	$ 51.5	$ 0.1		242.0	1,539.9	765.0	350.9	774.6	671.7	515.7	(49.6)		(2.4)
BALANCE (in shares) at Jun. 30, 2020				51,477,832	24,577	1,972,052
BALANCE at Mar. 31, 2020	2,665.6	1,439.1	869.0	$ 51.2	$ 0.1		242.0	1,520.7	765.0	350.9	902.3	676.5	518.1	(50.6)		(2.5)
BALANCE (in shares) at Mar. 31, 2020				51,229,061	24,577	1,972,052
Stockholders' Equity Rollforward
Net (Loss) Income	(92.3)	6.5	3.6								(92.3)	6.5	3.6
Common stock issued	15.1			$ 0.2				14.9
Common stock issued (in shares)				208,474
Dividend reinvestment plan	3.1			$ 0.1				3.0
Dividend reinvestment plan (in shares)				40,968
Stock-based compensation costs	1.4							1.4
Stock issued under stock-based compensation (in shares)				(230)
Employees’ tax withholding for stock-based compensation	(0.1)							(0.1)
Employee's tax withholding for stock-based compensation (in shares)				(441)
Temporary equity adjustment to redemption value	0.6										0.6
Dividends declared on common stock	(32.3)	(11.3)	(6.0)								(32.3)	(11.3)	(6.0)
Dividends declared on preferred stock	(3.7)										(3.7)
Other comprehensive income (loss), net of tax	1.0	0.1												1.0		0.1
BALANCE at Jun. 30, 2020	$ 2,558.4	$ 1,434.4	$ 866.6	$ 51.5	$ 0.1		$ 242.0	$ 1,539.9	$ 765.0	$ 350.9	$ 774.6	$ 671.7	$ 515.7	$ (49.6)		$ (2.4)
BALANCE (in shares) at Jun. 30, 2020				51,477,832	24,577	1,972,052

[1] Accumulated other comprehensive income (loss)

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CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement Of Stockholders Equity [Abstract]
Dividends declared on common stock (in dollars per share)	$ 0.6225	$ 0.5925	$ 1.8675	$ 1.7775
Dividends declared on preferred stock (in dollars per depositary share)	$ 0.36875		$ 1.475

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Operating Activities:
Net Income	$ 108.3	$ 218.9
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	146.8	134.9
Deferred income taxes and investment tax credits	17.0	42.6
Impairments	148.6	0.0
Changes in assets and liabilities:
Accounts receivable	41.5	(44.6)
Inventories	45.4	52.1
Regulatory assets and liabilities	67.5	82.1
Accounts payable	(72.3)	11.3
Delayed/advance customer billings, net	(16.4)	(23.5)
Taxes accrued	(8.9)	(7.1)
Other assets and liabilities	(28.8)	(24.2)
Other	5.1	(1.9)
Net cash provided by operating activities	453.8	440.6
Investing Activities:
Capital expenditures	(475.7)	(608.5)
Business acquisitions	0.0	(7.9)
Other	5.6	(7.1)
Net cash used in investing activities	(470.1)	(623.5)
Financing Activities:
Issuance of preferred stock	0.0	242.0
Issuance of long-term debt	510.0	190.0
Repayment of long-term debt	(147.0)	(59.1)
Repayment of short-term debt, net	(265.6)	(119.6)
Issuance of common stock	33.2	5.7
Dividends paid on common stock	(95.7)	(88.9)
Dividends paid on preferred stock	(11.1)	0.0
Other	(5.9)	(2.8)
Net cash provided by financing activities	17.9	167.3
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash	1.6	(15.6)
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	5.8	21.4
Cash and Cash Equivalents at End of Period	7.4	5.8
Supplemental disclosure of cash paid for:
Interest, net of amounts capitalized	(63.9)	(63.5)
Income taxes	(2.6)	(2.1)
Spire Missouri
Operating Activities:
Net Income	129.0	132.3
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	88.0	83.0
Deferred income taxes and investment tax credits	16.8	18.8
Changes in assets and liabilities:
Accounts receivable	(5.8)	(17.6)
Inventories	28.8	56.3
Regulatory assets and liabilities	57.9	88.7
Accounts payable	(1.0)	(8.3)
Delayed/advance customer billings, net	(8.7)	(18.5)
Taxes accrued	(5.5)	(3.7)
Other assets and liabilities	(13.3)	(36.9)
Other	0.5	3.9
Net cash provided by operating activities	286.7	298.0
Investing Activities:
Capital expenditures	(253.3)	(255.0)
Other	0.3	1.0
Net cash used in investing activities	(253.0)	(254.0)
Financing Activities:
Issuance of long-term debt	275.0	100.0
Repayment of long-term debt	(107.0)	(50.0)
Repayments to Spire, net	(168.1)	(63.8)
Dividends paid on common stock	(33.9)	(28.5)
Other	(1.6)	0.0
Net cash provided by financing activities	(35.6)	(42.3)
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash	(1.9)	1.7
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	2.6	2.0
Cash and Cash Equivalents at End of Period	0.7	3.7
Supplemental disclosure of cash paid for:
Interest, net of amounts capitalized	(32.6)	(33.2)
Income taxes	0.0	0.0
Spire Alabama
Operating Activities:
Net Income	74.6	72.6
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	43.9	41.5
Deferred income taxes and investment tax credits	25.2	24.4
Changes in assets and liabilities:
Accounts receivable	2.3	(6.2)
Inventories	15.3	2.9
Regulatory assets and liabilities	6.7	(4.4)
Accounts payable	(19.8)	0.8
Delayed/advance customer billings, net	(7.3)	(6.4)
Taxes accrued	(0.7)	(2.8)
Other assets and liabilities	(8.6)	9.1
Other	0.1	(2.4)
Net cash provided by operating activities	131.7	129.1
Investing Activities:
Capital expenditures	(111.5)	(116.4)
Other	1.4	(2.2)
Net cash used in investing activities	(110.1)	(118.6)
Financing Activities:
Issuance of long-term debt	100.0	90.0
Repayment of long-term debt	(40.0)	0.0
Return of capital to Spire	(20.0)	(20.0)
Repayments to Spire, net	(43.1)	(63.0)
Dividends paid on common stock	(18.0)	(17.0)
Other	(0.5)	(0.5)
Net cash provided by financing activities	(21.6)	(10.5)
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash	0.0	0.0
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	0.0	0.0
Cash and Cash Equivalents at End of Period	0.0	0.0
Supplemental disclosure of cash paid for:
Interest, net of amounts capitalized	(14.1)	(12.1)
Income taxes	$ 0.0	$ 0.0

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Summary of Significant Accounting Policies

9 Months Ended

Jun. 30, 2020

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

1. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

BASIS OF PRESENTATION – These notes are an integral part of the accompanying unaudited financial statements of Spire Inc. (“Spire” or the “Company”) presented on a consolidated basis, Spire Missouri Inc. (“Spire Missouri”) and Spire Alabama Inc. (“Spire Alabama”). Spire Missouri and Spire Alabama are wholly owned subsidiaries of Spire. Spire Missouri, Spire Alabama and the subsidiaries of Spire EnergySouth Inc. (“Spire EnergySouth”) are collectively referred to as the “Utilities.” The subsidiaries of Spire EnergySouth are Spire Gulf Inc. and Spire Mississippi Inc.

The accompanying unaudited financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (GAAP) for interim financial information with the instructions to Form 10-Q and Rule 10-01 of Regulation S‑X. Accordingly, they do not include all the disclosures required for complete financial statements. In the opinion of management, the accompanying unaudited financial statements include all adjustments necessary for the fair presentation of the results of operations for the periods presented. This Form 10-Q should be read in conjunction with the Notes to Financial Statements contained in Spire’s, Spire Missouri’s and Spire Alabama’s combined Annual Report on Form 10-K for the fiscal year ended September 30, 2019.

The consolidated financial position, results of operations, and cash flows of Spire include the accounts of the Company and all its subsidiaries. Transactions and balances between consolidated entities have been eliminated from the consolidated financial statements of Spire. In compliance with GAAP, transactions between Spire Missouri and Spire Alabama and their affiliates, as well as intercompany balances on their balance sheets, have not been eliminated from their separate financial statements.

NATURE OF OPERATIONS – Spire has two reportable segments: Gas Utility and Gas Marketing. The Gas Utility segment consists of the regulated natural gas distribution operations of the Company and is the core business segment of Spire in terms of revenue and earnings. The Gas Utility segment is comprised of the operations of: Spire Missouri, serving St. Louis, Kansas City, and other areas in Missouri; Spire Alabama, serving central and northern Alabama; and the subsidiaries of Spire EnergySouth, serving southern Alabama and south-central Mississippi. The Gas Marketing segment includes Spire’s primary gas-related business, Spire Marketing Inc. (“Spire Marketing”), which provides non-regulated natural gas services, primarily in the central and southern United States (U.S.). The activities of other subsidiaries are reported as Other and are described in Note 9, Information by Operating Segment. Spire Missouri and Spire Alabama each have a single reportable segment.

Nearly all the Company’s earnings are derived from its Gas Utility segment. Due to the seasonal nature of the Utilities’ business and the Spire Missouri rate design, earnings are typically concentrated during the heating season of November through April each fiscal year. As a result, the interim statements of income for Spire, Spire Missouri and Spire Alabama are not necessarily indicative of annual results or representative of succeeding quarters of the fiscal year.

IMPAIRMENT OF LONG-LIVED ASSETS – Long-lived assets classified as held and used are evaluated for impairment when events or changes in circumstances indicate that the carrying value of such assets may not be recoverable. Whether impairment has occurred is determined by comparing the estimated undiscounted cash flows attributable to the assets with the carrying value of the assets. If the carrying value exceeds the undiscounted cash flows, the Company recognizes an impairment charge equal to the amount of the carrying value that exceeds the estimated fair value of the assets. In the period in which the Company determines an asset meets held-for-sale criteria, an impairment charge is recorded to the extent the book value exceeds its fair value less cost to sell.

On July 1, 2020, Spire’s Board of Directors, based upon the recommendation of senior management, revised the development plan for Spire Storage West LLC (“Spire Storage”), resulting in an impairment charge of $140.8 related to Spire Storage assets (non-utility property on the balance sheet) in the quarter ended June 30, 2020. The revision was driven by the realization that a longer time horizon will be required for optimization and positioning of the storage facility to serve energy markets in the western United States. Among other factors, evaluations of the continuing evolution of market dynamics in the region led management to update models of various development alternatives. Separately in the quarter ended June 30, 2020, Spire recorded impairment charges totaling $7.8 related to two commercial compressed natural gas fueling stations (also non-utility property) as a result of revised projections reflecting lower diesel prices and slower conversions of Class 8 vehicles. The fair values used in measuring the impairment charges were determined with an expected present value technique using a discounted cash flow method under an income approach.

DERIVATIVES – In the course of their business, certain subsidiaries of Spire enter into commitments associated with the purchase or sale of natural gas. Certain of their derivative natural gas contracts are designated as normal purchases or normal sales and, as such, are excluded from the scope of Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC) Topic 815, Derivatives and Hedging. Those contracts are accounted for as executory contracts and recorded on an accrual basis. Revenues and expenses from such contracts are recorded gross. Contracts not designated as normal purchases or normal sales are recorded as derivatives with changes in fair value recognized in earnings in the periods prior to physical delivery. Certain of Spire Marketing’s wholesale purchase and sale transactions are classified as trading activities for financial reporting purposes. Under GAAP, revenues and expenses associated with trading activities are presented on a net basis in Gas Marketing operating revenues (or expenses, if negative) in the Condensed Consolidated Statements of Income. This net presentation has no effect on operating income or net income.

REGULATED OPERATIONS – The Utilities account for their regulated operations in accordance with FASB ASC Topic 980, Regulated Operations. This topic sets forth the application of GAAP for those companies whose rates are established by or are subject to approval by an independent third-party regulator. The provisions of this accounting guidance require, among other things, that financial statements of a regulated enterprise reflect the actions of regulators, where appropriate. These actions may result in the recognition of revenues and expenses in time periods that are different than non-regulated enterprises. When this occurs, costs are deferred as assets in the balance sheet (regulatory assets) and recorded as expenses when those amounts are reflected in rates. In addition, regulators can impose liabilities upon a regulated company for amounts previously collected from customers and for recovery of costs that are expected to be incurred in the future (regulatory liabilities). Management believes that the current regulatory environment supports the continued use of these regulatory accounting principles and that all regulatory assets and regulatory liabilities are recoverable or refundable through the regulatory process.

As authorized by the Missouri Public Service Commission (MoPSC), the Mississippi Public Service Commission (MSPSC) and the Alabama Public Service Commission (APSC), the Purchased Gas Adjustment (PGA) clauses and Gas Supply Adjustment (GSA) riders allow the Utilities to pass through to customers the cost of purchased gas supplies. Regulatory assets and liabilities related to the PGA clauses and the GSA riders are both labeled Unamortized Purchased Gas Adjustments herein. See additional information about regulatory assets and liabilities in Note 4, Regulatory Matters.

TRANSACTIONS WITH AFFILIATES – Transactions between affiliates of the Company have been eliminated from the consolidated financial statements of Spire. Spire Missouri and Spire Alabama borrowed funds from the Company and incurred related interest, as reflected in their separate financial statements, and they participated in normal intercompany shared services transactions. In addition, Spire Missouri’s other transactions with affiliates are presented in the table below:

	Three Months Ended June 30,				Nine Months Ended June 30,
	2020		2019		2020		2019
Purchases of natural gas from Spire Marketing Inc.	$	10.9	$	12.3	$	43.7	$	81.3
Transportation services received from Spire STL Pipeline LLC		8.0		—		19.8		—
Sales of natural gas to Spire Marketing Inc.		—		0.2		—		1.6
Transportation services received from Spire NGL Inc.		0.3		0.3		0.8		0.8

In the three and nine months ended June 30, 2020, Spire Alabama had purchases of natural gas from Spire Marketing totaling $0.8 and $5.1, respectively. In the three months ended June 30, 2020, Spire Alabama had $0.3 of natural gas sales to Spire Marketing.

ACCRUED CAPITAL EXPENDITURES – Accrued capital expenditures, shown in the following table, are excluded from capital expenditures in the statements of cash flows until paid.

	June 30,		September 30,		June 30,
	2020		2019		2019
Spire	$	54.4	$	80.6	$	60.2
Spire Missouri		28.9		40.1		26.3
Spire Alabama		14.4		11.9		9.0

NEW ACCOUNTING PRONOUNCEMENTS – Spire, Spire Missouri and Spire Alabama adopted Accounting Standards Update (ASU) No. 2016-02, Leases, along with related ASU Nos. 2018-01, 2018-10, 2018-11, 2018-20 and 2019-01 (collectively, “ASC 842”) using a modified retrospective transition method for leases existing at, or entered into after, October 1, 2019. Under the selected transition method, comparative periods in the financial statements are presented under ASC 840 (previous lease accounting guidance). ASC 842 requires lessees to recognize a right-of-use asset and lease liability for almost all lease contracts based on the present value of lease payments. It provides new guidelines for identifying and classifying a lease, and classification affects the pattern and income statement line item for the related expense. The Company and its subsidiaries elected a package of three practical expedients permitted by the standard, allowing them not to reassess existing contracts for (1) whether it is or contains a lease, (2) lease classification and (3) initial direct costs. They also elected to use the benefit of hindsight in determining both the lease term and impairments associated with any existing leases, which resulted in lease terms that best represent management’s expectations with respect to use of the underlying asset but did not result in recognition of any impairment. Finally, they elected not to assess whether existing land easements are leases under ASC 842. The adoption of ASC 842 impacted the balance sheets through recognition of right-of-use assets and lease liabilities for operating leases but did not result in a cumulative effect adjustment or significant impacts to income or cash flows. For other lease policy elections and disclosures about leases, see Note 11, Leases.

Spire, Spire Missouri and Spire Alabama adopted the guidance in ASU No. 2017-12, Derivatives and Hedging: Targeted Improvements to Accounting for Hedging Activities, and related ASU Nos. 2018-16, 2019-04, and 2019-10 in the first quarter of fiscal year 2020. The amendments in these ASUs more closely align the results of hedge accounting with risk management activities through changes to both the designation and measurement guidance for qualifying hedging relationships and the presentation of hedge results in the financial statements. They did not have a significant impact on the financial statements.

In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments – Credit Losses: Measurement of Credit Losses on Financial Instruments, which was later supplemented by ASU Nos. 2018-19, 2019-04, 2019-05 and 2019-11. The standard introduces new guidance for the accounting for credit losses on instruments within its scope, including trade receivables. It is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. The new guidance will be initially applied through a cumulative-effect adjustment to retained earnings as of the beginning of the period of adoption. Spire, Spire Missouri and Spire Alabama are currently assessing the impacts of adopting this standard, which must be adopted by the first quarter of fiscal 2021.

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Revenue

9 Months Ended

Jun. 30, 2020

Revenue From Contract With Customer [Abstract]

Revenue

2. REVENUE

The following tables show revenue disaggregated by source and customer type.

	Three Months Ended June 30,						Nine Months Ended June 30,
	2020			2019			2020			2019
Spire
Gas Utility:
Residential	$	208.1		$	188.1		$	1,048.4		$	1,133.0
Commercial & industrial		57.5			68.5			336.8			384.7
Transportation		26.1			25.6			89.6			86.4
Off-system & other incentive		9.3			7.7			28.0			34.1
Other customer revenue		5.0			8.8			10.6			32.4
Total revenue from contracts with customers		306.0			298.7			1,513.4			1,670.6
Changes in accrued revenue under alternative revenue programs		—			2.9			2.3			(17.0	)
Total Gas Utility operating revenues		306.0			301.6			1,515.7			1,653.6
Gas Marketing:
Revenue from contracts with retail customers		11.6			18.3			77.2			69.6
Revenue from wholesale derivative contracts		—			—			—			—
Total Gas Marketing operating revenues		11.6			18.3			77.2			69.6
Other		15.4			4.6			41.2			14.3
Total before eliminations		333.0			324.5			1,634.1			1,737.5
Intersegment eliminations (see Note 9, Information by Operating Segment)		(11.9	)		(3.2	)		(30.6	)		(10.7	)
Total Operating Revenues	$	321.1		$	321.3		$	1,603.5		$	1,726.8

Spire Missouri
Residential	$	153.2		$	133.4	$	760.2	$	846.4
Commercial & industrial		35.9			39.6		215.9		257.9
Transportation		7.4			7.1		26.1		26.0
Off-system & other incentive		7.6			7.7		26.3		34.1
Other customer revenue		3.2			3.2		4.6		10.0
Total revenue from contracts with customers		207.3			191.0		1,033.1		1,174.4
Changes in accrued revenue under alternative revenue programs		(3.4	)		0.4		2.3		(13.2	)
Total Operating Revenues	$	203.9		$	191.4	$	1,035.4	$	1,161.2

Spire Alabama
Residential	$	44.7	$	45.7	$	239.5		$	238.0
Commercial & industrial		17.1		21.6		94.6			97.1
Transportation		16.2		16.3		55.7			53.3
Off-system & other incentive		1.7		—		1.7			—
Other customer revenue		0.4		4.9		3.7			19.8
Total revenue from contracts with customers		80.1		88.5		395.2			408.2
Changes in accrued revenue under alternative revenue programs		1.1		2.3		(2.3	)		(3.5	)
Total Operating Revenues	$	81.2	$	90.8	$	392.9		$	404.7

Gross receipts taxes associated with the Company’s natural gas utility services are imposed on the Company, Spire Missouri, and Spire Alabama and billed to its customers. The expense amounts (shown in the table below) are reported gross in the “Taxes, other than income taxes” line in the statements of income, and corresponding revenues are reported in “Operating Revenues.”

	Three Months Ended June 30,				Nine Months Ended June 30,
	2020		2019		2020		2019
Spire	$	17.2	$	18.2	$	79.7	$	87.6
Spire Missouri		12.1		12.5		55.5		63.1
Spire Alabama		4.2		4.8		20.3		20.7

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Earnings Per Common Share

9 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Earnings Per Common Share

3. EARNINGS PER COMMON SHARE

	Three Months Ended June 30,						Nine Months Ended June 30,
	2020			2019			2020		2019
Basic Earnings Per Common Share:
Net (Loss) Income	$	(92.3	)	$	(3.0	)	$	108.3	$	218.9
Less: Provision for preferred dividends		3.7			1.6			11.1		1.6
(Loss) income allocated to participating securities		(0.1	)		—			0.2		0.5
(Loss) income Available to Common Shareholders	$	(95.9	)	$	(4.6	)	$	97.0	$	216.8
Weighted Average Common Shares Outstanding (in millions)		51.2			50.7			51.1		50.6
Basic (Loss) Earnings Per Common Share	$	(1.87	)	$	(0.09	)	$	1.90	$	4.28
Diluted Earnings Per Common Share:
Net (Loss) Income	$	(92.3	)	$	(3.0	)	$	108.3	$	218.9
Less: Provision for preferred dividends		3.7			1.6			11.1		1.6
(Loss) income allocated to participating securities		(0.1	)		—			0.2		0.5
(Loss) Income Available to Common Shareholders	$	(95.9	)	$	(4.6	)	$	97.0	$	216.8
Weighted Average Common Shares Outstanding (in millions)		51.2			50.7			51.1		50.6
Dilutive Effect of Restricted Stock and Restricted Stock Units (in millions)*		—			—			0.1		0.2
Weighted Average Diluted Common Shares (in millions)		51.2			50.7			51.2		50.8
Diluted (Loss) Earnings Per Common Share	$	(1.87	)	$	(0.09	)	$	1.90	$	4.27
* Calculation excludes certain outstanding common shares (shown in millions by    period at the right) attributable to stock units subject to performance or market    conditions and restricted stock, which could have a dilutive effect in the future		0.1			0.3			0.1		0.3

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Regulatory Matters

9 Months Ended

Jun. 30, 2020

Regulated Operations [Abstract]

Regulatory Matters

4. REGULATORY MATTERS

As explained in Note 1, Summary of Significant Accounting Policies, the Utilities account for regulated operations in accordance with FASB ASC Topic 980, Regulated Operations. The following regulatory assets and regulatory liabilities were reflected in the balance sheets of the Company, Spire Missouri and Spire Alabama as of June 30, 2020, September 30, 2019, and June 30, 2019.

	June 30,		September 30,		June 30,
Spire	2020		2019		2019
Regulatory Assets:
Current:
Pension and postretirement benefit costs	$	30.1	$	30.1	$	30.1
Unamortized purchased gas adjustments		9.6		18.2		18.9
Other		30.5		30.3		30.0
Total Current Regulatory Assets		70.2		78.6		79.0
Noncurrent:
Pension and postretirement benefit costs		415.3		416.6		335.7
Cost of removal		160.4		150.9		137.4
Future income taxes due from customers		120.7		108.8		105.7
Energy efficiency		38.2		35.0		32.6
Unamortized purchased gas adjustments		—		9.1		—
Other		57.2		47.2		45.7
Total Noncurrent Regulatory Assets		791.8		767.6		657.1
Total Regulatory Assets	$	862.0	$	846.2	$	736.1
Regulatory Liabilities:
Current:
Pension and postretirement benefit costs	$	5.8	$	5.8	$	5.8
Unamortized purchased gas adjustments		21.1		26.2		3.3
Other		31.9		28.8		22.2
Total Current Regulatory Liabilities		58.8		60.8		31.3
Noncurrent:
Deferred taxes due to customers		156.4		179.8		152.9
Pension and postretirement benefit costs		157.6		142.3		119.8
Accrued cost of removal		26.4		41.6		45.8
Unamortized purchased gas adjustments		79.9		—		47.9
Other		29.3		35.3		29.9
Total Noncurrent Regulatory Liabilities		449.6		399.0		396.3
Total Regulatory Liabilities	$	508.4	$	459.8	$	427.6

	June 30,		September 30,		June 30,
Spire Missouri	2020		2019		2019
Regulatory Assets:
Current:
Pension and postretirement benefit costs	$	21.9	$	21.9	$	21.9
Unamortized purchased gas adjustments		0.1		—		0.8
Other		7.5		7.5		7.5
Total Current Regulatory Assets		29.5		29.4		30.2
Noncurrent:
Future income taxes due from customers		111.8		102.9		101.3
Pension and postretirement benefit costs		340.6		333.3		269.8
Energy efficiency		38.2		35.0		32.6
Unamortized purchased gas adjustments		—		9.1		—
Cost of removal		1.3		—		—
Other		40.0		27.2		25.5
Total Noncurrent Regulatory Assets		531.9		507.5		429.2
Total Regulatory Assets	$	561.4	$	536.9	$	459.4
Regulatory Liabilities:
Current:
Pension and postretirement benefit costs	$	3.6	$	3.6	$	3.6
Unamortized purchased gas adjustments		20.0		25.4		2.5
Other		27.2		23.3		17.3
Total Current Regulatory Liabilities		50.8		52.3		23.4
Noncurrent:
Deferred taxes due to customers		139.0		162.5		135.5
Pension and postretirement benefit costs		136.4		119.1		84.6
Accrued cost of removal		—		15.7		18.4
Unamortized purchased gas adjustments		79.9		—		47.9
Other		23.6		29.2		24.1
Total Noncurrent Regulatory Liabilities		378.9		326.5		310.5
Total Regulatory Liabilities	$	429.7	$	378.8	$	333.9

	June 30,		September 30,		June 30,
Spire Alabama	2020		2019		2019
Regulatory Assets:
Current:
Pension and postretirement benefit costs	$	7.2	$	7.3	$	7.3
Unamortized purchased gas adjustments		9.5		17.7		17.6
Other		6.7		8.9		9.0
Total Current Regulatory Assets		23.4		33.9		33.9
Noncurrent:
Pension and postretirement benefit costs		69.9		77.2		59.3
Cost of removal		159.1		150.9		137.4
Future income taxes due from customers		2.2		—		—
Other		0.9		3.1		3.2
Total Noncurrent Regulatory Assets		232.1		231.2		199.9
Total Regulatory Assets	$	255.5	$	265.1	$	233.8
Regulatory Liabilities:
Current:
Pension and postretirement benefit costs	$	2.2	$	2.2	$	2.3
Other		0.3		1.2		1.1
Total Current Regulatory Liabilities		2.5		3.4		3.4
Noncurrent:
Pension and postretirement benefit costs		17.2		19.1		25.8
Other		3.7		3.9		4.0
Total Noncurrent Regulatory Liabilities		20.9		23.0		29.8
Total Regulatory Liabilities	$	23.4	$	26.4	$	33.2

A portion of the Company’s and Spire Missouri’s regulatory assets are not earning a return, as shown in the table below:

	June 30,		September 30,		June 30,
	2020		2019		2019
Spire
Pension and postretirement benefit costs	$	234.7	$	211.1	$	142.1
Future income taxes due from customers		118.4		108.8		105.7
Other		13.2		14.3		14.5
Total Regulatory Assets Not Earning a Return	$	366.3	$	334.2	$	262.3
Spire Missouri
Pension and postretirement benefit costs	$	234.7	$	211.1	$	142.1
Future income taxes due from customers		111.8		102.9		101.3
Other		13.2		14.3		14.5
Total Regulatory Assets Not Earning a Return	$	359.7	$	328.3	$	257.9

Like all the Company’s regulatory assets, these regulatory assets are expected to be recovered from customers in future rates. The recovery period for the future income taxes due from customers and pension and other postretirement benefit costs could be 20 years or longer, based on current Internal Revenue Service guidelines and average remaining service life of active participants, respectively. The other items not earning a return are expected to be recovered over a period not to exceed 15 years, consistent with precedent set by the MoPSC. Spire Alabama does not have any regulatory assets that are not earning a return.

Spire Missouri

On March 7, 2018, the MoPSC issued its order in two general rate cases (docketed as GR-2017-0215 and GR-2017-0216), approving new tariffs that became effective on April 19, 2018. On April 25, 2018, Spire Missouri filed an appeal of the MoPSC’s order related to the disallowance of certain pension costs incurred prior to 1997 ($28.8), real estate sold in 2014 ($1.8), and rate case expenses ($0.9) to Missouri’s Southern District Court of Appeals. On March 15, 2019, the appeal was denied by the Southern District Court of Appeals, and Spire Missouri requested review by the Missouri Supreme Court, which agreed to take the case. Oral arguments were made before the Missouri Supreme Court on January 29, 2020. The case is awaiting a decision.

Spire Missouri filed Infrastructure System Replacement Surcharge (ISRS) applications which were approved by the MoPSC and the costs associated therewith were included in new tariffs that went into effect from our last general rate cases on April 19, 2018. Since the Company’s last rate cases, ISRS filings became effective on October 8, 2018, May 25, 2019, November 16, 2019, and May 25, 2020, bringing total authorized future annualized ISRS revenues for Spire Missouri to $40.3. Additional ISRS requests totaling $8.7 were filed August 4, 2020.

On November 19, 2019, the Missouri Western District Court of Appeals issued rulings (“ISRS rulings”) that determined certain capital investments in 2016 through 2018 were not eligible for recovery under the ISRS. The ISRS rulings upheld appeals by the Office of Public Counsel (OPC) that contested recovery of portions of Spire Missouri’s ISRS and overturned the three prior MoPSC decisions. In the third quarter of fiscal 2020, Spire Missouri reached a settlement with the MoPSC staff and the OPC to resolve these cases, which was subsequently approved by the MoPSC. Pursuant to the settlement, Spire Missouri will make a customer refund in the total amount of $15.0 as a one-time bill credit to be issued in August 2020. This refund will be applied to the $12.2 provision accrued in fiscal year 2019, while the remaining balance of $2.8 impacts fiscal 2020 revenue and earnings. The provision accrued in the first six months of fiscal 2020 was $4.8, so $2.0 was reversed in the quarter ended June 30, 2020. Pursuant to the settlement, ISRS rates remain unchanged.

Additional ISRS revenues are currently under appeal related to the January 2019 ISRS filings with annual authorized revenue of $12.4, as approved by the MoPSC effective May 25, 2019, and the July 2019 ISRS filings with annual authorized revenue totaling $8.8, which was approved by the MoPSC effective November 16, 2019. Those cases are in various stages of briefing, and no decisions have yet been rendered by the Missouri Western District Court of Appeals. In future periods, Spire Missouri will evaluate the need for any additional provisions based upon new information and further developments.

In January 2020, legislation was introduced in both the Missouri House and Senate to clarify language in the statute governing the ISRS mechanism. Specifically, the bills sought to ensure that Spire Missouri could continue to upgrade its infrastructure and enhance its safety and reliability, while securing timely recovery of costs incurred. House Bill 2120 was passed by the General Assembly on May 15, 2020 and signed into law by Missouri Governor Parson on July 2, 2020, clarifying which infrastructure investments qualify for ISRS recovery under the statute. The provisions of the bill become effective August 28, 2020. The Company expects those amendments to apply to new ISRS applications made on or after that date.

Spire Missouri requested an Accounting Authority Order (AAO) on May 18, 2020 to identify, track, document, accumulate, and defer in a regulatory asset from March 1, 2020 forward, the following: (1) its actual reasonable and prudently incurred costs related to the COVID-19 pandemic, including but not limited to (a) new or incremental operating and maintenance expense related to protecting employees and customers, and to plan for and communicate about impacts of the pandemic, (b) increased bad debt expense to the extent it exceeds levels included in the cost of service, (c) costs related to preparing for and any actual sequestration of employees, and (d) costs related to new assistance programs implemented to aid customers with payment of natural gas bills during the pandemic; (2) lost revenues related to the COVID-19 pandemic; (3) less costs avoided related to COVID-19; and (4) carrying costs. These items would be tracked and deferred for consideration by the Commission for rate recovery in the Company’s next general rate case. Carrying costs would be calculated using Spire Missouri’s cost of capital,

exclusive of related taxes, as determined in its most recent rate case. Hearings are scheduled for later this calendar year. In the meantime, no related regulatory assets have been recorded.

Spire Alabama

As part of their annual updates for Rate Stabilization and Equalization (RSE), on November 25, 2019, Spire Alabama and Spire Gulf filed an increase for rate year 2020 of $5.9 and $1.6, respectively, which became effective December 1, 2019. In addition, Spire Alabama was granted authority to begin an off-system sales and capacity release sharing program similar to the program currently in place at Spire Missouri.

Spire Alabama filed a Gas Supply Adjustment (GSA) rate decrease effective February 1, 2020, of approximately $13.9 (on an annual basis) primarily attributable to lower natural gas prices and results of the recently approved off-system sale and capacity release share program.

On March 24, 2020, the APSC approved an application for up to $150.0 of long-term debt financing for Spire Alabama.

Spire Alabama is tracking costs and other impacts of COVID-19 in the event that some of these items could be recoverable under its Enhanced Stability Reserve (ESR), but no related changes to regulatory assets or liabilities have been recorded to date.

Other

On November 21, 2019, the Federal Energy Regulatory Commission (FERC) issued an Order on Rehearing of its August 3, 2018 order issuing a certificate of public convenience and necessity to Spire STL Pipeline LLC. In the Order on Rehearing, the FERC dismissed or denied the outstanding requests for rehearing filed by several parties, dismissed the request for stay filed by one party and noted the withdrawal of the request for rehearing by another party. On January 21, 2020, two of the rehearing parties timely filed petitions for review of the FERC’s orders with the Court of Appeals for the District of Columbia Circuit. Spire STL Pipeline and Spire Missouri have intervened in this matter.

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Financing Arrangements and Long-term Debt

9 Months Ended

Jun. 30, 2020

Debt Disclosure [Abstract]

Financing Arrangements and Long-term Debt

5. FINANCING ARRANGEMENTS AND LONG-TERM DEBT

Spire, Spire Missouri and Spire Alabama have a syndicated revolving credit facility pursuant to a loan agreement with 11 banks, expiring October 31, 2023. The loan agreement has an aggregate credit commitment of $975.0, including sublimits of $300.0 for Spire, $475.0 for Spire Missouri, and $200.0 for Spire Alabama. These sublimits may be reallocated from time to time among the three borrowers within the $975.0 aggregate commitment, with commitments fees applied for each borrower relative to its credit rating. Spire may use its line to provide for the funding needs of various subsidiaries. The agreement also contains financial covenants limiting each borrower’s consolidated total debt, including short-term debt, to no more than 70% of its total capitalization. As defined in the line of credit, on June 30, 2020, total debt was less than 60% of total capitalization for each borrower.

Spire has a commercial paper program (“CP Program”) pursuant to which Spire may issue short-term, unsecured commercial paper notes. Amounts available under the CP Program may be borrowed, repaid and re-borrowed from time to time, with the aggregate face or principal amount of the notes outstanding under the CP Program at any time not to exceed $975.0. The notes may have maturities of up to 365 days from date of issue.

On March 26, 2020, Spire entered into a new loan agreement with two banks providing for a term loan of $150.0, which was immediately fully funded and matures on March 25, 2021, subject to optional prepayment by Spire. The term loan bears interest at the LIBOR Rate (as defined in the loan agreement) plus 0.85% per annum. Proceeds were used for working capital and general corporate purposes.

Information about Spire’s consolidated short-term borrowings and about Spire Missouri’s and Spire Alabama’s borrowings from Spire is presented in the following table. As of June 30, 2020, $324.5 of Spire’s short-term borrowings were used to support lending to the Utilities.

	Spire (Parent Only)									Spire Missouri						Spire Alabama						Spire
	Credit			Term			CP			Credit			Spire			Credit			Spire			Consol-
	Facility			Loan			Program			Facility			Note			Facility			Note			idated
Nine Months Ended June 30, 2020
Weighted average borrowings	$	0.1		$	53.1		$	498.5		$	23.9		$	240.4		$	6.1		$	86.0		$	581.7
Lowest borrowings outstanding		—			—			73.5			—			16.0			—			18.5			432.6
Highest borrowings outstanding		23.1			150.0			856.6			185.1			429.5			50.0			161.3			856.6
Weighted average interest rate		1.9	%		2.1	%		2.0	%		1.9	%		1.9	%		0.6	%		1.8	%		2.0	%
As of June 30, 2020
Borrowings outstanding	$	—		$	150.0		$	327.6		$	—		$	218.3		$	—		$	85.6		$	477.6
Weighted average interest rate	n/a				1.2	%		0.5	%	n/a				0.5	%	n/a				0.5	%		0.9	%
As of September 30, 2019
Borrowings outstanding	$	—		$	—		$	743.2		$	—		$	386.4		$	—		$	128.7		$	743.2
Weighted average interest rate	n/a			n/a				2.3	%	n/a				2.3	%	n/a				2.3	%		2.3	%
As of June 30, 2019
Borrowings outstanding	$	—		$	—		$	434.0		$	—		$	281.5		$	—		$	79.6		$	434.0
Weighted average interest rate	n/a			n/a				2.7	%	n/a				2.7	%	n/a				2.7	%		2.7	%

The long-term debt agreements of Spire, Spire Missouri and Spire Alabama contain customary covenants and default provisions. As of June 30, 2020, there were no events of default under these covenants.

Interest expense shown on Spire’s consolidated statements of income and Spire Missouri’s statements of comprehensive income is net of the capitalized interest amounts shown in the following table.

	Three Months Ended June 30,				Nine Months Ended June 30,
	2020		2019		2020		2019
Spire	$	1.2	$	2.0	$	4.8	$	4.6
Spire Missouri		0.2		0.5		0.8		1.4
Spire Alabama		0.4		—		1.4		—

On November 12, 2019, Spire Missouri issued and sold to certain institutional purchasers in a private placement $275.0 of 2.84% first mortgage bonds due November 15, 2029. Interest is payable semi-annually. The bonds are secured by a mortgage and deed of trust and rank equal in right to payment with all Spire Missouri’s other first mortgage bonds. Spire Missouri used the proceeds to repay its $100.0 floating-rate note and for other general corporate purposes.

On December 2, 2019, Spire Alabama issued and sold to certain institutional investors in a private placement $100.0 of 2.88% Series 2019B Senior Notes due December 1, 2029. Interest is payable semi-annually. The notes are senior unsecured obligations of Spire Alabama and rank equal in right to payment with all its other senior unsecured indebtedness. Spire Alabama used the proceeds to repay short-term debt and for general corporate purposes.

On December 23, 2019, Spire STL Pipeline issued and sold notes to certain institutional investors in a $135.0 private placement. Interest is payable semi-annually at 2.95%, and principal repayment is scheduled annually in accordance with a 15-year amortization schedule with an average life of 9.2 years. Proceeds were used to repay short-term debt.

On June 16, 2020, Spire Missouri purchased and cancelled a portion of its outstanding first mortgage bonds, including $5.7 of its 7% bonds due 2029, $0.8 of its 6% bonds due 2034, $0.5 of its 6.15% bonds due 2036, and $0.1 of its 4.625% bonds due 2043.

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Fair Value of Financial Instruments

9 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Fair Value of Financial Instruments

6. FAIR VALUE OF FINANCIAL INSTRUMENTS

The carrying amounts of cash and cash equivalents and short-term debt approximate fair value due to the short maturity of these instruments. The fair values of long-term debt are estimated based on market prices for similar issues. Refer to Note 7, Fair Value Measurements, for information on financial instruments measured at fair value on a recurring basis.

The carrying amounts and estimated fair values of financial instruments not measured at fair value on a recurring basis are shown in the following tables, classified according to the fair value hierarchy. There were no such instruments classified as Level 3 (significant unobservable inputs) as of June 30, 2020, September 30, 2019, and June 30, 2019.

					Classification of Estimated Fair Value
	Carrying Amount		Fair Value		Quoted Prices in Active Markets (Level 1)		Significant Observable Inputs (Level 2)
Spire
As of June 30, 2020
Cash and cash equivalents	$	7.4	$	7.4	$	7.4	$	—
Notes payable		477.6		477.6		—		477.6
Long-term debt, including current portion		2,483.7		2,875.5		—		2,875.5
As of September 30, 2019
Cash and cash equivalents	$	5.8	$	5.8	$	5.8	$	—
Notes payable		743.2		743.2		—		743.2
Long-term debt, including current portion		2,122.6		2,373.4		—		2,373.4
As of June 30, 2019
Cash and cash equivalents	$	5.8	$	5.8	$	5.8	$	—
Notes payable		434.0		434.0		—		434.0
Long-term debt, including current portion		2,207.3		2,363.1		—		2,363.1
Spire Missouri
As of June 30, 2020
Cash and cash equivalents	$	0.7	$	0.7	$	0.7	$	—
Notes payable – associated companies		218.3		218.3		—		218.3
Long-term debt		1,091.9		1,303.2		—		1,303.2
As of September 30, 2019
Cash and cash equivalents	$	2.6	$	2.6	$	2.6	$	—
Notes payable – associated companies		386.4		386.4		—		386.4
Long-term debt		925.0		1,065.2		—		1,065.2
As of June 30, 2019
Cash and cash equivalents	$	3.7	$	3.7	$	3.7	$	—
Notes payable – associated companies		281.5		281.5		—		281.5
Long-term debt, including current portion		924.8		1,027.6		—		1,027.6
Spire Alabama
As of June 30, 2020
Notes payable – associated companies		85.6		85.6		—		85.6
Long-term debt		471.8		572.3		—		572.3
As of September 30, 2019
Notes payable – associated companies	$	128.7	$	128.7	$	—	$	128.7
Long-term debt, including current portion		412.2		474.8		—		474.8
As of June 30, 2019
Notes payable – associated companies	$	79.6	$	79.6	$	—	$	79.6
Long-term debt, including current portion		412.1		450.2		—		450.2

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Fair Value Measurements

9 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Fair Value Measurements

7. FAIR VALUE MEASUREMENTS

The information presented below categorizes the assets and liabilities in the balance sheets that are accounted for at fair value on a recurring basis in periods subsequent to initial recognition.

The mutual funds included in Level 1 are valued based on exchange-quoted market prices of individual securities.

Derivative instruments included in Level 1 are valued using quoted market prices on the New York Mercantile Exchange (NYMEX) or the Intercontinental Exchange (ICE). Derivative instruments classified in Level 2 include physical commodity derivatives that are valued using broker or dealer quotation services whose prices are derived principally from, or are corroborated by, observable market inputs. Also included in Level 2 are certain derivative instruments that have values that are similar to, and correlate with, quoted prices for exchange-traded instruments in active markets. Derivative instruments included in Level 3 are valued using generally unobservable inputs that are based upon the best information available and reflect management’s assumptions about how market participants would price the asset or liability. The Level 3 balances as of June 30, 2020, September 30, 2019, and June 30, 2019, consisted of gas commodity contracts. The Company’s and the Utilities’ policy is to recognize transfers between the levels of the fair value hierarchy, if any, as of the beginning of the interim reporting period in which circumstances change or events occur to cause the transfer.

The mutual funds are included in “Other Investments” on the Company’s balance sheets and in “Other Property and Investments” on Spire Missouri’s balance sheets. Derivative assets and liabilities, including receivables and payables associated with cash margin requirements, are presented net in the balance sheets when a legally enforceable netting agreement exists between the Company, Spire Missouri, or Spire Alabama and the counterparty to a derivative contract.

Spire

	Quoted Prices in Active Markets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Effects of Netting and Cash Margin Receivables /Payables			Total
As of June 30, 2020
ASSETS
Gas Utility:
U.S. stock/bond mutual funds	$	20.8	$	—	$	—	$	—		$	20.8
NYMEX/ICE natural gas contracts		1.8		—		—		(1.8	)		—
Gasoline and heating oil contracts		0.3		—		—		(0.3	)		—
Gas Marketing:
NYMEX/ICE natural gas contracts		—		20.1		—		(16.4	)		3.7
Natural gas commodity contracts		—		17.5		1.0		(6.4	)		12.1
Other:
U.S. stock/bond mutual funds		19.2		—		—		—			19.2
Total	$	42.1	$	37.6	$	1.0	$	(24.9	)	$	55.8
LIABILITIES
Gas Utility:
NYMEX/ICE natural gas contracts	$	7.2	$	—	$	—	$	(7.2	)	$	—
Gas Marketing:
NYMEX/ICE natural gas contracts		0.3		16.1		—		(16.4	)		—
Natural gas commodity contracts		—		16.7		—		(6.4	)		10.3
Other:
Interest rate swaps		—		66.1		—		—			66.1
Total	$	7.5	$	98.9	$	—	$	(30.0	)	$	76.4

	Quoted Prices in Active Markets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Effects of Netting and Cash Margin Receivables /Payables			Total
As of September 30, 2019
ASSETS
Gas Utility:
U.S. stock/bond mutual funds	$	20.5	$	—	$	—	$	—		$	20.5
Gas Marketing:
NYMEX/ICE natural gas contracts		0.9		6.5		—		(6.9	)		0.5
Natural gas commodity contracts		—		16.8		—		(2.5	)		14.3
Other:
U.S. stock/bond mutual funds		15.5		—		—		—			15.5
Total	$	36.9	$	23.3	$	—	$	(9.4	)	$	50.8
LIABILITIES
Gas Utility:
NYMEX/ICE natural gas contracts	$	12.3	$	—	$	—	$	(12.3	)	$	—
Gas Marketing:
NYMEX/ICE natural gas contracts		0.4		8.5		—		(8.9	)		—
Natural gas commodity contracts		—		13.8		0.1		(2.5	)		11.4
Other:
Interest rate swaps		—		43.4		—		—			43.4
Total	$	12.7	$	65.7	$	0.1	$	(23.7	)	$	54.8
As of June 30, 2019
ASSETS
Gas Utility:
U.S. stock/bond mutual funds	$	20.4	$	—	$	—	$	—		$	20.4
Gas Marketing:
NYMEX/ICE natural gas contracts		0.8		5.0		—		(5.5	)		0.3
Natural gas commodity contracts		—		22.0		—		(2.4	)		19.6
Other:
U.S. stock/bond mutual funds		16.6		—		—		—			16.6
Total	$	37.8	$	27.0	$	—	$	(7.9	)	$	56.9
LIABILITIES
Gas Utility:
NYMEX/ICE natural gas contracts	$	11.1	$	—	$	—	$	(11.1	)	$	—
Gas Marketing:
NYMEX/ICE natural gas contracts		0.7		5.4		—		(6.1	)		—
Natural gas commodity contracts		—		15.2		0.2		(2.4	)		13.0
Other:
Interest rate swaps		—		27.4		—		—			27.4
Total	$	11.8	$	48.0	$	0.2	$	(19.6	)	$	40.4

Spire Missouri

	Quoted Prices in Active Markets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Effects of Netting and Cash Margin Receivables /Payables			Total
As of June 30, 2020
ASSETS
U.S. stock/bond mutual funds	$	20.8	$	—	$	—	$	—		$	20.8
NYMEX/ICE natural gas contracts		1.8		—		—		(1.8	)		—
Gasoline and heating oil contracts		0.3		—		—		(0.3	)		—
Total	$	22.9	$	—	$	—	$	(2.1	)	$	20.8
LIABILITIES
NYMEX/ICE natural gas contracts	$	7.2	$	—	$	—	$	(7.2	)	$	—
As of September 30, 2019
ASSETS
U.S. stock/bond mutual funds	$	20.5	$	—	$	—	$	—		$	20.5
LIABILITIES
NYMEX/ICE natural gas contracts	$	12.3	$	—	$	—	$	(12.3	)	$	—
As of June 30, 2019
ASSETS
U.S. stock/bond mutual funds	$	20.4	$	—	$	—	$	—		$	20.4
LIABILITIES
NYMEX/ICE natural gas contracts	$	11.1	$	—	$	—	$	(11.1	)	$	—

Spire Alabama

Spire Alabama occasionally utilizes a gasoline derivative program to stabilize the cost of fuel used in operations but had no outstanding derivative contracts as of June 30, 2020, September 30, 2019 and June 30, 2019. 

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Pension Plans and Other Postretirement Benefits

9 Months Ended

Jun. 30, 2020

Compensation And Retirement Disclosure [Abstract]

Pension Plans and Other Postretirement Benefits

8. PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS

Pension Plans

Spire and the Utilities maintain pension plans for their employees.

Spire Missouri has non-contributory, defined benefit, trusteed forms of pension plans covering the majority of its employees. Plan assets consist primarily of corporate and U.S. government obligations and a growth segment consisting of exposure to equity markets, commodities, real estate and inflation-indexed securities, achieved through derivative instruments.

Spire Alabama has non-contributory, defined benefit, trusteed forms of pension plans covering the majority of its employees. Qualified plan assets are comprised of mutual and commingled funds consisting of U.S. equities with varying strategies, global equities, alternative investments, and fixed income investments.

The net periodic pension cost included the following components:

	Three Months Ended June 30,						Nine Months Ended June 30,
	2020			2019			2020			2019
Spire
Service cost – benefits earned during the period	$	5.7		$	4.8		$	16.8		$	14.5
Interest cost on projected benefit obligation*		5.5			7.1			17.2			21.2
Expected return on plan assets*		(8.5	)		(9.2	)		(26.7	)		(27.2	)
Amortization of prior service credit*		(0.6	)		(0.3	)		(1.8	)		(0.9	)
Amortization of actuarial loss*		3.3			2.3			10.9			6.9
Loss on lump-sum settlements*		2.3			—			23.3			—
Subtotal		7.7			4.7			39.7			14.5
Regulatory adjustment		7.4			10.1			5.7			29.8
Net pension cost	$	15.1		$	14.8		$	45.4		$	44.3
Spire Missouri
Service cost – benefits earned during the period	$	4.0		$	3.2		$	11.7		$	9.4
Interest cost on projected benefit obligation*		3.8			5.0			12.0			14.9
Expected return on plan assets*		(5.9	)		(6.5	)		(18.8	)		(19.2	)
Amortization of prior service cost*		—			0.2			0.1			0.6
Amortization of actuarial loss*		2.6			2.2			8.6			6.5
Loss on lump-sum settlements*		2.3			—			23.3			—
Subtotal		6.8			4.1			36.9			12.2
Regulatory adjustment		5.4			8.0			(0.1	)		23.9
Net pension cost	$	12.2		$	12.1		$	36.8		$	36.1
Spire Alabama
Service cost – benefits earned during the period	$	1.6		$	1.5		$	4.6		$	4.6
Interest cost on projected benefit obligation*		1.2			1.5			3.7			4.5
Expected return on plan assets*		(1.7	)		(1.8	)		(5.2	)		(5.4	)
Amortization of prior service credit*		(0.6	)		(0.5	)		(1.8	)		(1.4	)
Amortization of actuarial loss*		0.7			0.2			2.3			0.6
Subtotal		1.2			0.9			3.6			2.9
Regulatory adjustment		1.7			1.8			5.1			5.2
Net pension cost	$	2.9		$	2.7		$	8.7		$	8.1

* Denotes pension expense line items that are recorded below the operating income line in the income statements, in the line item “Other Income (Expense), Net.”

Pursuant to the provisions of Spire Missouri’s and Spire Alabama’s pension plans, pension obligations may be satisfied by monthly annuities, lump-sum cash payments, or special termination benefits. Lump-sum payments are recognized as settlements (which can result in gains or losses) only if the total of such payments exceeds the sum of service and interest costs in a specific year. Special termination benefits, when offered, are also recognized as settlements which can result in gains or losses. In the quarter ended March 31, 2020, two Spire Missouri plans met the criteria for settlement recognition. The lump-sum payments recognized as settlements for the remeasurement were $59.1. The lump-sum settlement resulted in a loss of $21.0. In the quarter ended June 30, 2020, two Spire Missouri plans met the criteria for settlement recognition. The lump-sum payments recognized as settlements for the remeasurement were $6.0. The lump-sum settlement resulted in a loss of $2.3. For the remeasurements, the discount rates for the Missouri plans were updated to 3.0% from 3.2% at September 30, 2019. For the three and nine months ended June 30, 2019, no pension plans met the criteria for settlement recognition.

The funding policy of the Utilities is to contribute an amount not less than the minimum required by government funding standards, nor more than the maximum deductible amount for federal income tax purposes. Fiscal 2020 contributions to Spire Missouri’s pension plans through June 30, 2020 were $20.9 to the qualified trusts and none to non-qualified plans. There were $9.1 of fiscal 2020 contributions to the Spire Alabama pension plans through June 30, 2020.

Contributions to the qualified trusts of Spire Missouri’s pension plans for the remainder of fiscal 2020 are anticipated to be $7.8. Contributions to Spire Alabama’s pension plans for the remainder of fiscal 2020 are anticipated to be $3.6.

Other Postretirement Benefits

Spire and the Utilities provide certain life insurance benefits at retirement. Spire Missouri plans provide for medical insurance after early retirement until age 65. For retirements prior to January 1, 2015, certain Spire Missouri plans provided medical insurance after retirement until death. The Spire Alabama plans provide medical insurance upon retirement until death for certain retirees depending on the type of employee and the date the employee was originally hired.

Net periodic postretirement benefit costs consisted of the following components:

	Three Months Ended June 30,						Nine Months Ended June 30,
	2020			2019			2020			2019
Spire
Service cost – benefits earned during the period	$	1.5		$	1.8		$	4.4		$	5.5
Interest cost on accumulated postretirement benefit obligation*		1.5			2.3			4.6			6.7
Expected return on plan assets*		(4.1	)		(4.1	)		(12.3	)		(12.1	)
Amortization of prior service credit*		(0.1	)		—			(0.4	)		(0.1	)
Amortization of actuarial gain*		(0.6	)		(0.1	)		(1.6	)		(0.4	)
Subtotal		(1.8	)		(0.1	)		(5.3	)		(0.4	)
Regulatory adjustment		4.0			2.5			12.0			7.5
Net postretirement benefit cost	$	2.2		$	2.4		$	6.7		$	7.1
Spire Missouri
Service cost – benefits earned during the period	$	1.4		$	1.7		$	4.0		$	5.1
Interest cost on accumulated postretirement benefit obligation*		1.2			1.8			3.5			5.2
Expected return on plan assets*		(2.8	)		(2.8	)		(8.5	)		(8.3	)
Amortization of prior service (credit) cost*		(0.1	)		0.1			(0.2	)		0.2
Amortization of actuarial gain*		(0.6	)		(0.1	)		(1.6	)		(0.4	)
Subtotal		(0.9	)		0.7			(2.8	)		1.8
Regulatory adjustment		4.4			2.9			13.3			8.8
Net postretirement benefit cost	$	3.5		$	3.6		$	10.5		$	10.6
Spire Alabama
Service cost – benefits earned during the period	$	0.1		$	0.1		$	0.3		$	0.3
Interest cost on accumulated postretirement benefit obligation*		0.3			0.4			1.0			1.3
Expected return on plan assets*		(1.2	)		(1.2	)		(3.6	)		(3.6	)
Amortization of prior service credit*		—			(0.1	)		(0.2	)		(0.3	)
Subtotal		(0.8	)		(0.8	)		(2.5	)		(2.3	)
Regulatory adjustment		(0.4	)		(0.4	)		(1.3	)		(1.3	)
Net postretirement benefit income	$	(1.2	)	$	(1.2	)	$	(3.8	)	$	(3.6	)

* Denotes other postretirement expense line items that are recorded below the operating income line in the income statements, in the line item “Other Income (Expense), Net.”

Missouri and Alabama state laws provide for the recovery in rates of costs accrued pursuant to GAAP provided that such costs are funded through an independent, external funding mechanism. The Utilities have established Voluntary Employees’ Beneficiary Association (VEBA) and Rabbi Trusts as external funding mechanisms. The assets of the VEBA and Rabbi Trusts consist primarily of money market securities and mutual funds invested in stocks and bonds.

The Utilities’ funding policy is to contribute amounts to the trusts equal to the periodic benefit cost calculated pursuant to GAAP as recovered in rates. There have been no contributions to the postretirement plans through June 30, 2020 for Spire Missouri or Spire Alabama, and none are expected to be required for the remainder of the fiscal year.

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Information by Operating Segment

9 Months Ended

Jun. 30, 2020

Segment Reporting [Abstract]

Information by Operating Segment

9. INFORMATION BY OPERATING SEGMENT

The Company has two reportable segments: Gas Utility and Gas Marketing. The Gas Utility segment is the aggregation of the operations of the Utilities. The Gas Marketing segment includes the results of Spire Marketing, a subsidiary engaged in the non-regulated marketing of natural gas and related activities, including utilizing natural gas storage contracts for providing natural gas sales. Other components of the Company’s consolidated information include:

• unallocated corporate items, including certain debt and associated interest costs;

• Spire STL Pipeline, a subsidiary of Spire which has constructed and, as of November 2019, operates a 65-mile FERC-regulated pipeline to deliver natural gas into eastern Missouri;

• Spire Storage, a subsidiary of Spire providing physical natural gas storage services; and

• Spire’s subsidiaries engaged in the operation of a propane pipeline, the compression of natural gas, and risk management, among other activities.

Accounting policies are described in Note 1, Summary of Significant Accounting Policies. Intersegment transactions include sales of natural gas from Spire Marketing to Spire Missouri, Spire Alabama and Spire Storage, sales of natural gas from Spire Missouri and Spire Alabama to Spire Marketing, propane transportation services provided by Spire NGL Inc. to Spire Missouri, and propane storage services provided by Spire Missouri to Spire NGL Inc.

Management evaluates the performance of the operating segments based on the computation of net economic earnings. Net economic earnings exclude from reported net income the after-tax impacts of fair value accounting and timing adjustments associated with energy-related transactions, the impacts of acquisition, divestiture and restructuring activities, and the largely non-cash impacts of impairments (discussed in Note 1) and other non-recurring or unusual items such as certain regulatory, legislative, or GAAP standard-setting actions. For the fiscal 2020 periods presented, adjustments for Spire Missouri ISRS revenues reflect the regulatory settlement reached in the third quarter of fiscal 2020, as discussed in Note 4, Regulatory Matters, such that the related GAAP provision for customer credit for fiscal 2020 to date is reflected in net economic earnings.

	Gas Utility		Gas Marketing			Other			Eliminations			Consolidated
Three Months Ended June 30, 2020
Operating Revenues:
Revenues from external customers	$	305.7	$	11.6		$	3.8		$	—		$	321.1
Intersegment revenues		0.3		—			11.6			(11.9	)		—
Total Operating Revenues		306.0		11.6			15.4			(11.9	)		321.1
Operating Expenses:
Gas Utility
Natural and propane gas		90.6		—			—			(19.9	)		70.7
Operation and maintenance		115.5		—			—			(3.0	)		112.5
Depreciation and amortization		47.8		—			—			—			47.8
Taxes, other than income taxes		31.7		—			—			—			31.7
Total Gas Utility Operating Expenses		285.6		—			—			(22.9	)		262.7
Impairments		—		—			148.6			—			148.6
Gas Marketing and Other		—		(6.6	)		11.9			11.0			16.3
Total Operating Expenses		285.6		(6.6	)		160.5			(11.9	)		427.6
Operating Income (Loss)	$	20.4	$	18.2		$	(145.1	)	$	—		$	(106.5	)
Net Economic Earnings (Loss)	$	8.4	$	0.1		$	(1.2	)	$	—		$	7.3

	Gas Utility		Gas Marketing			Other			Eliminations			Consolidated
Three Months Ended June 30, 2019
Operating Revenues:
Revenues from external customers	$	301.4	$	18.4		$	1.5		$	—		$	321.3
Intersegment revenues		0.2		(0.1	)		3.1			(3.2	)		—
Total Operating Revenues		301.6		18.3			4.6			(3.2	)		321.3
Operating Expenses:
Gas Utility
Natural and propane gas		88.1		—			—			(12.6	)		75.5
Operation and maintenance		113.4		—			—			(2.2	)		111.2
Depreciation and amortization		45.1		—			—			—			45.1
Taxes, other than income taxes		29.7		—			—			—			29.7
Total Gas Utility Operating Expenses		276.3		—			—			(14.8	)		261.5
Gas Marketing and Other		—		25.3			9.6			11.6			46.5
Total Operating Expenses		276.3		25.3			9.6			(3.2	)		308.0
Operating Income (Loss)	$	25.3	$	(7.0	)	$	(5.0	)	$	—		$	13.3
Net Economic Earnings (Loss)	$	7.6	$	3.3		$	(5.9	)	$	—		$	5.0

	Gas Utility		Gas Marketing		Other			Eliminations			Consolidated
Nine Months Ended June 30, 2020
Operating Revenues:
Revenues from external customers	$	1,515.4	$	77.2	$	10.9		$	—		$	1,603.5
Intersegment revenues		0.3		—		30.3			(30.6	)		—
Total Operating Revenues		1,515.7		77.2		41.2			(30.6	)		1,603.5
Operating Expenses:
Gas Utility
Natural and propane gas		603.7		—		—			(69.4	)		534.3
Operation and maintenance		319.9		—		—			(8.3	)		311.6
Depreciation and amortization		141.2		—		—			—			141.2
Taxes, other than income taxes		121.3		—		—			—			121.3
Total Gas Utility Operating Expenses		1,186.1		—		—			(77.7	)		1,108.4
Impairments		—		—		148.6			—			148.6
Gas Marketing and Other		—		59.0		34.1			47.1			140.2
Total Operating Expenses		1,186.1		59.0		182.7			(30.6	)		1,397.2
Operating Income (Loss)	$	329.6	$	18.2	$	(141.5	)	$	—		$	206.3
Net Economic Earnings (Loss)	$	221.8	$	11.3	$	(10.0	)	$	—		$	223.1
	Gas Utility		Gas Marketing		Other			Eliminations			Consolidated
Nine Months Ended June 30, 2019
Operating Revenues:
Revenues from external customers	$	1,651.9	$	69.6	$	5.3		$	—		$	1,726.8
Intersegment revenues		1.7		—		9.0			(10.7	)		—
Total Operating Revenues		1,653.6		69.6		14.3			(10.7	)		1,726.8
Operating Expenses:
Gas Utility
Natural and propane gas		746.6		—		—			(82.0	)		664.6
Operation and maintenance		330.3		—		—			(7.1	)		323.2
Depreciation and amortization		133.2		—		—			—			133.2
Taxes, other than income taxes		126.3		—		—			—			126.3
Total Gas Utility Operating Expenses		1,336.4		—		—			(89.1	)		1,247.3
Gas Marketing and Other		—		47.3		25.9			78.4			151.6
Total Operating Expenses		1,336.4		47.3		25.9			(10.7	)		1,398.9
Operating Income (Loss)	$	317.2	$	22.3	$	(11.6	)	$	—		$	327.9
Net Economic Earnings (Loss)	$	220.7	$	17.8	$	(19.7	)	$	—		$	218.8

The Company’s total assets by segment were as follows:

	June 30,			September 30,			June 30,
	2020			2019			2019
Total Assets:
Gas Utility	$	6,330.1		$	6,094.6		$	5,830.1
Gas Marketing		158.6			212.3			232.3
Other		2,324.8			2,692.7			2,537.4
Eliminations		(990.9	)		(1,380.4	)		(1,267.8	)
Total Assets	$	7,822.6		$	7,619.2		$	7,332.0

The following table reconciles the Company’s net economic earnings to net income.

	Three Months Ended June 30,						Nine Months Ended June 30,
	2020			2019			2020			2019
Net Income	$	(92.3	)	$	(3.0	)	$	108.3		$	218.9
Adjustments, pre-tax:
Impairments		148.6			—			148.6			—
Provision for ISRS rulings		(4.8	)		—			—			—
Unrealized (gain) loss on energy-related derivatives		(18.5	)		8.0			(3.2	)		(3.3	)
Lower of cost or market inventory adjustments		—			2.7			—			2.7
Acquisition, divestiture and restructuring activities		—			—			—			0.4
Income tax effect of adjustments		(25.7	)		(2.7	)		(30.6	)		0.1
Net Economic Earnings	$	7.3		$	5.0		$	223.1		$	218.8

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Commitments and Contingencies

9 Months Ended

Jun. 30, 2020

Commitments And Contingencies Disclosure [Abstract]

Commitments and Contingencies

10. COMMITMENTS AND CONTINGENCIES

Commitments

The Company and the Utilities have entered into contracts with various counterparties, expiring on dates through 2039, for the storage, transportation, and supply of natural gas. Minimum payments required under the contracts in place at June 30, 2020, are estimated at $1,947.6, $1,330.2, and $151.5 for the Company, Spire Missouri, and Spire Alabama, respectively. Additional contracts are generally entered into prior to or during the heating season of November through April. The Utilities recover their costs from customers in accordance with their PGA clauses or GSA riders.

Contingencies

The Company and the Utilities account for contingencies, including environmental liabilities, in accordance with accounting standards under the loss contingency guidance of ASC Topic 450, Contingencies, when it is probable that a liability has been incurred and the amount of the loss can be reasonably estimated.

In addition to matters noted below, the Company and the Utilities are involved in other litigation, claims, and investigations arising in the normal course of business. Management, after discussion with counsel, believes the final outcome will not have a material effect on the statements of income, balance sheets, and statements of cash flows of the Company, Spire Missouri, or Spire Alabama. However, there is uncertainty in the valuation of pending claims and prediction of litigation results.

The Company and the Utilities own and operate natural gas distribution, transmission, and storage facilities, the operations of which are subject to various environmental laws, regulations, and interpretations. While environmental issues resulting from such operations arise in the ordinary course of business, such issues have not materially affected the Company’s or Utilities’ financial position and results of operations. As environmental laws, regulations, and their interpretations change, the Company or the Utilities may incur additional environmental liabilities that may result in additional costs, which may be material.

In the natural gas industry, many gas distribution companies have incurred environmental liabilities associated with sites they or their predecessor companies formerly owned or operated where manufactured gas operations took place. The Utilities each have former manufactured gas plant (MGP) operations in their respective service territories. To the extent costs are incurred associated with environmental remediation activities, the Utilities would request authority from their respective regulators to defer such costs (less any amounts received from insurance proceeds or as contributions from other potentially responsible parties (PRPs)) and collect them through future rates.

Spire Missouri

Spire Missouri has identified three former MGP sites in the city of St. Louis, Missouri (the “City”) where costs have been incurred and claims have been asserted. Spire Missouri has enrolled two of the sites in the Missouri Department of Natural Resources (MDNR) Brownfields/Voluntary Cleanup Program (BVCP). The third site is the result of a relatively new claim assertion by the United States Environmental Protection Agency (EPA).

In conjunction with redevelopment of one of the sites, Spire Missouri and another former owner of the site entered into an agreement (the “Remediation Agreement”) with the City development agencies, the developer, and an environmental consultant that obligates one of the City agencies and the environmental consultant to remediate the site and obtain a No Further Action letter from the MDNR. The Remediation Agreement also provides for a release of Spire Missouri and the other former site owner from certain liabilities related to the past and current environmental condition of the site and requires the developer and the environmental consultant to maintain certain insurance coverage, including remediation cost containment, premises pollution liability, and professional liability. The operative provisions of the Remediation Agreement were triggered on December 20, 2010, on which date Spire Missouri and the other former site owner, as full consideration under the Remediation Agreement, paid a small percentage of the cost of remediation of the site. The amount paid by Spire Missouri did not materially impact the financial condition, results of operations, or cash flows of the Company.

Spire Missouri has not owned the second site for many years. In a letter dated June 29, 2011, the Attorney General for the State of Missouri informed Spire Missouri that the MDNR had completed an investigation of the site. The Attorney General requested that Spire Missouri participate in the follow up investigations of the site. In a letter dated January 10, 2012, Spire Missouri stated that it would participate in future environmental response activities at the site in conjunction with other PRPs that are willing to contribute to such efforts in a meaningful and equitable fashion. Accordingly, Spire Missouri entered into a cost sharing agreement for remedial investigation with other PRPs. To date, MDNR has not approved the agreement, so remedial investigation has not yet occurred.

Additionally, in correspondence dated November 30, 2016, Region 7 of the EPA has asserted that Spire Missouri is liable under Section 107(a) of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA) for alleged coal gas waste contamination at a third site in the northern portion of the City on which Spire Missouri operated a MGP. Spire Missouri has not owned or operated the site (also known as Station “B”) for over 70 years. Spire Missouri and the site owner have met with the EPA and reviewed its assertions. Both Spire Missouri and the site owner have notified the EPA that information and data provided by the EPA to date does not rise to the level of documenting a threat to the public health or environment. As such, Spire Missouri requested more information from the EPA, some of which would also be utilized to identify other former owners and operators of the site that could be added as PRPs. To date, Spire Missouri has not received a response from the EPA.

Spire Missouri has notified its insurers that it seeks reimbursement for costs incurred in the past and future potential liabilities associated with these MGP sites. While some of the insurers have denied coverage and reserved their rights, Spire Missouri retains the right to seek potential reimbursements from them.

On March 10, 2015, Spire Missouri received a Section 104(e) information request under CERCLA from EPA Region 7 regarding the former Thompson Chemical/Superior Solvents site in the City. In turn, Spire Missouri issued a Freedom of Information Act (FOIA) request to the EPA on April 3, 2015, in an effort to identify the basis of the inquiry. The FOIA response from the EPA was received on July 15, 2015 and a response was provided to the EPA on August 15, 2015. Spire Missouri has received no further inquiry from the EPA regarding this matter.

In its western service area, Spire Missouri has seven owned MGP sites enrolled in the BVCP, including Joplin MGP #1, St. Joseph MGP #1, Kansas City Coal Gas Station B, Kansas City Station A Railroad area, Kansas City Coal Gas Station A North, Kansas City Coal Gas Station A South, and Independence MGP #2. Source removal has been conducted at all of the owned sites since 2003 with the exception of Joplin. On September 15, 2016, a request was made with the MDNR for a restrictive covenant use limitation with respect to Joplin. Remediation efforts at the seven sites are at various stages of completion, ranging from groundwater monitoring and sampling following source removal activities to the aforementioned request in respect to Joplin. As part of its participation in the BVCP, Spire Missouri communicates regularly with the MDNR with respect to its remediation efforts and monitoring activities at these sites. On May 11, 2015, MDNR approved the next phase of investigation at the Kansas City Station A North and Railroad areas.

To date, costs incurred for all Spire Missouri’s MGP sites for investigation, remediation and monitoring these sites have not been material. However, the amount of costs relative to future remedial actions at these and other sites is unknown and may be material. The actual future costs that Spire Missouri may incur could be materially higher or lower depending upon several factors, including whether remediation actions will be required, final selection and regulatory approval of any remedial actions, changing technologies and government regulations, the ultimate ability of other PRPs to pay, and any insurance recoveries.

In 2013, Spire Missouri retained an outside consultant to conduct probabilistic cost modeling of 19 former MGP sites owned or operated by Spire Missouri. The purpose of this analysis was to develop an estimated range of probabilistic future liability for each site. That analysis, completed in August 2014, provided a range of demonstrated possible future expenditures to investigate, monitor and remediate all 19 MGP sites. Spire Missouri has recorded its best estimate of the probable expenditures that relate to these matters. The amount is not material.

Spire Missouri and the Company do not expect potential liabilities that may arise from remediating these sites to have a material impact on their future financial condition or results of operations.

Spire Alabama

Spire Alabama is in the chain of title of nine former MGP sites, four of which it still owns, and five former manufactured gas distribution sites, one of which it still owns. Spire Alabama does not foresee a probable or reasonably estimable loss associated with these sites. Spire Alabama and the Company do not expect potential liabilities that may arise from remediating these sites to have a material impact on their future financial condition or results of operations.

In 2012, Spire Alabama responded to an EPA Request for Information Pursuant to Section 104 of CERCLA relating to the 35th Avenue Superfund Site located in North Birmingham, Jefferson County, Alabama. Spire Alabama was identified as a PRP under CERCLA for the cleanup of the site or costs the EPA incurs in cleaning up the site. At this point, Spire Alabama has not been provided information that would allow it to determine the extent, if any, of its potential liability with respect to the 35th Avenue Superfund Site and vigorously denies its inclusion as a PRP.

Spire

In addition to those discussed above for Spire Missouri and Spire Alabama, Spire is aware of the following contingent matter.

In February 2018, the Company was made aware of a complaint filed with the U.S. Department of Housing and Urban Development (HUD) by the South Alabama Center for Fair Housing and the National Community Reinvestment Coalition. The complaint alleges that Spire Gulf discriminated against unspecified residents of Eight Mile, Alabama, on the basis of race in violation of the Fair Housing Act by failing to adequately address the odorant release that occurred in 2008. The Company believes there is no basis for the complaint, HUD has no jurisdiction in the matter, and there will be no material impact on its future financial condition or results of operations.

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Leases

9 Months Ended

Jun. 30, 2020

Leases [Abstract]

Leases

11. LEASES

The lease agreement covering the Company’s primary office space in St. Louis extends through February 2035, with an option to renew for an additional five years. Spire Alabama’s lease agreement for office space in Birmingham extends through January 2024. The lease agreement covering Spire Marketing and Spire Storage office space in Houston extends through December 2028, with options to terminate three years earlier or to renew for an additional five years. The renewal options in the St. Louis and Houston leases are reasonably certain to be exercised and are included in the lease term used to determine the right-of use assets and lease liabilities. The Company and its subsidiaries have other relatively minor rental arrangements for real estate and equipment with remaining terms of up to eleven years.

Operating lease cost, cash flow and noncash information for the three and nine months ended June 30, 2020 are shown in the following tables.

Three Months Ended June 30, 2020	Spire		Spire Missouri		Spire Alabama
Operating lease cost, including amounts capitalized	$	2.1	$	0.1	$	0.9
Cash flow and noncash information about operating leases:
Operating cash flows representing cash paid for amounts included in the measurement of lease liabilities		2.2		0.1		0.9
Right-of-use assets obtained in exchange for lease liabilities		—		—		—
Nine Months Ended June 30, 2020	Spire		Spire Missouri		Spire Alabama
Operating lease cost, including amounts capitalized	$	6.9	$	0.4	$	3.0
Cash flow and noncash information about operating leases:
Operating cash flows representing cash paid for amounts included in the measurement of lease liabilities		6.7		0.4		2.8
Right-of-use assets obtained in exchange for lease liabilities		71.1		2.1		10.0

The following table shows balance sheet and weighted-average information about operating leases as of June 30, 2020.

	Balance sheet classification	Spire			Spire Missouri			Spire Alabama
Right-of-use assets	Deferred Charges and Other Assets: Other	$	66.2		$	1.8		$	7.2
Lease liabilities, current	Current Liabilities, Other		6.5			0.3			1.9
Lease liabilities, noncurrent	Deferred Credits and Other Liabilities: Other		59.5			1.4			5.1
Weighted-average remaining lease term		16.0 years			5.6 years			3.6 years
Weighted-average discount rate			4.2	%		2.5	%		2.2	%

Following is a maturity analysis by fiscal year for operating lease liabilities as of June 30, 2020.

	Spire			Spire Missouri			Spire Alabama
Remainder of 2020	$	1.2		$	0.1		$	0.3
2021		7.2			0.4			2.1
2022		7.2			0.4			2.1
2023		7.2			0.3			2.1
2024		5.8			0.3			0.7
2025		5.1			0.3			—
Thereafter		58.4			0.2			—
Total undiscounted lease payments		92.1			2.0			7.3
Less present value discount		(26.1	)		(0.3	)		(0.3	)
Total current and noncurrent lease liabilities	$	66.0		$	1.7		$	7.0

As of September 30, 2019, the annual minimum rental commitments for operating leases (under ASC 840) were as follows.

	2020		2021		2022		2023		2024		Later		Total
Spire	$	8.2	$	7.0	$	6.8	$	6.1	$	4.8	$	36.5	$	69.4
Spire Missouri		0.5		0.2		—		—		—		—		0.7
Spire Alabama		2.9		2.1		2.1		2.1		0.7		—		9.9

There are no significant finance leases, short-term leases, subleases, variable lease payments, residual value guarantees, restrictions or covenants pertaining to leases.

The Company elected, for all asset classes, not to recognize right-of-use assets and lease liabilities for short-term leases. Instead, the lease payments are recognized in profit or loss on a straight-line basis over the lease term and variable lease payments are recognized in the period in which the obligation for those payments is incurred. The Company elected, for all asset classes, not to separate nonlease components from lease components and instead to account for each separate lease component and the nonlease components associated with that lease component as a single lease component.

The discount rate used for all the leases is the applicable incremental borrowing rate, which is the rate of interest that a lessee would have to pay to borrow on a collateralized basis over a similar term an amount equal to the lease payments in a similar economic environment. For a subsidiary lessee, the rate applicable to the subsidiary is used unless the lease terms are influenced by parent credit.

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Summary of Significant Accounting Policies (Policies)

9 Months Ended

Jun. 30, 2020

Accounting Policies [Abstract]

Basis of Presentation

BASIS OF PRESENTATION – These notes are an integral part of the accompanying unaudited financial statements of Spire Inc. (“Spire” or the “Company”) presented on a consolidated basis, Spire Missouri Inc. (“Spire Missouri”) and Spire Alabama Inc. (“Spire Alabama”). Spire Missouri and Spire Alabama are wholly owned subsidiaries of Spire. Spire Missouri, Spire Alabama and the subsidiaries of Spire EnergySouth Inc. (“Spire EnergySouth”) are collectively referred to as the “Utilities.” The subsidiaries of Spire EnergySouth are Spire Gulf Inc. and Spire Mississippi Inc.

The accompanying unaudited financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (GAAP) for interim financial information with the instructions to Form 10-Q and Rule 10-01 of Regulation S‑X. Accordingly, they do not include all the disclosures required for complete financial statements. In the opinion of management, the accompanying unaudited financial statements include all adjustments necessary for the fair presentation of the results of operations for the periods presented. This Form 10-Q should be read in conjunction with the Notes to Financial Statements contained in Spire’s, Spire Missouri’s and Spire Alabama’s combined Annual Report on Form 10-K for the fiscal year ended September 30, 2019.

The consolidated financial position, results of operations, and cash flows of Spire include the accounts of the Company and all its subsidiaries. Transactions and balances between consolidated entities have been eliminated from the consolidated financial statements of Spire. In compliance with GAAP, transactions between Spire Missouri and Spire Alabama and their affiliates, as well as intercompany balances on their balance sheets, have not been eliminated from their separate financial statements.

Impairment of Long-Lived Assets

IMPAIRMENT OF LONG-LIVED ASSETS – Long-lived assets classified as held and used are evaluated for impairment when events or changes in circumstances indicate that the carrying value of such assets may not be recoverable. Whether impairment has occurred is determined by comparing the estimated undiscounted cash flows attributable to the assets with the carrying value of the assets. If the carrying value exceeds the undiscounted cash flows, the Company recognizes an impairment charge equal to the amount of the carrying value that exceeds the estimated fair value of the assets. In the period in which the Company determines an asset meets held-for-sale criteria, an impairment charge is recorded to the extent the book value exceeds its fair value less cost to sell.

On July 1, 2020, Spire’s Board of Directors, based upon the recommendation of senior management, revised the development plan for Spire Storage West LLC (“Spire Storage”), resulting in an impairment charge of $140.8 related to Spire Storage assets (non-utility property on the balance sheet) in the quarter ended June 30, 2020. The revision was driven by the realization that a longer time horizon will be required for optimization and positioning of the storage facility to serve energy markets in the western United States. Among other factors, evaluations of the continuing evolution of market dynamics in the region led management to update models of various development alternatives. Separately in the quarter ended June 30, 2020, Spire recorded impairment charges totaling $7.8 related to two commercial compressed natural gas fueling stations (also non-utility property) as a result of revised projections reflecting lower diesel prices and slower conversions of Class 8 vehicles. The fair values used in measuring the impairment charges were determined with an expected present value technique using a discounted cash flow method under an income approach.

Derivatives

DERIVATIVES – In the course of their business, certain subsidiaries of Spire enter into commitments associated with the purchase or sale of natural gas. Certain of their derivative natural gas contracts are designated as normal purchases or normal sales and, as such, are excluded from the scope of Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC) Topic 815, Derivatives and Hedging. Those contracts are accounted for as executory contracts and recorded on an accrual basis. Revenues and expenses from such contracts are recorded gross. Contracts not designated as normal purchases or normal sales are recorded as derivatives with changes in fair value recognized in earnings in the periods prior to physical delivery. Certain of Spire Marketing’s wholesale purchase and sale transactions are classified as trading activities for financial reporting purposes. Under GAAP, revenues and expenses associated with trading activities are presented on a net basis in Gas Marketing operating revenues (or expenses, if negative) in the Condensed Consolidated Statements of Income. This net presentation has no effect on operating income or net income.

Regulated Operations

REGULATED OPERATIONS – The Utilities account for their regulated operations in accordance with FASB ASC Topic 980, Regulated Operations. This topic sets forth the application of GAAP for those companies whose rates are established by or are subject to approval by an independent third-party regulator. The provisions of this accounting guidance require, among other things, that financial statements of a regulated enterprise reflect the actions of regulators, where appropriate. These actions may result in the recognition of revenues and expenses in time periods that are different than non-regulated enterprises. When this occurs, costs are deferred as assets in the balance sheet (regulatory assets) and recorded as expenses when those amounts are reflected in rates. In addition, regulators can impose liabilities upon a regulated company for amounts previously collected from customers and for recovery of costs that are expected to be incurred in the future (regulatory liabilities). Management believes that the current regulatory environment supports the continued use of these regulatory accounting principles and that all regulatory assets and regulatory liabilities are recoverable or refundable through the regulatory process.

As authorized by the Missouri Public Service Commission (MoPSC), the Mississippi Public Service Commission (MSPSC) and the Alabama Public Service Commission (APSC), the Purchased Gas Adjustment (PGA) clauses and Gas Supply Adjustment (GSA) riders allow the Utilities to pass through to customers the cost of purchased gas supplies. Regulatory assets and liabilities related to the PGA clauses and the GSA riders are both labeled Unamortized Purchased Gas Adjustments herein. See additional information about regulatory assets and liabilities in Note 4, Regulatory Matters.

Transactions with Affiliates

TRANSACTIONS WITH AFFILIATES – Transactions between affiliates of the Company have been eliminated from the consolidated financial statements of Spire. Spire Missouri and Spire Alabama borrowed funds from the Company and incurred related interest, as reflected in their separate financial statements, and they participated in normal intercompany shared services transactions. In addition, Spire Missouri’s other transactions with affiliates are presented in the table below:

	Three Months Ended June 30,				Nine Months Ended June 30,
	2020		2019		2020		2019
Purchases of natural gas from Spire Marketing Inc.	$	10.9	$	12.3	$	43.7	$	81.3
Transportation services received from Spire STL Pipeline LLC		8.0		—		19.8		—
Sales of natural gas to Spire Marketing Inc.		—		0.2		—		1.6
Transportation services received from Spire NGL Inc.		0.3		0.3		0.8		0.8

In the three and nine months ended June 30, 2020, Spire Alabama had purchases of natural gas from Spire Marketing totaling $0.8 and $5.1, respectively. In the three months ended June 30, 2020, Spire Alabama had $0.3 of natural gas sales to Spire Marketing.

Accrued Capital Expenditures

ACCRUED CAPITAL EXPENDITURES – Accrued capital expenditures, shown in the following table, are excluded from capital expenditures in the statements of cash flows until paid.

	June 30,		September 30,		June 30,
	2020		2019		2019
Spire	$	54.4	$	80.6	$	60.2
Spire Missouri		28.9		40.1		26.3
Spire Alabama		14.4		11.9		9.0

New Accounting Pronouncements

NEW ACCOUNTING PRONOUNCEMENTS – Spire, Spire Missouri and Spire Alabama adopted Accounting Standards Update (ASU) No. 2016-02, Leases, along with related ASU Nos. 2018-01, 2018-10, 2018-11, 2018-20 and 2019-01 (collectively, “ASC 842”) using a modified retrospective transition method for leases existing at, or entered into after, October 1, 2019. Under the selected transition method, comparative periods in the financial statements are presented under ASC 840 (previous lease accounting guidance). ASC 842 requires lessees to recognize a right-of-use asset and lease liability for almost all lease contracts based on the present value of lease payments. It provides new guidelines for identifying and classifying a lease, and classification affects the pattern and income statement line item for the related expense. The Company and its subsidiaries elected a package of three practical expedients permitted by the standard, allowing them not to reassess existing contracts for (1) whether it is or contains a lease, (2) lease classification and (3) initial direct costs. They also elected to use the benefit of hindsight in determining both the lease term and impairments associated with any existing leases, which resulted in lease terms that best represent management’s expectations with respect to use of the underlying asset but did not result in recognition of any impairment. Finally, they elected not to assess whether existing land easements are leases under ASC 842. The adoption of ASC 842 impacted the balance sheets through recognition of right-of-use assets and lease liabilities for operating leases but did not result in a cumulative effect adjustment or significant impacts to income or cash flows. For other lease policy elections and disclosures about leases, see Note 11, Leases.

Spire, Spire Missouri and Spire Alabama adopted the guidance in ASU No. 2017-12, Derivatives and Hedging: Targeted Improvements to Accounting for Hedging Activities, and related ASU Nos. 2018-16, 2019-04, and 2019-10 in the first quarter of fiscal year 2020. The amendments in these ASUs more closely align the results of hedge accounting with risk management activities through changes to both the designation and measurement guidance for qualifying hedging relationships and the presentation of hedge results in the financial statements. They did not have a significant impact on the financial statements.

In June 2016, the FASB issued ASU No. 2016-13, Financial Instruments – Credit Losses: Measurement of Credit Losses on Financial Instruments, which was later supplemented by ASU Nos. 2018-19, 2019-04, 2019-05 and 2019-11. The standard introduces new guidance for the accounting for credit losses on instruments within its scope, including trade receivables. It is effective for fiscal years beginning after December 15, 2019, including interim periods within those fiscal years. The new guidance will be initially applied through a cumulative-effect adjustment to retained earnings as of the beginning of the period of adoption. Spire, Spire Missouri and Spire Alabama are currently assessing the impacts of adopting this standard, which must be adopted by the first quarter of fiscal 2021.

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Summary of Significant Accounting Policies (Tables)

9 Months Ended

Jun. 30, 2020

Accounting Policies [Abstract]

Schedule of Inter-Company Transactions

In addition, Spire Missouri’s other transactions with affiliates are presented in the table below

	Three Months Ended June 30,				Nine Months Ended June 30,
	2020		2019		2020		2019
Purchases of natural gas from Spire Marketing Inc.	$	10.9	$	12.3	$	43.7	$	81.3
Transportation services received from Spire STL Pipeline LLC		8.0		—		19.8		—
Sales of natural gas to Spire Marketing Inc.		—		0.2		—		1.6
Transportation services received from Spire NGL Inc.		0.3		0.3		0.8		0.8

Schedule of Capital Expenditures Excluded from Statement of Cash Flow

Accrued capital expenditures, shown in the following table, are excluded from capital expenditures in the statements of cash flows until paid.

	June 30,		September 30,		June 30,
	2020		2019		2019
Spire	$	54.4	$	80.6	$	60.2
Spire Missouri		28.9		40.1		26.3
Spire Alabama		14.4		11.9		9.0

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Revenue (Tables)

9 Months Ended

Jun. 30, 2020

Revenue From Contract With Customer [Abstract]

Schedule of Revenue Disaggregated by Source and Customer Type

The following tables show revenue disaggregated by source and customer type.

	Three Months Ended June 30,						Nine Months Ended June 30,
	2020			2019			2020			2019
Spire
Gas Utility:
Residential	$	208.1		$	188.1		$	1,048.4		$	1,133.0
Commercial & industrial		57.5			68.5			336.8			384.7
Transportation		26.1			25.6			89.6			86.4
Off-system & other incentive		9.3			7.7			28.0			34.1
Other customer revenue		5.0			8.8			10.6			32.4
Total revenue from contracts with customers		306.0			298.7			1,513.4			1,670.6
Changes in accrued revenue under alternative revenue programs		—			2.9			2.3			(17.0	)
Total Gas Utility operating revenues		306.0			301.6			1,515.7			1,653.6
Gas Marketing:
Revenue from contracts with retail customers		11.6			18.3			77.2			69.6
Revenue from wholesale derivative contracts		—			—			—			—
Total Gas Marketing operating revenues		11.6			18.3			77.2			69.6
Other		15.4			4.6			41.2			14.3
Total before eliminations		333.0			324.5			1,634.1			1,737.5
Intersegment eliminations (see Note 9, Information by Operating Segment)		(11.9	)		(3.2	)		(30.6	)		(10.7	)
Total Operating Revenues	$	321.1		$	321.3		$	1,603.5		$	1,726.8

Spire Missouri
Residential	$	153.2		$	133.4	$	760.2	$	846.4
Commercial & industrial		35.9			39.6		215.9		257.9
Transportation		7.4			7.1		26.1		26.0
Off-system & other incentive		7.6			7.7		26.3		34.1
Other customer revenue		3.2			3.2		4.6		10.0
Total revenue from contracts with customers		207.3			191.0		1,033.1		1,174.4
Changes in accrued revenue under alternative revenue programs		(3.4	)		0.4		2.3		(13.2	)
Total Operating Revenues	$	203.9		$	191.4	$	1,035.4	$	1,161.2

Spire Alabama
Residential	$	44.7	$	45.7	$	239.5		$	238.0
Commercial & industrial		17.1		21.6		94.6			97.1
Transportation		16.2		16.3		55.7			53.3
Off-system & other incentive		1.7		—		1.7			—
Other customer revenue		0.4		4.9		3.7			19.8
Total revenue from contracts with customers		80.1		88.5		395.2			408.2
Changes in accrued revenue under alternative revenue programs		1.1		2.3		(2.3	)		(3.5	)
Total Operating Revenues	$	81.2	$	90.8	$	392.9		$	404.7

Schedule of Gross Receipts Taxes

The expense amounts (shown in the table below) are reported gross in the “Taxes, other than income taxes” line in the statements of income, and corresponding revenues are reported in “Operating Revenues.”

	Three Months Ended June 30,				Nine Months Ended June 30,
	2020		2019		2020		2019
Spire	$	17.2	$	18.2	$	79.7	$	87.6
Spire Missouri		12.1		12.5		55.5		63.1
Spire Alabama		4.2		4.8		20.3		20.7

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Earnings Per Common Share (Tables)

9 Months Ended

Jun. 30, 2020

Earnings Per Share [Abstract]

Schedule of Basic and Diluted Earnings Per Share

	Three Months Ended June 30,						Nine Months Ended June 30,
	2020			2019			2020		2019
Basic Earnings Per Common Share:
Net (Loss) Income	$	(92.3	)	$	(3.0	)	$	108.3	$	218.9
Less: Provision for preferred dividends		3.7			1.6			11.1		1.6
(Loss) income allocated to participating securities		(0.1	)		—			0.2		0.5
(Loss) income Available to Common Shareholders	$	(95.9	)	$	(4.6	)	$	97.0	$	216.8
Weighted Average Common Shares Outstanding (in millions)		51.2			50.7			51.1		50.6
Basic (Loss) Earnings Per Common Share	$	(1.87	)	$	(0.09	)	$	1.90	$	4.28
Diluted Earnings Per Common Share:
Net (Loss) Income	$	(92.3	)	$	(3.0	)	$	108.3	$	218.9
Less: Provision for preferred dividends		3.7			1.6			11.1		1.6
(Loss) income allocated to participating securities		(0.1	)		—			0.2		0.5
(Loss) Income Available to Common Shareholders	$	(95.9	)	$	(4.6	)	$	97.0	$	216.8
Weighted Average Common Shares Outstanding (in millions)		51.2			50.7			51.1		50.6
Dilutive Effect of Restricted Stock and Restricted Stock Units (in millions)*		—			—			0.1		0.2
Weighted Average Diluted Common Shares (in millions)		51.2			50.7			51.2		50.8
Diluted (Loss) Earnings Per Common Share	$	(1.87	)	$	(0.09	)	$	1.90	$	4.27
* Calculation excludes certain outstanding common shares (shown in millions by    period at the right) attributable to stock units subject to performance or market    conditions and restricted stock, which could have a dilutive effect in the future		0.1			0.3			0.1		0.3

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Regulatory Matters (Tables)

9 Months Ended

Jun. 30, 2020

Regulated Operations [Abstract]

Schedule of Regulatory Assets and Liabilities

The following regulatory assets and regulatory liabilities were reflected in the balance sheets of the Company, Spire Missouri and Spire Alabama as of June 30, 2020, September 30, 2019, and June 30, 2019.

	June 30,		September 30,		June 30,
Spire	2020		2019		2019
Regulatory Assets:
Current:
Pension and postretirement benefit costs	$	30.1	$	30.1	$	30.1
Unamortized purchased gas adjustments		9.6		18.2		18.9
Other		30.5		30.3		30.0
Total Current Regulatory Assets		70.2		78.6		79.0
Noncurrent:
Pension and postretirement benefit costs		415.3		416.6		335.7
Cost of removal		160.4		150.9		137.4
Future income taxes due from customers		120.7		108.8		105.7
Energy efficiency		38.2		35.0		32.6
Unamortized purchased gas adjustments		—		9.1		—
Other		57.2		47.2		45.7
Total Noncurrent Regulatory Assets		791.8		767.6		657.1
Total Regulatory Assets	$	862.0	$	846.2	$	736.1
Regulatory Liabilities:
Current:
Pension and postretirement benefit costs	$	5.8	$	5.8	$	5.8
Unamortized purchased gas adjustments		21.1		26.2		3.3
Other		31.9		28.8		22.2
Total Current Regulatory Liabilities		58.8		60.8		31.3
Noncurrent:
Deferred taxes due to customers		156.4		179.8		152.9
Pension and postretirement benefit costs		157.6		142.3		119.8
Accrued cost of removal		26.4		41.6		45.8
Unamortized purchased gas adjustments		79.9		—		47.9
Other		29.3		35.3		29.9
Total Noncurrent Regulatory Liabilities		449.6		399.0		396.3
Total Regulatory Liabilities	$	508.4	$	459.8	$	427.6

	June 30,		September 30,		June 30,
Spire Missouri	2020		2019		2019
Regulatory Assets:
Current:
Pension and postretirement benefit costs	$	21.9	$	21.9	$	21.9
Unamortized purchased gas adjustments		0.1		—		0.8
Other		7.5		7.5		7.5
Total Current Regulatory Assets		29.5		29.4		30.2
Noncurrent:
Future income taxes due from customers		111.8		102.9		101.3
Pension and postretirement benefit costs		340.6		333.3		269.8
Energy efficiency		38.2		35.0		32.6
Unamortized purchased gas adjustments		—		9.1		—
Cost of removal		1.3		—		—
Other		40.0		27.2		25.5
Total Noncurrent Regulatory Assets		531.9		507.5		429.2
Total Regulatory Assets	$	561.4	$	536.9	$	459.4
Regulatory Liabilities:
Current:
Pension and postretirement benefit costs	$	3.6	$	3.6	$	3.6
Unamortized purchased gas adjustments		20.0		25.4		2.5
Other		27.2		23.3		17.3
Total Current Regulatory Liabilities		50.8		52.3		23.4
Noncurrent:
Deferred taxes due to customers		139.0		162.5		135.5
Pension and postretirement benefit costs		136.4		119.1		84.6
Accrued cost of removal		—		15.7		18.4
Unamortized purchased gas adjustments		79.9		—		47.9
Other		23.6		29.2		24.1
Total Noncurrent Regulatory Liabilities		378.9		326.5		310.5
Total Regulatory Liabilities	$	429.7	$	378.8	$	333.9

	June 30,		September 30,		June 30,
Spire Alabama	2020		2019		2019
Regulatory Assets:
Current:
Pension and postretirement benefit costs	$	7.2	$	7.3	$	7.3
Unamortized purchased gas adjustments		9.5		17.7		17.6
Other		6.7		8.9		9.0
Total Current Regulatory Assets		23.4		33.9		33.9
Noncurrent:
Pension and postretirement benefit costs		69.9		77.2		59.3
Cost of removal		159.1		150.9		137.4
Future income taxes due from customers		2.2		—		—
Other		0.9		3.1		3.2
Total Noncurrent Regulatory Assets		232.1		231.2		199.9
Total Regulatory Assets	$	255.5	$	265.1	$	233.8
Regulatory Liabilities:
Current:
Pension and postretirement benefit costs	$	2.2	$	2.2	$	2.3
Other		0.3		1.2		1.1
Total Current Regulatory Liabilities		2.5		3.4		3.4
Noncurrent:
Pension and postretirement benefit costs		17.2		19.1		25.8
Other		3.7		3.9		4.0
Total Noncurrent Regulatory Liabilities		20.9		23.0		29.8
Total Regulatory Liabilities	$	23.4	$	26.4	$	33.2

Schedule of Regulatory Assets Not Earning a Return

A portion of the Company’s and Spire Missouri’s regulatory assets are not earning a return, as shown in the table below:

	June 30,		September 30,		June 30,
	2020		2019		2019
Spire
Pension and postretirement benefit costs	$	234.7	$	211.1	$	142.1
Future income taxes due from customers		118.4		108.8		105.7
Other		13.2		14.3		14.5
Total Regulatory Assets Not Earning a Return	$	366.3	$	334.2	$	262.3
Spire Missouri
Pension and postretirement benefit costs	$	234.7	$	211.1	$	142.1
Future income taxes due from customers		111.8		102.9		101.3
Other		13.2		14.3		14.5
Total Regulatory Assets Not Earning a Return	$	359.7	$	328.3	$	257.9

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Financing Arrangements and Long-term Debt (Tables)

9 Months Ended

Jun. 30, 2020

Debt Disclosure [Abstract]

Schedule of Spire Missouri and Alabama Short-term Borrowings

Information about Spire’s consolidated short-term borrowings and about Spire Missouri’s and Spire Alabama’s borrowings from Spire is presented in the following table. As of June 30, 2020, $324.5 of Spire’s short-term borrowings were used to support lending to the Utilities.

	Spire (Parent Only)									Spire Missouri						Spire Alabama						Spire
	Credit			Term			CP			Credit			Spire			Credit			Spire			Consol-
	Facility			Loan			Program			Facility			Note			Facility			Note			idated
Nine Months Ended June 30, 2020
Weighted average borrowings	$	0.1		$	53.1		$	498.5		$	23.9		$	240.4		$	6.1		$	86.0		$	581.7
Lowest borrowings outstanding		—			—			73.5			—			16.0			—			18.5			432.6
Highest borrowings outstanding		23.1			150.0			856.6			185.1			429.5			50.0			161.3			856.6
Weighted average interest rate		1.9	%		2.1	%		2.0	%		1.9	%		1.9	%		0.6	%		1.8	%		2.0	%
As of June 30, 2020
Borrowings outstanding	$	—		$	150.0		$	327.6		$	—		$	218.3		$	—		$	85.6		$	477.6
Weighted average interest rate	n/a				1.2	%		0.5	%	n/a				0.5	%	n/a				0.5	%		0.9	%
As of September 30, 2019
Borrowings outstanding	$	—		$	—		$	743.2		$	—		$	386.4		$	—		$	128.7		$	743.2
Weighted average interest rate	n/a			n/a				2.3	%	n/a				2.3	%	n/a				2.3	%		2.3	%
As of June 30, 2019
Borrowings outstanding	$	—		$	—		$	434.0		$	—		$	281.5		$	—		$	79.6		$	434.0
Weighted average interest rate	n/a			n/a				2.7	%	n/a				2.7	%	n/a				2.7	%		2.7	%

Summary Capitalized Interest

Interest expense shown on Spire’s consolidated statements of income and Spire Missouri’s statements of comprehensive income is net of the capitalized interest amounts shown in the following table.

	Three Months Ended June 30,				Nine Months Ended June 30,
	2020		2019		2020		2019
Spire	$	1.2	$	2.0	$	4.8	$	4.6
Spire Missouri		0.2		0.5		0.8		1.4
Spire Alabama		0.4		—		1.4		—

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Fair Value of Financial Instruments (Tables)

9 Months Ended

Jun. 30, 2020

Fair Value Disclosures [Abstract]

Summary of Financial Instruments Measured at Fair Value on Recurring Basis

The carrying amounts and estimated fair values of financial instruments not measured at fair value on a recurring basis are shown in the following tables, classified according to the fair value hierarchy. There were no such instruments classified as Level 3 (significant unobservable inputs) as of June 30, 2020, September 30, 2019, and June 30, 2019.

					Classification of Estimated Fair Value
	Carrying Amount		Fair Value		Quoted Prices in Active Markets (Level 1)		Significant Observable Inputs (Level 2)
Spire
As of June 30, 2020
Cash and cash equivalents	$	7.4	$	7.4	$	7.4	$	—
Notes payable		477.6		477.6		—		477.6
Long-term debt, including current portion		2,483.7		2,875.5		—		2,875.5
As of September 30, 2019
Cash and cash equivalents	$	5.8	$	5.8	$	5.8	$	—
Notes payable		743.2		743.2		—		743.2
Long-term debt, including current portion		2,122.6		2,373.4		—		2,373.4
As of June 30, 2019
Cash and cash equivalents	$	5.8	$	5.8	$	5.8	$	—
Notes payable		434.0		434.0		—		434.0
Long-term debt, including current portion		2,207.3		2,363.1		—		2,363.1
Spire Missouri
As of June 30, 2020
Cash and cash equivalents	$	0.7	$	0.7	$	0.7	$	—
Notes payable – associated companies		218.3		218.3		—		218.3
Long-term debt		1,091.9		1,303.2		—		1,303.2
As of September 30, 2019
Cash and cash equivalents	$	2.6	$	2.6	$	2.6	$	—
Notes payable – associated companies		386.4		386.4		—		386.4
Long-term debt		925.0		1,065.2		—		1,065.2
As of June 30, 2019
Cash and cash equivalents	$	3.7	$	3.7	$	3.7	$	—
Notes payable – associated companies		281.5		281.5		—		281.5
Long-term debt, including current portion		924.8		1,027.6		—		1,027.6
Spire Alabama
As of June 30, 2020
Notes payable – associated companies		85.6		85.6		—		85.6
Long-term debt		471.8		572.3		—		572.3
As of September 30, 2019
Notes payable – associated companies	$	128.7	$	128.7	$	—	$	128.7
Long-term debt, including current portion		412.2		474.8		—		474.8
As of June 30, 2019
Notes payable – associated companies	$	79.6	$	79.6	$	—	$	79.6
Long-term debt, including current portion		412.1		450.2		—		450.2

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Fair Value Measurements (Tables)

9 Months Ended

Jun. 30, 2020

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]

Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis

The information presented below categorizes the assets and liabilities in the balance sheets that are accounted for at fair value on a recurring basis in periods subsequent to initial recognition.

The mutual funds included in Level 1 are valued based on exchange-quoted market prices of individual securities.

Derivative instruments included in Level 1 are valued using quoted market prices on the New York Mercantile Exchange (NYMEX) or the Intercontinental Exchange (ICE). Derivative instruments classified in Level 2 include physical commodity derivatives that are valued using broker or dealer quotation services whose prices are derived principally from, or are corroborated by, observable market inputs. Also included in Level 2 are certain derivative instruments that have values that are similar to, and correlate with, quoted prices for exchange-traded instruments in active markets. Derivative instruments included in Level 3 are valued using generally unobservable inputs that are based upon the best information available and reflect management’s assumptions about how market participants would price the asset or liability. The Level 3 balances as of June 30, 2020, September 30, 2019, and June 30, 2019, consisted of gas commodity contracts. The Company’s and the Utilities’ policy is to recognize transfers between the levels of the fair value hierarchy, if any, as of the beginning of the interim reporting period in which circumstances change or events occur to cause the transfer.

The mutual funds are included in “Other Investments” on the Company’s balance sheets and in “Other Property and Investments” on Spire Missouri’s balance sheets. Derivative assets and liabilities, including receivables and payables associated with cash margin requirements, are presented net in the balance sheets when a legally enforceable netting agreement exists between the Company, Spire Missouri, or Spire Alabama and the counterparty to a derivative contract.

Spire

	Quoted Prices in Active Markets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Effects of Netting and Cash Margin Receivables /Payables			Total
As of June 30, 2020
ASSETS
Gas Utility:
U.S. stock/bond mutual funds	$	20.8	$	—	$	—	$	—		$	20.8
NYMEX/ICE natural gas contracts		1.8		—		—		(1.8	)		—
Gasoline and heating oil contracts		0.3		—		—		(0.3	)		—
Gas Marketing:
NYMEX/ICE natural gas contracts		—		20.1		—		(16.4	)		3.7
Natural gas commodity contracts		—		17.5		1.0		(6.4	)		12.1
Other:
U.S. stock/bond mutual funds		19.2		—		—		—			19.2
Total	$	42.1	$	37.6	$	1.0	$	(24.9	)	$	55.8
LIABILITIES
Gas Utility:
NYMEX/ICE natural gas contracts	$	7.2	$	—	$	—	$	(7.2	)	$	—
Gas Marketing:
NYMEX/ICE natural gas contracts		0.3		16.1		—		(16.4	)		—
Natural gas commodity contracts		—		16.7		—		(6.4	)		10.3
Other:
Interest rate swaps		—		66.1		—		—			66.1
Total	$	7.5	$	98.9	$	—	$	(30.0	)	$	76.4

	Quoted Prices in Active Markets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Effects of Netting and Cash Margin Receivables /Payables			Total
As of September 30, 2019
ASSETS
Gas Utility:
U.S. stock/bond mutual funds	$	20.5	$	—	$	—	$	—		$	20.5
Gas Marketing:
NYMEX/ICE natural gas contracts		0.9		6.5		—		(6.9	)		0.5
Natural gas commodity contracts		—		16.8		—		(2.5	)		14.3
Other:
U.S. stock/bond mutual funds		15.5		—		—		—			15.5
Total	$	36.9	$	23.3	$	—	$	(9.4	)	$	50.8
LIABILITIES
Gas Utility:
NYMEX/ICE natural gas contracts	$	12.3	$	—	$	—	$	(12.3	)	$	—
Gas Marketing:
NYMEX/ICE natural gas contracts		0.4		8.5		—		(8.9	)		—
Natural gas commodity contracts		—		13.8		0.1		(2.5	)		11.4
Other:
Interest rate swaps		—		43.4		—		—			43.4
Total	$	12.7	$	65.7	$	0.1	$	(23.7	)	$	54.8
As of June 30, 2019
ASSETS
Gas Utility:
U.S. stock/bond mutual funds	$	20.4	$	—	$	—	$	—		$	20.4
Gas Marketing:
NYMEX/ICE natural gas contracts		0.8		5.0		—		(5.5	)		0.3
Natural gas commodity contracts		—		22.0		—		(2.4	)		19.6
Other:
U.S. stock/bond mutual funds		16.6		—		—		—			16.6
Total	$	37.8	$	27.0	$	—	$	(7.9	)	$	56.9
LIABILITIES
Gas Utility:
NYMEX/ICE natural gas contracts	$	11.1	$	—	$	—	$	(11.1	)	$	—
Gas Marketing:
NYMEX/ICE natural gas contracts		0.7		5.4		—		(6.1	)		—
Natural gas commodity contracts		—		15.2		0.2		(2.4	)		13.0
Other:
Interest rate swaps		—		27.4		—		—			27.4
Total	$	11.8	$	48.0	$	0.2	$	(19.6	)	$	40.4

Spire Missouri

Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]

Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis

	Quoted Prices in Active Markets (Level 1)		Significant Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Effects of Netting and Cash Margin Receivables /Payables			Total
As of June 30, 2020
ASSETS
U.S. stock/bond mutual funds	$	20.8	$	—	$	—	$	—		$	20.8
NYMEX/ICE natural gas contracts		1.8		—		—		(1.8	)		—
Gasoline and heating oil contracts		0.3		—		—		(0.3	)		—
Total	$	22.9	$	—	$	—	$	(2.1	)	$	20.8
LIABILITIES
NYMEX/ICE natural gas contracts	$	7.2	$	—	$	—	$	(7.2	)	$	—
As of September 30, 2019
ASSETS
U.S. stock/bond mutual funds	$	20.5	$	—	$	—	$	—		$	20.5
LIABILITIES
NYMEX/ICE natural gas contracts	$	12.3	$	—	$	—	$	(12.3	)	$	—
As of June 30, 2019
ASSETS
U.S. stock/bond mutual funds	$	20.4	$	—	$	—	$	—		$	20.4
LIABILITIES
NYMEX/ICE natural gas contracts	$	11.1	$	—	$	—	$	(11.1	)	$	—

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Pension Plans and Other Postretirement Benefits (Tables)

9 Months Ended

Jun. 30, 2020

Pension Plans

Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]

Net periodic cost

The net periodic pension cost included the following components:

	Three Months Ended June 30,						Nine Months Ended June 30,
	2020			2019			2020			2019
Spire
Service cost – benefits earned during the period	$	5.7		$	4.8		$	16.8		$	14.5
Interest cost on projected benefit obligation*		5.5			7.1			17.2			21.2
Expected return on plan assets*		(8.5	)		(9.2	)		(26.7	)		(27.2	)
Amortization of prior service credit*		(0.6	)		(0.3	)		(1.8	)		(0.9	)
Amortization of actuarial loss*		3.3			2.3			10.9			6.9
Loss on lump-sum settlements*		2.3			—			23.3			—
Subtotal		7.7			4.7			39.7			14.5
Regulatory adjustment		7.4			10.1			5.7			29.8
Net pension cost	$	15.1		$	14.8		$	45.4		$	44.3
Spire Missouri
Service cost – benefits earned during the period	$	4.0		$	3.2		$	11.7		$	9.4
Interest cost on projected benefit obligation*		3.8			5.0			12.0			14.9
Expected return on plan assets*		(5.9	)		(6.5	)		(18.8	)		(19.2	)
Amortization of prior service cost*		—			0.2			0.1			0.6
Amortization of actuarial loss*		2.6			2.2			8.6			6.5
Loss on lump-sum settlements*		2.3			—			23.3			—
Subtotal		6.8			4.1			36.9			12.2
Regulatory adjustment		5.4			8.0			(0.1	)		23.9
Net pension cost	$	12.2		$	12.1		$	36.8		$	36.1
Spire Alabama
Service cost – benefits earned during the period	$	1.6		$	1.5		$	4.6		$	4.6
Interest cost on projected benefit obligation*		1.2			1.5			3.7			4.5
Expected return on plan assets*		(1.7	)		(1.8	)		(5.2	)		(5.4	)
Amortization of prior service credit*		(0.6	)		(0.5	)		(1.8	)		(1.4	)
Amortization of actuarial loss*		0.7			0.2			2.3			0.6
Subtotal		1.2			0.9			3.6			2.9
Regulatory adjustment		1.7			1.8			5.1			5.2
Net pension cost	$	2.9		$	2.7		$	8.7		$	8.1

* Denotes pension expense line items that are recorded below the operating income line in the income statements, in the line item “Other Income (Expense), Net.”

Other Postretirement Plans

Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]

Net periodic cost

Net periodic postretirement benefit costs consisted of the following components:

	Three Months Ended June 30,						Nine Months Ended June 30,
	2020			2019			2020			2019
Spire
Service cost – benefits earned during the period	$	1.5		$	1.8		$	4.4		$	5.5
Interest cost on accumulated postretirement benefit obligation*		1.5			2.3			4.6			6.7
Expected return on plan assets*		(4.1	)		(4.1	)		(12.3	)		(12.1	)
Amortization of prior service credit*		(0.1	)		—			(0.4	)		(0.1	)
Amortization of actuarial gain*		(0.6	)		(0.1	)		(1.6	)		(0.4	)
Subtotal		(1.8	)		(0.1	)		(5.3	)		(0.4	)
Regulatory adjustment		4.0			2.5			12.0			7.5
Net postretirement benefit cost	$	2.2		$	2.4		$	6.7		$	7.1
Spire Missouri
Service cost – benefits earned during the period	$	1.4		$	1.7		$	4.0		$	5.1
Interest cost on accumulated postretirement benefit obligation*		1.2			1.8			3.5			5.2
Expected return on plan assets*		(2.8	)		(2.8	)		(8.5	)		(8.3	)
Amortization of prior service (credit) cost*		(0.1	)		0.1			(0.2	)		0.2
Amortization of actuarial gain*		(0.6	)		(0.1	)		(1.6	)		(0.4	)
Subtotal		(0.9	)		0.7			(2.8	)		1.8
Regulatory adjustment		4.4			2.9			13.3			8.8
Net postretirement benefit cost	$	3.5		$	3.6		$	10.5		$	10.6
Spire Alabama
Service cost – benefits earned during the period	$	0.1		$	0.1		$	0.3		$	0.3
Interest cost on accumulated postretirement benefit obligation*		0.3			0.4			1.0			1.3
Expected return on plan assets*		(1.2	)		(1.2	)		(3.6	)		(3.6	)
Amortization of prior service credit*		—			(0.1	)		(0.2	)		(0.3	)
Subtotal		(0.8	)		(0.8	)		(2.5	)		(2.3	)
Regulatory adjustment		(0.4	)		(0.4	)		(1.3	)		(1.3	)
Net postretirement benefit income	$	(1.2	)	$	(1.2	)	$	(3.8	)	$	(3.6	)

* Denotes other postretirement expense line items that are recorded below the operating income line in the income statements, in the line item “Other Income (Expense), Net.”

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Information by Operating Segment (Tables)

9 Months Ended

Jun. 30, 2020

Segment Reporting [Abstract]

Schedule of Operating Segment Information

	Gas Utility		Gas Marketing			Other			Eliminations			Consolidated
Three Months Ended June 30, 2020
Operating Revenues:
Revenues from external customers	$	305.7	$	11.6		$	3.8		$	—		$	321.1
Intersegment revenues		0.3		—			11.6			(11.9	)		—
Total Operating Revenues		306.0		11.6			15.4			(11.9	)		321.1
Operating Expenses:
Gas Utility
Natural and propane gas		90.6		—			—			(19.9	)		70.7
Operation and maintenance		115.5		—			—			(3.0	)		112.5
Depreciation and amortization		47.8		—			—			—			47.8
Taxes, other than income taxes		31.7		—			—			—			31.7
Total Gas Utility Operating Expenses		285.6		—			—			(22.9	)		262.7
Impairments		—		—			148.6			—			148.6
Gas Marketing and Other		—		(6.6	)		11.9			11.0			16.3
Total Operating Expenses		285.6		(6.6	)		160.5			(11.9	)		427.6
Operating Income (Loss)	$	20.4	$	18.2		$	(145.1	)	$	—		$	(106.5	)
Net Economic Earnings (Loss)	$	8.4	$	0.1		$	(1.2	)	$	—		$	7.3

	Gas Utility		Gas Marketing			Other			Eliminations			Consolidated
Three Months Ended June 30, 2019
Operating Revenues:
Revenues from external customers	$	301.4	$	18.4		$	1.5		$	—		$	321.3
Intersegment revenues		0.2		(0.1	)		3.1			(3.2	)		—
Total Operating Revenues		301.6		18.3			4.6			(3.2	)		321.3
Operating Expenses:
Gas Utility
Natural and propane gas		88.1		—			—			(12.6	)		75.5
Operation and maintenance		113.4		—			—			(2.2	)		111.2
Depreciation and amortization		45.1		—			—			—			45.1
Taxes, other than income taxes		29.7		—			—			—			29.7
Total Gas Utility Operating Expenses		276.3		—			—			(14.8	)		261.5
Gas Marketing and Other		—		25.3			9.6			11.6			46.5
Total Operating Expenses		276.3		25.3			9.6			(3.2	)		308.0
Operating Income (Loss)	$	25.3	$	(7.0	)	$	(5.0	)	$	—		$	13.3
Net Economic Earnings (Loss)	$	7.6	$	3.3		$	(5.9	)	$	—		$	5.0

	Gas Utility		Gas Marketing		Other			Eliminations			Consolidated
Nine Months Ended June 30, 2020
Operating Revenues:
Revenues from external customers	$	1,515.4	$	77.2	$	10.9		$	—		$	1,603.5
Intersegment revenues		0.3		—		30.3			(30.6	)		—
Total Operating Revenues		1,515.7		77.2		41.2			(30.6	)		1,603.5
Operating Expenses:
Gas Utility
Natural and propane gas		603.7		—		—			(69.4	)		534.3
Operation and maintenance		319.9		—		—			(8.3	)		311.6
Depreciation and amortization		141.2		—		—			—			141.2
Taxes, other than income taxes		121.3		—		—			—			121.3
Total Gas Utility Operating Expenses		1,186.1		—		—			(77.7	)		1,108.4
Impairments		—		—		148.6			—			148.6
Gas Marketing and Other		—		59.0		34.1			47.1			140.2
Total Operating Expenses		1,186.1		59.0		182.7			(30.6	)		1,397.2
Operating Income (Loss)	$	329.6	$	18.2	$	(141.5	)	$	—		$	206.3
Net Economic Earnings (Loss)	$	221.8	$	11.3	$	(10.0	)	$	—		$	223.1
	Gas Utility		Gas Marketing		Other			Eliminations			Consolidated
Nine Months Ended June 30, 2019
Operating Revenues:
Revenues from external customers	$	1,651.9	$	69.6	$	5.3		$	—		$	1,726.8
Intersegment revenues		1.7		—		9.0			(10.7	)		—
Total Operating Revenues		1,653.6		69.6		14.3			(10.7	)		1,726.8
Operating Expenses:
Gas Utility
Natural and propane gas		746.6		—		—			(82.0	)		664.6
Operation and maintenance		330.3		—		—			(7.1	)		323.2
Depreciation and amortization		133.2		—		—			—			133.2
Taxes, other than income taxes		126.3		—		—			—			126.3
Total Gas Utility Operating Expenses		1,336.4		—		—			(89.1	)		1,247.3
Gas Marketing and Other		—		47.3		25.9			78.4			151.6
Total Operating Expenses		1,336.4		47.3		25.9			(10.7	)		1,398.9
Operating Income (Loss)	$	317.2	$	22.3	$	(11.6	)	$	—		$	327.9
Net Economic Earnings (Loss)	$	220.7	$	17.8	$	(19.7	)	$	—		$	218.8

The Company’s total assets by segment were as follows:

	June 30,			September 30,			June 30,
	2020			2019			2019
Total Assets:
Gas Utility	$	6,330.1		$	6,094.6		$	5,830.1
Gas Marketing		158.6			212.3			232.3
Other		2,324.8			2,692.7			2,537.4
Eliminations		(990.9	)		(1,380.4	)		(1,267.8	)
Total Assets	$	7,822.6		$	7,619.2		$	7,332.0

Schedule of Reconciliation of Consolidated Net Economic Earnings to Consolidated Net Income

The following table reconciles the Company’s net economic earnings to net income.

	Three Months Ended June 30,						Nine Months Ended June 30,
	2020			2019			2020			2019
Net Income	$	(92.3	)	$	(3.0	)	$	108.3		$	218.9
Adjustments, pre-tax:
Impairments		148.6			—			148.6			—
Provision for ISRS rulings		(4.8	)		—			—			—
Unrealized (gain) loss on energy-related derivatives		(18.5	)		8.0			(3.2	)		(3.3	)
Lower of cost or market inventory adjustments		—			2.7			—			2.7
Acquisition, divestiture and restructuring activities		—			—			—			0.4
Income tax effect of adjustments		(25.7	)		(2.7	)		(30.6	)		0.1
Net Economic Earnings	$	7.3		$	5.0		$	223.1		$	218.8

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Leases (Tables)

9 Months Ended

Jun. 30, 2020

Leases [Abstract]

Operating Lease Cost Cash Flow and Noncash Information

Operating lease cost, cash flow and noncash information for the three and nine months ended June 30, 2020 are shown in the following tables.

Three Months Ended June 30, 2020	Spire		Spire Missouri		Spire Alabama
Operating lease cost, including amounts capitalized	$	2.1	$	0.1	$	0.9
Cash flow and noncash information about operating leases:
Operating cash flows representing cash paid for amounts included in the measurement of lease liabilities		2.2		0.1		0.9
Right-of-use assets obtained in exchange for lease liabilities		—		—		—
Nine Months Ended June 30, 2020	Spire		Spire Missouri		Spire Alabama
Operating lease cost, including amounts capitalized	$	6.9	$	0.4	$	3.0
Cash flow and noncash information about operating leases:
Operating cash flows representing cash paid for amounts included in the measurement of lease liabilities		6.7		0.4		2.8
Right-of-use assets obtained in exchange for lease liabilities		71.1		2.1		10.0

Summary of Balance Sheet and Weighted-Average Information about Operating Leases

The following table shows balance sheet and weighted-average information about operating leases as of June 30, 2020.

	Balance sheet classification	Spire			Spire Missouri			Spire Alabama
Right-of-use assets	Deferred Charges and Other Assets: Other	$	66.2		$	1.8		$	7.2
Lease liabilities, current	Current Liabilities, Other		6.5			0.3			1.9
Lease liabilities, noncurrent	Deferred Credits and Other Liabilities: Other		59.5			1.4			5.1
Weighted-average remaining lease term		16.0 years			5.6 years			3.6 years
Weighted-average discount rate			4.2	%		2.5	%		2.2	%

Schedule of Maturity Analysis for Operating Lease Liabilities

Following is a maturity analysis by fiscal year for operating lease liabilities as of June 30, 2020.

	Spire			Spire Missouri			Spire Alabama
Remainder of 2020	$	1.2		$	0.1		$	0.3
2021		7.2			0.4			2.1
2022		7.2			0.4			2.1
2023		7.2			0.3			2.1
2024		5.8			0.3			0.7
2025		5.1			0.3			—
Thereafter		58.4			0.2			—
Total undiscounted lease payments		92.1			2.0			7.3
Less present value discount		(26.1	)		(0.3	)		(0.3	)
Total current and noncurrent lease liabilities	$	66.0		$	1.7		$	7.0

Schedule of Annual Minimum Rental Commitments for Operating Leases

As of September 30, 2019, the annual minimum rental commitments for operating leases (under ASC 840) were as follows.

	2020		2021		2022		2023		2024		Later		Total
Spire	$	8.2	$	7.0	$	6.8	$	6.1	$	4.8	$	36.5	$	69.4
Spire Missouri		0.5		0.2		—		—		—		—		0.7
Spire Alabama		2.9		2.1		2.1		2.1		0.7		—		9.9

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Summary of Significant Accounting Policies - Additional Information (Details) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2020 USD ($) Station	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2020 reporting_unit	Jun. 30, 2020 operating-segment	Jun. 30, 2019 USD ($)
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Number of reportable segments				2	2
Impairment charge of long-lived assets	$ 148.6	$ 0.0	$ 148.6			$ 0.0
Spire Storage West LLC ("Spire Storage") | Non-Utility Property
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Impairment charge of long-lived assets	$ 140.8
Number of commercial stations impaired | Station	2
Spire Storage West LLC ("Spire Storage") | Two Compressed Natural Gas Fueling Stations (Non-utility Property)
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Impairment charge of long-lived assets	$ 7.8
Spire Alabama | Affiliated Entity | Spire Marketing | Regulated Operation
New Accounting Pronouncements Or Change In Accounting Principle [Line Items]
Purchases of natural gas from related party	0.8		$ 5.1
Sales of natural gas to Spire Marketing Inc.	$ 0.3

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Summary of Significant Accounting Policies - Schedule of Inter-Company Transactions (Details) - Affiliated Entity - Spire Missouri - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Spire Marketing Inc | Regulated Operation
Related Party Transaction [Line Items]
Purchases of natural gas from Spire Marketing Inc.	$ 10.9	$ 12.3	$ 43.7	$ 81.3
Sales of natural gas to Spire Marketing Inc.		0.2		1.6
Spire STL Pipeline LLC | Unregulated Operation
Related Party Transaction [Line Items]
Transportation services received from	8.0		19.8
Spire NGL Inc. | Unregulated Operation
Related Party Transaction [Line Items]
Transportation services received from	$ 0.3	$ 0.3	$ 0.8	$ 0.8

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Summary of Significant Accounting Policies - Accrued Capital Expenditures (Details) - USD ($) $ in Millions	9 Months Ended		12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Sep. 30, 2019
Schedule Of Accrued Capital Expenditures Excluded From Statement Of Cash Flow [Line Items]
Accruals for capital expenditures	$ 54.4	$ 60.2	$ 80.6
Spire Missouri
Schedule Of Accrued Capital Expenditures Excluded From Statement Of Cash Flow [Line Items]
Accruals for capital expenditures	28.9	26.3	40.1
Spire Alabama
Schedule Of Accrued Capital Expenditures Excluded From Statement Of Cash Flow [Line Items]
Accruals for capital expenditures	$ 14.4	$ 9.0	$ 11.9

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Revenue - Schedule of Revenue Disaggregated by Source and Customer Type (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation Of Revenue [Line Items]
Total operating revenues	$ 305.7	$ 301.4	$ 1,515.4	$ 1,651.9
Total operating revenues	15.4	19.9	88.1	74.9
Total operating revenues	321.1	321.3	1,603.5	1,726.8
Intersegment Eliminations
Disaggregation Of Revenue [Line Items]
Total operating revenues	(11.9)	(3.2)	(30.6)	(10.7)
Gas Utility
Disaggregation Of Revenue [Line Items]
Total operating revenues	305.7	301.4	1,515.4	1,651.9
Gas Utility | Operating Segments
Disaggregation Of Revenue [Line Items]
Total operating revenues	306.0	301.6	1,515.7	1,653.6
Gas Utility | Intersegment Eliminations
Disaggregation Of Revenue [Line Items]
Total operating revenues	0.3	0.2	0.3	1.7
Gas Marketing
Disaggregation Of Revenue [Line Items]
Total operating revenues	11.6	18.4	77.2	69.6
Gas Marketing | Operating Segments
Disaggregation Of Revenue [Line Items]
Total operating revenues	11.6	18.3	77.2	69.6
Gas Marketing | Intersegment Eliminations
Disaggregation Of Revenue [Line Items]
Total operating revenues	0.0	(0.1)	0.0	0.0
Spire
Disaggregation Of Revenue [Line Items]
Total operating revenues	321.1	321.3	1,603.5	1,726.8
Spire | Operating Segments
Disaggregation Of Revenue [Line Items]
Total operating revenues	333.0	324.5	1,634.1	1,737.5
Spire | Intersegment Eliminations
Disaggregation Of Revenue [Line Items]
Total operating revenues	(11.9)	(3.2)	(30.6)	(10.7)
Spire | Gas Utility | Operating Segments
Disaggregation Of Revenue [Line Items]
Total operating revenues	306.0	298.7	1,513.4	1,670.6
Changes in accrued revenue under alternative revenue programs		2.9	2.3	(17.0)
Total operating revenues	306.0	301.6	1,515.7	1,653.6
Spire | Gas Utility | Operating Segments | Residential
Disaggregation Of Revenue [Line Items]
Total operating revenues	208.1	188.1	1,048.4	1,133.0
Spire | Gas Utility | Operating Segments | Commercial & Industrial
Disaggregation Of Revenue [Line Items]
Total operating revenues	57.5	68.5	336.8	384.7
Spire | Gas Utility | Operating Segments | Transportation
Disaggregation Of Revenue [Line Items]
Total operating revenues	26.1	25.6	89.6	86.4
Spire | Gas Utility | Operating Segments | Off-system & Other Incentive
Disaggregation Of Revenue [Line Items]
Total operating revenues	9.3	7.7	28.0	34.1
Spire | Gas Utility | Operating Segments | Other Customer Revenue
Disaggregation Of Revenue [Line Items]
Total operating revenues	5.0	8.8	10.6	32.4
Spire | Gas Marketing | Operating Segments
Disaggregation Of Revenue [Line Items]
Total operating revenues	11.6	18.3	77.2	69.6
Spire | Gas Marketing | Operating Segments | Revenue From Contracts With Retail Customers
Disaggregation Of Revenue [Line Items]
Total operating revenues	11.6	18.3	77.2	69.6
Spire | Other | Operating Segments
Disaggregation Of Revenue [Line Items]
Total operating revenues	$ 15.4	$ 4.6	$ 41.2	$ 14.3

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Revenue - Schedule of Operating Revenue Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation Of Revenue [Line Items]
Total Operating Revenues	$ 321.1	$ 321.3	$ 1,603.5	$ 1,726.8
Spire Missouri
Disaggregation Of Revenue [Line Items]
Total operating revenues	207.3	191.0	1,033.1	1,174.4
Changes in accrued revenue under alternative revenue programs	(3.4)	0.4	2.3	(13.2)
Total Operating Revenues	203.9	191.4	1,035.4	1,161.2
Spire Missouri | Residential
Disaggregation Of Revenue [Line Items]
Total operating revenues	153.2	133.4	760.2	846.4
Spire Missouri | Commercial & Industrial
Disaggregation Of Revenue [Line Items]
Total operating revenues	35.9	39.6	215.9	257.9
Spire Missouri | Transportation
Disaggregation Of Revenue [Line Items]
Total operating revenues	7.4	7.1	26.1	26.0
Spire Missouri | Off-system & Other Incentive
Disaggregation Of Revenue [Line Items]
Total operating revenues	7.6	7.7	26.3	34.1
Spire Missouri | Other Customer Revenue
Disaggregation Of Revenue [Line Items]
Total operating revenues	3.2	3.2	4.6	10.0
Spire Alabama
Disaggregation Of Revenue [Line Items]
Total operating revenues	80.1	88.5	395.2	408.2
Changes in accrued revenue under alternative revenue programs	1.1	2.3	(2.3)	(3.5)
Total Operating Revenues	81.2	90.8	392.9	404.7
Spire Alabama | Residential
Disaggregation Of Revenue [Line Items]
Total operating revenues	44.7	45.7	239.5	238.0
Spire Alabama | Commercial & Industrial
Disaggregation Of Revenue [Line Items]
Total operating revenues	17.1	21.6	94.6	97.1
Spire Alabama | Transportation
Disaggregation Of Revenue [Line Items]
Total operating revenues	16.2	16.3	55.7	53.3
Spire Alabama | Off-system & Other Incentive
Disaggregation Of Revenue [Line Items]
Total operating revenues	1.7		1.7
Spire Alabama | Other Customer Revenue
Disaggregation Of Revenue [Line Items]
Total operating revenues	$ 0.4	$ 4.9	$ 3.7	$ 19.8

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Revenue - Schedule of Gross Receipts Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Scheduleof Gross Receipts Taxes [Line Items]
Gross receipts taxes recorded in regulated gas distribution operating revenues	$ 17.2	$ 18.2	$ 79.7	$ 87.6
Spire Missouri
Scheduleof Gross Receipts Taxes [Line Items]
Gross receipts taxes recorded in regulated gas distribution operating revenues	12.1	12.5	55.5	63.1
Spire Alabama
Scheduleof Gross Receipts Taxes [Line Items]
Gross receipts taxes recorded in regulated gas distribution operating revenues	$ 4.2	$ 4.8	$ 20.3	$ 20.7

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Earnings Per Common Share - Schedule of Basic and Diluted Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Basic Earnings Per Common Share:
Net (Loss) Income	$ (92.3)	$ (3.0)	$ 108.3	$ 218.9
Less: Provision for preferred dividends	3.7	1.6	11.1	1.6
(Loss) income allocated to participating securities	(0.1)		0.2	0.5
Net (Loss) Income Available to Common Shareholders	$ (95.9)	$ (4.6)	$ 97.0	$ 216.8
Weighted Average Common Shares Outstanding (in millions)	51.2	50.7	51.1	50.6
Basic (Loss) Earnings Per Common Share	$ (1.87)	$ (0.09)	$ 1.90	$ 4.28
Diluted Earnings Per Common Share:
Net (Loss) Income	$ (92.3)	$ (3.0)	$ 108.3	$ 218.9
Less: Provision for preferred dividends	3.7	1.6	11.1	1.6
(Loss) income allocated to participating securities	(0.1)		0.2	0.5
(Loss) Income Available to Common Shareholders	$ (95.9)	$ (4.6)	$ 97.0	$ 216.8
Weighted Average Common Shares Outstanding (in millions)	51.2	50.7	51.1	50.6
Dilutive Effect of Restricted Stock and Restricted Stock Units (in millions)			0.1	0.2
Weighted Average Diluted Common Shares (in millions)	51.2	50.7	51.2	50.8
Diluted (Loss) Earnings Per Common Share	$ (1.87)	$ (0.09)	$ 1.90	$ 4.27

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Earnings Per Common Share - Schedule of Basic and Diluted Earnings Per Common Share (Parenthetical) (Details) - shares shares in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Restricted Stock and Restricted Stock Units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Outstanding common shares excluded from calculation of diluted EPS (in shares)	0.1	0.3	0.1	0.3

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Regulatory Matters - Schedule of Regulatory Assets and Liabilities, Reflected in Balance Sheets (Details) - USD ($) $ in Millions	Jun. 30, 2020	Sep. 30, 2019	Jun. 30, 2019
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, current	$ 70.2	$ 78.6	$ 79.0
Regulatory assets, non current	791.8	767.6	657.1
Total Regulatory Assets	862.0	846.2	736.1
Regulatory liabilities, current	58.8	60.8	31.3
Regulatory liabilities, non current	449.6	399.0	396.3
Total Regulatory Liabilities	508.4	459.8	427.6
Spire Missouri
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, current	29.5	29.4	30.2
Regulatory assets, non current	531.9	507.5	429.2
Total Regulatory Assets	561.4	536.9	459.4
Regulatory liabilities, current	50.8	52.3	23.4
Regulatory liabilities, non current	378.9	326.5	310.5
Total Regulatory Liabilities	429.7	378.8	333.9
Spire Alabama
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, current	23.4	33.9	33.9
Regulatory assets, non current	232.1	231.2	199.9
Total Regulatory Assets	255.5	265.1	233.8
Regulatory liabilities, current	2.5	3.4	3.4
Regulatory liabilities, non current	20.9	23.0	29.8
Total Regulatory Liabilities	23.4	26.4	33.2
Pension and Other Postretirement Benefits
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, current	30.1	30.1	30.1
Regulatory assets, non current	415.3	416.6	335.7
Pension and Other Postretirement Benefits | Spire Missouri
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, current	21.9	21.9	21.9
Regulatory assets, non current	340.6	333.3	269.8
Pension and Other Postretirement Benefits | Spire Alabama
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, current	7.2	7.3	7.3
Regulatory assets, non current	69.9	77.2	59.3
Unamortized Purchased Gas Adjustments
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, current	9.6	18.2	18.9
Regulatory assets, non current	0.0	9.1	0.0
Unamortized Purchased Gas Adjustments | Spire Missouri
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, current	0.1	0.0	0.8
Regulatory assets, non current	0.0	9.1	0.0
Unamortized Purchased Gas Adjustments | Spire Alabama
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, current	9.5	17.7	17.6
Other
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, current	30.5	30.3	30.0
Regulatory assets, non current	57.2	47.2	45.7
Other | Spire Missouri
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, current	7.5	7.5	7.5
Regulatory assets, non current	40.0	27.2	25.5
Other | Spire Alabama
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, current	6.7	8.9	9.0
Regulatory assets, non current	0.9	3.1	3.2
Future Income Taxes Due from Customers
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, non current	120.7	108.8	105.7
Future Income Taxes Due from Customers | Spire Missouri
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, non current	111.8	102.9	101.3
Future Income Taxes Due from Customers | Spire Alabama
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, non current	2.2	0.0	0.0
Accrued Cost of Removal
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, non current	160.4	150.9	137.4
Accrued Cost of Removal | Spire Missouri
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, non current	1.3	0.0	0.0
Accrued Cost of Removal | Spire Alabama
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, non current	159.1	150.9	137.4
Energy Efficiency
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, non current	38.2	35.0	32.6
Energy Efficiency | Spire Missouri
Regulatory Asset And Liabilities [Line Items]
Regulatory assets, non current	38.2	35.0	32.6
Pension and Other Postretirement Benefits
Regulatory Asset And Liabilities [Line Items]
Regulatory liabilities, current	5.8	5.8	5.8
Regulatory liabilities, non current	157.6	142.3	119.8
Pension and Other Postretirement Benefits | Spire Missouri
Regulatory Asset And Liabilities [Line Items]
Regulatory liabilities, current	3.6	3.6	3.6
Regulatory liabilities, non current	136.4	119.1	84.6
Pension and Other Postretirement Benefits | Spire Alabama
Regulatory Asset And Liabilities [Line Items]
Regulatory liabilities, current	2.2	2.2	2.3
Regulatory liabilities, non current	17.2	19.1	25.8
Unamortized Purchased Gas Adjustments
Regulatory Asset And Liabilities [Line Items]
Regulatory liabilities, current	21.1	26.2	3.3
Regulatory liabilities, non current	79.9	0.0	47.9
Unamortized Purchased Gas Adjustments | Spire Missouri
Regulatory Asset And Liabilities [Line Items]
Regulatory liabilities, current	20.0	25.4	2.5
Regulatory liabilities, non current	79.9	0.0	47.9
Other
Regulatory Asset And Liabilities [Line Items]
Regulatory liabilities, current	31.9	28.8	22.2
Regulatory liabilities, non current	29.3	35.3	29.9
Other | Spire Missouri
Regulatory Asset And Liabilities [Line Items]
Regulatory liabilities, current	27.2	23.3	17.3
Regulatory liabilities, non current	23.6	29.2	24.1
Other | Spire Alabama
Regulatory Asset And Liabilities [Line Items]
Regulatory liabilities, current	0.3	1.2	1.1
Regulatory liabilities, non current	3.7	3.9	4.0
Deferred Taxes Due to Customers
Regulatory Asset And Liabilities [Line Items]
Regulatory liabilities, non current	156.4	179.8	152.9
Deferred Taxes Due to Customers | Spire Missouri
Regulatory Asset And Liabilities [Line Items]
Regulatory liabilities, non current	139.0	162.5	135.5
Accrued Cost of Removal
Regulatory Asset And Liabilities [Line Items]
Regulatory liabilities, non current	26.4	41.6	45.8
Accrued Cost of Removal | Spire Missouri
Regulatory Asset And Liabilities [Line Items]
Regulatory liabilities, non current	$ 0.0	$ 15.7	$ 18.4

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Regulatory Matters - Schedule of Regulatory Assets Not Earning a Return (Details) - USD ($) $ in Millions	Jun. 30, 2020	Sep. 30, 2019	Jun. 30, 2019
Regulatory Assets [Line Items]
Total Regulatory Assets Not Earning a Return	$ 366.3	$ 334.2	$ 262.3
Pension and Other Postretirement Benefits
Regulatory Assets [Line Items]
Total Regulatory Assets Not Earning a Return	234.7	211.1	142.1
Future Income Taxes Due from Customers
Regulatory Assets [Line Items]
Total Regulatory Assets Not Earning a Return	118.4	108.8	105.7
Other
Regulatory Assets [Line Items]
Total Regulatory Assets Not Earning a Return	13.2	14.3	14.5
Spire Missouri
Regulatory Assets [Line Items]
Total Regulatory Assets Not Earning a Return	359.7	328.3	257.9
Spire Missouri | Pension and Other Postretirement Benefits
Regulatory Assets [Line Items]
Total Regulatory Assets Not Earning a Return	234.7	211.1	142.1
Spire Missouri | Future Income Taxes Due from Customers
Regulatory Assets [Line Items]
Total Regulatory Assets Not Earning a Return	111.8	102.9	101.3
Spire Missouri | Other
Regulatory Assets [Line Items]
Total Regulatory Assets Not Earning a Return	$ 13.2	$ 14.3	$ 14.5

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Regulatory Matters - Additional Information (Details) - USD ($) $ in Millions					1 Months Ended	3 Months Ended		6 Months Ended	9 Months Ended		12 Months Ended
	Aug. 04, 2020	Nov. 16, 2019	May 25, 2019	Apr. 25, 2018	Dec. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2020	Jun. 30, 2020	Jun. 30, 2019	Sep. 30, 2019	Mar. 24, 2020
Public Utilities, General Disclosures [Line Items]
Remaining recovery period for certain regulatory assets for which no return on investment during recovery period is provided (in years)									20 years
Remaining recovery period for regulatory assets for which no return on investment during recovery period is provided (in years)									15 years
Customer refund applied to provision accrued						$ (4.8)	$ 0.0		$ 0.0	$ 0.0
APSC | Spire Alabama
Public Utilities, General Disclosures [Line Items]
Requested rate increase					$ 5.9
Gas supply adjustment decrease on annual basis									13.9
Regulatory preferred stock and debt securities issuance, amount authorized												$ 150.0
GPSC | Spire Gulf
Public Utilities, General Disclosures [Line Items]
Requested rate increase					$ 1.6
Infrastructure System Replacement Surcharge | MoPSC
Public Utilities, General Disclosures [Line Items]
Approved rate increase (decrease), costs from buildings sold in 2014 excluded from rate base				$ (1.8)
Rate case expenses				(0.9)
Infrastructure System Replacement Surcharge | MoPSC | Spire Missouri
Public Utilities, General Disclosures [Line Items]
Approved rate authorized future annualized revenue									$ 40.3
Payment of customer refund						15.0
Customer refund applied to provision accrued								$ 4.8			$ 12.2
Remaining balance impacts revenue and earnings						2.8
Accrued provision reversal amount						$ 2.0
Annual authorized revenue		$ 8.8	$ 12.4
Infrastructure System Replacement Surcharge | MoPSC | Spire Missouri | Subsequent Event
Public Utilities, General Disclosures [Line Items]
Approved rate authorized future annualized revenue	$ 8.7
Pension Cost | Infrastructure System Replacement Surcharge | MoPSC
Public Utilities, General Disclosures [Line Items]
Regulatory assets recovery				$ (28.8)

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Financing Arrangements and Long-term Debt - Additional Information (Details)						9 Months Ended
	Jun. 16, 2020 USD ($)	Mar. 26, 2020 USD ($) bank	Dec. 23, 2019 USD ($)	Dec. 02, 2019 USD ($)	Nov. 12, 2019 USD ($)	Jun. 30, 2020 USD ($)	Dec. 14, 2016 bank
Line of Credit Facility [Line Items]
Long-term Debt						$ 975,000,000.0
Private Placement | Spire STL Pipeline LLC
Line of Credit Facility [Line Items]
Debt term			9 years 2 months 12 days
Long-term debt			$ 135,000,000.0
Stated interest rate			2.95%
Debt instrument, payment terms						Interest is payable semi-annually at 2.95%, and principal repayment is scheduled annually in accordance with a 15-year amortization schedule with an average life of 9.2 years.
Debt instrument, amortization period			15 years
Debt instrument, interest rate			2.95%
Liabilities | Lender Concentration Risk
Line of Credit Facility [Line Items]
Line of credit facility, number of banks in agreement | bank							11
Spire
Line of Credit Facility [Line Items]
Term loan bear interest rate per annum						2.00%
Short-term borrowings used to support lending to Utilities						$ 324,500,000
Spire | Term Loan
Line of Credit Facility [Line Items]
Line of credit facility, number of banks in agreement | bank		2
Long-term Debt		$ 150,000,000.0
Debt instrument, maturity date		Mar. 25, 2021
Team loan interest rate description						The term loan bears interest at the LIBOR Rate (as defined in the loan agreement) plus 0.85% per annum.
Term loan bear interest rate per annum						2.10%
Spire | Term Loan | LIBOR
Line of Credit Facility [Line Items]
Term loan bear interest rate per annum		0.85%
Spire Missouri | 2.84% Series, due November 15, 2029
Line of Credit Facility [Line Items]
Debt instrument, maturity date					Nov. 15, 2029
Long-term debt					$ 275,000,000.0
Stated interest rate					2.84%
Debt instrument, interest rate					2.84%
Spire Missouri | Floating-Rate Note
Line of Credit Facility [Line Items]
Repayment of long-term debt					$ 100,000,000.0
Spire Missouri | First mortgage bonds 7% series, due 2029
Line of Credit Facility [Line Items]
Stated interest rate	7.00%
Repayment of long-term debt	$ 5,700,000
Debt instrument, interest rate	7.00%
Debt instrument maturity year	2029
Spire Missouri | First mortgage bonds 6% series, due 2034
Line of Credit Facility [Line Items]
Stated interest rate	6.00%
Repayment of long-term debt	$ 800,000
Debt instrument, interest rate	6.00%
Debt instrument maturity year	2034
Spire Missouri | First mortgage bonds 6.15% series, due 2036
Line of Credit Facility [Line Items]
Stated interest rate	6.15%
Repayment of long-term debt	$ 500,000
Debt instrument, interest rate	6.15%
Debt instrument maturity year	2036
Spire Missouri | First mortgage bonds 4.625% series, due 2043
Line of Credit Facility [Line Items]
Stated interest rate	4.625%
Repayment of long-term debt	$ 100,000
Debt instrument, interest rate	4.625%
Debt instrument maturity year	2043
Spire Alabama | Senior Notes | Series 2019B Senior Notes due 2029 | Private Placement
Line of Credit Facility [Line Items]
Debt instrument, maturity date				Dec. 01, 2029
Long-term debt				$ 100,000,000.0
Stated interest rate				2.88%
Debt instrument, payment terms						Interest is payable semi-annually.
Debt instrument, interest rate				2.88%
Revolving Credit Facility Borrowings
Line of Credit Facility [Line Items]
Line of credit facility borrowing capacity						$ 975,000,000.0
Minimum required ratio of earnings before interest, taxes, depreciation, and amortization (EBITDA) times interest expense as required by the line of credit covenant						70.00%
Revolving Credit Facility Borrowings | Maximum
Line of Credit Facility [Line Items]
Debt to total capitalization ratio						0.60
Revolving Credit Facility Borrowings | Spire
Line of Credit Facility [Line Items]
Line of credit facility borrowing capacity						$ 300,000,000.0
Term loan bear interest rate per annum						1.90%
Revolving Credit Facility Borrowings | Spire Missouri
Line of Credit Facility [Line Items]
Line of credit facility borrowing capacity						$ 475,000,000.0
Term loan bear interest rate per annum						1.90%
Revolving Credit Facility Borrowings | Spire Alabama
Line of Credit Facility [Line Items]
Line of credit facility borrowing capacity						$ 200,000,000.0
Term loan bear interest rate per annum						0.60%
Commercial Paper Notes
Line of Credit Facility [Line Items]
Line of credit facility borrowing capacity						$ 975,000,000.0
Debt term						365 days
Commercial Paper Notes | Spire
Line of Credit Facility [Line Items]
Term loan bear interest rate per annum						2.00%

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Financing Arrangements and Long-term Debt - Schedule of Spire Missouri and Alabama Short-term Borrowings (Details) - USD ($) $ in Millions	9 Months Ended
	Jun. 30, 2020	Sep. 30, 2019	Jun. 30, 2019
Spire Alabama | Spire Note
Short-term Debt [Line Items]
Weighted average borrowings	$ 86.0
Lowest borrowings outstanding	18.5
Highest borrowings outstanding	$ 161.3
Weighted average interest rate	1.80%
Borrowings outstanding	$ 85.6	$ 128.7	$ 79.6
Weighted average interest rate	0.50%	2.30%	2.70%
Spire Alabama | Revolving Credit Facility Borrowings
Short-term Debt [Line Items]
Weighted average borrowings	$ 6.1
Highest borrowings outstanding	$ 50.0
Weighted average interest rate	0.60%
Spire Missouri | Spire Note
Short-term Debt [Line Items]
Weighted average borrowings	$ 240.4
Lowest borrowings outstanding	16.0
Highest borrowings outstanding	$ 429.5
Weighted average interest rate	1.90%
Borrowings outstanding	$ 218.3	$ 386.4	$ 281.5
Weighted average interest rate	0.50%	2.30%	2.70%
Spire Missouri | Revolving Credit Facility Borrowings
Short-term Debt [Line Items]
Weighted average borrowings	$ 23.9
Highest borrowings outstanding	$ 185.1
Weighted average interest rate	1.90%
Spire
Short-term Debt [Line Items]
Weighted average borrowings	$ 581.7
Lowest borrowings outstanding	432.6
Highest borrowings outstanding	$ 856.6
Weighted average interest rate	2.00%
Borrowings outstanding	$ 477.6	$ 743.2	$ 434.0
Weighted average interest rate	0.90%	2.30%	2.70%
Spire | Term Loan
Short-term Debt [Line Items]
Weighted average borrowings	$ 53.1
Highest borrowings outstanding	$ 150.0
Weighted average interest rate	2.10%
Borrowings outstanding	$ 150.0
Weighted average interest rate	1.20%
Spire | Revolving Credit Facility Borrowings
Short-term Debt [Line Items]
Weighted average borrowings	$ 0.1
Highest borrowings outstanding	$ 23.1
Weighted average interest rate	1.90%
Spire | Commercial Paper Notes
Short-term Debt [Line Items]
Weighted average borrowings	$ 498.5
Lowest borrowings outstanding	73.5
Highest borrowings outstanding	$ 856.6
Weighted average interest rate	2.00%
Borrowings outstanding	$ 327.6	$ 743.2	$ 434.0
Weighted average interest rate	0.50%	2.30%	2.70%

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Financing Arrangements and Long-term Debt - Summary of Net of Capitalized Interest (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Spire Missouri
Line of Credit Facility [Line Items]
Interest expense, net	$ 0.2	$ 0.5	$ 0.8	$ 1.4
Spire Alabama
Line of Credit Facility [Line Items]
Interest expense, net	0.4		1.4
Spire
Line of Credit Facility [Line Items]
Interest expense, net	$ 1.2	$ 2.0	$ 4.8	$ 4.6

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Fair Value of Financial Instruments - Summary of Financial Instruments Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Jun. 30, 2020	Sep. 30, 2019	Jun. 30, 2019
Quoted Prices in Active Markets (Level 1)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	$ 7.4	$ 5.8	$ 5.8
Quoted Prices in Active Markets (Level 1) | Spire Missouri
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	0.7	2.6	3.7
Significant Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable	477.6	743.2	434.0
Long-term debt, including current portion	2,875.5	2,373.4	2,363.1
Significant Observable Inputs (Level 2) | Spire Missouri
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable – associated companies	218.3	386.4	281.5
Long-term debt, including current portion	1,303.2	1,065.2	1,027.6
Significant Observable Inputs (Level 2) | Spire Alabama
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable – associated companies	85.6	128.7	79.6
Long-term debt, including current portion	572.3	474.8	450.2
Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	7.4	5.8	5.8
Notes payable	477.6	743.2	434.0
Long-term debt, including current portion	2,483.7	2,122.6	2,207.3
Carrying Amount | Spire Missouri
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	0.7	2.6	3.7
Notes payable – associated companies	218.3	386.4	281.5
Long-term debt, including current portion	1,091.9	925.0	924.8
Carrying Amount | Spire Alabama
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable – associated companies	85.6	128.7	79.6
Long-term debt, including current portion	471.8	412.2	412.1
Fair Value
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	7.4	5.8	5.8
Notes payable	477.6	743.2	434.0
Long-term debt, including current portion	2,875.5	2,373.4	2,363.1
Fair Value | Spire Missouri
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	0.7	2.6	3.7
Notes payable – associated companies	218.3	386.4	281.5
Long-term debt, including current portion	1,303.2	1,065.2	1,027.6
Fair Value | Spire Alabama
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Notes payable – associated companies	85.6	128.7	79.6
Long-term debt, including current portion	$ 572.3	$ 474.8	$ 450.2

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Fair Value Measurements - Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($) $ in Millions	Jun. 30, 2020	Sep. 30, 2019	Jun. 30, 2019
ASSETS
Effects of netting and cash margin receivables/payables	$ (24.9)	$ (9.4)	$ (7.9)
Derivative asset after the effects of netting	55.8	50.8	56.9
LIABILITIES
Effects of netting and cash margin receivables/payables	(30.0)	(23.7)	(19.6)
Derivative liability after the effects of netting	76.4	54.8	40.4
Spire Missouri
ASSETS
Effects of netting and cash margin receivables/payables	(2.1)
Derivative asset after the effects of netting	20.8
U.S. stock/bond mutual funds | Spire Missouri
ASSETS
Effects of netting and cash margin receivables/payables	0.0	0.0	0.0
Derivative asset after the effects of netting	20.8	20.5	20.4
NYMEX/ICE natural gas contracts | Spire Missouri
ASSETS
Effects of netting and cash margin receivables/payables	(1.8)
Derivative asset after the effects of netting	0.0
LIABILITIES
Effects of netting and cash margin receivables/payables	(7.2)	(12.3)	(11.1)
Derivative liability after the effects of netting	0.0	0.0	0.0
Gasoline and heating oil contracts | Spire Missouri
ASSETS
Effects of netting and cash margin receivables/payables	(0.3)
Derivative asset after the effects of netting	0.0
Other | U.S. stock/bond mutual funds
ASSETS
Effects of netting and cash margin receivables/payables	0.0	0.0	0.0
Derivative asset after the effects of netting	19.2	15.5	16.6
Other | Interest rate swaps
LIABILITIES
Effects of netting and cash margin receivables/payables	0.0	0.0	0.0
Derivative liability after the effects of netting	66.1	43.4	27.4
Gas Utility | Operating Segments | U.S. stock/bond mutual funds
ASSETS
Effects of netting and cash margin receivables/payables	0.0	0.0	0.0
Derivative asset after the effects of netting	20.8	20.5	20.4
Gas Utility | Operating Segments | NYMEX/ICE natural gas contracts
ASSETS
Effects of netting and cash margin receivables/payables	(1.8)
Derivative asset after the effects of netting	0.0
LIABILITIES
Effects of netting and cash margin receivables/payables	(7.2)	(12.3)	(11.1)
Derivative liability after the effects of netting	0.0	0.0	0.0
Gas Utility | Operating Segments | Gasoline and heating oil contracts
ASSETS
Effects of netting and cash margin receivables/payables	(0.3)
Derivative asset after the effects of netting	0.0
Gas Marketing | Operating Segments | NYMEX/ICE natural gas contracts
ASSETS
Effects of netting and cash margin receivables/payables	(16.4)	(6.9)	(5.5)
Derivative asset after the effects of netting	3.7	0.5	0.3
LIABILITIES
Effects of netting and cash margin receivables/payables	(16.4)	(8.9)	(6.1)
Derivative liability after the effects of netting	0.0	0.0	0.0
Gas Marketing | Operating Segments | Natural gas commodity contracts
ASSETS
Effects of netting and cash margin receivables/payables	(6.4)	(2.5)	(2.4)
Derivative asset after the effects of netting	12.1	14.3	19.6
LIABILITIES
Effects of netting and cash margin receivables/payables	(6.4)	(2.5)	(2.4)
Derivative liability after the effects of netting	10.3	11.4	13.0
Quoted Prices in Active Markets (Level 1)
ASSETS
Derivative asset before effects of netting	42.1	36.9	37.8
LIABILITIES
Derivative liability before effects of netting	7.5	12.7	11.8
Quoted Prices in Active Markets (Level 1) | Spire Missouri
ASSETS
Derivative asset before effects of netting	22.9
Quoted Prices in Active Markets (Level 1) | U.S. stock/bond mutual funds | Spire Missouri
ASSETS
Derivative asset before effects of netting	20.8	20.5	20.4
Quoted Prices in Active Markets (Level 1) | NYMEX/ICE natural gas contracts | Spire Missouri
ASSETS
Derivative asset before effects of netting	1.8
LIABILITIES
Derivative liability before effects of netting	7.2	12.3	11.1
Quoted Prices in Active Markets (Level 1) | Gasoline and heating oil contracts | Spire Missouri
ASSETS
Derivative asset before effects of netting	0.3
Quoted Prices in Active Markets (Level 1) | Other | U.S. stock/bond mutual funds
ASSETS
Derivative asset before effects of netting	19.2	15.5	16.6
Quoted Prices in Active Markets (Level 1) | Other | Interest rate swaps
LIABILITIES
Derivative liability before effects of netting	0.0	0.0	0.0
Quoted Prices in Active Markets (Level 1) | Gas Utility | Operating Segments | U.S. stock/bond mutual funds
ASSETS
Derivative asset before effects of netting	20.8	20.5	20.4
Quoted Prices in Active Markets (Level 1) | Gas Utility | Operating Segments | NYMEX/ICE natural gas contracts
ASSETS
Derivative asset before effects of netting	1.8
LIABILITIES
Derivative liability before effects of netting	7.2	12.3	11.1
Quoted Prices in Active Markets (Level 1) | Gas Utility | Operating Segments | Gasoline and heating oil contracts
ASSETS
Derivative asset before effects of netting	0.3
Quoted Prices in Active Markets (Level 1) | Gas Marketing | Operating Segments | NYMEX/ICE natural gas contracts
ASSETS
Derivative asset before effects of netting	0.0	0.9	0.8
LIABILITIES
Derivative liability before effects of netting	0.3	0.4	0.7
Quoted Prices in Active Markets (Level 1) | Gas Marketing | Operating Segments | Natural gas commodity contracts
ASSETS
Derivative asset before effects of netting	0.0	0.0	0.0
LIABILITIES
Derivative liability before effects of netting	0.0	0.0	0.0
Significant Observable Inputs (Level 2)
ASSETS
Derivative asset before effects of netting	37.6	23.3	27.0
LIABILITIES
Derivative liability before effects of netting	98.9	65.7	48.0
Significant Observable Inputs (Level 2) | Spire Missouri
ASSETS
Derivative asset before effects of netting	0.0
Significant Observable Inputs (Level 2) | U.S. stock/bond mutual funds | Spire Missouri
ASSETS
Derivative asset before effects of netting	0.0	0.0	0.0
Significant Observable Inputs (Level 2) | NYMEX/ICE natural gas contracts | Spire Missouri
ASSETS
Derivative asset before effects of netting	0.0
LIABILITIES
Derivative liability before effects of netting	0.0	0.0	0.0
Significant Observable Inputs (Level 2) | Gasoline and heating oil contracts | Spire Missouri
ASSETS
Derivative asset before effects of netting	0.0
Significant Observable Inputs (Level 2) | Other | U.S. stock/bond mutual funds
ASSETS
Derivative asset before effects of netting	0.0	0.0	0.0
Significant Observable Inputs (Level 2) | Other | Interest rate swaps
LIABILITIES
Derivative liability before effects of netting	66.1	43.4	27.4
Significant Observable Inputs (Level 2) | Gas Utility | Operating Segments | U.S. stock/bond mutual funds
ASSETS
Derivative asset before effects of netting	0.0	0.0	0.0
Significant Observable Inputs (Level 2) | Gas Utility | Operating Segments | NYMEX/ICE natural gas contracts
ASSETS
Derivative asset before effects of netting	0.0
LIABILITIES
Derivative liability before effects of netting	0.0	0.0	0.0
Significant Observable Inputs (Level 2) | Gas Utility | Operating Segments | Gasoline and heating oil contracts
ASSETS
Derivative asset before effects of netting	0.0
Significant Observable Inputs (Level 2) | Gas Marketing | Operating Segments | NYMEX/ICE natural gas contracts
ASSETS
Derivative asset before effects of netting	20.1	6.5	5.0
LIABILITIES
Derivative liability before effects of netting	16.1	8.5	5.4
Significant Observable Inputs (Level 2) | Gas Marketing | Operating Segments | Natural gas commodity contracts
ASSETS
Derivative asset before effects of netting	17.5	16.8	22.0
LIABILITIES
Derivative liability before effects of netting	16.7	13.8	15.2
Significant Unobservable Inputs (Level 3)
ASSETS
Derivative asset before effects of netting	1.0	0.0	0.0
LIABILITIES
Derivative liability before effects of netting	0.0	0.1	0.2
Significant Unobservable Inputs (Level 3) | Spire Missouri
ASSETS
Derivative asset before effects of netting	0.0
Significant Unobservable Inputs (Level 3) | U.S. stock/bond mutual funds | Spire Missouri
ASSETS
Derivative asset before effects of netting	0.0	0.0	0.0
Significant Unobservable Inputs (Level 3) | NYMEX/ICE natural gas contracts | Spire Missouri
ASSETS
Derivative asset before effects of netting	0.0
LIABILITIES
Derivative liability before effects of netting	0.0	0.0	0.0
Significant Unobservable Inputs (Level 3) | Gasoline and heating oil contracts | Spire Missouri
ASSETS
Derivative asset before effects of netting	0.0
Significant Unobservable Inputs (Level 3) | Other | U.S. stock/bond mutual funds
ASSETS
Derivative asset before effects of netting	0.0	0.0	0.0
Significant Unobservable Inputs (Level 3) | Other | Interest rate swaps
LIABILITIES
Derivative liability before effects of netting	0.0	0.0	0.0
Significant Unobservable Inputs (Level 3) | Gas Utility | Operating Segments | U.S. stock/bond mutual funds
ASSETS
Derivative asset before effects of netting	0.0	0.0	0.0
Significant Unobservable Inputs (Level 3) | Gas Utility | Operating Segments | NYMEX/ICE natural gas contracts
ASSETS
Derivative asset before effects of netting	0.0
LIABILITIES
Derivative liability before effects of netting	0.0	0.0	0.0
Significant Unobservable Inputs (Level 3) | Gas Utility | Operating Segments | Gasoline and heating oil contracts
ASSETS
Derivative asset before effects of netting	0.0
Significant Unobservable Inputs (Level 3) | Gas Marketing | Operating Segments | NYMEX/ICE natural gas contracts
ASSETS
Derivative asset before effects of netting	0.0	0.0	0.0
LIABILITIES
Derivative liability before effects of netting	0.0	0.0	0.0
Significant Unobservable Inputs (Level 3) | Gas Marketing | Operating Segments | Natural gas commodity contracts
ASSETS
Derivative asset before effects of netting	1.0	0.0	0.0
LIABILITIES
Derivative liability before effects of netting	$ 0.0	$ 0.1	$ 0.2

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Fair Value Measurements - Additional Information (Details) - USD ($)	Jun. 30, 2020	Sep. 30, 2019	Jun. 30, 2019
Spire Alabama
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Outstanding derivative contracts	$ 0	$ 0	$ 0

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Pension Plans and Other Postretirement Benefits - Schedule of Net Periodic Cost (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Pension Plans
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost – benefits earned during the period	$ 5.7	$ 4.8	$ 16.8	$ 14.5
Interest cost on projected benefit obligation	5.5	7.1	17.2	21.2
Expected return on plan assets	(8.5)	(9.2)	(26.7)	(27.2)
Amortization of prior service (credit) cost	(0.6)	(0.3)	(1.8)	(0.9)
Amortization of actuarial (gain) loss	3.3	2.3	10.9	6.9
Loss on lump-sum settlements	2.3		23.3
Subtotal	7.7	4.7	39.7	14.5
Regulatory adjustment	7.4	10.1	5.7	29.8
Net pension cost	15.1	14.8	45.4	44.3
Other Postretirement Plans
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost – benefits earned during the period	1.5	1.8	4.4	5.5
Interest cost on projected benefit obligation	1.5	2.3	4.6	6.7
Expected return on plan assets	(4.1)	(4.1)	(12.3)	(12.1)
Amortization of prior service (credit) cost	(0.1)		(0.4)	(0.1)
Amortization of actuarial (gain) loss	(0.6)	(0.1)	(1.6)	(0.4)
Subtotal	(1.8)	(0.1)	(5.3)	(0.4)
Regulatory adjustment	4.0	2.5	12.0	7.5
Net pension cost	2.2	2.4	6.7	7.1
Spire Missouri | Pension Plans
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost – benefits earned during the period	4.0	3.2	11.7	9.4
Interest cost on projected benefit obligation	3.8	5.0	12.0	14.9
Expected return on plan assets	(5.9)	(6.5)	(18.8)	(19.2)
Amortization of prior service (credit) cost		0.2	0.1	0.6
Amortization of actuarial (gain) loss	2.6	2.2	8.6	6.5
Loss on lump-sum settlements	2.3		23.3
Subtotal	6.8	4.1	36.9	12.2
Regulatory adjustment	5.4	8.0	(0.1)	23.9
Net pension cost	12.2	12.1	36.8	36.1
Spire Missouri | Other Postretirement Plans
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost – benefits earned during the period	1.4	1.7	4.0	5.1
Interest cost on projected benefit obligation	1.2	1.8	3.5	5.2
Expected return on plan assets	(2.8)	(2.8)	(8.5)	(8.3)
Amortization of prior service (credit) cost	(0.1)	0.1	(0.2)	0.2
Amortization of actuarial (gain) loss	(0.6)	(0.1)	(1.6)	(0.4)
Subtotal	(0.9)	0.7	(2.8)	1.8
Regulatory adjustment	4.4	2.9	13.3	8.8
Net pension cost	3.5	3.6	10.5	10.6
Spire Alabama | Pension Plans
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost – benefits earned during the period	1.6	1.5	4.6	4.6
Interest cost on projected benefit obligation	1.2	1.5	3.7	4.5
Expected return on plan assets	(1.7)	(1.8)	(5.2)	(5.4)
Amortization of prior service (credit) cost	(0.6)	(0.5)	(1.8)	(1.4)
Amortization of actuarial (gain) loss	0.7	0.2	2.3	0.6
Subtotal	1.2	0.9	3.6	2.9
Regulatory adjustment	1.7	1.8	5.1	5.2
Net pension cost	2.9	2.7	8.7	8.1
Spire Alabama | Other Postretirement Plans
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost – benefits earned during the period	0.1	0.1	0.3	0.3
Interest cost on projected benefit obligation	0.3	0.4	1.0	1.3
Expected return on plan assets	(1.2)	(1.2)	(3.6)	(3.6)
Amortization of prior service (credit) cost		(0.1)	(0.2)	(0.3)
Subtotal	(0.8)	(0.8)	(2.5)	(2.3)
Regulatory adjustment	(0.4)	(0.4)	(1.3)	(1.3)
Net pension cost	$ (1.2)	$ (1.2)	$ (3.8)	$ (3.6)

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Pension Plans and Other Postretirement Benefits - Additional Information (Details) - USD ($)	3 Months Ended	9 Months Ended
	Jun. 30, 2020	Jun. 30, 2020	Sep. 30, 2019
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]
Medical insurance available until age is reached after early retirement		65 years
Other Postretirement Benefits Plan
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]
Settlement benefits paid	$ 6,000,000.0	$ 59,100,000
Settlement loss	$ 2,300,000	21,000,000.0
Employer contributions		$ 9,100,000
Other Postretirement Benefits Plan | Spire Missouri
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount rates	3.00%	3.00%	3.20%
Anticipated contributions to pension plans for qualified trust		$ 7,800,000
Other Postretirement Benefits Plan | Spire Missouri | Qualified Plan
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contributions		20,900,000
Other Postretirement Benefits Plan | Spire Missouri | Nonqualified Plan
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contributions		0
Other Postretirement Benefits Plan | Spire Alabama
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]
Anticipated contributions to pension plans for qualified trust		3,600,000
Other Postretirement Benefits Plan | Spire Missouri
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contributions		0
Anticipated contributions to pension plans for qualified trust		0
Other Postretirement Benefits Plan | Spire Alabama
Defined Benefit Plans And Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contributions		0
Anticipated contributions to pension plans for qualified trust		$ 0

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Information by Operating Segment - Additional Information (Details) - 9 months ended Jun. 30, 2020	reporting_unit	operating-segment
Segment Reporting [Abstract]
Number of reportable segments	2	2

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Information by Operating Segment - Schedule of Operating Segment Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Sep. 30, 2019
Operating Segment Information [Abstract]
Total Operating Revenues	$ 321.1	$ 321.3	$ 1,603.5	$ 1,726.8
Gas Utility
Natural and propane gas	70.7	75.5	534.3	664.6
Operation and maintenance	112.5	111.2	311.6	323.2
Depreciation and amortization	47.8	45.1	141.2	133.2
Taxes, other than income taxes	31.7	29.7	121.3	126.3
Total Gas Utility Operating Expenses	262.7	261.5	1,108.4	1,247.3
Impairments	148.6	0.0	148.6	0.0
Gas Marketing and other	16.3	46.5	140.2	151.6
Total Operating Expenses	427.6	308.0	1,397.2	1,398.9
Operating (Loss) Income	(106.5)	13.3	206.3	327.9
Net Economic Earnings (Loss)	7.3	5.0	223.1	218.8
Total Assets	7,822.6	7,332.0	7,822.6	7,332.0	$ 7,619.2
Eliminations
Operating Segment Information [Abstract]
Total Operating Revenues	(11.9)	(3.2)	(30.6)	(10.7)
Gas Utility
Natural and propane gas	(19.9)	(12.6)	(69.4)	(82.0)
Operation and maintenance	(3.0)	(2.2)	(8.3)	(7.1)
Depreciation and amortization	0.0	0.0	0.0	0.0
Taxes, other than income taxes	0.0	0.0	0.0	0.0
Total Gas Utility Operating Expenses	(22.9)	(14.8)	(77.7)	(89.1)
Impairments	0.0		0.0
Gas Marketing and other	11.0	11.6	47.1	78.4
Total Operating Expenses	(11.9)	(3.2)	(30.6)	(10.7)
Operating (Loss) Income	0.0	0.0	0.0	0.0
Net Economic Earnings (Loss)	0.0	0.0	0.0	0.0
Total Assets	(990.9)	(1,267.8)	(990.9)	(1,267.8)	(1,380.4)
Gas Utility
Operating Segment Information [Abstract]
Total Operating Revenues	305.7	301.4	1,515.4	1,651.9
Gas Utility | Eliminations
Operating Segment Information [Abstract]
Total Operating Revenues	0.3	0.2	0.3	1.7
Gas Utility | Operating Segments
Operating Segment Information [Abstract]
Total Operating Revenues	306.0	301.6	1,515.7	1,653.6
Gas Utility
Natural and propane gas	90.6	88.1	603.7	746.6
Operation and maintenance	115.5	113.4	319.9	330.3
Depreciation and amortization	47.8	45.1	141.2	133.2
Taxes, other than income taxes	31.7	29.7	121.3	126.3
Total Gas Utility Operating Expenses	285.6	276.3	1,186.1	1,336.4
Impairments	0.0		0.0
Gas Marketing and other	0.0	0.0	0.0	0.0
Total Operating Expenses	285.6	276.3	1,186.1	1,336.4
Operating (Loss) Income	20.4	25.3	329.6	317.2
Net Economic Earnings (Loss)	8.4	7.6	221.8	220.7
Total Assets	6,330.1	5,830.1	6,330.1	5,830.1	6,094.6
Gas Marketing
Operating Segment Information [Abstract]
Total Operating Revenues	11.6	18.4	77.2	69.6
Gas Marketing | Eliminations
Operating Segment Information [Abstract]
Total Operating Revenues	0.0	(0.1)	0.0	0.0
Gas Marketing | Operating Segments
Operating Segment Information [Abstract]
Total Operating Revenues	11.6	18.3	77.2	69.6
Gas Utility
Natural and propane gas	0.0	0.0	0.0	0.0
Operation and maintenance	0.0	0.0	0.0	0.0
Depreciation and amortization	0.0	0.0	0.0	0.0
Taxes, other than income taxes	0.0	0.0	0.0	0.0
Total Gas Utility Operating Expenses	0.0	0.0	0.0	0.0
Impairments	0.0		0.0
Gas Marketing and other	(6.6)	25.3	59.0	47.3
Total Operating Expenses	(6.6)	25.3	59.0	47.3
Operating (Loss) Income	18.2	(7.0)	18.2	22.3
Net Economic Earnings (Loss)	0.1	3.3	11.3	17.8
Total Assets	158.6	232.3	158.6	232.3	212.3
Corporate, Non-Segment
Operating Segment Information [Abstract]
Total Operating Revenues	3.8	1.5	10.9	5.3
Corporate, Non-Segment | Eliminations
Operating Segment Information [Abstract]
Total Operating Revenues	11.6	3.1	30.3	9.0
Corporate, Non-Segment | Operating Segments
Operating Segment Information [Abstract]
Total Operating Revenues	15.4	4.6	41.2	14.3
Gas Utility
Natural and propane gas	0.0	0.0	0.0	0.0
Operation and maintenance	0.0	0.0	0.0	0.0
Depreciation and amortization	0.0	0.0	0.0	0.0
Taxes, other than income taxes	0.0	0.0	0.0	0.0
Total Gas Utility Operating Expenses	0.0	0.0	0.0	0.0
Impairments	148.6		148.6
Gas Marketing and other	11.9	9.6	34.1	25.9
Total Operating Expenses	160.5	9.6	182.7	25.9
Operating (Loss) Income	(145.1)	(5.0)	(141.5)	(11.6)
Net Economic Earnings (Loss)	(1.2)	(5.9)	(10.0)	(19.7)
Total Assets	$ 2,324.8	$ 2,537.4	$ 2,324.8	$ 2,537.4	$ 2,692.7

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Information by Operating Segment - Reconciliation of Consolidated Net Economic Earnings to Consolidated Net Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting [Abstract]
Net (Loss) Income	$ (92.3)	$ (3.0)	$ 108.3	$ 218.9
Impairments	148.6	0.0	148.6	0.0
Provision for ISRS rulings	(4.8)	0.0	0.0	0.0
Unrealized (gain) loss on energy-related derivatives	(18.5)	8.0	(3.2)	(3.3)
Lower of cost or market inventory adjustments	0.0	2.7	0.0	2.7
Acquisition, divestiture and restructuring activities	0.0	0.0	0.0	0.4
Income tax effect of adjustments	(25.7)	(2.7)	(30.6)	0.1
Net Economic Earnings	$ 7.3	$ 5.0	$ 223.1	$ 218.8

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Commitments and Contingencies - Additional Information - Commitments (Details) $ in Millions	9 Months Ended
	Jun. 30, 2020 USD ($)
Long-term Purchase Commitment [Line Items]
Minimum total payments required for natural gas contracts	$ 1,947.6
Spire Missouri
Long-term Purchase Commitment [Line Items]
Minimum total payments required for natural gas contracts	1,330.2
Spire Alabama
Long-term Purchase Commitment [Line Items]
Minimum total payments required for natural gas contracts	$ 151.5

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Commitments and Contingencies - Additional Information - Contingencies (Details) - site	Jun. 30, 2020	Sep. 30, 2013
Spire Missouri East
Site Contingency [Line Items]
Number of former manufactured gas plant (MGP) sites in Missouri	3
Number of sites enrolled in Brownfields/Voluntary clean up program	2
Spire Missouri East | Previous Ownership
Site Contingency [Line Items]
Number of former manufactured gas plant (MGP)		19
Spire Missouri West | Previous Ownership
Site Contingency [Line Items]
Number of former manufactured gas plant (MGP)	7
Spire Alabama
Site Contingency [Line Items]
Number of former manufactured gas plant (MGP)	9
Number of former manufactured gas distribution	5
Spire Alabama | Current Ownership
Site Contingency [Line Items]
Number of former manufactured gas plant (MGP)	4
Number of former manufactured gas distribution	1

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Leases - Additional Information (Details)	9 Months Ended
	Jun. 30, 2020
Lessee Lease Description [Line Items]
Operating lease, existence of option to extend	true
Operating lease, option to extend	The lease agreement covering Spire Marketing and Spire Storage office space in Houston extends through December 2028, with options to terminate three years earlier or to renew for an additional five years
Operating lease extend period	2028-12
Operating lease, renewal term	5 years
Operating lease, existence of option to terminate	true
Operating lease, existence of option to terminate period	with options to terminate three years
Spire Missouri
Lessee Lease Description [Line Items]
Operating lease, existence of option to extend	true
Operating lease, option to extend	The lease agreement covering the Company’s primary office space in St. Louis extends through February 2035, with an option to renew for an additional five years
Operating lease extend period	2035-02
Operating lease, renewal term	5 years
Spire Alabama
Lessee Lease Description [Line Items]
Operating lease, existence of option to extend	true
Operating lease, option to extend	Spire Alabama’s lease agreement for office space in Birmingham extends through January 2024.
Operating lease extend period	2024-01

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Leases - Operating Lease Cost Cash Flow and Noncash Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Jun. 30, 2020	Jun. 30, 2020
Lessee Lease Description [Line Items]
Operating lease cost, including amounts capitalized	$ 2.1	$ 6.9
Cash flow and noncash information about operating leases:
Operating cash flows representing cash paid for amounts included in the measurement of lease liabilities	2.2	6.7
Right-of-use assets obtained in exchange for lease liabilities		71.1
Spire Missouri Inc
Lessee Lease Description [Line Items]
Operating lease cost, including amounts capitalized	0.1	0.4
Cash flow and noncash information about operating leases:
Operating cash flows representing cash paid for amounts included in the measurement of lease liabilities	0.1	0.4
Right-of-use assets obtained in exchange for lease liabilities		2.1
Spire Alabama
Lessee Lease Description [Line Items]
Operating lease cost, including amounts capitalized	0.9	3.0
Cash flow and noncash information about operating leases:
Operating cash flows representing cash paid for amounts included in the measurement of lease liabilities	$ 0.9	2.8
Right-of-use assets obtained in exchange for lease liabilities		$ 10.0

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Leases - Summary of Balance Sheet and Weighted-Average Information about Operating Leases (Details) $ in Millions	Jun. 30, 2020 USD ($)
Lessee Lease Description [Line Items]
Right-of-use assets	$ 66.2
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssetsNoncurrent
Lease liabilities, current	$ 6.5
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesCurrent
Lease liabilities, noncurrent	$ 59.5
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent
Weighted-average remaining lease term	16 years
Weighted-average discount rate	4.20%
Spire Missouri Inc
Lessee Lease Description [Line Items]
Right-of-use assets	$ 1.8
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssetsNoncurrent
Lease liabilities, current	$ 0.3
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesCurrent
Lease liabilities, noncurrent	$ 1.4
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent
Weighted-average remaining lease term	5 years 7 months 6 days
Weighted-average discount rate	2.50%
Spire Alabama
Lessee Lease Description [Line Items]
Right-of-use assets	$ 7.2
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	us-gaap:OtherAssetsNoncurrent
Lease liabilities, current	$ 1.9
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesCurrent
Lease liabilities, noncurrent	$ 5.1
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent
Weighted-average remaining lease term	3 years 7 months 6 days
Weighted-average discount rate	2.20%

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Leases - Schedule of Maturity Analysis for Operating Lease Liabilities (Details) $ in Millions	Jun. 30, 2020 USD ($)
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
Remainder of 2020	$ 1.2
2021	7.2
2022	7.2
2023	7.2
2024	5.8
2025	5.1
Thereafter	58.4
Total undiscounted lease payments	92.1
Less present value discount	(26.1)
Total current and noncurrent lease liabilities	66.0
Spire Missouri Inc
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
Remainder of 2020	0.1
2021	0.4
2022	0.4
2023	0.3
2024	0.3
2025	0.3
Thereafter	0.2
Total undiscounted lease payments	2.0
Less present value discount	(0.3)
Total current and noncurrent lease liabilities	1.7
Spire Alabama
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
Remainder of 2020	0.3
2021	2.1
2022	2.1
2023	2.1
2024	0.7
Total undiscounted lease payments	7.3
Less present value discount	(0.3)
Total current and noncurrent lease liabilities	$ 7.0

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Leases - Schedule of Annual Minimum Rental Commitments for Operating Leases (Details) $ in Millions	Sep. 30, 2019 USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2020	$ 8.2
2021	7.0
2022	6.8
2023	6.1
2024	4.8
Later	36.5
Total	69.4
Spire Missouri Inc
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2020	0.5
2021	0.2
Total	0.7
Spire Alabama
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2020	2.9
2021	2.1
2022	2.1
2023	2.1
2024	0.7
Total	$ 9.9