10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

ý QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended September 30, 2017

or

¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from                      to                     

Commission File Number 001-35782

SUNCOKE ENERGY PARTNERS, L.P.

(Exact name of Registrant as specified in its charter)

Delaware	35-2451470
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

1011 Warrenville Road, Suite 600

Lisle, Illinois 60532

(630) 824-1000

(Registrant’s telephone number, including area code)

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

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).     ý  Yes    ¨  No

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

Large accelerated filer	¨		Accelerated filer	ý
Non-accelerated filer	¨	(Do not check if a smaller reporting company)	Smaller reporting company	¨
			Emerging growth company	ý
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.				¨

Indicate by check mark whether the Registrant is a shell company (as defined in Rule 12b-2 of the Act).    Yes  ¨    No  ý

The registrant had 46,225,899 common units outstanding at October 20, 2017.

SUNCOKE ENERGY PARTNERS, L.P.

TABLE OF CONTENTS

PART I - FINANCIAL INFORMATION
Item 1. Consolidated Financial Statements	1
Consolidated Statements of Operations (Unaudited) For the Nine Months Ended September 30, 2017 and 2016	1
Consolidated Balance Sheets at September 30, 2017 (Unaudited) and December 31, 2016	2
Consolidated Statements of Cash Flows (Unaudited) For the Nine Months Ended September 30, 2017 and 2016	3
Consolidated Statement of Equity (Unaudited) For the Nine Months Ended September 30, 2017	4
Notes to the Consolidated Financial Statements	5
1. General	5
2. Related Party Transactions and Agreements	6
3. Cash Distributions and Net Income Per Unit	7
4. Inventories	9
5. Goodwill and Other Intangible Assets	10
6. Income Taxes	10
7. Debt and Financing Obligation	11
8. Commitments and Contingent Liabilities	12
9. Fair Value Measurements	13
10. Business Segment Disclosures	13
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations	17
Item 3. Quantitative and Qualitative Disclosures About Market Risk	31
Item 4. Controls and Procedures	31
PART II - OTHER INFORMATION
Item 1. Legal Proceedings	32
Item 1A. Risk Factors	32
Item 2. Unregistered Sale of Equity Securities and Use of Proceeds	32
Item 4. Mine Safety Disclosures	32
Item 6. Exhibits	33
Signature	34

PART I - FINANCIAL INFORMATION

Item 1. Consolidated Financial Statements

SunCoke Energy Partners, L.P.

Consolidated Statements of Operations

(Unaudited)

	Three Months Ended September 30,					Nine Months Ended September 30,
	2017		2016			2017			2016
	(Dollars and units in millions, except per unit amounts)
Revenues
Sales and other operating revenue	$	214.0	$	185.5		$	610.2		$	561.4
Costs and operating expenses
Cost of products sold and operating expenses	146.2		125.5			431.0			388.3
Selling, general and administrative expenses	7.4		9.0			24.4			28.5
Depreciation and amortization expense	20.2		18.1			63.3			57.3
Total costs and operating expenses	173.8		152.6			518.7			474.1
Operating income	40.2		32.9			91.5			87.3
Interest expense, net	15.1		11.5			41.7			35.7
Loss (gain) on extinguishment of debt	0.1		(1.0		)	20.0			(24.9		)
Income before income tax expense	25.0		22.4			29.8			76.5
Income tax expense	1.7		0.4			150.7			1.4
Net income (loss)	23.3		22.0			(120.9		)	75.1
Less: Net income (loss) attributable to noncontrolling interests	0.7		0.7			(1.3		)	1.9
Net income (loss) attributable to SunCoke Energy Partners, L.P.	$	22.6	$	21.3		$	(119.6	)	$	73.2
General partner's interest in net income	$	1.9	$	1.8		$	1.8		$	13.6
Limited partners' interest in net income (loss)	$	20.7	$	19.5		$	(121.4	)	$	59.6
Net income (loss) per common unit (basic and diluted)	$	0.45	$	0.42		$	(2.63	)	$	1.29
Weighted average common units outstanding (basic and diluted)	46.2		46.2			46.2			46.2

(See Accompanying Notes)

1

SunCoke Energy Partners, L.P.

Consolidated Balance Sheets

	September 30, 2017		December 31, 2016
	(Unaudited)
	(Dollars in millions)
Assets
Cash and cash equivalents	$	26.9	$	41.8
Receivables	46.0		39.7
Receivables from affiliate, net	2.6		—
Inventories	85.3		66.9
Other current assets	5.2		1.6
Total current assets	166.0		150.0
Properties, plants and equipment (net of accumulated depreciation of $405.5 million and $352.6 million at September 30, 2017 and December 31, 2016, respectively)	1,268.6		1,294.9
Goodwill	73.5		73.5
Other intangible assets, net	168.9		176.7
Deferred charges and other assets	0.8		0.9
Total assets	$	1,677.8	$	1,696.0
Liabilities and Equity
Accounts payable	$	69.5	$	47.0
Accrued liabilities	14.5		11.7
Deferred revenue	16.6		2.5
Current portion of long-term debt and financing obligation	2.6		4.9
Interest payable	17.0		14.7
Payable to affiliate, net	—		4.7
Total current liabilities	120.2		85.5
Long-term debt and financing obligation	816.3		805.7
Deferred income taxes	188.3		37.9
Other deferred credits and liabilities	10.0		13.2
Total liabilities	1,134.8		942.3
Equity
Held by public:
Common units(issued 18,829,226 and 20,800,181 units at September 30, 2017 and December 31, 2016, respectively)	185.2		296.9
Held by parent:
Common units (issued 27,396,673 and 25,415,696 units at September 30, 2017 and December 31, 2016, respectively)	318.5		410.3
General partner interest	27.9		32.1
Partners' capital attributable to SunCoke Energy Partners, L.P.	531.6		739.3
Noncontrolling interest	11.4		14.4
Total equity	543.0		753.7
Total liabilities and equity	$	1,677.8	$	1,696.0

(See Accompanying Notes)

2

SunCoke Energy Partners, L.P.

Consolidated Statements of Cash Flows

(Unaudited)

	Nine Months Ended September 30,
	2017			2016
	(Dollars in millions)
Cash Flows from Operating Activities:
Net (loss) income	$	(120.9	)	$	75.1
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization expense	63.3			57.3
Deferred income tax expense	150.4			0.2
Loss (gain) on extinguishment of debt	20.0			(24.9		)
Changes in working capital pertaining to operating activities:
Receivables	(6.3		)	2.1
Receivables (payables) from affiliate, net	(5.9		)	6.2
Inventories	(18.4		)	9.2
Accounts payable	16.6			5.0
Accrued liabilities	2.8			1.2
Deferred revenue	14.1			25.5
Interest payable	2.3			(11.2		)
Other	(5.3		)	(5.7		)
Net cash provided by operating activities	112.7			140.0
Cash Flows from Investing Activities:
Capital expenditures	(23.3		)	(30.1		)
Decrease in restricted cash	0.1			17.0
Other investing activities	—			2.1
Net cash used in investing activities	(23.2		)	(11.0		)
Cash Flows from Financing Activities:
Proceeds from issuance of long-term debt	620.6			—
Repayment of long-term debt	(644.9		)	(60.8		)
Proceeds from financing obligation	—			16.2
Repayment of financing obligation	(1.8		)	(0.5		)
Proceeds from revolving credit facility	268.0			20.0
Repayment of revolving credit facility	(240.0		)	(25.0		)
Debt issuance costs	(14.9		)	(0.2		)
Distributions to unitholders (public and parent)	(89.7		)	(86.8		)
Distributions to noncontrolling interest (SunCoke Energy, Inc.)	(1.7		)	(2.8		)
Capital contributions from SunCoke	—			8.4
Net cash used in financing activities	(104.4		)	(131.5		)
Net decrease in cash and cash equivalents	(14.9		)	(2.5		)
Cash and cash equivalents at beginning of period	41.8			48.6
Cash and cash equivalents at end of period	$	26.9		$	46.1
Supplemental Disclosure of Cash Flow Information
Interest paid	$	38.3		$	49.8

(See Accompanying Notes)

3

SunCoke Energy Partners, L.P.

Consolidated Statement of Equity

(Unaudited)

		Common - Public			Common - SunCoke			General Partner - SunCoke			Noncontrolling Interest			Total
	(Dollars in millions)
At December 31, 2016		$	296.9		$	410.3		$	32.1		$	14.4		$	753.7
Partnership net loss		(55.2		)	(66.2		)	1.8			(1.3		)	(120.9		)
Distribution to unitholders, net of unit issuances		(35.8		)	(46.3		)	(6.0		)	—			(88.1		)
Distributions to noncontrolling interest		—			—			—			(1.7		)	(1.7		)
Public units acquired by SunCoke		(20.7		)	20.7			—			—			—
At September 30, 2017		$	185.2		$	318.5		$	27.9		$	11.4		$	543.0

(See Accompanying Notes)

4

SunCoke Energy Partners, L.P.

Notes to the Consolidated Financial Statements

1. General

Description of Business

SunCoke Energy Partners, L.P., (the "Partnership", "we", "our", and "us"), is a Delaware limited partnership formed inJuly 2012, which primarily produces coke used in the blast furnace production of steel. At September 30, 2017, we owned a 98 percentinterest in Haverhill Coke Company LLC ("Haverhill"), Middletown Coke Company, LLC ("Middletown") and Gateway Energy and Coke Company, LLC ("Granite City"). The remaining 2.0 percent ownership interest in our three cokemaking facilities was owned by SunCoke Energy, Inc. ("SunCoke"). We also own a logistics business, which provides handling and/or mixing services of coal and other aggregates to third-party customers as well as to our own cokemaking facilities and other SunCoke cokemaking facilities. Our logistics business consists of Convent Marine Terminal ("CMT"), Kanawha River Terminals, LLC ("KRT") and SunCoke Lake Terminal, LLC ("Lake Terminal"). At September 30, 2017, SunCoke, through a subsidiary, owned a 58.1 percent limited partnership interest in us and indirectly owned and controlled our general partner, which holds a 2.0 percent general partner interest in us and all of our incentive distribution rights ("IDR").

Organized in Delaware in 2012 and headquartered in Lisle, Illinois, we became a publicly-traded partnership in 2013 and our stock is listed on the New York Stock Exchange (“NYSE”) under the symbol “SXCP.”

Basis of Presentation

The accompanying unaudited consolidated financial statements included herein have been prepared in conformity with accounting principles generally accepted in the United States ("GAAP") for interim reporting. Certain information and disclosures normally included in financial statements have been omitted pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC"). In management’s opinion, the financial statements reflect all adjustments, which are of a normal recurring nature, necessary for a fair presentation of the results of operations, financial position and cash flows for the periods presented. The results of operations for the periods ended September 30, 2017 are not necessarily indicative of the operating results for the full year. These unaudited interim consolidated financial statements and notes should be read in conjunction with the audited consolidated financial statements and notes included in our Annual Report on Form 10-K for the year ended December 31, 2016.

New Accounting Pronouncements

In May 2014, Financial Accounting Standards Board ("FASB") Accounting Standards Update ("ASU") 2014-09, “Revenue from Contracts with Customers (Topic 606),” which supersedes the revenue recognition requirements in “Revenue Recognition (Topic 605),” and requires entities to recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. Subsequently, the FASB has issued various ASUs to provide further clarification around certain aspects of ASC 606. This standard will be effective for annual reporting periods beginning after December 15, 2017, including interim periods within that reporting period, and early adoption is permitted on a limited basis. Our implementation team has gained an understanding of the standard’s revenue recognition model and is completing the analysis and documentation of our contract details for impacts under the new revenue recognition model. While we are currently evaluating the impact of the standard, we expect the timing of our revenue recognition to generally remain the same under the new standard on an annual basis. Deferred revenue at CMT may be recognized on a more accelerated basis during quarterly periods within the year based on facts and circumstances considered at each quarter under the new guidance. The Partnership expects to adopt this standard on January 1, 2018 using the modified retrospective method.

In February 2016, the FASB issued ASU 2016-02, "Leases (Topic 842)." ASU 2016-02 requires lessees to recognize assets and liabilities on the balance sheet for the rights and obligations created by all leases with terms of more than 12 months. It is effective for annual and interim periods in fiscal years beginning after December 15, 2018, with early adoption permitted. The standard requires the use of a modified retrospective transition method. A multi-disciplined implementation team has gained an understanding of the accounting and disclosure provisions of the standard and is in the process of analyzing the impacts to our business, including the development of new accounting processes to account for our leases and support the required disclosures. While we are still evaluating the impact of adopting this standard, we expect upon adoption the right-of-use assets and lease liabilities, such as various plant equipment rentals and the lease of our corporate office space, will increase the reported assets and liabilities on our Consolidated Balance Sheets. The Partnership expects to adopt this standard on January 1, 2019.

5

2. Related Party Transactions and Agreements

Transactions with Affiliate

Our logistics business provides coal handling and mixing services to certain SunCoke cokemaking operations. Coal Logistics recorded revenues derived from services provided to SunCoke’s cokemaking operations of $2.2 million and $6.8 million for the three and nine months ended September 30, 2017, respectively, and $2.5 million and $7.7 million for the three and nine months ended September 30, 2016, respectively. Additionally, Domestic Coke purchased coal from SunCoke and its affiliates totaling $1.6 million and $3.8 million during the three and nine months ended September 30, 2016, respectively.

Allocated Expenses

SunCoke charges us for all direct costs and expenses incurred on our behalf and allocated costs associated with support services provided to our operations. Allocated expenses from SunCoke for general corporate and operations support costs totaled $6.8 million and $20.7 million for the three and nine months ended September 30, 2017, respectively, and $6.5 million and $20.4 million for three and nine months ended September 30, 2016, respectively, and were included in selling, general and administrative expenses on the Consolidated Statements of Operations. These costs include legal, accounting, tax, treasury, engineering, information technology, insurance, employee benefit costs, communications, human resources, and procurement. Corporate allocations are recorded in accordance with the terms of our omnibus agreement with SunCoke and our general partner.

During the second quarter of 2017, the Partnership reimbursed SunCoke $7.0 million and $1.4 million for corporate allocated costs and IDR cash distributions, respectively, previously deferred in the second quarter of 2016. These amounts were included in payable to affiliate, net on the Consolidated Balance Sheets as of December 31, 2016.

Omnibus Agreement

In connection with the closing of our initial public offering on January 24, 2013 ("IPO"), we entered into an omnibus agreement with SunCoke and our general partner that addresses certain aspects of our relationship with them, including:

Business Opportunities. We have preferential rights to invest in, acquire and construct cokemaking facilities in the United States ("U.S.") and Canada. SunCoke has preferential rights to all other business opportunities.

Potential Defaults by Coke Agreement Counterparties. For a period of five years from the closing date of the IPO, SunCoke has agreed to make us whole (including an obligation to pay for coke) to the extent (i) AK Steel Holding Corporation ("AK Steel") exercises the early termination right provided in its Haverhill coke sales agreement, (ii) any customer fails to purchase coke or defaults in payment under its coke sales agreement (other than by reason of force majeure or our default) or (iii) we amend a coke sales agreement's terms to reduce a customer's purchase obligation as a result of the customer's financial distress. We and SunCoke will share in any damages and other amounts recovered from third-parties arising from such events in proportion to our relative losses.

Environmental Indemnity. SunCoke will indemnify us to the full extent of any remediation losses at the Haverhill and Middletown cokemaking facilities arising from any environmental matter discovered and identified as requiring remediation prior to the closing of the IPO. In addition, SunCoke will indemnify us for remediation losses at the Granite City cokemaking facility arising from any environmental matter discovered and identified as requiring remediation prior to the closing of the January 2015 dropdown of a 75 percent interest in Granite City ("Granite City Dropdown"). If, prior to the fifth anniversary of the closing of the IPO, a pre-existing environmental matter is identified as requiring remediation, SunCoke will indemnify us for up to $50.0 million of any such remediation costs (we will bear the first $5.0 million of any such costs).

Other Indemnification. SunCoke will fully indemnify us with respect to any additional tax liability related to periods prior to or in connection with the closing of the IPO or the Granite City Dropdown to the extent not currently presented on the Consolidated Balance Sheets. Additionally, SunCoke will either cure or fully indemnify us for losses resulting from any material title defects at the properties owned by the entities acquired in connection with the closing of the IPO or the Granite City Dropdown to the extent that those defects interfere with or could reasonably be expected to interfere with the operations of the related cokemaking facilities. We will indemnify SunCoke for events relating to our operations except to the extent that we are entitled to indemnification by SunCoke.

License. SunCoke has granted us a royalty-free license to use the name “SunCoke” and related marks. Additionally, SunCoke has granted us a non-exclusive right to use all of SunCoke's current and future cokemaking and related technology. We have not paid and will not pay a separate license fee for the rights we receive under the license.

Expenses and Reimbursement. SunCoke will continue to provide us with certain corporate and other services, and we will reimburse SunCoke for all direct costs and expenses incurred on our behalf and a portion of corporate and other costs and expenses attributable to our operations.

6

So long as SunCoke controls our general partner, the omnibus agreement will remain in full force and effect unless mutually terminated by the parties. If SunCoke ceases to control our general partner, the omnibus agreement will terminate, but our rights to indemnification and use of SunCoke's existing cokemaking and related technology will survive. The omnibus agreement can be amended by written agreement of all parties to the agreement, but we may not agree to any amendment that would, in the reasonable discretion of our general partner, be adverse in any material respect to the holders of our common units without prior approval of the conflicts committee.

3. Cash Distributions and Net Income Per Unit

Cash Distributions

Our partnership agreement generally provides that we will make cash distributions, if any, each quarter in the following manner:

• first, 98 percent to the holders of common units and 2 percent to our general partner, until each common unit has received the minimum quarterly distribution of $0.412500 plus any arrearages from prior quarters and

• second,98 percent to all unitholders, pro rata, and 2 percent to our general partner, until each unit has received a distribution of $0.474375.

If cash distributions to our unitholders exceed $0.474375 per unit in any quarter, our unitholders and our general partner will receive distributions according to the following percentage allocations:

	Total Quarterly Distribution Per Unit Target Amount		Marginal Percentage Interest in Distributions
			Unitholders	General Partner
Minimum Quarterly Distribution	$0.412500		98%	2%
First Target Distribution	above $0.412500	up to $0.474375	98%	2%
Second Target Distribution	above $0.474375	up to $0.515625	85%	15%
Third Target Distribution	above $0.515625	up to $0.618750	75%	25%
Thereafter	above $0.618750		50%	50%

Our distributions are declared subsequent to quarter end. The table below represents total cash distributions applicable to the period in which the distributions were earned:

Earned in Quarter Ended	Total Quarterly Distribution Per Unit		Total Cash Distribution including general partners IDRs		Date of Distribution	Unitholders Record Date
			(Dollars in millions)
June 30, 2016	$	0.5940	$	29.5	September 1, 2016	August 15, 2016
September 30, 2016	$	0.5940	$	29.5	December 1, 2016	November 15, 2016
December 31, 2016	$	0.5940	$	29.5	March 1, 2017	February 15, 2017
March 31, 2017	$	0.5940	$	29.5	June 1, 2017	May 15, 2017
June 30, 2017	$	0.5940	$	29.5	September 1, 2017	August 15, 2017
September 30, 2017(1)	$	0.5940	$	29.5	December 1, 2017	November 15, 2017

(1) On October 17, 2017, our Board of Directors declared a cash distribution of $0.5940 per unit, which will be paid on December 1, 2017, to unitholders of record on November 15, 2017.

Allocation of Net Income

Our partnership agreement contains provisions for the allocation of net income to the unitholders and the general partner. For purposes of maintaining partner capital accounts, the partnership agreement specifies that items of income and loss shall be allocated among the partners in accordance with their respective percentage interest. Normal allocations according to percentage interests are made after giving effect, if any, to priority income allocations in an amount equal to incentive cash distributions allocated 100 percent to the general partner.

7

The calculation of net income allocated to the general and limited partners was as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(Dollars in millions)
Net income (loss) attributable to SunCoke Energy L.P.	$	22.6		$	21.3		$	(119.6	)	$	73.2
Less: Expenses allocated to Common - SunCoke(1)	—			—			—			(7.0		)
Net income (loss) attributable to all partners	22.6			21.3			(119.6		)	80.2
General partner's incentive distribution rights	1.4			1.4			4.2			12.2
Net income (loss) attributable to partners, excluding incentive distribution rights	21.2			19.9			(123.8		)	68.0
General partner's ownership interest:	2.0		%	2.0		%	2.0		%	2.0		%
General partner's allocated interest in net income (loss)(2)	0.5			0.4			(2.4		)	1.4
General partner's incentive distribution rights	1.4			1.4			4.2			12.2
Total general partner's interest in net income (loss)	$	1.9		$	1.8		$	1.8		$	13.6
Common - public unitholder's interest in net income (loss)	$	8.6		$	8.8		$	(55.2	)	$	29.9
Common - SunCoke interest in net income (loss):
Common - SunCoke interest in net income (loss)	12.1			10.7			(66.2		)	36.7
Expenses allocated to Common - SunCoke(1)	—			—			—			(7.0		)
Total common - SunCoke interest in net income (loss)	12.1			10.7			(66.2		)	29.7
Total limited partners' interest in net income (loss)	$	20.7		$	19.5		$	(121.4	)	$	59.6

(1) Per the amended partnership agreement, expenses paid on behalf of the Partnership are to be allocated entirely to the partner who paid them. During the first quarter of 2016, SunCoke paid $7.0 million of allocated corporate costs on behalf of the Partnership and will not seek reimbursement for those costs. These expenses are recorded as a direct reduction to SunCoke's interest in net income for the nine months ended September 30, 2016.

(2) Our net income is allocated to the general partner and limited partners in accordance with their respective partnership percentages, after giving effect to priority income allocations for incentive distributions, if any, to our general partner, pursuant to our partnership agreement. The table above represents a simplified presentation of the calculation, and therefore, amounts may not recalculate precisely.

Earnings Per Unit

Our net income is allocated to the general partner and limited partners in accordance with their respective partnership percentages, after giving effect to priority income allocations for incentive distributions, if any, to our general partner, pursuant to our partnership agreement. Distributions less than or greater than earnings are allocated in accordance with our partnership agreement. Payments made to our unitholders are determined in relation to actual distributions declared and are not based on the net income allocations used in the calculation of net income per unit.

In addition to the common, we also have identified the general partner interest and IDRs as participating securities and we use the two-class method when calculating the net income per unit applicable to limited partners, which is based on the weighted-average number of common units outstanding during the period. Basic and diluted net income per unit applicable to limited partners are the same because we do not have any potentially dilutive units outstanding.

8

The calculation of earnings per unit is as follows:

	Three Months Ended September 30,						Nine months ended September 30,
	2017			2016			2017			2016
	(Dollars and units in millions, except per unit amounts)
Net income (loss) attributable to SunCoke Energy L.P.	$	22.6		$	21.3		$	(119.6	)	$	73.2
Less: Expenses allocated to Common - SunCoke	—			—			—			(7.0		)
Net income (loss) attributable to all partners	22.6			21.3			(119.6		)	80.2
General partner's distributions (including $1.4 million, $1.4 million, $4.2 million and $4.2 million of cash incentive distribution rights declared, respectively)	2.0			2.0			6.0			6.0
Limited partners' distributions on common units	27.5			27.5			82.5			82.4
Distributions greater than earnings/loss	(6.9		)	(8.2		)	(208.1		)	(8.2		)
General partner's earnings:
Distributions (including $1.4 million, $1.4 million, $4.2 million and $4.2 million of cash incentive distribution rights declared, respectively)	2.0			2.0			6.0			6.0
Allocation of distributions (greater than) less than earnings/loss	(0.1		)	(0.2		)	(4.2		)	7.6
Total general partner's earnings	1.9			1.8			1.8			13.6
Limited partners' earnings (loss) on common units:
Distributions	27.5			27.5			82.5			82.4
Expenses allocated to Common - SunCoke	—			—			—			(7.0		)
Allocation of distributions greater than earnings/loss	(6.8		)	(8.0		)	(203.9		)	(15.8		)
Total limited partners' earnings (loss) on common units	20.7			19.5			(121.4		)	59.6
Weighted average limited partner units outstanding:
Common - basic and diluted	46.2			46.2			46.2			46.2
Net income (loss) per limited partner unit:
Common - basic and diluted	$	0.45		$	0.42		$	(2.63	)	$	1.29

Unit Activity

Unit activity for the nine months ended September 30, 2017:

	Common - Public		Common - SunCoke	Total Common
At December 31, 2016	20,800,181		25,415,696	46,215,877
Units issued to directors	10,022		—	10,022
Public units acquired by SunCoke	(1,980,977	)	1,980,977	—
At September 30, 2017	18,829,226		27,396,673	46,225,899

4. Inventories

The components of inventories were as follows:

	September 30, 2017		December 31, 2016
	(Dollars in millions)
Coal	$	48.9	$	34.5
Coke	8.0		4.7
Materials, supplies, and other	28.4		27.7
Total inventories	$	85.3	$	66.9

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5. Goodwill and Other Intangible Assets

Goodwill, which represents the excess of the purchase price over the fair value of net assets acquired, is tested for impairment as of October 1 of each year, or when events occur or circumstances change that would, more likely than not, reduce the fair value of a reporting unit to below its carrying value. Goodwill allocated to our Coal Logistics segment was $73.5 million at both September 30, 2017 and December 31, 2016.

The components of other intangible assets, net were as follows:

		September 30, 2017						December 31, 2016
	Weighted - Average Remaining Amortization Years	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
		(Dollars in millions)
Customer contracts	5	$	24.0	$	6.9	$	17.1	$	24.0	$	4.5	$	19.5
Customer relationships	14	28.7		5.2		23.5		28.7		3.8		24.9
Permits	25	139.0		10.9		128.1		139.0		7.1		131.9
Trade name	1	1.2		1.0		0.2		1.2		0.8		0.4
Total		$	192.9	$	24.0	$	168.9	$	192.9	$	16.2	$	176.7

The permits above represent the environmental and operational permits required to operate a coal export terminal in accordance with the United States Environmental Protection Agency and other regulatory bodies. Intangible assets are amortized over their useful lives in a manner that reflects the pattern in which the economic benefit of the asset is consumed. The permits’ useful lives were estimated to be 27 years at acquisition based on the expected useful life of the significant operating equipment at the facility. These permits have an average remaining renewal term of approximately 3.7 years. The permits were renewed regularly prior to our acquisition of CMT. We also have historical experience of renewing and extending similar arrangements at our other facilities and intend to continue to renew our permits as they come up for renewal for the foreseeable future.

Total amortization expense for intangible assets subject to amortization was $2.6 million and $7.8 million for the three and nine months ended September 30, 2017, respectively, and $2.6 million and $8.0 million for three and nine months ended September 30, 2016, respectively.

6. Income Taxes

At the end of each interim period, we make our best estimate of the effective tax rate expected to be applicable for the full fiscal year and the impact of discrete items, if any, and adjust the rate as necessary.

The Partnership recorded income tax expense of $150.7 million during the nine months ended September 30, 2017. Income tax expense during the nine months ended September 30, 2017 included the impacts of the Internal Revenue Service ("IRS") announcement of its final regulations on qualifying income in January 2017 discussed below.

In January 2017, the IRS announced its decision to exclude cokemaking as a qualifying income generating activity in its final regulations (the "Final Regulations") issued under section 7704(d)(1)(E) of the Internal Revenue Code relating to the qualifying income exception for publicly traded partnerships. However, the Final Regulations include a transition period for activities that were reasonably interpreted to be qualifying income and carried on by publicly traded partnerships prior to the Final Regulations. The Partnership previously received a will-level opinion from its counsel, Vinson & Elkins LLP, that the Partnership's cokemaking operations generated qualifying income prior to the Final Regulations. Therefore, the Partnership believes it had a reasonable basis to conclude its cokemaking operations were considered qualifying income before the issuance of the new regulations and as such expects to maintain its treatment as a partnership through the transition period. Cokemaking entities in the Partnership will become taxable as corporations on January 1, 2028, after the transition period ends.

As a result of the Final Regulations, the Partnership recorded deferred income tax expense of $148.6 million to set up its initial deferred income tax liability during the first quarter of 2017, primarily related to differences in the book and tax basis of fixed assets, which are expected to exist at the end of the 10-year transition period when the cokemaking operations become taxable. The Partnership has reassessed these deferred tax liabilities quarterly, resulting in immaterial impacts to deferred income tax expense. A portion of this deferred tax liability, $3.0 million, was attributable to SunCoke's retained ownership interest in the cokemaking facilities and, therefore, was also reflected as a reduction in noncontrolling interest during the nine months ended September 30, 2017.

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7. Debt and Financing Obligation

Total debt and financing obligation, including the current portion of long-term debt and financing obligation, consisted of the following:

	September 30, 2017			December 31, 2016
	(Dollars in millions)
7.500 percent senior notes, due 2025 ("2025 Partnership Notes")	$	630.0		$	—
7.375 percent senior notes, due 2020 ("2020 Partnership Notes")	—			463.0
Partnership term loan, due 2019 ("Partnership Term Loan")	—			50.0
Revolving credit facility, due 2022 and 2019, respectively ("Partnership Revolver")	200.0			172.0
Partnership promissory note payable, due 2021 ("Promissory Note")	—			113.2
5.82 percent financing obligation, due 2021 ("Financing Obligation")	13.3			15.2
Total borrowings	843.3			813.4
Original issue (discount) premium	(9.1		)	7.5
Debt issuance cost	(15.3		)	(10.3		)
Total debt and financing obligation	818.9			810.6
Less: current portion of long-term debt and financing obligation	2.6			4.9
Total long-term debt and financing obligation	$	816.3		$	805.7

Issuance of 2025 Partnership Senior Notes

In May 2017, the Partnership issued $630.0 million aggregate principal amount of senior notes with an interest rate of 7.5 percentdue in May 2025. The Partnership received proceeds of $620.6 million, net of a discount of $9.4 million. The Partnership incurred debt issuance costs related to this transaction of $11.9 million. The 2025 Partnership Senior Notes are the senior unsecured obligations of the Partnership, and are guaranteed on a senior unsecured basis by each of the Partnership’s existing and certain future subsidiaries (other than SunCoke Energy Partners Finance Corp.). Interest on the 2025 Partnership Senior Notes is payable semi-annually in cash in arrears on June 15 and December 15 of each year, commencing on December 15, 2017.

The Partnership may redeem some or all of the 2025 Partnership Senior Notes at any time on or after June 15, 2020 at specified redemption prices plus accrued and unpaid interest, if any, to the redemption date. Before June 15, 2020, and following certain equity offerings, the Partnership also may redeem up to 35 percent of the 2025 Partnership Senior Notes at a price equal to 107.50 percent of the principal amount, plus accrued and unpaid interest, if any, to the redemption date. In addition, at any time prior to June 15, 2020, the Partnership may redeem some or all of the 2025 Partnership Senior Notes at a price equal to 100 percent of the principal amount, plus accrued and unpaid interest, if any, to the redemption date, plus a “make-whole” premium.

The Partnership is obligated to offer to purchase all or a portion of the 2025 Partnership Senior Notes at a price of (a) 101 percent of their principal amount, together with accrued and unpaid interest, if any, to the date of purchase, upon the occurrence of certain change of control events and (b) 100 percent of their principal amount, together with accrued and unpaid interest, if any, to the date of purchase, upon the occurrence of certain asset dispositions. These restrictions and prohibitions are subject to certain qualifications and exceptions set forth in the Indenture, including without limitation, reinvestment rights with respect to the proceeds of asset dispositions.

The 2025 Partnership Senior Notes contains covenants that, among other things, limit the Partnership’s ability and the ability of certain of the Partnership’s subsidiaries to (i) incur indebtedness, (ii) pay dividends or make other distributions, (ii) prepay, redeem or repurchase certain subordinated debt, (iv) make loans and investments, (v) sell assets, (vi) incur liens, (vii) enter into transactions with affiliates, (viii) enter into agreements restricting the ability of subsidiaries to pay dividends and (ix) consolidate or merge.

Purchase and Redemption of 2020 Partnership Senior Notes and Repayment of Partnership Term Loan

During the first nine months of 2017, the Partnership used the proceeds from the 2025 Partnership Notes to purchase and redeem its 2020 Partnership Notes, including principal of $463.0 million and a premium of $18.7 million, and to repay the $50.0 million outstanding on the Partnership Term Loan. As a result, during the nine months ended September 30, 2017, the Partnership recorded a loss on extinguishment of debt on the Consolidated Statement of Operations of $19.1 million, which included the premium paid and a write-off of unamortized debt issuance costs of $7.0 million partly offset by a write-off of unamortized premiums of $6.6 million.

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Partnership Revolver

In May 2017, the Partnership repaid the $172.0 million outstanding balance and then amended and restated the Partnership Revolver, which increased the Partnership's capacity from $250.0 million to $285.0 million and extended the maturity to May 2022. The Partnership then borrowed $200.0 million under the amended and restated credit facility during the nine months ended September 30, 2017, respectively. In connection with the amendments to the Partnership Revolver, the Partnership incurred debt issuance costs of $3.0 million and recorded a loss on extinguishment of debt on the Consolidated Statement of Operations of $0.8 million, representing a write-off of unamortized debt issuance costs, during the nine months ended September 30, 2017. As ofSeptember 30, 2017, the Partnership had $1.9 million of letters of credit outstanding and an outstanding balance of $200.0 million, leaving $83.1 million available.

Partnership's Promissory Note

In August 2017, the Partnership utilized $100.0 million of its borrowings under the Partnership Revolver and $12.6 million of cash to repay the remaining outstanding balance of $112.6 million on the Partnership's Promissory Note. As a result, the Partnership recorded a loss on extinguishment of debt on the Consolidated Statement of Operations of $0.1 million, representing a write-off of unamortized debt issuance costs, during the three and nine months ended September 30, 2017.

Covenants

Under the terms of the Partnership Revolver, the Partnership is subject to a maximum leverage ratio of 4.5:1.0 prior to June 30, 2020 and 4.0:1.0 after June 30, 2020, and a minimum consolidated interest coverage ratio of 2.5:1.0. The Partnership Revolver contains other covenants and events of default that are customary for similar agreements and may limit our ability to take various actions including our ability to pay a dividend or repurchase our stock.

If we fail to perform our obligations under these and other covenants, the lenders' credit commitment could be terminated and any outstanding borrowings, together with accrued interest, under the Partnership Revolver could be declared immediately due and payable. The Partnership has a cross-default provision that applies to our indebtedness having a principal amount in excess of $35 million.

As of September 30, 2017, the Partnership was in compliance with all applicable debt covenants. We do not anticipate violation of these covenants nor do we anticipate that any of these covenants will restrict our operations or our ability to obtain additional financing.

8. Commitments and Contingent Liabilities

The United States Environmental Protection Agency ("EPA") has issued Notices of Violations (“NOVs”) for the Haverhill and Granite City cokemaking facilities which stemmed from alleged violations of air operating permits for these facilities. We are working in a cooperative manner with the EPA, the Ohio Environmental Protection Agency and the Illinois Environmental Protection Agency to address the allegations, and have entered into a consent degree in federal district court with these parties. The consent decree includes a $2.2 million civil penalty payment that was paid by SunCoke in 2014, as well as capital projects underway to improve the reliability of the energy recovery systems and enhance environmental performance at the Haverhill and Granite City cokemaking facilities.

We retained an aggregate of $119 million in proceeds from the Partnership's IPO and subsequent dropdowns to fund these environmental remediation projects at the Haverhill and Granite City cokemaking facilities. Pursuant to the omnibus agreement, any amounts that we spend on these projects in excess of the $119 million will be reimbursed by SunCoke. SunCoke spent $7 million related to these projects. We have spent approximately $96 million to date and the remaining capital is expected to be spent through the first quarter of 2019. Under the omnibus agreement, SunCoke will reimburse us for approximately $15 million of additional spending on these projects.

The Partnership is a party to certain other pending and threatened claims, including matters related to commercial and tax disputes, product liability, employment claims, personal injury claims, premises-liability claims, allegations of exposures to toxic substances and general environmental claims. Although the ultimate outcome of these claims cannot be ascertained at this time, it is reasonably possible that some portion of these claims could be resolved unfavorably to the Partnership. Management of the Partnership believes that any liability which may arise from claims would not have a material adverse impact on our consolidated financial statements.

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9. Fair Value Measurements

The Partnership measures certain financial and non-financial assets and liabilities at fair value on a recurring basis. Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in the principal or most advantageous market in an orderly transaction between market participants on the measurement date. Fair value disclosures are reflected in a three-level hierarchy, maximizing the use of observable inputs and minimizing the use of unobservable inputs.

The valuation hierarchy is based upon the transparency of inputs to the valuation of an asset or liability on the measurement date. The three levels are defined as follows:

• Level 1—inputs to the valuation methodology are quoted prices (unadjusted) for an identical asset or liability in an active market.

• Level 2—inputs to the valuation methodology include quoted prices for a similar asset or liability in an active market or model-derived valuations in which all significant inputs are observable for substantially the full term of the asset or liability.

• Level 3—inputs to the valuation methodology are unobservable and significant to the fair value measurement of the asset or liability.

Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis

Certain assets and liabilities are measured at fair value on a recurring basis. The Partnership’s cash equivalents are measured at fair value based on quoted prices in active markets for identical assets. These inputs are classified as Level 1 within the valuation hierarchy. The Partnership did not have material cash equivalents at September 30, 2017 or December 31, 2016.

Convent Marine Terminal Contingent Consideration

In connection with the CMT acquisition, the Partnership entered into a contingent consideration arrangement that requires us to make future payments to The Cline Group based on future volume over a specified threshold, price and contract renewals. The fair value of the contingent consideration was estimated based on a probability-weighted analysis using significant inputs that are not observable in the market, or Level 3 inputs. Key assumptions included probability adjusted levels of handling services provided by CMT, anticipated price per ton on future sales and probability of contract renewal, including length of future contracts, volume commitment, and anticipated price per ton. The fair value of the contingent consideration at September 30, 2017 and December 31, 2016 was $2.5 million and $4.2 million, respectively, and was included in other deferred charges and liabilities on the Consolidated Balance Sheets. The decrease in the fair value of the contingent consideration liability was due to changes in expected throughput volumes related to the long-term, take-or-pay agreements. This reduction in the contingent consideration balance decreased costs of products sold and operating expenses on the Consolidated Statements of Operations by $2.0 million and $1.7 million during the three and nine months ended September 30, 2017, respectively. During the first quarter of 2016, the Partnership amended the contingent consideration terms with The Cline Group. These amendment terms and subsequent fair value adjustments during the three and nine months ended September 30, 2016 of $4.6 million and $8.3 million, respectively, decreased costs of products sold and operating expenses on the Consolidated Statements of Operations.

Certain Financial Assets and Liabilities not Measured at Fair Value

At September 30, 2017 and December 31, 2016, the estimated fair value of the Partnership's total debt was $864.2 million and $810.4 million, respectively, compared to a carrying amount of $843.3 million and $813.4 million, respectively. The fair value was estimated by management based upon estimates of debt pricing provided by financial institutions which are considered Level 2 inputs.

10. Business Segment Disclosures

The Partnership derives its revenues from the Domestic Coke and Coal Logistics reportable segments. Domestic Coke operations are comprised of the Haverhill and Middletown cokemaking facilities located in Ohio and the Granite City cokemaking facility located in Illinois. These facilities use similar production processes to produce coke and to recover waste heat that is converted to steam or electricity. Steam is provided to third-party customers primarily pursuant to steam supply and purchase agreements. Electricity is sold into the regional power market or to AK Steel Holding Corporation ("AK Steel") pursuant to energy sales agreements. Coke sales at the Partnership's cokemaking facilities are made pursuant to long-term, take-or-pay agreements with ArcelorMittal S.A., AK Steel and United States Steel Corporation. Each of the coke sales agreements contain pass-through provisions for costs incurred in the cokemaking process, including coal procurement costs (subject to meeting contractual coal-to-coke yields), operating and maintenance expenses, costs related to the transportation of coke to the customers, taxes (other than income taxes) and costs associated with changes in regulation, in addition to containing a fixed fee.

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Coal Logistics operations are comprised of CMT located in Louisiana, Lake Terminal located in Indiana and KRT located in West Virginia. Our logistics operations have a collective capacity to mix and transload approximately 40 million tons of coal and other aggregates annually and provide handling and/or mixing services to its customers, which include our own cokemaking facilities and other SunCoke cokemaking facilities. Handling and mixing results are presented in the Coal Logistics segment.

Corporate and other expenses that can be identified with a segment have been included in determining segment results. The remainder is included in Corporate and Other.

The following table includes Adjusted EBITDA, which is the measure of segment profit or loss and liquidity reported to the chief operating decision maker for purposes of allocating resources to the segments and assessing their performance:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(Dollars in millions)
Sales and other operating revenue:
Domestic Coke	$	193.4		$	170.8		$	548.6		$	517.2
Coal Logistics	20.6			14.7			61.6			44.2
Coal Logistics intersegment sales	1.6			1.5			4.9			4.7
Elimination of intersegment sales	(1.6		)	(1.5		)	(4.9		)	(4.7		)
Total sales and other operating revenue	$	214.0		$	185.5		$	610.2		$	561.4
Adjusted EBITDA:
Domestic Coke	$	50.0		$	42.9		$	130.0		$	130.3
Coal Logistics	12.3			7.0			34.9			18.2
Corporate and Other	(3.9		)	(4.2		)	(11.8		)	(12.9		)
Total Adjusted EBITDA	$	58.4		$	45.7		$	153.1		$	135.6
Depreciation and amortization expense:
Domestic Coke	$	14.3		$	12.7		$	45.6		$	38.7
Coal Logistics	5.9			5.4			17.7			18.6
Total depreciation and amortization expense	$	20.2		$	18.1		$	63.3		$	57.3
Capital expenditures:
Domestic Coke	$	13.0		$	4.4		$	21.8		$	15.8
Coal Logistics	0.4			3.6			1.5			14.3
Total capital expenditures	$	13.4		$	8.0		$	23.3		$	30.1

The following table sets forth the Partnership's segment assets:

	September 30, 2017		December 31, 2016
	(Dollars in millions)
Segment assets:
Domestic Coke	$	1,182.6	$	1,184.2
Coal Logistics	494.2		510.6
Corporate and Other	1.0		1.2
Total assets	$	1,677.8	$	1,696.0

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The following table sets forth the Partnership’s total sales and other operating revenue by product or service, excluding intersegment revenues:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
	(Dollars in millions)
Sales and other operating revenue:
Cokemaking	$	177.0	$	155.8	$	503.8	$	471.3
Energy	14.7		13.9		39.0		42.5
Logistics	19.2		14.2		59.0		43.2
Other	3.1		1.6		8.4		4.4
Total revenues	$	214.0	$	185.5	$	610.2	$	561.4

The Partnership evaluates the performance of its segments based on segment Adjusted EBITDA, whichrepresents earnings before interest, loss (gain) on extinguishment of debt, taxes, depreciation and amortization, adjusted for changes to our contingent consideration liability related to our acquisition of CMT and the expiration of certain acquired contractual obligations. Adjusted EBITDA does not represent and should not be considered an alternative to net income or operating income under GAAP and may not be comparable to other similarly titled measures in other businesses.

Management believes Adjusted EBITDA is an important measure of the operating performance and liquidity of the Partnership's net assets and its ability to incur and service debt, fund capital expenditures and make distributions. Adjusted EBITDA provides useful information to investors because it highlights trends in our business that may not otherwise be apparent when relying solely on GAAP measures and because it eliminates items that have less bearing on our operating performance and liquidity. EBITDA and Adjusted EBITDA are not measures calculated in accordance with GAAP, and they should not be considered an alternative to net income, operating cash flow or any other measure of financial performance presented in accordance with GAAP. Set forth below is additional discussion of the limitations of Adjusted EBITDA as an analytical tool.

Limitations.Other companies may calculate Adjusted EBITDA differently than we do, limiting its usefulness as a comparative measure. Adjusted EBITDA also has limitations as an analytical tool and should not be considered in isolation or as a substitute for an analysis of our results as reported under GAAP. Some of these limitations include that Adjusted EBITDA:

• does not reflect our cash expenditures, or future requirements, for capital expenditures or contractual commitments;

• does not reflect items such as depreciation and amortization;

• does not reflect changes in, or cash requirements for, working capital needs;

• does not reflect our interest expense, or the cash requirements necessary to service interest on or principal payments of our debt;

• does not reflect certain other non-cash income and expenses;

• excludes income taxes that may represent a reduction in available cash; and

• includes net income attributable to noncontrolling interests.

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Below is a reconciliation of Adjusted EBITDA to net income and net cash provided by operating activities, which are its most directly comparable financial measures calculated and presented in accordance with GAAP:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(Dollars in millions)
Net cash provided by operating activities	$	61.1		$	31.9		$	112.7		$	140.0
Subtract:
Depreciation and amortization expense	20.2			18.1			63.3			57.3
Loss (gain) on extinguishment of debt	0.1			(1.0		)	20.0			(24.9		)
Deferred income tax expense (benefit)	1.6			(0.2		)	150.4			0.2
Changes in working capital and other	15.9			(7.0		)	(0.1		)	32.3
Net income (loss)	$	23.3		$	22.0		$	(120.9	)	$	75.1
Add:
Depreciation and amortization expense	$	20.2		$	18.1		$	63.3		$	57.3
Interest expense, net	15.1			11.5			41.7			35.7
Loss (gain) on extinguishment of debt	0.1			(1.0		)	20.0			(24.9		)
Income tax expense, net	1.7			0.4			150.7			1.4
Contingent consideration adjustments(1)	(2.0		)	(4.6		)	(1.7		)	(8.3		)
Non-cash reversal of acquired contractual obligation(2)	—			(0.7		)	—			(0.7		)
Adjusted EBITDA(3)	$	58.4		$	45.7		$	153.1		$	135.6
Subtract:
Adjusted EBITDA attributable to noncontrolling interest (4)	$	1.0		$	0.9		$	2.6		$	2.6
Adjusted EBITDA attributable to SunCoke Energy Partners, L.P.	$	57.4		$	44.8		$	150.5		$	133.0

(1) As a result of changes in the fair value of the contingent consideration liability, the Partnership recognized gains of $2.0 million and $1.7 million during the three and nine months ended September 30, 2017, respectively. The Partnership amended its contingent consideration terms with The Cline Group during the first quarter of 2016. This amendment and subsequent fair value adjustments resulted in a gain of $4.6 million and $8.3 million recorded during the three and nine months ended September 30, 2016, respectively.

(2) In association with the acquisition of CMT, we assumed certain performance obligations under existing contracts and recorded liabilities related to such obligations. In the third quarter of 2016, the final acquired contractual performance obligation expired without the customer requiring performance. Therefore, the Partnership reversed the liability as we no longer have any obligations under the contract.

(3) In accordance with the SEC’s May 2016 update to its guidance on the appropriate use of non-GAAP financial measures, Adjusted EBITDA does not include Coal Logistics deferred revenue until it is recognized as GAAP revenue.

(4) Reflects net income attributable to noncontrolling interest adjusted for noncontrolling interest's share of interest, taxes, income, and depreciation and amortization.

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

This Quarterly Report on Form 10-Q contains certain forward-looking statements of expected future developments, as defined in the Private Securities Litigation Reform Act of 1995. This discussion contains forward-looking statements about our business, operations and industry that involve risks and uncertainties, such as statements regarding our plans, objectives, expectations and intentions. Our future results and financial condition may differ materially from those we currently anticipate as a result of the factors we describe under “Cautionary Statement Concerning Forward-Looking Statements.”

This Management’s Discussion and Analysis of Financial Condition and Results of Operations ("MD&A") is based on financial data derived from the financial statements prepared in accordance with United States ("U.S.") generally accepted accounting principles (“GAAP”) and certain other financial data that is prepared using non-GAAP measures. For a reconciliation of these non-GAAP measures to the most comparable GAAP components, see “Non-GAAP Financial Measures” at the end of this Item, and Note 10 to our consolidated financial statements.

These statements reflect significant assumptions and allocations and include all expenses allocable to our business, but may not be indicative of those that would have been achieved had we operated as a separate public entity for all periods presented or of future results.

Our MD&A is provided in addition to the accompanying consolidated financial statements and notes to assist readers in understanding our results of operations, financial condition and cash flow.

Overview

SunCoke Energy Partners, L.P., (the "Partnership", "we", "our", and "us"), is a Delaware limited partnership formed inJuly 2012, which primarily produces coke used in the blast furnace production of steel. At September 30, 2017, we owned a 98 percentinterest in Haverhill Coke Company LLC ("Haverhill"), Middletown Coke Company, LLC ("Middletown") and Gateway Energy and Coke Company, LLC ("Granite City"). The remaining 2 percent ownership interest in our three cokemaking facilities was owned by SunCoke Energy, Inc. ("SunCoke"). We also own a logistics business, which provides handling and/or mixing services of coal and other aggregates to third-party customers as well as to our own cokemaking facilities and other SunCoke cokemaking facilities. Our logistics business consists of Convent Marine Terminal ("CMT"), Kanawha River Terminals, LLC ("KRT") and SunCoke Lake Terminal, LLC ("Lake Terminal"). At September 30, 2017, SunCoke, through a subsidiary, owned a 58.1 percent limited partnership interest in us and indirectly owned and controlled our general partner, which holds a 2.0 percent general partner interest in us and all of our incentive distribution rights ("IDR").

Our coke sales are made pursuant to long-term, take-or-pay agreements. These coke sales agreements have an average remaining term of approximately eight years and contain pass-through provisions for costs we incur in the cokemaking process, including coal procurement costs (subject to meeting contractual coal-to-coke yields), operating and maintenance expenses, costs related to the transportation of coke to our customers, taxes (other than income taxes) and costs associated with changes in regulation. The coke sales agreement and energy sales agreement with AK Steel Holding Corporation ("AK Steel") at our Haverhill facility are subject to early termination by AK Steel under limited circumstances and provided that AK Steel has given at least two years prior notice of its intention to terminate the agreements and certain other conditions are met. No other coke sales contract has an early termination clause. For a five-year period following our initial public offering on January 24, 2013 ("IPO"), SunCoke has agreed to make us whole or purchase all of our coke production not taken by our customers in the event of a customer's default or exercise of certain termination rights, under the same terms as those provided for in the coke sales agreements with our customers.

Our core business model is predicated on providing steelmakers an alternative to investing capital in their own captive coke production facilities. We direct our marketing efforts principally towards steelmaking customers that require coke for use in their blast furnaces. While our steelmaking customers are operating in an environment that is challenged by global overcapacity, our customers have continued to see favorable steel pricing and positive signals on trade and infrastructure during the first nine months of 2017. Despite the improved market trends over the last year, AK Steel and United States Steel Corporation ("U.S. Steel") have kept portions of their Ashland Kentucky Works facility and Granite City Works facility, respectively, idled as they await further signs of market stability. While market challenges remain, our customers continue to comply with the terms of their long-term, take-or-pay contracts with us.

Our Granite City facility and the first phase of our Haverhill facility, or Haverhill I, have steam generation facilities, which use hot flue gas from the cokemaking process to produce steam for sale to customers, pursuant to steam supply and purchase agreements. Granite City sells steam to U.S. Steel and Haverhill I provides steam, at minimal cost, to Altivia Petrochemicals, LLC ("Altivia"). Our Middletown facility and the second phase of our Haverhill facility, or Haverhill II, have cogeneration plants that use the hot flue gas created by the cokemaking process to generate electricity, which either is sold into the regional power market or to AK Steel pursuant to energy sales agreements.

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The following table sets forth information about our cokemaking facilities and our coke, steam and energy sales agreements as of September 30, 2017:

Facility	Location	Coke Customer	Year of Start Up	Contract Expiration	Number of Coke Ovens	Annual Cokemaking Capacity (thousands of tons)	Use of Waste Heat
Granite City	Granite City, Illinois	U.S. Steel	2009	2025	120	650	Steam for power generation
Haverhill I	Franklin Furnace, Ohio	ArcelorMittal	2005	2020	100	550	Process steam
Haverhill II	Franklin Furnace, Ohio	AK Steel	2008	2022	100	550	Power generation
Middletown(1)	Middletown, Ohio	AK Steel	2011	2032	100	550	Power generation
Total					420	2,300

(1) Cokemaking capacity represents stated capacity for the production of blast furnace coke. The Middletown coke sales agreement provides for coke sales on a “run of oven” basis, which includes both blast furnace coke and small coke. Middletown nameplate capacity on a “run of oven” basis is 578 thousand tons per year.

We also provide handling and/or mixing services of coal and other aggregates with our logistics business, which has collective capacity to mix and/or transload approximately 40 million tons of materials annually and store approximately 3 million tons. CMT is one of the largest export terminals on the U.S. gulf coast and has direct rail access and the capability to transload approximately 15 million tons of coal and other aggregates annually through its operations in Convent, Louisiana. The facility is supported by long-term, take-or-pay contracts with volume commitments covering 10 million tons of its current capacity. KRT is a leading metallurgical and thermal coal mixing and handling terminal service provider with collective capacity to mix and transload approximately 25 million tons of materials annually through its operations in West Virginia. Our terminal located in East Chicago, Indiana, Lake Terminal, provides coal handling and mixing services to SunCoke's Indiana Harbor cokemaking operations. Materials are transported in numerous ways, including rail, truck, barge or ship. Our terminals act as intermediaries between customers and end users by providing transloading, storage and mixing services. We do not take possession of materials in our logistics business, but instead earn revenue by providing handling and/or mixing services of coal and other aggregates to our customers on a fee per ton basis. We provide mixing and handling services to steel, coke (including some of our and SunCoke's domestic cokemaking facilities), electric utility, coal producing and other manufacturing based customers.

The financial performance of our logistics business is substantially dependent upon a limited number of customers. Our CMT customers are impacted by seaborne export market dynamics. Fluctuations in the benchmark price for coal delivery into northwest Europe, as referenced in the Argus/McCloskey's Coal Price Index report ("API2 index price"), contribute to our customers' decisions to place tons into the export market and thus impact transloading volumes through our terminal facility. Our KRT terminals are primarily impacted by the domestic coal markets in which its customers operate and generally benefit from extreme weather conditions.

The Partnership's logistics customers have experienced higher coal prices, including API2, domestic and seaborne metallurgical, during the first nine months of 2017 as compared to prices in 2016. As a result, tons handled by the Coal Logistics segment have increased and improved its financial performance in 2017 as compared to 2016.

Organized in Delaware in July 2012, and headquartered in Lisle, Illinois, we are a master limited partnership whose common units, representing limited partnership interests, were first listed for trading on the New York Stock Exchange (“NYSE”) in January 2013 under the symbol “SXCP.”

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Third Quarter Key Financial Results

Our consolidated results of operations were as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017		2016		Increase (Decrease)		2017		2016		Increase (Decrease)
	(Dollars in millions)
Sales and other operating revenue(1)	$	214.0	$	185.5	$	28.5	$	610.2	$	561.4	$	48.8
Net cash provided by operating activities(2)	$	61.1	$	31.9	$	29.2	$	112.7	$	140.0	$	(27.3	)
Adjusted EBITDA(1)	$	58.4	$	45.7	$	12.7	$	153.1	$	135.6	$	17.5

(1) See analysis of changes described in "Analysis of Segment Results."

(2) See analysis of changes described in "Liquidity and Capital Resources."

Recent Developments and Items Impacting Comparability

• Termination of Proposed Simplification Transaction. In April 2017, SunCoke announced the termination of discussions with the Conflicts Committee of our Board of Directors regarding its proposal to acquire all of the Partnership’s common units not already owned by SunCoke ("Simplification Transaction"), announced on October 31, 2016. The Conflicts Committee and its independent advisors reviewed the proposal made by SunCoke and had several discussions with SunCoke regarding the potential transaction. At this time, the parties determined that they will not be able to reach an agreement and have therefore terminated discussions regarding the proposed Simplification Transaction.

• Debt Activities. During the first nine months of 2017, the Partnership refinanced its debt obligations. As a result of the debt refinancing, the nine months ended September 30, 2017 included a loss on extinguishment of debt on the Consolidated Statement of Operations of $20.0 million, which consisted primarily of the premium paid of $18.7 million. The Partnership anticipates annualized interest expense, net to increase by approximately $8 million, which includes approximately $6 million of cash interest and $2 million of amortization of debt issuance costs and discounts. See Note 7 to our consolidated financial statements for further details.

During the three and nine months ended September 30, 2016, the Partnership repurchased $14.5 million and $84.4 million, respectively, of 2020 Partnership Notes, which resulted in a gain on extinguishment of debt of $1.0 million and $24.9 million, respectively.

• IRS Final Regulations on Qualifying Income. In January 2017, the Internal Revenue Service ("IRS") announced its decision to exclude cokemaking as a qualifying income generating activity in its final regulations (the "Final Regulations") issued under section 7704(d)(1)(E) of the Internal Revenue Code relating to the qualifying income exception for publicly traded partnerships. However, the Final Regulations include a transition period for activities that were reasonably interpreted to be qualifying income and carried on by publicly traded partnerships prior to the Final Regulations. The Partnership previously received a will-level opinion from its counsel, Vinson & Elkins LLP, that the Partnership's cokemaking operations generated qualifying income prior to the Final Regulations. Therefore, the Partnership believes it had a reasonable basis to conclude its cokemaking operations were considered qualifying income before the issuance of the new regulations and as such expects to maintain its treatment as a partnership through the transition period. Cokemaking entities in the Partnership will become taxable as corporations on January 1, 2028, after the transition period ends.

As a result of the Final Regulations, the Partnership recorded deferred income tax expense of $148.6 million to set up its initial deferred income tax liability during the first quarter of 2017, primarily related to differences in the book and tax basis of fixed assets, which are expected to exist at the end of the 10-year transition period when the cokemaking operations become taxable. The Partnership has reassessed these deferred tax liabilities quarterly, resulting in immaterial impacts to deferred income tax expense. A portion of this deferred tax liability, $3.0 million, was attributable to SunCoke's retained ownership interest in the cokemaking facilities and, therefore, was also reflected as a reduction in noncontrolling interest during the nine months ended September 30, 2017.

• Pass Through Coal Cost Under-Recovery. During the fourth quarter of 2016, as part of our ordinary course coal sourcing activities, Haverhill, Middletown and AK Steel each entered into arrangements with a coal supplier for 2017 fulfillment. As a result of unfulfilled coal supply commitments by this coal supplier, substitute coal suppliers are currently meeting the shortfall at a higher price. We are sharing half of the increased coal cover cost differential with AK Steel. During the third quarter of 2017, we received $1.5 million of reimbursements from this

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coal supplier for a portion of our share of the coal cover cost associated with the unfulfilled coal supply commitments and reimbursement of legal costs.These higher coal costs, net of reimbursements from the coal supplier, resulted in a negative impact to both revenue and Adjusted EBITDA of $0.2 million and $3.0 million during the three and nine months ended September 30, 2017, respectively. At this time, we expect the full year 2017 impact of these events to lower revenue and Adjusted EBITDA by approximately $4 million.

Results of Operations

The following table sets forth amounts from the Consolidated Statements of Operations for the three and nine months ended September 30, 2017 and 2016: 

	Three Months Ended September 30,								Nine Months Ended September 30,
	2017		2016			Increase (Decrease)			2017			2016			Increase (Decrease)
	(Dollars in millions)
Revenues
Sales and other operating revenue	$	214.0	$	185.5		$	28.5		$	610.2		$	561.4		$	48.8
Costs and operating expenses
Cost of products sold and operating expenses	146.2		125.5			20.7			431.0			388.3			42.7
Selling, general and administrative expenses	7.4		9.0			(1.6		)	24.4			28.5			(4.1		)
Depreciation and amortization expense	20.2		18.1			2.1			63.3			57.3			6.0
Total costs and operating expenses	173.8		152.6			21.2			518.7			474.1			44.6
Operating income	40.2		32.9			7.3			91.5			87.3			4.2
Interest expense, net	15.1		11.5			3.6			41.7			35.7			6.0
Loss (gain) on extinguishment of debt(1)	0.1		(1.0		)	1.1			20.0			(24.9		)	44.9
Income before income tax expense	25.0		22.4			2.6			29.8			76.5			(46.7		)
Income tax expense	1.7		0.4			1.3			150.7			1.4			149.3
Net income (loss)	23.3		22.0			1.3			(120.9		)	75.1			(196.0		)
Less: Net income (loss) attributable to noncontrolling interests	0.7		0.7			—			(1.3		)	1.9			(3.2		)
Net income (loss) attributable to SunCoke Energy Partners, L.P.	$	22.6	$	21.3		$	1.3		$	(119.6	)	$	73.2		$	(192.8	)

(1) See year-over-year changes described in "Recent Developments and Items Impacting Comparability."

Total Revenues. Sales and other operating revenue increased for both the three and nine months ended September 30, 2017 compared to the same prior year periods. These increases were primarily due to the pass-through of higher coal prices in our Domestic Coke segment as well as higher sales volumes in our Coal Logistics segment.

Costs of Products Sold and Operating Expenses. Costs of products sold and operating expenses increased for both the three and nine months ended September 30, 2017 compared to the same prior year periods. These increases were primarily due to higher coal costs associated with higher coal prices in our Domestic Coke segment as well as the year-over-year impact of the contingent consideration adjustments. See Note 9 to our consolidated financial statements for further details on the contingent consideration adjustments.

Selling, General and Administrative Expenses. Selling, general and administrative expenses during the three and nine months ended September 30, 2017 compared to the same prior year periods decreased primarily due to lower spending on professional services during the third quarter of 2017.

Depreciation and Amortization Expense. The increase in depreciation and amortization expense during the three and nine months ended September 30, 2017 compared to the same prior year periods was primarily the result of new assets placed in service, including the new ship loader at CMT and certain environmental remediation assets at our Haverhill cokemaking facility both placed in service during the fourth quarter of 2016.

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Interest Expense, net. The increase in interest expense, net during the three and nine months ended September 30, 2017 compared to the same prior year periods was primarily due to higher interest rates on the 2025 Partnership Notes issued in May 2017, as well as lower capitalized interest as compared to the prior year period as a result of the CMT ship loader and certain environmental remediation assets at our Haverhill cokemaking facility, both placed in service during the fourth quarter of 2016.

Income Taxes. The Partnership recorded income tax expense of $1.7 million during the three months ended September 30, 2017, which was primarily due to an increase in Illinois income tax rate effective July 2017. Additionally, income tax expense during the nine months ended September 30, 2017 included the $148.6 million impact of the IRS Final Regulations previously discussed in "Recent Developments and Items Impacting Comparability."

Noncontrolling Interest. Net (loss) income attributable to noncontrolling interest represents SunCoke's retained ownership interest in our cokemaking facilities. The decrease in net (loss) income attributable to noncontrolling interest for the nine months ended September 30, 2017 was driven by the $3.0 million impact of the IRS Final Regulations previously described in "Recent Developments and Items Impacting Comparability."

Results of Reportable Business Segments

We report our business results through two segments:

• Domestic Coke consists of our Haverhill, Middletown and Granite City cokemaking and heat recovery operations located in Franklin Furnace, Ohio; Middletown, Ohio; and Granite City, Illinois, respectively.

• Coal Logistics consists of our handling and/or mixing services in East Chicago, Indiana; Ceredo, West Virginia; Belle, West Virginia; and Convent, Louisiana.

The operations of each of our segments are described at the beginning of the MD&A.

Corporate expenses that can be identified with a segment have been included in determining segment results. The remainder is included in Corporate and Other.

Management believes Adjusted EBITDA is an important measure of operating performance and liquidity and it is used as the primary basis for the chief operating decision maker to evaluate the performance of each of our reportable segments. Adjusted EBITDA should not be considered a substitute for the reported results prepared in accordance with GAAP. See "Non-GAAP Financial Measures" near the end of this Item.

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Segment Operating Data

The following tables set forth financial and operating data for the three and nine months ended September 30, 2017 and 2016:

	Three Months Ended September 30,									Nine Months Ended September 30,
	2017			2016			Increase (Decrease)			2017			2016			Increase (Decrease)
	(Dollars in millions)
Sales and other operating revenues:
Domestic Coke	$	193.4		$	170.8		$	22.6		$	548.6		$	517.2		$	31.4
Coal Logistics	20.6			14.7			5.9			61.6			44.2			17.4
Coal Logistics intersegment sales	1.6			1.5			0.1			4.9			4.7			0.2
Elimination of intersegment sales	(1.6		)	(1.5		)	(0.1		)	(4.9		)	(4.7		)	(0.2		)
Total Sales and other operating revenues	$	214.0		$	185.5		$	28.5		$	610.2		$	561.4		$	48.8
Adjusted EBITDA(1):
Domestic Coke	$	50.0		$	42.9		$	7.1		$	130.0		$	130.3		(0.3		)
Coal Logistics	12.3			7.0			5.3			34.9			18.2			16.7
Corporate and Other	(3.9		)	(4.2		)	0.3			(11.8		)	(12.9		)	1.1
Total Adjusted EBITDA	$	58.4		$	45.7		$	12.7		$	153.1		$	135.6		$	17.5
Coke Operating Data:
Domestic Coke capacity utilization (%)	103			103			—			100			102			(2		)
Domestic Coke production volumes (thousands of tons)	595			593			2			1,727			1,751			(24		)
Domestic Coke sales volumes (thousands of tons)	585			595			(10		)	1,718			1,755			(37		)
Domestic Coke Adjusted EBITDA per ton(2)	$	85.47		$	72.10		$	13.37		$	75.67		$	74.25		$	1.42
Coal Logistics Operating Data:
Tons handled (thousands of tons)(3)	4,862			4,055			807			15,220			12,028			3,192
CMT take-or-pay shortfall tons (thousands of tons)(4)	1,005			1,748			(743		)	2,505			5,002			(2,497		)

(1) See Note 10 in our consolidated financial statements for both the definition of Adjusted EBITDA and the reconciliations from GAAP to the non-GAAP measurement for the three and nine months ended September 30, 2017 and 2016.

(2) Reflects Domestic Coke Adjusted EBITDA divided by Domestic Coke sales volumes.

(3) Reflects inbound tons handled during the period.

(4) Reflects tons billed under take-or-pay contracts where services have not yet been performed.

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Analysis of Segment Results

Domestic Coke

The following table explains year-over-year changes in our Domestic Coke segment's sales and other operating revenues and Adjusted EBITDA results:

	Three months ended September 30, 2017 vs. 2016					Nine months ended September 30, 2017 vs. 2016
	Sales and other operating revenue			Adjusted EBITDA		Sales and other operating revenue			Adjusted EBITDA
	(Dollars in millions)
Prior year period	$	170.8		$	42.9	$	517.2		$	130.3
Volumes(1)	(1.0		)	1.6		(4.2		)	2.6
Coal cost recovery and yields(2)	23.5			2.5		38.3			(0.9		)
Operating and maintenance costs	(1.2		)	0.8		(0.3		)	(1.9		)
Energy and other(3)	1.3			2.2		(2.4		)	(0.1		)
Current year period	$	193.4		$	50.0	$	548.6		$	130.0

(1) We delivered lower volumes to AK Steel in 2017 compared to 2016, but received make-whole payments in both periods based on the terms of our long-term, take-or-pay contract. As such this reduction in volumes did not impact the period-over-period change in Adjusted EBITDA.

(2) The increase in revenues was primarily driven by the pass-through of higher coal prices. These higher coal prices also increased the benefit of coal-to-coke yields, increasing Adjusted EBITDA. This benefit during the nine months ended September 30, 2017 was more than offset by the impact of the coal cover costs associated with the unfulfilled coal supply commitments by our coal supplier previously discussed in "Recent Developments and Items Impacting Comparability," which decreased both revenues and Adjusted EBITDA by $3.0 million for the nine months ended September 30, 2017.

(3) Lower allocations of costs from SunCoke benefited Adjusted EBITDA by $0.5 million during both the three and nine months ended September 30, 2017. Adjusted EBITDA for the nine months ended September 30, 2017 was favorably impacted by the absence of the second quarter 2016 write-off of a $1.4 million receivable related to 2015 spot coke sales to Essar Algoma. The three months ended September 30, 2017 had higher energy sales, increasing both revenue and Adjusted EBITDA by $0.8 million. For the nine months ended September 30, 2017, both revenues and Adjusted EBITDA were unfavorably impacted by $3.6 million of lower energy sales as a result of the planned outage at the Granite City facility in the second quarter.

Coal Logistics

The following table explains year-over-year changes in our Coal Logistics segment's sales and other operating revenues and Adjusted EBITDA results:

	Three months ended September 30, 2017 vs. 2016						Nine months ended September 30, 2017 vs. 2016
	Sales and other operating revenue, inclusive of intersegment sales			Adjusted EBITDA			Sales and other operating revenue, inclusive of intersegment sales			Adjusted EBITDA
	(Dollars in millions)
Prior year period	$	16.2		$	7.0		$	48.9		$	18.2
Transloading volumes(1)	6.1			5.7			17.6			17.2
Price/margin impact of mix in transloading services	(0.7		)	(0.8		)	(1.3		)	(1.3		)
Operating and maintenance costs and other	0.6			0.4			1.3			0.8
Current year period	$	22.2		$	12.3		$	66.5		$	34.9

(1) The increase in revenues and Adjusted EBITDA during the three and nine months ended September 30, 2017 was the result of higher tons handled as compared to the prior year periods of 807 thousand and 3,192 thousand, respectively, primarily at CMT, including nominal business from new customers.

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Corporate and Other

Corporate and other expenses improved$0.3 million and $1.1 million during the three and nine months ended September 30, 2017, respectively, as compared to the same prior year periods due to lower spending on professional services of $0.7 million and $1.2 million, respectively, as well as $0.4 million and $0.6 million, respectively, of favorable period-over-period, mark-to-market adjustments in deferred compensation caused by changes in the Partnership's unit price. These improvements were partially offset by higher cost allocations from SunCoke.

Liquidity and Capital Resources

Our primary liquidity needs are to finance the replacement of partially or fully depreciated assets and other capital expenditures, service our debt, fund investments, fund working capital, maintain cash reserves, and pay distributions. Our sources of liquidity include cash generated from operations, borrowings under our revolving credit facility and, from time to time, debt and equity offerings. We believe our current resources are sufficient to meet our working capital requirements for our current business for the foreseeable future. We may be required to access the capital markets for funding related to the maturities of our long-term borrowings beginning in 2022. As of September 30, 2017, we had $26.9 million of cash and cash equivalents and $83.1 million of borrowing availability under the Partnership Revolver.

Debt Refinancing

During the first nine months of 2017, the Partnership refinanced its debt obligations. The Partnership received $620.6 million of proceeds, net of a discount of $9.4 million, from the issuance of the 7.5 percent 2025 Partnership Notes and borrowed an additional $200.0 million of proceeds from borrowings under the Partnership's amended and restated credit facility. The Partnership also increased the Partnership Revolver capacity to $285.0 million and extended its maturities to May 2022. In connection with the debt refinancing and Partnership Revolver amendments, the Partnership incurred debt issuance costs of $14.9 million.

The Partnership used the proceeds described above to purchase and redeem all of its 2020 Partnership Notes, including principal of $463.0 million and a premium of $18.7 million, repay the $50.0 million outstanding on the Partnership Term Loan, repay the $172.0 million Partnership Revolver balance outstanding as of December 31, 2016 and repay the $112.6 million outstanding on the Partnership Promissory Note.

As a result of the debt refinancing, the Partnership anticipates annualized interest expense, net to increase by approximately $8 million, which includes approximately $6 million of cash interest and $2 million of amortization of debt issuance costs and discounts. See Note 7 to our consolidated financial statements for further details.

Covenants

As of September 30, 2017, the Partnership was in compliance with all applicable debt covenants. We do not anticipate violation of these covenants nor do we anticipate that any of these covenants will restrict our operations or our ability to obtain additional financing. See Note 7 to the consolidated financial statements for details on debt covenants.

Credit Rating

In May 2017, Moody's Investor Services ("Moody's") upgraded the SunCoke's corporate family rating to B1 from B2, in connection with the refinancing of the Partnership's capital structure. The rating upgrade reflects the improved steel market fundamentals and the strengthened financial position of our customers as well as de-leveraging undertaken by the Partnership in the past 24 months.

Distributions

On October 17, 2017, our Board of Directors declared a quarterly cash distribution of $0.5940 per unit. This distribution will be paid on December 1, 2017 to unitholders of record on November 15, 2017.

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Cash Flow Summary

The following table sets forth a summary of the net cash provided by (used in) operating, investing and financing activities for the nine months ended September 30, 2017 and 2016:

	Nine Months Ended September 30,
	2017			2016
	(Dollars in millions)
Net cash provided by operating activities	$	112.7		$	140.0
Net cash used in investing activities	(23.2		)	(11.0		)
Net cash used in financing activities	(104.4		)	(131.5		)
Net decrease in cash and cash equivalents	$	(14.9	)	$	(2.5	)

Cash Provided by Operating Activities

Net cash provided by operating activities decreased by $27.3 million to $112.7 million for the nine months ended September 30, 2017 as compared to $140.0 million in the corresponding period of 2016. The decrease in operating cash flows is primarily driven by the unfavorable year-over-year change in primary working capital, which is comprised of accounts receivable, inventories and accounts payable, of which approximately $25 million was due to fluctuating coal prices and inventory levels. Further contributing to the unfavorable year-over-year change was the payment of $7.0 million of the deferred corporate allocated costs to SunCoke during the second quarter of 2017, which had been deferred in the prior year period. These unfavorable impacts were partially offset by lower interest payments during the first nine months of 2017 as compared to the prior year period due primarily to changes in the timing of interest payments as a result of the Partnership refinancing its debt obligations in the second quarter of 2017.

Cash Used in Investing Activities

Net cash used in investing activities increased $12.2 million for the nine months ended September 30, 2017 as compared to the corresponding period in 2016. The increase was due to higher capital spending on the environmental remediation project during the first nine months of 2017 as compared to the same prior year period. The higher capital spend was net of the use of restricted cash, which consisted of cash withheld in the acquisition of CMT to fund the ship loader expansion capital project.

Cash Used in Financing Activities

Net cash used in financing activities was $104.4 million for the nine months ended September 30, 2017. In the first nine months of 2017, the Partnership received gross proceeds of $620.6 million from the issuance of the 2025 Partnership Senior Notes and $200.0 million from the Partnership Revolver under its amended and restated credit facility. The Partnership used the proceeds received primarily to repay $644.9 million of long-term debt, $172.0 million on the Partnership Revolver and pay $14.9 million of debt issuance costs related to the debt refinancing. Additionally, the Partnership paid distributions of $91.4 million to its unitholders and SunCoke during the first nine months of 2017.

Net cash used in financing activities was $131.5 million for the nine months ended September 30, 2016. In the first nine months of 2016, the Partnership repurchased $60.8 million of long-term debt, primarily Partnership Notes, paid distributions of $89.6 million and repaid $5.0 million on the Partnership Revolver. The repayments of debt and distributions were partially offset by capital contributions from SunCoke of $8.4 million from the reimbursement holiday and IDR giveback and proceeds received from the sale-leaseback arrangement of $16.2 million, which is accounted for as a financing obligation.

Capital Requirements and Expenditures

Our cokemaking operations are capital intensive, requiring significant investment to upgrade or enhance existing operations and to meet environmental and operational regulations. The level of future capital expenditures will depend on various factors, including market conditions and customer requirements, and may differ from current or anticipated levels. Material changes in capital expenditure levels may impact financial results, including but not limited to the amount of depreciation, interest expense and repair and maintenance expense.

Our capital requirements have consisted, and are expected to consist, primarily of:

• Ongoing capital expenditures required to maintain equipment reliability, ensure the integrity and safety of our coke ovens and steam generators and to comply with environmental regulations. Ongoing capital expenditures are made to replace partially or fully depreciated assets in order to maintain the existing operating capacity of the assets and/or to extend their useful lives and also include new equipment that improves the efficiency, reliability

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or effectiveness of existing assets. Ongoing capital expenditures do not include normal repairs and maintenance expenses, which are expensed as incurred;

• Environmental remediation project expenditures required to implement design changes to ensure that our existing facilities operate in accordance with existing environmental permits; and

• Expansion capital expenditures to acquire and/or construct complementary assets to grow our business and to expand existing facilities as well as capital expenditures made to enable the renewal of a coke sales agreement and on which we expect to earn a reasonable return.    

The following table summarizes ongoing, environmental remediation projects and expansion capital expenditures for the nine months ended September 30, 2017 and 2016:

	Nine Months Ended September 30,
	2017		2016
	(Dollars in millions)
Ongoing capital	$	11.9	$	10.7
Environmental remediation capital(1)	11.0		6.5
Expansion capital:			—
CMT ship loader(2)	0.1		12.9
Other expansion capital	0.3		—
Total	$	23.3	$	30.1

(1) Includes $0.7 million and $2.2 million of capitalized interest, in connection with the environmental remediation projects, during the nine months ended September 30, 2017 and 2016, respectively.

(2) Represents capital expenditures of $11.0 million for the ship loader expansion project funded with cash withheld in conjunction with the acquisition of CMT and $1.9 million of capitalized interest for the nine months ended September 30, 2016.

In 2017, we expect our capital expenditures to be approximately $45 million, which is comprised of the following:

• Total ongoing capital expenditures of approximately $19 million;

• Total capital expenditures on environmental remediation projects of approximately $25 million; and

• Total expansion capital of approximately $1 million in our Coal Logistics segment.

We retained $119 million in proceeds from our initial public offering and subsequent dropdowns to fund our environmental remediation projects to comply with the expected terms of a consent decree at the Haverhill and Granite City cokemaking operations. Pursuant to the omnibus agreement, any amounts that we spend on these projects in excess of the $119 million will be reimbursed by SunCoke. Prior to our formation, SunCoke spent approximately $7 million related to these projects. The Partnership has spent approximately $96 million to date and the remaining capital is expected to be spent through the first quarter of 2019. Under the omnibus agreement, SunCoke will reimburse us for approximately $15 million of additional spending on these projects.

Off-Balance Sheet Arrangements

We have letters of credit, operating leases and outstanding surety bonds to secure reclamation and other performance commitments. There have been no significant changes to these arrangements during the nine months ended September 30, 2017. Please refer to our Annual Report on Form 10-K filed on February 16, 2017 for further disclosure of these arrangements. Other than these arrangements, the Partnership has not entered into any transactions, agreements or other contractual arrangements that would result in material off-balance sheet liabilities.

Critical Accounting Policies

There have been no significant changes to our accounting policies during the nine months ended September 30, 2017. Please refer to our Annual Report on Form 10-K filed on February 16, 2017 for a summary of these policies.

Recent Accounting Standards

See Note 1 to our consolidated financial statements.

26

Non-GAAP Financial Measures

In addition to the GAAP results provided in the Annual Report on Form 10-K, we have provided a non-GAAP financial measure, Adjusted EBITDA. Our management, as well as certain investors, uses this non-GAAP measure to analyze our current and expected future financial performance and liquidity. This measure is not in accordance with, or a substitute for, GAAP and may be different from, or inconsistent with, non-GAAP financial measures used by other companies. See Note 10 in our consolidated financial statements for both the definition of Adjusted EBITDA and the reconciliations from GAAP to the non-GAAP measurement for the three and nine months ended September 30, 2017 and 2016, respectively. This reconciliation has been updated to reflect the impact of our debt refinancing activity.

Below is a reconciliation of 2017 estimated Adjusted EBITDA from its closest GAAP measures:

	2017
	Low			High
Net Cash Provided by Operating Activities	$	130		$	150
Subtract:
Depreciation and amortization expense	86			86
Deferred income tax expense	149			149
Changes in working capital and other	(23		)	(14		)
Loss on extinguishment of debt	20			20
Net loss	$	(102	)	$	(91	)
Add:
Depreciation and amortization expense	86			86
Interest expense, net	58			57
Loss on extinguishment of debt	20			20
Income tax expense	151			151
Adjusted EBITDA	$	213		$	223
Subtract: Adjusted EBITDA attributable to noncontrolling interest(1)	3			3
Adjusted EBITDA attributable to SunCoke Energy Partners, L.P.	$	210		$	220

(1) Reflects net income attributable to noncontrolling interest adjusted for noncontrolling interest's share of interest, taxes, income, and depreciation and amortization.

27

CAUTIONARY STATEMENT CONCERNING FORWARD-LOOKING STATEMENTS

We have made forward-looking statements in this Quarterly Report on Form 10-Q, including, among others, in the sections entitled “Risk Factors,” “Quantitative and Qualitative Disclosures About Market Risk” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations.” Such forward-looking statements are based on management’s beliefs and assumptions and on information currently available. Forward-looking statements include the information concerning our possible or assumed future results of operations, business strategies, financing plans, competitive position, potential growth opportunities, potential operating performance, and the effects of competition and the effects of future legislation or regulations. Forward-looking statements include all statements that are not historical facts and may be identified by the use of forward-looking terminology such as the words “believe,” “expect,” “plan,” “intend,” “anticipate,” “estimate,” “predict,” “potential,” “continue,” “may,” “will,” “should” or the negative of these terms or similar expressions. In particular, statements in this Quarterly Report on Form 10-Q concerning future distributions are subject to approval by our Board of Directors and will be based upon circumstances then existing.

Forward-looking statements involve risks, uncertainties and assumptions. Actual results may differ materially from those expressed in these forward-looking statements. You should not put undue reliance on any forward-looking statements. We do not have any intention or obligation to update any forward-looking statement (or its associated cautionary language), whether as a result of new information or future events, after the date of this Quarterly Report on Form 10-Q, except as required by applicable law.

The risk factors discussed in “Risk Factors” could cause our results to differ materially from those expressed in the forward-looking statements made in this Quarterly 10-Q. There also may be other risks that we are unable to predict at this time. Such risks and uncertainties include, without limitation:

• changes in levels of production, production capacity, pricing and/or margins for coal and coke;

• variation in availability, quality and supply of metallurgical coal used in the cokemaking process, including as a result of non-performance by our suppliers;

• changes in the marketplace that may affect our logistics business, including the supply and demand for thermal and metallurgical coals;

• changes in the marketplace that may affect our cokemaking business, including the supply and demand for our coke, as well as increased imports of coke from foreign producers;

• competition from alternative steelmaking and other technologies that have the potential to reduce or eliminate the use of coke;

• our dependence on, relationships with, and other conditions affecting, our customers;

• severe financial hardship or bankruptcy of one or more of our major customers, or the occurrence of a customer default or other event affecting our ability to collect payments from our customers;

• volatility and cyclical downturns in the coal market, in the carbon steel industry, and other industries in which our customers and/or suppliers operate;

• our ability to enter into new, or renew existing, long-term agreements upon favorable terms for the sale of coke, steam, or electric power, or for coal and other aggregates handling services (including transportation, storage and mixing);

• our ability to identify acquisitions, execute them under favorable terms and integrate them into our existing business operations;

• our ability to realize expected benefits from investments and acquisitions;

• our ability to consummate investments under favorable terms, including with respect to existing cokemaking facilities, which may utilize by-product technology, and integrate them into our existing businesses and have them perform at anticipated levels;

• our ability to develop, design, permit, construct, start up or operate new cokemaking facilities in the U.S.;

• our ability to successfully implement our growth strategy;

• age of, and changes in the reliability, efficiency and capacity of the various equipment and operating facilities used in our cokemaking and/or logistics operations, and in the operations of our major customers, business partners and/or suppliers;

• changes in the expected operating levels of our assets;

28

• our ability to meet minimum volume requirements, coal-to-coke yield standards and coke quality standards in our coke sales agreements;

• changes in the level of capital expenditures or operating expenses, including any changes in the level of environmental capital, operating or remediation expenditures;

• our ability to service our outstanding indebtedness;

• our ability to comply with the restrictions imposed by our financing arrangements;

• our ability to comply with federal or state environmental statutes, rules or regulations;

• nonperformance or force majeure by, or disputes with, or changes in contract terms with, major customers, suppliers, dealers, distributors or other business partners;

• availability of skilled employees for our cokemaking and/or logistics operations, and other workplace factors;

• effects of railroad, barge, truck and other transportation performance and costs, including any transportation disruptions;

• effects of adverse events relating to the operation of our facilities and to the transportation and storage of hazardous materials (including equipment malfunction, explosions, fires, spills, and the effects of severe weather conditions);

• effects of adverse events relating to the business or commercial operations of our customers and/or suppliers;

• disruption in our information technology infrastructure and/or loss of our ability to securely store, maintain, or transmit data due to security breach by hackers, employee error or malfeasance, terrorist attack, power loss, telecommunications failure or other events;

• our ability to enter into joint ventures and other similar arrangements under favorable terms;

• our ability to consummate assets sales, other divestitures and strategic restructuring in a timely manner upon favorable terms, and/or realize the anticipated benefits from such actions;

• changes in the availability and cost of equity and debt financing;

• impacts on our liquidity and ability to raise capital as a result of changes in the credit ratings assigned to our indebtedness;

• changes in credit terms required by our suppliers;

• risks related to labor relations and workplace safety;

• proposed or final changes in existing, or new, statutes, regulations, rules, governmental policies and taxes, or their interpretations, including those relating to environmental matters and taxes;

• the existence of hazardous substances or other environmental contamination on property owned or used by us;

• receipt of required permits and other regulatory approvals and compliance with contractual obligations in connection with our cokemaking and/or logistics operations;

• claims of noncompliance with any statutory and regulatory requirements;

• the accuracy of our estimates of any necessary reclamation and/or remediation activities;

• proposed or final changes in accounting and/or tax methodologies, laws, regulations, rules, or policies, or their interpretations, including those affecting inventories, leases, post-employment benefit income, and/or other items;

• historical consolidated financial data may not be reliable indicator of future results;

• public company costs;

• our indebtedness and certain covenants in our debt documents;

• changes in product specifications for the coke that we produce or the coals that we mix, store and transport;

• changes in insurance markets impacting costs and the level and types of coverage available, and the financial ability of our insurers to meet their obligations;

• changes in financial markets impacting pension expense and funding requirements;

• inadequate protection of our intellectual property rights; and

29

• effects of geologic conditions, weather, natural disasters and other inherent risks beyond our control.

The factors identified above are believed to be important factors, but not necessarily all of the important factors, that could cause actual results to differ materially from those expressed in any forward-looking statement made by us. Other factors not discussed herein could also have material adverse effects on us. All forward-looking statements included in this Quarterly Report on Form 10-Q are expressly qualified in their entirety by the foregoing cautionary statements.

30

Item 3. Quantitative and Qualitative Disclosures About Market Risk

There have been no material changes to the Partnership's exposure to market risk disclosed in our Annual Report on Form 10-K for the year ended December 31, 2016.

Item 4. Controls and Procedures

Management’s Evaluation of Disclosure Controls and Procedures

The Partnership maintains disclosure controls and procedures, (as defined in Rule 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934), as amended (the “Exchange Act”) that are designed to ensure that information required to be disclosed in its reports filed or submitted under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the Securities and Exchange Commission's rules and forms, and that such information is accumulated and communicated to the Partnership’s management, including its Chief Executive Officer and Chief Financial Officer as appropriate, to allow timely decisions regarding required disclosure.

In designing and evaluating the disclosure controls and procedures, management recognizes that any controls and procedures, no matter how well designed and operated, can provide only reasonable assurance of achieving the desired control objectives.

The Partnership carried out an evaluation, under the supervision and with the participation of management, including its Chief Executive Officer and Chief Financial Officer, of the effectiveness of the design and operation of the Partnership’s disclosure controls and procedures as of the end of the period covered by this report. Based on this evaluation, the Partnership’s Chief Executive Officer and Chief Financial Officer concluded that the Partnership's disclosure controls and procedures were effective as of the end of the period covered by this report.

Changes in Internal Control over Financial Reporting

There have been no changes in the Partnership’s internal control over financial reporting that occurred during the most recently completed fiscal quarter that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

31

PART II - OTHER INFORMAITON

Item 1. Legal Proceedings

The information presented in Note 8 to our consolidated financial statements within this Quarterly Report on Form 10-Q is incorporated herein by reference.

Many legal and administrative proceedings are pending or may be brought against us arising out of our current and past operations, including matters related to commercial and tax disputes, product liability, employment claims, personal injury claims, premises-liability claims, allegations of exposures to toxic substances and general environmental claims. Although the ultimate outcome of these proceedings cannot be ascertained at this time, it is reasonably possible that some of them could be resolved unfavorably to us. Our management believes that any liabilities that may arise from such matters would not be material in relation to our business or our consolidated financial position, results of operations or cash flows at September 30, 2017.

Item 1A. Risk Factors

There have been no material changes with respect to the risk factors disclosed in our Annual Report on Form 10-K for the year ended December 31, 2016.

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

Market Repurchases

There has been no activity with respect to the program to repurchase outstanding units during the three months ended September 30, 2017. Please refer to SunCoke Energy Partners' Annual Report on Form 10-K filed on February 16, 2017 for further information on the program.

Item 4. Mine Safety Disclosures

Certain logistics assets are subject to Mine Safety and Health Administration regulatory purview. The information concerning mine safety violations and other regulatory matters that we are required to report in accordance with Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act and Item 104 of Regulation S-K (17 CFR 229.014) is included in Exhibit 95.1 to this Quarterly Report on Form 10-Q.

32

Item 6. Exhibits

The following exhibits are filed as part of, or incorporated by reference into, this Form 10-Q.

Exhibit Number	Description
3.1	Certificate of Limited Partnership of SunCoke Energy Partners, L.P. incorporate by reference to Exhibit 3.1 to the Registration Statement on Form S-1 (File No. 333-183162) filed August 8, 2012.
3.2	First Amended and Restated Agreement of Limited Partnership of SunCoke Energy Partners, L.P., dated as of January 24, 2013, incorporate by reference to Exhibit 3.1 to the Current Report on Form 8-K (File No. 001-35782) filed on January 24, 2013
3.2.1	Amendment No. 1 to First Amended and Restated Agreement of Limited Partnership of SunCoke Energy Partners, L.P., dated December 23, 2015, incorporate by reference to Exhibit 3.1 to the Current Report on Form 8-K (File No. 001-35782) filed on December 30, 2015.
3.2.2	Amendment No. 2 to First Amended and Restated Agreement of Limited Partnership of SunCoke Energy Partnership, L.P., dated as October 17, 2017 (incorporated by reference to Exhibit 3.1 of the Partnership's Current Report on Form 8-K, filed on October 17, 2017, File No.:001-35782
31.1*	Chief Executive Officer Certification Pursuant to Exchange Act Rule 13a-14(a) or Rule 15d-14(a), as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2*	Chief Financial Officer Certification Pursuant to Exchange Act Rule 13a-14(a) or Rule 15d-14(a), as Adopted Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1*	Chief Executive Officer Certification Pursuant to Exchange Act Rule 13a-14(b) or Rule 15d-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code, as Adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
32.2*	Chief Financial Officer Certification Pursuant to Exchange Act Rule 13a-14(b) or Rule 15d-14(b) and Section 1350 of Chapter 63 of Title 18 of the United States Code, as Adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
95.1*	Mine Safety Disclosures
101*	The following financial statements from SunCoke Energy Partners L.P.'s Quarterly Report on Form 10-Q for the three months ended September 30, 2017, filed with the Securities and Exchange Commission on October 26, 2017, formatted in XBRL (eXtensible Business Reporting Language is attached to this report): (i) the Consolidated Statements of Operations; (ii) the Consolidated Balance Sheets; (iii) the Consolidated Statements of Cash Flows; (iv) the Consolidated Statement of Equity; and, (v) the Notes to Consolidated Financial Statements.

* Filed herewith.

33

SIGNATURE

Pursuant to the requirements of Section 13 or 15(a) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Lisle, State of Illinois, on October 26, 2017.

SunCoke Energy Partners, L.P.
By:	SunCoke Energy Partners GP LLC, its general partner
By:	/s/ Fay West
	Fay West
	Senior Vice President and Chief Financial Officer (As Principal Financial Officer and Duly Authorized Officer of SunCoke Energy Partners GP LLC)

34

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Frederick A. Henderson, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q for the quarter ended September 30, 2017 of SunCoke Energy Partners, L.P. (the “registrant”);

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

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

4. The registrant’s other certifying officer(s) 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)) 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) 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

(c) 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 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(s) 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.

/s/ Frederick A. Henderson

Frederick A. Henderson

Chairman, President and Chief Executive Officer

October 26, 2017

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Fay West, certify that:

1. I have reviewed this Quarterly Report on Form 10-Q for the quarter ended September 30, 2017 of SunCoke Energy Partners, L.P. (the “registrant”);

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

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

4. The registrant’s other certifying officer(s) 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)) 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) 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

(c) 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 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(s) 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.

/s/ Fay West

Fay West

Senior Vice President and Chief Financial Officer

October 26, 2017

EX-32.1

Exhibit 32.1

CERTIFICATION

OF

CHIEF EXECUTIVE OFFICER

OF

SUNCOKE ENERGY PARTNERS GP LLC

PURSUANT TO 18 U.S.C. SECTION 1350

In connection with this Quarterly Report on Form 10-Q of SunCoke Energy Partners, L.P. for the fiscal quarter ended September 30, 2017, I, Frederick A. Henderson, Chief Executive Officer and Chairman of SunCoke Energy Partners GP LLC, the general partner of SunCoke Energy Partners, L.P., hereby certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1. This Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2017 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in this Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2017 fairly presents, in all material respects, the financial condition and results of operations of SunCoke Energy Partners, L.P. for the periods presented therein.

/s/ Frederick A. Henderson

Frederick A. Henderson

Chairman, President and Chief Executive Officer

October 26, 2017

EX-32.2

Exhibit 32.2

CERTIFICATION

OF

CHIEF FINANCIAL OFFICER

OF

SUNCOKE ENERGY PARTNERS GP LLC

PURSUANT TO 18 U.S.C. SECTION 1350

In connection with this Quarterly Report on Form 10-Q of SunCoke Energy Partners, L.P. for the fiscal quarter ended September 30, 2017, I, Fay West, Senior Vice President and Chief Financial Officer of SunCoke Energy Partners GP LLC, the general partner of SunCoke Energy Partners, L.P., hereby certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1. This Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2017 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2. The information contained in this Quarterly Report on Form 10-Q for the fiscal quarter ended September 30, 2017 fairly presents, in all material respects, the financial condition and results of operations of SunCoke Energy Partners, L.P. for the periods presented therein.

/s/ Fay West

Fay West

Senior Vice President and

Chief Financial Officer

October 26, 2017

EX-95.1

Exhibit 95.1

SunCoke Energy Partners

Mine Safety Disclosures for the Quarter Ended September 30, 2017

We are committed to maintaining a safe work environment and working to ensure environmental compliance across all of our operations. The health and safety of our employees and limiting the impact to communities in which we operate are critical to our long-term success. We believe that we employ industry best practices and conduct routine training programs and we also focus additional effort and resources each day and each shift to help ensure that our employees are focused on safety. Furthermore, we employ a structured safety and environmental process that provides a robust framework for managing, monitoring and improving safety and environmental performance.

We have consistently operated our metallurgical coke operations within or near the top quartile for the U.S. Occupational Safety and Health Administration’s recordable injury rates as measured and reported by the American Coke and Coal Chemicals Institute. We also have worked to maintain low injury rates reportable to the U.S. Department of Labor’s Mine Safety and Health Administration (“MSHA”).

The following table presents the information concerning mine safety violations and other regulatory matters that we are required to report in accordance with Section 1503(a) of the Dodd-Frank Wall Street Reform and Consumer Protection Act. Whenever MSHA believes that a violation of the Federal Mine Safety and Health Act of 1977 (the “Mine Act”), any health or safety standard, or any regulation has occurred, it may issue a citation which describes the violation and fixes a time within which the operator must abate the violation. In these situations, MSHA typically proposes a civil penalty, or fine, that the operator is ordered to pay. In evaluating the following table regarding mine safety, investors should take into account factors such as: (1) the number of citations and orders will vary depending on the size of a coal mine, (2) the number of citations issued will vary from inspector to inspector, mine to mine and MSHA district to district and (3) citations and orders can be contested and appealed, and during that process are often reduced in severity and amount, and are sometimes dismissed.

The mine data retrieval system maintained by MSHA may show information that is different than what is provided in the table below. Any such difference may be attributed to the need to update that information on MSHA’s system or other factors. Orders and citations issued to independent contractors who work at our mine sites are not reported in the table below. All section references in the table below refer to provisions of the Mine Act.

Mine or Operating Name/MSHA Identification Number	Section 104 S&S Citations (#)(2)	Section 104(b) Orders (#)(3)	Section 104(d) Citations and Orders (#)(4)	Section 110(b)(2) Violations (#)(5)	Section 107(a) Orders (#)(6)	Total Dollar Value of MSHA Assessments Proposed ($)(7)	Total Number of Mining Related Fatalities (#)	Received Notice of Pattern of Violations Under Section 104(e) (yes/no)(8)	Received Notice of Potential to Have Pattern Under Section 104(e) (yes/no)(9)	Legal Actions Pending as of Last Day of Period (#)(10)(11)	Legal Actions Initiated During Period (#)(12)	Legal Actions Resolved During Period (#)(13)
Ceredo Dock/46-09051	—	—	—	—	—	$232.00	—	—	No	No	—	—
Quincy Dock/46-07736	2	—	—	—	—	—	—	—	No	No	—	—
Colona Synfuel (Belfry #5)/15-10789	—	—	—	—	—	—	—	—	No	No	—	—
Total	2	—	—	—	—	$232.00	—	—	—	—	—	—

(1) The table does not include the following: (i) facilities which have been idle or closed unless they received a citation or order issued by MSHA, (ii) permitted mining sites where we have not begun operations or (iii) mines that are operated on our behalf by contractors who hold the MSHA numbers and have the MSHA liabilities.

(2) Alleged violations of mandatory health or safety standards that could significantly and substantially contribute to the cause and effect of a coal or other mine safety or health hazard.

(3) Alleged failures to totally abate a citation within the period of time specified in the citation.

(4) Alleged unwarrantable failure (i.e., aggravated conduct constituting more than ordinary negligence) to comply with a mining safety standard or regulation.

Page 1        

(5) Alleged flagrant violations issued.

(6) Alleged conditions or practices which could reasonably be expected to cause death or serious physical harm before such condition or practice can be abated.

(7) Amounts shown include assessments proposed during the quarter ended September 30, 2017 and do not necessarily relate to the citations or orders reflected in this table. Assessments for citations or orders reflected in this table may be proposed by MSHA after September 30, 2017.

(8) Alleged pattern of violations of mandatory health or safety standards that are of such nature as could have significantly and substantially contributed to the cause and effect of coal or other mine health or safety hazards.

(9) Alleged potential to have a pattern of violations of mandatory health or safety standards that are of such nature as could have significantly and substantially contributed to the cause and effect of coal or other mine health or safety hazards.

(10) This number reflects legal proceedings which remain pending before the Federal Mine Safety and Health Review Commission (the “FMSHRC”) as of September 30, 2017. The pending legal actions may relate to the citations or orders issued by MSHA during the reporting period or to citations or orders issued in prior periods. The FMSHRC has jurisdiction to hear not only challenges to citations, orders, and penalties but also certain complaints by miners. The number of “pending legal actions” reported here reflects the number of contested citations, orders, penalties or complaints which remain pending as of September 30, 2017.

(11) The legal proceedings which remain pending before the FMSHRC as of September 30, 2017 are categorized as follows in accordance with the categories established in the Procedural Rules of the FMSHRC:

Mine or Operating Name/MSHA Identification Number	Contests of Citations and Orders (#)	Contests of Proposed Penalties (#)	Complaints for Compensation (#)	Complaints for Discharge, Discrimination or Interference Under Section 105 (#)	Applications for Temporary Relief (#)	Appeals of Judges’ Decisions or Orders (#)
Ceredo Dock/46-09051	—	—	—	—	—	—
Quincy Dock/46-07736	—	—	—	—	—	—
Colona Synfuel (Belfry #5)/15-10789	—	—	—	—	—	—
Total	—	—	—	—	—	—

(12) This number reflects legal proceedings initiated before the FMSHRC during the quarter ended September 30, 2017. The number of “initiated legal actions” reported here may not have remained pending as of September 30, 2017.

(13) This number reflects legal proceedings before the FMSHRC that were resolved during the quarter ended September 30, 2017.

Page 2        

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Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2017	Oct. 20, 2017
Document and Entity Information [Abstract]
Entity Registrant Name	SunCoke Energy Partners, L.P.
Entity Central Index Key	0001555538
Document Type	10-Q
Document Period End Date	Sep. 30, 2017
Amendment Flag	false
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q3
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Common Stock, Common Unit Outstanding		46,225,899

XML

Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenues
Sales and other operating revenue	$ 214.0	$ 185.5	$ 610.2	$ 561.4
Costs and operating expenses
Cost of products sold and operating expenses	146.2	125.5	431.0	388.3
Selling, general and administrative expenses	7.4	9.0	24.4	28.5
Depreciation and amortization expense	20.2	18.1	63.3	57.3
Total costs and operating expenses	173.8	152.6	518.7	474.1
Operating income	40.2	32.9	91.5	87.3
Interest expense, net	15.1	11.5	41.7	35.7
Loss (gain) on extinguishment of debt	0.1	(1.0)	20.0	(24.9)
Income before income tax expense	25.0	22.4	29.8	76.5
Income tax expense	1.7	0.4	150.7	1.4
Net income (loss)	23.3	22.0	(120.9)	75.1
Less: Net income (loss) attributable to noncontrolling interests	0.7	0.7	(1.3)	1.9
Net income (loss) attributable to SunCoke Energy Partners, L.P.	22.6	21.3	(119.6)	73.2
General partner's interest in net income	1.9	1.8	1.8	13.6
Limited partners' interest in net income (loss)	$ 20.7	$ 19.5	$ (121.4)	$ 59.6
Net income (loss) per common unit (basic and diluted) (in dollars per share)	$ 0.45	$ 0.42	$ (2.63)	$ 1.29
Weighted average common units outstanding - basic and diluted (in shares)	46.2	46.2	46.2	46.2

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Consolidated Balance Sheets - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents	$ 26.9	$ 41.8
Receivables	46.0	39.7
Receivables from affiliate, net	2.6	0.0
Inventories	85.3	66.9
Other current assets	5.2	1.6
Total current assets	166.0	150.0
Properties, plants and equipment (net of accumulated depreciation of $405.5 million and $352.6 million at September 30, 2017 and December 31, 2016, respectively)	1,268.6	1,294.9
Goodwill	73.5	73.5
Other intangible assets, net	168.9	176.7
Deferred charges and other assets	0.8	0.9
Total assets	1,677.8	1,696.0
Liabilities and Equity
Accounts payable	69.5	47.0
Accrued liabilities	14.5	11.7
Deferred revenue	16.6	2.5
Current portion of long-term debt and financing obligation	2.6	4.9
Interest payable	17.0	14.7
Payable to affiliate, net	0.0	4.7
Total current liabilities	120.2	85.5
Long-term debt and financing obligation	816.3	805.7
Deferred income taxes	188.3	37.9
Other deferred credits and liabilities	10.0	13.2
Total liabilities	1,134.8	942.3
Equity
Equity	531.6	739.3
Noncontrolling interest	11.4	14.4
Total equity	543.0	753.7
Total liabilities and equity	1,677.8	1,696.0
Common Units - Public
Equity
Equity	185.2	296.9
Common Units - Parent
Equity
Equity	318.5	410.3
General Partner
Equity
Equity	$ 27.9	$ 32.1

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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Accumulated depreciation	$ 405.5	$ 352.6
Common Units - Public
Limited partners' capital account units issued (in units)	18,829,226	20,800,181
Common Units - Parent
Limited partners' capital account units issued (in units)	27,396,673	25,415,696

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Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Cash Flows from Operating Activities:
Net (loss) income	$ (120.9)	$ 75.1
Adjustments to reconcile net (loss) income to net cash provided by operating activities:
Depreciation and amortization expense	63.3	57.3
Deferred income tax expense	150.4	0.2
Loss (gain) on extinguishment of debt	20.0	(24.9)
Changes in working capital pertaining to operating activities:
Receivables	(6.3)	2.1
Receivables (payables) from affiliate, net	(5.9)	6.2
Inventories	(18.4)	9.2
Accounts payable	16.6	5.0
Accrued liabilities	2.8	1.2
Deferred revenue	14.1	25.5
Interest payable	2.3	(11.2)
Other	(5.3)	(5.7)
Net cash provided by operating activities	112.7	140.0
Cash Flows from Investing Activities:
Capital expenditures	(23.3)	(30.1)
Decrease in restricted cash	0.1	17.0
Other investing activities	0.0	2.1
Net cash used in investing activities	(23.2)	(11.0)
Cash Flows from Financing Activities:
Proceeds from issuance of long-term debt	620.6	0.0
Repayment of long-term debt	(644.9)	(60.8)
Proceeds from financing obligation	0.0	16.2
Repayment of financing obligation	(1.8)	(0.5)
Proceeds from revolving credit facility	268.0	20.0
Repayment of revolving credit facility	(240.0)	(25.0)
Debt issuance costs	(14.9)	(0.2)
Distributions to unitholders (public and parent)	(89.7)	(86.8)
Distributions to noncontrolling interest (SunCoke Energy, Inc.)	(1.7)	(2.8)
Capital contributions from SunCoke	0.0	8.4
Net cash used in financing activities	(104.4)	(131.5)
Net decrease in cash and cash equivalents	(14.9)	(2.5)
Cash and cash equivalents at beginning of period	41.8	48.6
Cash and cash equivalents at end of period	26.9	46.1
Supplemental Disclosure of Cash Flow Information
Interest paid	$ 38.3	$ 49.8

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Consolidated Statement of Equity (Unaudited) - 9 months ended Sep. 30, 2017 - USD ($) $ in Millions	Total	Common Limited Partner	Common Limited Partner SunCoke Energy Inc	General Partner General Partner SunCoke Energy Inc	Noncontrolling Interest
Balance at beginning of period at Dec. 31, 2016	$ 753.7	$ 296.9	$ 410.3	$ 32.1	$ 14.4
Increase (Decrease) in Stockholders' Equity
Partnership net loss	(120.9)	(55.2)	(66.2)	1.8	(1.3)
Distribution to unitholders, net of unit issuances	(88.1)	(35.8)	(46.3)	(6.0)
Distributions to noncontrolling interest	(1.7)				(1.7)
Public units acquired by SunCoke	0.0	(20.7)	20.7
Balance at end of period at Sep. 30, 2017	$ 543.0	$ 185.2	$ 318.5	$ 27.9	$ 11.4

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General

9 Months Ended

Sep. 30, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

General

1. General

Description of Business

SunCoke Energy Partners, L.P., (the "Partnership", "we", "our", and "us"), is a Delaware limited partnership formed inJuly 2012, which primarily produces coke used in the blast furnace production of steel. At September 30, 2017, we owned a 98 percentinterest in Haverhill Coke Company LLC ("Haverhill"), Middletown Coke Company, LLC ("Middletown") and Gateway Energy and Coke Company, LLC ("Granite City"). The remaining 2.0 percent ownership interest in our three cokemaking facilities was owned by SunCoke Energy, Inc. ("SunCoke"). We also own a logistics business, which provides handling and/or mixing services of coal and other aggregates to third-party customers as well as to our own cokemaking facilities and other SunCoke cokemaking facilities. Our logistics business consists of Convent Marine Terminal ("CMT"), Kanawha River Terminals, LLC ("KRT") and SunCoke Lake Terminal, LLC ("Lake Terminal"). At September 30, 2017, SunCoke, through a subsidiary, owned a 58.1 percent limited partnership interest in us and indirectly owned and controlled our general partner, which holds a 2.0 percent general partner interest in us and all of our incentive distribution rights ("IDR").

Organized in Delaware in 2012 and headquartered in Lisle, Illinois, we became a publicly-traded partnership in 2013 and our stock is listed on the New York Stock Exchange (“NYSE”) under the symbol “SXCP.”

Basis of Presentation

The accompanying unaudited consolidated financial statements included herein have been prepared in conformity with accounting principles generally accepted in the United States ("GAAP") for interim reporting. Certain information and disclosures normally included in financial statements have been omitted pursuant to the rules and regulations of the Securities and Exchange Commission ("SEC"). In management’s opinion, the financial statements reflect all adjustments, which are of a normal recurring nature, necessary for a fair presentation of the results of operations, financial position and cash flows for the periods presented. The results of operations for the periods ended September 30, 2017 are not necessarily indicative of the operating results for the full year. These unaudited interim consolidated financial statements and notes should be read in conjunction with the audited consolidated financial statements and notes included in our Annual Report on Form 10-K for the year ended December 31, 2016.

New Accounting Pronouncements

In May 2014, Financial Accounting Standards Board ("FASB") Accounting Standards Update ("ASU") 2014-09, “Revenue from Contracts with Customers (Topic 606),” which supersedes the revenue recognition requirements in “Revenue Recognition (Topic 605),” and requires entities to recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. Subsequently, the FASB has issued various ASUs to provide further clarification around certain aspects of ASC 606. This standard will be effective for annual reporting periods beginning after December 15, 2017, including interim periods within that reporting period, and early adoption is permitted on a limited basis. Our implementation team has gained an understanding of the standard’s revenue recognition model and is completing the analysis and documentation of our contract details for impacts under the new revenue recognition model. While we are currently evaluating the impact of the standard, we expect the timing of our revenue recognition to generally remain the same under the new standard on an annual basis. Deferred revenue at CMT may be recognized on a more accelerated basis during quarterly periods within the year based on facts and circumstances considered at each quarter under the new guidance. The Partnership expects to adopt this standard on January 1, 2018 using the modified retrospective method.

In February 2016, the FASB issued ASU 2016-02, "Leases (Topic 842)." ASU 2016-02 requires lessees to recognize assets and liabilities on the balance sheet for the rights and obligations created by all leases with terms of more than 12 months. It is effective for annual and interim periods in fiscal years beginning after December 15, 2018, with early adoption permitted. The standard requires the use of a modified retrospective transition method. A multi-disciplined implementation team has gained an understanding of the accounting and disclosure provisions of the standard and is in the process of analyzing the impacts to our business, including the development of new accounting processes to account for our leases and support the required disclosures. While we are still evaluating the impact of adopting this standard, we expect upon adoption the right-of-use assets and lease liabilities, such as various plant equipment rentals and the lease of our corporate office space, will increase the reported assets and liabilities on our Consolidated Balance Sheets. The Partnership expects to adopt this standard on January 1, 2019.

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Related Party Transactions and Agreements

9 Months Ended

Sep. 30, 2017

Related Party Transactions [Abstract]

Related Party Transactions and Agreements

2. Related Party Transactions and Agreements

Transactions with Affiliate

Our logistics business provides coal handling and mixing services to certain SunCoke cokemaking operations. Coal Logistics recorded revenues derived from services provided to SunCoke’s cokemaking operations of $2.2 million and $6.8 million for the three and nine months ended September 30, 2017, respectively, and $2.5 million and $7.7 million for the three and nine months ended September 30, 2016, respectively. Additionally, Domestic Coke purchased coal from SunCoke and its affiliates totaling $1.6 million and $3.8 million during the three and nine months ended September 30, 2016, respectively.

Allocated Expenses

SunCoke charges us for all direct costs and expenses incurred on our behalf and allocated costs associated with support services provided to our operations. Allocated expenses from SunCoke for general corporate and operations support costs totaled $6.8 million and $20.7 million for the three and nine months ended September 30, 2017, respectively, and $6.5 million and $20.4 million for three and nine months ended September 30, 2016, respectively, and were included in selling, general and administrative expenses on the Consolidated Statements of Operations. These costs include legal, accounting, tax, treasury, engineering, information technology, insurance, employee benefit costs, communications, human resources, and procurement. Corporate allocations are recorded in accordance with the terms of our omnibus agreement with SunCoke and our general partner.

During the second quarter of 2017, the Partnership reimbursed SunCoke $7.0 million and $1.4 million for corporate allocated costs and IDR cash distributions, respectively, previously deferred in the second quarter of 2016. These amounts were included in payable to affiliate, net on the Consolidated Balance Sheets as of December 31, 2016.

Omnibus Agreement

In connection with the closing of our initial public offering on January 24, 2013 ("IPO"), we entered into an omnibus agreement with SunCoke and our general partner that addresses certain aspects of our relationship with them, including:

Business Opportunities. We have preferential rights to invest in, acquire and construct cokemaking facilities in the United States ("U.S.") and Canada. SunCoke has preferential rights to all other business opportunities.

Potential Defaults by Coke Agreement Counterparties. For a period of five years from the closing date of the IPO, SunCoke has agreed to make us whole (including an obligation to pay for coke) to the extent (i) AK Steel Holding Corporation ("AK Steel") exercises the early termination right provided in its Haverhill coke sales agreement, (ii) any customer fails to purchase coke or defaults in payment under its coke sales agreement (other than by reason of force majeure or our default) or (iii) we amend a coke sales agreement's terms to reduce a customer's purchase obligation as a result of the customer's financial distress. We and SunCoke will share in any damages and other amounts recovered from third-parties arising from such events in proportion to our relative losses.

Environmental Indemnity. SunCoke will indemnify us to the full extent of any remediation losses at the Haverhill and Middletown cokemaking facilities arising from any environmental matter discovered and identified as requiring remediation prior to the closing of the IPO. In addition, SunCoke will indemnify us for remediation losses at the Granite City cokemaking facility arising from any environmental matter discovered and identified as requiring remediation prior to the closing of the January 2015 dropdown of a 75 percent interest in Granite City ("Granite City Dropdown"). If, prior to the fifth anniversary of the closing of the IPO, a pre-existing environmental matter is identified as requiring remediation, SunCoke will indemnify us for up to $50.0 million of any such remediation costs (we will bear the first $5.0 million of any such costs).

Other Indemnification. SunCoke will fully indemnify us with respect to any additional tax liability related to periods prior to or in connection with the closing of the IPO or the Granite City Dropdown to the extent not currently presented on the Consolidated Balance Sheets. Additionally, SunCoke will either cure or fully indemnify us for losses resulting from any material title defects at the properties owned by the entities acquired in connection with the closing of the IPO or the Granite City Dropdown to the extent that those defects interfere with or could reasonably be expected to interfere with the operations of the related cokemaking facilities. We will indemnify SunCoke for events relating to our operations except to the extent that we are entitled to indemnification by SunCoke.

License. SunCoke has granted us a royalty-free license to use the name “SunCoke” and related marks. Additionally, SunCoke has granted us a non-exclusive right to use all of SunCoke's current and future cokemaking and related technology. We have not paid and will not pay a separate license fee for the rights we receive under the license.

Expenses and Reimbursement. SunCoke will continue to provide us with certain corporate and other services, and we will reimburse SunCoke for all direct costs and expenses incurred on our behalf and a portion of corporate and other costs and expenses attributable to our operations.

So long as SunCoke controls our general partner, the omnibus agreement will remain in full force and effect unless mutually terminated by the parties. If SunCoke ceases to control our general partner, the omnibus agreement will terminate, but our rights to indemnification and use of SunCoke's existing cokemaking and related technology will survive. The omnibus agreement can be amended by written agreement of all parties to the agreement, but we may not agree to any amendment that would, in the reasonable discretion of our general partner, be adverse in any material respect to the holders of our common units without prior approval of the conflicts committee.

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Cash Distributions and Net Income Per Unit

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Cash Distributions and Net Income Per Unit

3. Cash Distributions and Net Income Per Unit

Cash Distributions

Our partnership agreement generally provides that we will make cash distributions, if any, each quarter in the following manner:

• first, 98 percent to the holders of common units and 2 percent to our general partner, until each common unit has received the minimum quarterly distribution of $0.412500 plus any arrearages from prior quarters and

• second,98 percent to all unitholders, pro rata, and 2 percent to our general partner, until each unit has received a distribution of $0.474375.

If cash distributions to our unitholders exceed $0.474375 per unit in any quarter, our unitholders and our general partner will receive distributions according to the following percentage allocations:

	Total Quarterly Distribution Per Unit Target Amount		Marginal Percentage Interest in Distributions
			Unitholders	General Partner
Minimum Quarterly Distribution	$0.412500		98%	2%
First Target Distribution	above $0.412500	up to $0.474375	98%	2%
Second Target Distribution	above $0.474375	up to $0.515625	85%	15%
Third Target Distribution	above $0.515625	up to $0.618750	75%	25%
Thereafter	above $0.618750		50%	50%

Our distributions are declared subsequent to quarter end. The table below represents total cash distributions applicable to the period in which the distributions were earned:

Earned in Quarter Ended	Total Quarterly Distribution Per Unit		Total Cash Distribution including general partners IDRs		Date of Distribution	Unitholders Record Date
			(Dollars in millions)
June 30, 2016	$	0.5940	$	29.5	September 1, 2016	August 15, 2016
September 30, 2016	$	0.5940	$	29.5	December 1, 2016	November 15, 2016
December 31, 2016	$	0.5940	$	29.5	March 1, 2017	February 15, 2017
March 31, 2017	$	0.5940	$	29.5	June 1, 2017	May 15, 2017
June 30, 2017	$	0.5940	$	29.5	September 1, 2017	August 15, 2017
September 30, 2017(1)	$	0.5940	$	29.5	December 1, 2017	November 15, 2017

(1) On October 17, 2017, our Board of Directors declared a cash distribution of $0.5940 per unit, which will be paid on December 1, 2017, to unitholders of record on November 15, 2017.

Allocation of Net Income

Our partnership agreement contains provisions for the allocation of net income to the unitholders and the general partner. For purposes of maintaining partner capital accounts, the partnership agreement specifies that items of income and loss shall be allocated among the partners in accordance with their respective percentage interest. Normal allocations according to percentage interests are made after giving effect, if any, to priority income allocations in an amount equal to incentive cash distributions allocated 100 percent to the general partner.

The calculation of net income allocated to the general and limited partners was as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(Dollars in millions)
Net income (loss) attributable to SunCoke Energy L.P.	$	22.6		$	21.3		$	(119.6	)	$	73.2
Less: Expenses allocated to Common - SunCoke(1)	—			—			—			(7.0		)
Net income (loss) attributable to all partners	22.6			21.3			(119.6		)	80.2
General partner's incentive distribution rights	1.4			1.4			4.2			12.2
Net income (loss) attributable to partners, excluding incentive distribution rights	21.2			19.9			(123.8		)	68.0
General partner's ownership interest:	2.0		%	2.0		%	2.0		%	2.0		%
General partner's allocated interest in net income (loss)(2)	0.5			0.4			(2.4		)	1.4
General partner's incentive distribution rights	1.4			1.4			4.2			12.2
Total general partner's interest in net income (loss)	$	1.9		$	1.8		$	1.8		$	13.6
Common - public unitholder's interest in net income (loss)	$	8.6		$	8.8		$	(55.2	)	$	29.9
Common - SunCoke interest in net income (loss):
Common - SunCoke interest in net income (loss)	12.1			10.7			(66.2		)	36.7
Expenses allocated to Common - SunCoke(1)	—			—			—			(7.0		)
Total common - SunCoke interest in net income (loss)	12.1			10.7			(66.2		)	29.7
Total limited partners' interest in net income (loss)	$	20.7		$	19.5		$	(121.4	)	$	59.6

(1) Per the amended partnership agreement, expenses paid on behalf of the Partnership are to be allocated entirely to the partner who paid them. During the first quarter of 2016, SunCoke paid $7.0 million of allocated corporate costs on behalf of the Partnership and will not seek reimbursement for those costs. These expenses are recorded as a direct reduction to SunCoke's interest in net income for the nine months ended September 30, 2016.

(2) Our net income is allocated to the general partner and limited partners in accordance with their respective partnership percentages, after giving effect to priority income allocations for incentive distributions, if any, to our general partner, pursuant to our partnership agreement. The table above represents a simplified presentation of the calculation, and therefore, amounts may not recalculate precisely.

Earnings Per Unit

Our net income is allocated to the general partner and limited partners in accordance with their respective partnership percentages, after giving effect to priority income allocations for incentive distributions, if any, to our general partner, pursuant to our partnership agreement. Distributions less than or greater than earnings are allocated in accordance with our partnership agreement. Payments made to our unitholders are determined in relation to actual distributions declared and are not based on the net income allocations used in the calculation of net income per unit.

In addition to the common, we also have identified the general partner interest and IDRs as participating securities and we use the two-class method when calculating the net income per unit applicable to limited partners, which is based on the weighted-average number of common units outstanding during the period. Basic and diluted net income per unit applicable to limited partners are the same because we do not have any potentially dilutive units outstanding.

The calculation of earnings per unit is as follows:

	Three Months Ended September 30,						Nine months ended September 30,
	2017			2016			2017			2016
	(Dollars and units in millions, except per unit amounts)
Net income (loss) attributable to SunCoke Energy L.P.	$	22.6		$	21.3		$	(119.6	)	$	73.2
Less: Expenses allocated to Common - SunCoke	—			—			—			(7.0		)
Net income (loss) attributable to all partners	22.6			21.3			(119.6		)	80.2
General partner's distributions (including $1.4 million, $1.4 million, $4.2 million and $4.2 million of cash incentive distribution rights declared, respectively)	2.0			2.0			6.0			6.0
Limited partners' distributions on common units	27.5			27.5			82.5			82.4
Distributions greater than earnings/loss	(6.9		)	(8.2		)	(208.1		)	(8.2		)
General partner's earnings:
Distributions (including $1.4 million, $1.4 million, $4.2 million and $4.2 million of cash incentive distribution rights declared, respectively)	2.0			2.0			6.0			6.0
Allocation of distributions (greater than) less than earnings/loss	(0.1		)	(0.2		)	(4.2		)	7.6
Total general partner's earnings	1.9			1.8			1.8			13.6
Limited partners' earnings (loss) on common units:
Distributions	27.5			27.5			82.5			82.4
Expenses allocated to Common - SunCoke	—			—			—			(7.0		)
Allocation of distributions greater than earnings/loss	(6.8		)	(8.0		)	(203.9		)	(15.8		)
Total limited partners' earnings (loss) on common units	20.7			19.5			(121.4		)	59.6
Weighted average limited partner units outstanding:
Common - basic and diluted	46.2			46.2			46.2			46.2
Net income (loss) per limited partner unit:
Common - basic and diluted	$	0.45		$	0.42		$	(2.63	)	$	1.29

Unit Activity

Unit activity for the nine months ended September 30, 2017:

	Common - Public		Common - SunCoke	Total Common
At December 31, 2016	20,800,181		25,415,696	46,215,877
Units issued to directors	10,022		—	10,022
Public units acquired by SunCoke	(1,980,977	)	1,980,977	—
At September 30, 2017	18,829,226		27,396,673	46,225,899

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Inventories

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Inventories

4. Inventories

The components of inventories were as follows:

	September 30, 2017		December 31, 2016
	(Dollars in millions)
Coal	$	48.9	$	34.5
Coke	8.0		4.7
Materials, supplies, and other	28.4		27.7
Total inventories	$	85.3	$	66.9

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Goodwill and Other Intangible Assets

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Other Intangible Assets

5. Goodwill and Other Intangible Assets

Goodwill, which represents the excess of the purchase price over the fair value of net assets acquired, is tested for impairment as of October 1 of each year, or when events occur or circumstances change that would, more likely than not, reduce the fair value of a reporting unit to below its carrying value. Goodwill allocated to our Coal Logistics segment was $73.5 million at both September 30, 2017 and December 31, 2016.

The components of other intangible assets, net were as follows:

		September 30, 2017						December 31, 2016
	Weighted - Average Remaining Amortization Years	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
		(Dollars in millions)
Customer contracts	5	$	24.0	$	6.9	$	17.1	$	24.0	$	4.5	$	19.5
Customer relationships	14	28.7		5.2		23.5		28.7		3.8		24.9
Permits	25	139.0		10.9		128.1		139.0		7.1		131.9
Trade name	1	1.2		1.0		0.2		1.2		0.8		0.4
Total		$	192.9	$	24.0	$	168.9	$	192.9	$	16.2	$	176.7

The permits above represent the environmental and operational permits required to operate a coal export terminal in accordance with the United States Environmental Protection Agency and other regulatory bodies. Intangible assets are amortized over their useful lives in a manner that reflects the pattern in which the economic benefit of the asset is consumed. The permits’ useful lives were estimated to be 27 years at acquisition based on the expected useful life of the significant operating equipment at the facility. These permits have an average remaining renewal term of approximately 3.7 years. The permits were renewed regularly prior to our acquisition of CMT. We also have historical experience of renewing and extending similar arrangements at our other facilities and intend to continue to renew our permits as they come up for renewal for the foreseeable future.

Total amortization expense for intangible assets subject to amortization was $2.6 million and $7.8 million for the three and nine months ended September 30, 2017, respectively, and $2.6 million and $8.0 million for three and nine months ended September 30, 2016, respectively.

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Income Taxes

9 Months Ended

Sep. 30, 2017

Income Tax Disclosure [Abstract]

Income Taxes

6. Income Taxes

At the end of each interim period, we make our best estimate of the effective tax rate expected to be applicable for the full fiscal year and the impact of discrete items, if any, and adjust the rate as necessary.

The Partnership recorded income tax expense of $150.7 million during the nine months ended September 30, 2017. Income tax expense during the nine months ended September 30, 2017 included the impacts of the Internal Revenue Service ("IRS") announcement of its final regulations on qualifying income in January 2017 discussed below.

In January 2017, the IRS announced its decision to exclude cokemaking as a qualifying income generating activity in its final regulations (the "Final Regulations") issued under section 7704(d)(1)(E) of the Internal Revenue Code relating to the qualifying income exception for publicly traded partnerships. However, the Final Regulations include a transition period for activities that were reasonably interpreted to be qualifying income and carried on by publicly traded partnerships prior to the Final Regulations. The Partnership previously received a will-level opinion from its counsel, Vinson & Elkins LLP, that the Partnership's cokemaking operations generated qualifying income prior to the Final Regulations. Therefore, the Partnership believes it had a reasonable basis to conclude its cokemaking operations were considered qualifying income before the issuance of the new regulations and as such expects to maintain its treatment as a partnership through the transition period. Cokemaking entities in the Partnership will become taxable as corporations on January 1, 2028, after the transition period ends.

As a result of the Final Regulations, the Partnership recorded deferred income tax expense of $148.6 million to set up its initial deferred income tax liability during the first quarter of 2017, primarily related to differences in the book and tax basis of fixed assets, which are expected to exist at the end of the 10-year transition period when the cokemaking operations become taxable. The Partnership has reassessed these deferred tax liabilities quarterly, resulting in immaterial impacts to deferred income tax expense. A portion of this deferred tax liability, $3.0 million, was attributable to SunCoke's retained ownership interest in the cokemaking facilities and, therefore, was also reflected as a reduction in noncontrolling interest during the nine months ended September 30, 2017.

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Debt and Financing Obligation

9 Months Ended

Sep. 30, 2017

Debt Disclosure [Abstract]

Debt and Financing Obligation

7. Debt and Financing Obligation

Total debt and financing obligation, including the current portion of long-term debt and financing obligation, consisted of the following:

	September 30, 2017			December 31, 2016
	(Dollars in millions)
7.500 percent senior notes, due 2025 ("2025 Partnership Notes")	$	630.0		$	—
7.375 percent senior notes, due 2020 ("2020 Partnership Notes")	—			463.0
Partnership term loan, due 2019 ("Partnership Term Loan")	—			50.0
Revolving credit facility, due 2022 and 2019, respectively ("Partnership Revolver")	200.0			172.0
Partnership promissory note payable, due 2021 ("Promissory Note")	—			113.2
5.82 percent financing obligation, due 2021 ("Financing Obligation")	13.3			15.2
Total borrowings	843.3			813.4
Original issue (discount) premium	(9.1		)	7.5
Debt issuance cost	(15.3		)	(10.3		)
Total debt and financing obligation	818.9			810.6
Less: current portion of long-term debt and financing obligation	2.6			4.9
Total long-term debt and financing obligation	$	816.3		$	805.7

Issuance of 2025 Partnership Senior Notes

In May 2017, the Partnership issued $630.0 million aggregate principal amount of senior notes with an interest rate of 7.5 percentdue in May 2025. The Partnership received proceeds of $620.6 million, net of a discount of $9.4 million. The Partnership incurred debt issuance costs related to this transaction of $11.9 million. The 2025 Partnership Senior Notes are the senior unsecured obligations of the Partnership, and are guaranteed on a senior unsecured basis by each of the Partnership’s existing and certain future subsidiaries (other than SunCoke Energy Partners Finance Corp.). Interest on the 2025 Partnership Senior Notes is payable semi-annually in cash in arrears on June 15 and December 15 of each year, commencing on December 15, 2017.

The Partnership may redeem some or all of the 2025 Partnership Senior Notes at any time on or after June 15, 2020 at specified redemption prices plus accrued and unpaid interest, if any, to the redemption date. Before June 15, 2020, and following certain equity offerings, the Partnership also may redeem up to 35 percent of the 2025 Partnership Senior Notes at a price equal to 107.50 percent of the principal amount, plus accrued and unpaid interest, if any, to the redemption date. In addition, at any time prior to June 15, 2020, the Partnership may redeem some or all of the 2025 Partnership Senior Notes at a price equal to 100 percent of the principal amount, plus accrued and unpaid interest, if any, to the redemption date, plus a “make-whole” premium.

The Partnership is obligated to offer to purchase all or a portion of the 2025 Partnership Senior Notes at a price of (a) 101 percent of their principal amount, together with accrued and unpaid interest, if any, to the date of purchase, upon the occurrence of certain change of control events and (b) 100 percent of their principal amount, together with accrued and unpaid interest, if any, to the date of purchase, upon the occurrence of certain asset dispositions. These restrictions and prohibitions are subject to certain qualifications and exceptions set forth in the Indenture, including without limitation, reinvestment rights with respect to the proceeds of asset dispositions.

The 2025 Partnership Senior Notes contains covenants that, among other things, limit the Partnership’s ability and the ability of certain of the Partnership’s subsidiaries to (i) incur indebtedness, (ii) pay dividends or make other distributions, (ii) prepay, redeem or repurchase certain subordinated debt, (iv) make loans and investments, (v) sell assets, (vi) incur liens, (vii) enter into transactions with affiliates, (viii) enter into agreements restricting the ability of subsidiaries to pay dividends and (ix) consolidate or merge.

Purchase and Redemption of 2020 Partnership Senior Notes and Repayment of Partnership Term Loan

During the first nine months of 2017, the Partnership used the proceeds from the 2025 Partnership Notes to purchase and redeem its 2020 Partnership Notes, including principal of $463.0 million and a premium of $18.7 million, and to repay the $50.0 million outstanding on the Partnership Term Loan. As a result, during the nine months ended September 30, 2017, the Partnership recorded a loss on extinguishment of debt on the Consolidated Statement of Operations of $19.1 million, which included the premium paid and a write-off of unamortized debt issuance costs of $7.0 million partly offset by a write-off of unamortized premiums of $6.6 million.

Partnership Revolver

In May 2017, the Partnership repaid the $172.0 million outstanding balance and then amended and restated the Partnership Revolver, which increased the Partnership's capacity from $250.0 million to $285.0 million and extended the maturity to May 2022. The Partnership then borrowed $200.0 million under the amended and restated credit facility during the nine months ended September 30, 2017, respectively. In connection with the amendments to the Partnership Revolver, the Partnership incurred debt issuance costs of $3.0 million and recorded a loss on extinguishment of debt on the Consolidated Statement of Operations of $0.8 million, representing a write-off of unamortized debt issuance costs, during the nine months ended September 30, 2017. As ofSeptember 30, 2017, the Partnership had $1.9 million of letters of credit outstanding and an outstanding balance of $200.0 million, leaving $83.1 million available.

Partnership's Promissory Note

In August 2017, the Partnership utilized $100.0 million of its borrowings under the Partnership Revolver and $12.6 million of cash to repay the remaining outstanding balance of $112.6 million on the Partnership's Promissory Note. As a result, the Partnership recorded a loss on extinguishment of debt on the Consolidated Statement of Operations of $0.1 million, representing a write-off of unamortized debt issuance costs, during the three and nine months ended September 30, 2017.

Covenants

Under the terms of the Partnership Revolver, the Partnership is subject to a maximum leverage ratio of 4.5:1.0 prior to June 30, 2020 and 4.0:1.0 after June 30, 2020, and a minimum consolidated interest coverage ratio of 2.5:1.0. The Partnership Revolver contains other covenants and events of default that are customary for similar agreements and may limit our ability to take various actions including our ability to pay a dividend or repurchase our stock.

If we fail to perform our obligations under these and other covenants, the lenders' credit commitment could be terminated and any outstanding borrowings, together with accrued interest, under the Partnership Revolver could be declared immediately due and payable. The Partnership has a cross-default provision that applies to our indebtedness having a principal amount in excess of $35 million.

As of September 30, 2017, the Partnership was in compliance with all applicable debt covenants. We do not anticipate violation of these covenants nor do we anticipate that any of these covenants will restrict our operations or our ability to obtain additional financing.

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Commitments and Contingent Liabilities

9 Months Ended

Sep. 30, 2017

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingent Liabilities

8. Commitments and Contingent Liabilities

The United States Environmental Protection Agency ("EPA") has issued Notices of Violations (“NOVs”) for the Haverhill and Granite City cokemaking facilities which stemmed from alleged violations of air operating permits for these facilities. We are working in a cooperative manner with the EPA, the Ohio Environmental Protection Agency and the Illinois Environmental Protection Agency to address the allegations, and have entered into a consent degree in federal district court with these parties. The consent decree includes a $2.2 million civil penalty payment that was paid by SunCoke in 2014, as well as capital projects underway to improve the reliability of the energy recovery systems and enhance environmental performance at the Haverhill and Granite City cokemaking facilities.

We retained an aggregate of $119 million in proceeds from the Partnership's IPO and subsequent dropdowns to fund these environmental remediation projects at the Haverhill and Granite City cokemaking facilities. Pursuant to the omnibus agreement, any amounts that we spend on these projects in excess of the $119 million will be reimbursed by SunCoke. SunCoke spent $7 million related to these projects. We have spent approximately $96 million to date and the remaining capital is expected to be spent through the first quarter of 2019. Under the omnibus agreement, SunCoke will reimburse us for approximately $15 million of additional spending on these projects.

The Partnership is a party to certain other pending and threatened claims, including matters related to commercial and tax disputes, product liability, employment claims, personal injury claims, premises-liability claims, allegations of exposures to toxic substances and general environmental claims. Although the ultimate outcome of these claims cannot be ascertained at this time, it is reasonably possible that some portion of these claims could be resolved unfavorably to the Partnership. Management of the Partnership believes that any liability which may arise from claims would not have a material adverse impact on our consolidated financial statements.

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Fair Value Measurements

9 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Fair Value Measurements

9. Fair Value Measurements

The Partnership measures certain financial and non-financial assets and liabilities at fair value on a recurring basis. Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in the principal or most advantageous market in an orderly transaction between market participants on the measurement date. Fair value disclosures are reflected in a three-level hierarchy, maximizing the use of observable inputs and minimizing the use of unobservable inputs.

The valuation hierarchy is based upon the transparency of inputs to the valuation of an asset or liability on the measurement date. The three levels are defined as follows:

• Level 1—inputs to the valuation methodology are quoted prices (unadjusted) for an identical asset or liability in an active market.

• Level 2—inputs to the valuation methodology include quoted prices for a similar asset or liability in an active market or model-derived valuations in which all significant inputs are observable for substantially the full term of the asset or liability.

• Level 3—inputs to the valuation methodology are unobservable and significant to the fair value measurement of the asset or liability.

Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis

Certain assets and liabilities are measured at fair value on a recurring basis. The Partnership’s cash equivalents are measured at fair value based on quoted prices in active markets for identical assets. These inputs are classified as Level 1 within the valuation hierarchy. The Partnership did not have material cash equivalents at September 30, 2017 or December 31, 2016.

Convent Marine Terminal Contingent Consideration

In connection with the CMT acquisition, the Partnership entered into a contingent consideration arrangement that requires us to make future payments to The Cline Group based on future volume over a specified threshold, price and contract renewals. The fair value of the contingent consideration was estimated based on a probability-weighted analysis using significant inputs that are not observable in the market, or Level 3 inputs. Key assumptions included probability adjusted levels of handling services provided by CMT, anticipated price per ton on future sales and probability of contract renewal, including length of future contracts, volume commitment, and anticipated price per ton. The fair value of the contingent consideration at September 30, 2017 and December 31, 2016 was $2.5 million and $4.2 million, respectively, and was included in other deferred charges and liabilities on the Consolidated Balance Sheets. The decrease in the fair value of the contingent consideration liability was due to changes in expected throughput volumes related to the long-term, take-or-pay agreements. This reduction in the contingent consideration balance decreased costs of products sold and operating expenses on the Consolidated Statements of Operations by $2.0 million and $1.7 million during the three and nine months ended September 30, 2017, respectively. During the first quarter of 2016, the Partnership amended the contingent consideration terms with The Cline Group. These amendment terms and subsequent fair value adjustments during the three and nine months ended September 30, 2016 of $4.6 million and $8.3 million, respectively, decreased costs of products sold and operating expenses on the Consolidated Statements of Operations.

Certain Financial Assets and Liabilities not Measured at Fair Value

At September 30, 2017 and December 31, 2016, the estimated fair value of the Partnership's total debt was $864.2 million and $810.4 million, respectively, compared to a carrying amount of $843.3 million and $813.4 million, respectively. The fair value was estimated by management based upon estimates of debt pricing provided by financial institutions which are considered Level 2 inputs.

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Business Segment Disclosures

9 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Business Segment Disclosures

10. Business Segment Disclosures

The Partnership derives its revenues from the Domestic Coke and Coal Logistics reportable segments. Domestic Coke operations are comprised of the Haverhill and Middletown cokemaking facilities located in Ohio and the Granite City cokemaking facility located in Illinois. These facilities use similar production processes to produce coke and to recover waste heat that is converted to steam or electricity. Steam is provided to third-party customers primarily pursuant to steam supply and purchase agreements. Electricity is sold into the regional power market or to AK Steel Holding Corporation ("AK Steel") pursuant to energy sales agreements. Coke sales at the Partnership's cokemaking facilities are made pursuant to long-term, take-or-pay agreements with ArcelorMittal S.A., AK Steel and United States Steel Corporation. Each of the coke sales agreements contain pass-through provisions for costs incurred in the cokemaking process, including coal procurement costs (subject to meeting contractual coal-to-coke yields), operating and maintenance expenses, costs related to the transportation of coke to the customers, taxes (other than income taxes) and costs associated with changes in regulation, in addition to containing a fixed fee.

Coal Logistics operations are comprised of CMT located in Louisiana, Lake Terminal located in Indiana and KRT located in West Virginia. Our logistics operations have a collective capacity to mix and transload approximately 40 million tons of coal and other aggregates annually and provide handling and/or mixing services to its customers, which include our own cokemaking facilities and other SunCoke cokemaking facilities. Handling and mixing results are presented in the Coal Logistics segment.

Corporate and other expenses that can be identified with a segment have been included in determining segment results. The remainder is included in Corporate and Other.

The following table includes Adjusted EBITDA, which is the measure of segment profit or loss and liquidity reported to the chief operating decision maker for purposes of allocating resources to the segments and assessing their performance:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(Dollars in millions)
Sales and other operating revenue:
Domestic Coke	$	193.4		$	170.8		$	548.6		$	517.2
Coal Logistics	20.6			14.7			61.6			44.2
Coal Logistics intersegment sales	1.6			1.5			4.9			4.7
Elimination of intersegment sales	(1.6		)	(1.5		)	(4.9		)	(4.7		)
Total sales and other operating revenue	$	214.0		$	185.5		$	610.2		$	561.4
Adjusted EBITDA:
Domestic Coke	$	50.0		$	42.9		$	130.0		$	130.3
Coal Logistics	12.3			7.0			34.9			18.2
Corporate and Other	(3.9		)	(4.2		)	(11.8		)	(12.9		)
Total Adjusted EBITDA	$	58.4		$	45.7		$	153.1		$	135.6
Depreciation and amortization expense:
Domestic Coke	$	14.3		$	12.7		$	45.6		$	38.7
Coal Logistics	5.9			5.4			17.7			18.6
Total depreciation and amortization expense	$	20.2		$	18.1		$	63.3		$	57.3
Capital expenditures:
Domestic Coke	$	13.0		$	4.4		$	21.8		$	15.8
Coal Logistics	0.4			3.6			1.5			14.3
Total capital expenditures	$	13.4		$	8.0		$	23.3		$	30.1

The following table sets forth the Partnership's segment assets:

	September 30, 2017		December 31, 2016
	(Dollars in millions)
Segment assets:
Domestic Coke	$	1,182.6	$	1,184.2
Coal Logistics	494.2		510.6
Corporate and Other	1.0		1.2
Total assets	$	1,677.8	$	1,696.0

The following table sets forth the Partnership’s total sales and other operating revenue by product or service, excluding intersegment revenues:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
	(Dollars in millions)
Sales and other operating revenue:
Cokemaking	$	177.0	$	155.8	$	503.8	$	471.3
Energy	14.7		13.9		39.0		42.5
Logistics	19.2		14.2		59.0		43.2
Other	3.1		1.6		8.4		4.4
Total revenues	$	214.0	$	185.5	$	610.2	$	561.4

The Partnership evaluates the performance of its segments based on segment Adjusted EBITDA, whichrepresents earnings before interest, loss (gain) on extinguishment of debt, taxes, depreciation and amortization, adjusted for changes to our contingent consideration liability related to our acquisition of CMT and the expiration of certain acquired contractual obligations. Adjusted EBITDA does not represent and should not be considered an alternative to net income or operating income under GAAP and may not be comparable to other similarly titled measures in other businesses.

Management believes Adjusted EBITDA is an important measure of the operating performance and liquidity of the Partnership's net assets and its ability to incur and service debt, fund capital expenditures and make distributions. Adjusted EBITDA provides useful information to investors because it highlights trends in our business that may not otherwise be apparent when relying solely on GAAP measures and because it eliminates items that have less bearing on our operating performance and liquidity. EBITDA and Adjusted EBITDA are not measures calculated in accordance with GAAP, and they should not be considered an alternative to net income, operating cash flow or any other measure of financial performance presented in accordance with GAAP. Set forth below is additional discussion of the limitations of Adjusted EBITDA as an analytical tool.

Limitations.Other companies may calculate Adjusted EBITDA differently than we do, limiting its usefulness as a comparative measure. Adjusted EBITDA also has limitations as an analytical tool and should not be considered in isolation or as a substitute for an analysis of our results as reported under GAAP. Some of these limitations include that Adjusted EBITDA:

• does not reflect our cash expenditures, or future requirements, for capital expenditures or contractual commitments;

• does not reflect items such as depreciation and amortization;

• does not reflect changes in, or cash requirements for, working capital needs;

• does not reflect our interest expense, or the cash requirements necessary to service interest on or principal payments of our debt;

• does not reflect certain other non-cash income and expenses;

• excludes income taxes that may represent a reduction in available cash; and

• includes net income attributable to noncontrolling interests.

Below is a reconciliation of Adjusted EBITDA to net income and net cash provided by operating activities, which are its most directly comparable financial measures calculated and presented in accordance with GAAP:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(Dollars in millions)
Net cash provided by operating activities	$	61.1		$	31.9		$	112.7		$	140.0
Subtract:
Depreciation and amortization expense	20.2			18.1			63.3			57.3
Loss (gain) on extinguishment of debt	0.1			(1.0		)	20.0			(24.9		)
Deferred income tax expense (benefit)	1.6			(0.2		)	150.4			0.2
Changes in working capital and other	15.9			(7.0		)	(0.1		)	32.3
Net income (loss)	$	23.3		$	22.0		$	(120.9	)	$	75.1
Add:
Depreciation and amortization expense	$	20.2		$	18.1		$	63.3		$	57.3
Interest expense, net	15.1			11.5			41.7			35.7
Loss (gain) on extinguishment of debt	0.1			(1.0		)	20.0			(24.9		)
Income tax expense, net	1.7			0.4			150.7			1.4
Contingent consideration adjustments(1)	(2.0		)	(4.6		)	(1.7		)	(8.3		)
Non-cash reversal of acquired contractual obligation(2)	—			(0.7		)	—			(0.7		)
Adjusted EBITDA(3)	$	58.4		$	45.7		$	153.1		$	135.6
Subtract:
Adjusted EBITDA attributable to noncontrolling interest (4)	$	1.0		$	0.9		$	2.6		$	2.6
Adjusted EBITDA attributable to SunCoke Energy Partners, L.P.	$	57.4		$	44.8		$	150.5		$	133.0

(1) As a result of changes in the fair value of the contingent consideration liability, the Partnership recognized gains of $2.0 million and $1.7 million during the three and nine months ended September 30, 2017, respectively. The Partnership amended its contingent consideration terms with The Cline Group during the first quarter of 2016. This amendment and subsequent fair value adjustments resulted in a gain of $4.6 million and $8.3 million recorded during the three and nine months ended September 30, 2016, respectively.

(2) In association with the acquisition of CMT, we assumed certain performance obligations under existing contracts and recorded liabilities related to such obligations. In the third quarter of 2016, the final acquired contractual performance obligation expired without the customer requiring performance. Therefore, the Partnership reversed the liability as we no longer have any obligations under the contract.

(3) In accordance with the SEC’s May 2016 update to its guidance on the appropriate use of non-GAAP financial measures, Adjusted EBITDA does not include Coal Logistics deferred revenue until it is recognized as GAAP revenue.

(4) Reflects net income attributable to noncontrolling interest adjusted for noncontrolling interest's share of interest, taxes, income, and depreciation and amortization.

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General (Policies)

9 Months Ended

Sep. 30, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

New Accounting Pronouncements

New Accounting Pronouncements

In May 2014, Financial Accounting Standards Board ("FASB") Accounting Standards Update ("ASU") 2014-09, “Revenue from Contracts with Customers (Topic 606),” which supersedes the revenue recognition requirements in “Revenue Recognition (Topic 605),” and requires entities to recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. Subsequently, the FASB has issued various ASUs to provide further clarification around certain aspects of ASC 606. This standard will be effective for annual reporting periods beginning after December 15, 2017, including interim periods within that reporting period, and early adoption is permitted on a limited basis. Our implementation team has gained an understanding of the standard’s revenue recognition model and is completing the analysis and documentation of our contract details for impacts under the new revenue recognition model. While we are currently evaluating the impact of the standard, we expect the timing of our revenue recognition to generally remain the same under the new standard on an annual basis. Deferred revenue at CMT may be recognized on a more accelerated basis during quarterly periods within the year based on facts and circumstances considered at each quarter under the new guidance. The Partnership expects to adopt this standard on January 1, 2018 using the modified retrospective method.

In February 2016, the FASB issued ASU 2016-02, "Leases (Topic 842)." ASU 2016-02 requires lessees to recognize assets and liabilities on the balance sheet for the rights and obligations created by all leases with terms of more than 12 months. It is effective for annual and interim periods in fiscal years beginning after December 15, 2018, with early adoption permitted. The standard requires the use of a modified retrospective transition method. A multi-disciplined implementation team has gained an understanding of the accounting and disclosure provisions of the standard and is in the process of analyzing the impacts to our business, including the development of new accounting processes to account for our leases and support the required disclosures. While we are still evaluating the impact of adopting this standard, we expect upon adoption the right-of-use assets and lease liabilities, such as various plant equipment rentals and the lease of our corporate office space, will increase the reported assets and liabilities on our Consolidated Balance Sheets. The Partnership expects to adopt this standard on January 1, 2019.

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Cash Distributions and Net Income Per Unit (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Distributions Made to Limited Partner, by Distribution

If cash distributions to our unitholders exceed $0.474375 per unit in any quarter, our unitholders and our general partner will receive distributions according to the following percentage allocations:

	Total Quarterly Distribution Per Unit Target Amount		Marginal Percentage Interest in Distributions
			Unitholders	General Partner
Minimum Quarterly Distribution	$0.412500		98%	2%
First Target Distribution	above $0.412500	up to $0.474375	98%	2%
Second Target Distribution	above $0.474375	up to $0.515625	85%	15%
Third Target Distribution	above $0.515625	up to $0.618750	75%	25%
Thereafter	above $0.618750		50%	50%

Our distributions are declared subsequent to quarter end. The table below represents total cash distributions applicable to the period in which the distributions were earned:

Earned in Quarter Ended	Total Quarterly Distribution Per Unit		Total Cash Distribution including general partners IDRs		Date of Distribution	Unitholders Record Date
			(Dollars in millions)
June 30, 2016	$	0.5940	$	29.5	September 1, 2016	August 15, 2016
September 30, 2016	$	0.5940	$	29.5	December 1, 2016	November 15, 2016
December 31, 2016	$	0.5940	$	29.5	March 1, 2017	February 15, 2017
March 31, 2017	$	0.5940	$	29.5	June 1, 2017	May 15, 2017
June 30, 2017	$	0.5940	$	29.5	September 1, 2017	August 15, 2017
September 30, 2017(1)	$	0.5940	$	29.5	December 1, 2017	November 15, 2017

(1) On October 17, 2017, our Board of Directors declared a cash distribution of $0.5940 per unit, which will be paid on December 1, 2017, to unitholders of record on November 15, 2017.

Schedule of Calculation of Numerator and Denominator in Earnings Per Share

The calculation of earnings per unit is as follows:

	Three Months Ended September 30,						Nine months ended September 30,
	2017			2016			2017			2016
	(Dollars and units in millions, except per unit amounts)
Net income (loss) attributable to SunCoke Energy L.P.	$	22.6		$	21.3		$	(119.6	)	$	73.2
Less: Expenses allocated to Common - SunCoke	—			—			—			(7.0		)
Net income (loss) attributable to all partners	22.6			21.3			(119.6		)	80.2
General partner's distributions (including $1.4 million, $1.4 million, $4.2 million and $4.2 million of cash incentive distribution rights declared, respectively)	2.0			2.0			6.0			6.0
Limited partners' distributions on common units	27.5			27.5			82.5			82.4
Distributions greater than earnings/loss	(6.9		)	(8.2		)	(208.1		)	(8.2		)
General partner's earnings:
Distributions (including $1.4 million, $1.4 million, $4.2 million and $4.2 million of cash incentive distribution rights declared, respectively)	2.0			2.0			6.0			6.0
Allocation of distributions (greater than) less than earnings/loss	(0.1		)	(0.2		)	(4.2		)	7.6
Total general partner's earnings	1.9			1.8			1.8			13.6
Limited partners' earnings (loss) on common units:
Distributions	27.5			27.5			82.5			82.4
Expenses allocated to Common - SunCoke	—			—			—			(7.0		)
Allocation of distributions greater than earnings/loss	(6.8		)	(8.0		)	(203.9		)	(15.8		)
Total limited partners' earnings (loss) on common units	20.7			19.5			(121.4		)	59.6
Weighted average limited partner units outstanding:
Common - basic and diluted	46.2			46.2			46.2			46.2
Net income (loss) per limited partner unit:
Common - basic and diluted	$	0.45		$	0.42		$	(2.63	)	$	1.29

The calculation of net income allocated to the general and limited partners was as follows:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(Dollars in millions)
Net income (loss) attributable to SunCoke Energy L.P.	$	22.6		$	21.3		$	(119.6	)	$	73.2
Less: Expenses allocated to Common - SunCoke(1)	—			—			—			(7.0		)
Net income (loss) attributable to all partners	22.6			21.3			(119.6		)	80.2
General partner's incentive distribution rights	1.4			1.4			4.2			12.2
Net income (loss) attributable to partners, excluding incentive distribution rights	21.2			19.9			(123.8		)	68.0
General partner's ownership interest:	2.0		%	2.0		%	2.0		%	2.0		%
General partner's allocated interest in net income (loss)(2)	0.5			0.4			(2.4		)	1.4
General partner's incentive distribution rights	1.4			1.4			4.2			12.2
Total general partner's interest in net income (loss)	$	1.9		$	1.8		$	1.8		$	13.6
Common - public unitholder's interest in net income (loss)	$	8.6		$	8.8		$	(55.2	)	$	29.9
Common - SunCoke interest in net income (loss):
Common - SunCoke interest in net income (loss)	12.1			10.7			(66.2		)	36.7
Expenses allocated to Common - SunCoke(1)	—			—			—			(7.0		)
Total common - SunCoke interest in net income (loss)	12.1			10.7			(66.2		)	29.7
Total limited partners' interest in net income (loss)	$	20.7		$	19.5		$	(121.4	)	$	59.6

(1) Per the amended partnership agreement, expenses paid on behalf of the Partnership are to be allocated entirely to the partner who paid them. During the first quarter of 2016, SunCoke paid $7.0 million of allocated corporate costs on behalf of the Partnership and will not seek reimbursement for those costs. These expenses are recorded as a direct reduction to SunCoke's interest in net income for the nine months ended September 30, 2016.

(2) Our net income is allocated to the general partner and limited partners in accordance with their respective partnership percentages, after giving effect to priority income allocations for incentive distributions, if any, to our general partner, pursuant to our partnership agreement. The table above represents a simplified presentation of the calculation, and therefore, amounts may not recalculate precisely.

Schedule of Limited Partners' Capital Account by Class

Unit activity for the nine months ended September 30, 2017:

	Common - Public		Common - SunCoke	Total Common
At December 31, 2016	20,800,181		25,415,696	46,215,877
Units issued to directors	10,022		—	10,022
Public units acquired by SunCoke	(1,980,977	)	1,980,977	—
At September 30, 2017	18,829,226		27,396,673	46,225,899

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Inventories (Tables)

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Schedule of Inventory, Current

The components of inventories were as follows:

	September 30, 2017		December 31, 2016
	(Dollars in millions)
Coal	$	48.9	$	34.5
Coke	8.0		4.7
Materials, supplies, and other	28.4		27.7
Total inventories	$	85.3	$	66.9

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Goodwill and Other Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Finite-Lived Intangible Assets

The components of other intangible assets, net were as follows:

		September 30, 2017						December 31, 2016
	Weighted - Average Remaining Amortization Years	Gross Carrying Amount		Accumulated Amortization		Net		Gross Carrying Amount		Accumulated Amortization		Net
		(Dollars in millions)
Customer contracts	5	$	24.0	$	6.9	$	17.1	$	24.0	$	4.5	$	19.5
Customer relationships	14	28.7		5.2		23.5		28.7		3.8		24.9
Permits	25	139.0		10.9		128.1		139.0		7.1		131.9
Trade name	1	1.2		1.0		0.2		1.2		0.8		0.4
Total		$	192.9	$	24.0	$	168.9	$	192.9	$	16.2	$	176.7

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Debt and Financing Obligation (Tables)

9 Months Ended

Sep. 30, 2017

Debt Disclosure [Abstract]

Schedule of Long-term Debt Instruments

Total debt and financing obligation, including the current portion of long-term debt and financing obligation, consisted of the following:

	September 30, 2017			December 31, 2016
	(Dollars in millions)
7.500 percent senior notes, due 2025 ("2025 Partnership Notes")	$	630.0		$	—
7.375 percent senior notes, due 2020 ("2020 Partnership Notes")	—			463.0
Partnership term loan, due 2019 ("Partnership Term Loan")	—			50.0
Revolving credit facility, due 2022 and 2019, respectively ("Partnership Revolver")	200.0			172.0
Partnership promissory note payable, due 2021 ("Promissory Note")	—			113.2
5.82 percent financing obligation, due 2021 ("Financing Obligation")	13.3			15.2
Total borrowings	843.3			813.4
Original issue (discount) premium	(9.1		)	7.5
Debt issuance cost	(15.3		)	(10.3		)
Total debt and financing obligation	818.9			810.6
Less: current portion of long-term debt and financing obligation	2.6			4.9
Total long-term debt and financing obligation	$	816.3		$	805.7

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Business Segment Disclosures (Tables)

9 Months Ended

Sep. 30, 2017

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

The following table includes Adjusted EBITDA, which is the measure of segment profit or loss and liquidity reported to the chief operating decision maker for purposes of allocating resources to the segments and assessing their performance:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(Dollars in millions)
Sales and other operating revenue:
Domestic Coke	$	193.4		$	170.8		$	548.6		$	517.2
Coal Logistics	20.6			14.7			61.6			44.2
Coal Logistics intersegment sales	1.6			1.5			4.9			4.7
Elimination of intersegment sales	(1.6		)	(1.5		)	(4.9		)	(4.7		)
Total sales and other operating revenue	$	214.0		$	185.5		$	610.2		$	561.4
Adjusted EBITDA:
Domestic Coke	$	50.0		$	42.9		$	130.0		$	130.3
Coal Logistics	12.3			7.0			34.9			18.2
Corporate and Other	(3.9		)	(4.2		)	(11.8		)	(12.9		)
Total Adjusted EBITDA	$	58.4		$	45.7		$	153.1		$	135.6
Depreciation and amortization expense:
Domestic Coke	$	14.3		$	12.7		$	45.6		$	38.7
Coal Logistics	5.9			5.4			17.7			18.6
Total depreciation and amortization expense	$	20.2		$	18.1		$	63.3		$	57.3
Capital expenditures:
Domestic Coke	$	13.0		$	4.4		$	21.8		$	15.8
Coal Logistics	0.4			3.6			1.5			14.3
Total capital expenditures	$	13.4		$	8.0		$	23.3		$	30.1

The following table sets forth the Partnership's segment assets:

	September 30, 2017		December 31, 2016
	(Dollars in millions)
Segment assets:
Domestic Coke	$	1,182.6	$	1,184.2
Coal Logistics	494.2		510.6
Corporate and Other	1.0		1.2
Total assets	$	1,677.8	$	1,696.0

The following table sets forth the Partnership’s total sales and other operating revenue by product or service, excluding intersegment revenues:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
	(Dollars in millions)
Sales and other operating revenue:
Cokemaking	$	177.0	$	155.8	$	503.8	$	471.3
Energy	14.7		13.9		39.0		42.5
Logistics	19.2		14.2		59.0		43.2
Other	3.1		1.6		8.4		4.4
Total revenues	$	214.0	$	185.5	$	610.2	$	561.4

Reconciliation of Operating Profit (Loss) from Segments to Consolidated

Below is a reconciliation of Adjusted EBITDA to net income and net cash provided by operating activities, which are its most directly comparable financial measures calculated and presented in accordance with GAAP:

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
	(Dollars in millions)
Net cash provided by operating activities	$	61.1		$	31.9		$	112.7		$	140.0
Subtract:
Depreciation and amortization expense	20.2			18.1			63.3			57.3
Loss (gain) on extinguishment of debt	0.1			(1.0		)	20.0			(24.9		)
Deferred income tax expense (benefit)	1.6			(0.2		)	150.4			0.2
Changes in working capital and other	15.9			(7.0		)	(0.1		)	32.3
Net income (loss)	$	23.3		$	22.0		$	(120.9	)	$	75.1
Add:
Depreciation and amortization expense	$	20.2		$	18.1		$	63.3		$	57.3
Interest expense, net	15.1			11.5			41.7			35.7
Loss (gain) on extinguishment of debt	0.1			(1.0		)	20.0			(24.9		)
Income tax expense, net	1.7			0.4			150.7			1.4
Contingent consideration adjustments(1)	(2.0		)	(4.6		)	(1.7		)	(8.3		)
Non-cash reversal of acquired contractual obligation(2)	—			(0.7		)	—			(0.7		)
Adjusted EBITDA(3)	$	58.4		$	45.7		$	153.1		$	135.6
Subtract:
Adjusted EBITDA attributable to noncontrolling interest (4)	$	1.0		$	0.9		$	2.6		$	2.6
Adjusted EBITDA attributable to SunCoke Energy Partners, L.P.	$	57.4		$	44.8		$	150.5		$	133.0

(1) As a result of changes in the fair value of the contingent consideration liability, the Partnership recognized gains of $2.0 million and $1.7 million during the three and nine months ended September 30, 2017, respectively. The Partnership amended its contingent consideration terms with The Cline Group during the first quarter of 2016. This amendment and subsequent fair value adjustments resulted in a gain of $4.6 million and $8.3 million recorded during the three and nine months ended September 30, 2016, respectively.

(2) In association with the acquisition of CMT, we assumed certain performance obligations under existing contracts and recorded liabilities related to such obligations. In the third quarter of 2016, the final acquired contractual performance obligation expired without the customer requiring performance. Therefore, the Partnership reversed the liability as we no longer have any obligations under the contract.

(3) In accordance with the SEC’s May 2016 update to its guidance on the appropriate use of non-GAAP financial measures, Adjusted EBITDA does not include Coal Logistics deferred revenue until it is recognized as GAAP revenue.

(4) Reflects net income attributable to noncontrolling interest adjusted for noncontrolling interest's share of interest, taxes, income, and depreciation and amortization.

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General (Details)	9 Months Ended
	Sep. 30, 2017 Cokemaking_facility
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Interest in partnership (as a percent)	58.10%
Number of cokemaking facilities	3
SunCoke Energy Inc
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Limited Partnership (LP) ownership interest (as a percent)	2.00%
Haverhill Coke Company LLC, Middletown Coke Company LLC, and Gateway Energy and Coke Company, LLC | Suncoke LP
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Interest in partnership (as a percent)	98.00%
Haverhill Coke Company LLC, Middletown Coke Company LLC, and Gateway Energy and Coke Company, LLC | Suncoke Inc
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Limited Partnership (LP) ownership interest (as a percent)	2.00%

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Related Party Transactions and Agreements (Details) - USD ($)		3 Months Ended			9 Months Ended
	Jan. 23, 2013	Sep. 30, 2017	Jun. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Jan. 13, 2015
Granite City
Related Party Transaction [Line Items]
Percent interest							75.00%
IPO
Related Party Transaction [Line Items]
Potential defaults by coke agreement counterparties indemnification period (in years)					5 years
IPO | Haverhill Coke Company LLC and Middletown Coke Company LLC
Related Party Transaction [Line Items]
Environmental remediation expense carried by SunCoke Energy Partners L.P.	$ 5,000,000
SunCoke Energy Inc | IPO | Haverhill Coke Company LLC and Middletown Coke Company LLC
Related Party Transaction [Line Items]
Environmental remediation expense indemnified by SunCoke	$ 50,000,000
SunCoke Energy Inc | SunCoke Energy Inc
Related Party Transaction [Line Items]
Allocated expenses		$ 6,800,000		$ 6,500,000	$ 20,700,000	$ 20,400,000
SunCoke Energy Inc | SunCoke Energy Inc | Corporate Cost Allocation
Related Party Transaction [Line Items]
Payable to affiliate, net			$ 7,000,000
SunCoke Energy Inc | SunCoke Energy Inc | Cash Distribution
Related Party Transaction [Line Items]
Payable to affiliate, net			$ 1,400,000
SunCoke Energy Inc | Coal Logistics | SunCoke Energy Inc
Related Party Transaction [Line Items]
Revenue		$ 2,200,000		2,500,000	$ 6,800,000	7,700,000
SunCoke Energy Inc | Domestic Coke | SunCoke Energy Inc
Related Party Transaction [Line Items]
Purchase of coal				$ 1,600,000		$ 3,800,000

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Cash Distributions and Net Income Per Unit - Distributions Percentage Allocations (Details) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal percentage interest in distributions (as a percent)	2.00%	2.00%	2.00%	2.00%
Total quarterly distribution per unit target amount (in dollars per share)			$ 0.474375
Minimum Quarterly Distribution | Minimum
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Total quarterly distribution target amount (in dollars per share)			0.412500
First Target Distribution
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Total quarterly distribution target amount (in dollars per share)			0.41250
First Target Distribution | Minimum
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Total quarterly distribution target amount (in dollars per share)			0.412500
First Target Distribution | Maximum
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Total quarterly distribution target amount (in dollars per share)			0.474375
Second Target Distribution
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Total quarterly distribution target amount (in dollars per share)			0.474375
Second Target Distribution | Minimum
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Total quarterly distribution target amount (in dollars per share)			0.474375
Second Target Distribution | Maximum
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Total quarterly distribution target amount (in dollars per share)			0.515625
Third Target Distribution | Minimum
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Total quarterly distribution target amount (in dollars per share)			0.515625
Third Target Distribution | Maximum
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Total quarterly distribution target amount (in dollars per share)			0.618750
Thereafter | Minimum
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Total quarterly distribution target amount (in dollars per share)			$ 0.618750
Unitholders | Minimum Quarterly Distribution
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal percentage interest in distributions (as a percent)			98.00%
Unitholders | First Target Distribution
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal percentage interest in distributions (as a percent)			98.00%
Marginal percentage interest in distributions (as a percent)			98.00%
Unitholders | Second Target Distribution
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal percentage interest in distributions (as a percent)			98.00%
Marginal percentage interest in distributions (as a percent)			85.00%
Unitholders | Third Target Distribution
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal percentage interest in distributions (as a percent)			75.00%
Unitholders | Thereafter
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal percentage interest in distributions (as a percent)			50.00%
General Partner | Minimum Quarterly Distribution
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal percentage interest in distributions (as a percent)			2.00%
General Partner | First Target Distribution
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal percentage interest in distributions (as a percent)			2.00%
Marginal percentage interest in distributions (as a percent)			2.00%
General Partner | Second Target Distribution
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal percentage interest in distributions (as a percent)			2.00%
Marginal percentage interest in distributions (as a percent)			15.00%
General Partner | Third Target Distribution
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal percentage interest in distributions (as a percent)			25.00%
General Partner | Thereafter
Incentive Distribution Made to Managing Member or General Partner [Line Items]
Marginal percentage interest in distributions (as a percent)			50.00%

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Cash Distributions and Net Income Per Unit - Allocation of Total Quarterly cash Distributions to General and Limited Partners (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended
	Oct. 17, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016
Dividends Payable [Line Items]
Cash distributions per unit (in dollar per unit)			$ 0.5940	$ 0.5940	$ 0.5940	$ 0.5940	$ 0.5940
Cash distributions paid			$ 29.5	$ 29.5	$ 29.5	$ 29.5	$ 29.5
Distribution declared per unit (in dollar per unit)		$ 0.5940
Distributions declared		$ 29.5
Subsequent Event
Dividends Payable [Line Items]
Distribution declared per unit (in dollar per unit)	$ 0.5940

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Cash Distributions and Net Income Per Unit - Allocation of Net Income (Details)	9 Months Ended
	Sep. 30, 2017
Earnings Per Share [Abstract]
Allocation to general partner (as a percent)	100.00%

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Cash Distributions and Net Income Per Unit - Calculation of Net Income Allocated to the General and Limited Partners (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Mar. 31, 2016	Sep. 30, 2017	Sep. 30, 2016
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss) attributable to SunCoke Energy L.P.	$ 22.6	$ 21.3		$ (119.6)	$ 73.2
Expenses allocated to Common - SunCoke	0.0	0.0		0.0	(7.0)
Net income (loss) attributable to partners, excluding incentive distribution rights	$ 21.2	$ 19.9		$ (123.8)	$ 68.0
General partner's ownership interest (as a percent)	2.00%	2.00%		2.00%	2.00%
General partner's interest in net income (loss)	$ 1.9	$ 1.8		$ 1.8	$ 13.6
Limited partners' interest in net income (loss)	20.7	19.5		(121.4)	59.6
General Partner | Incentive Distribution
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
General partner's incentive distribution rights	1.4	1.4		4.2	12.2
General Partner | Allocated Interest
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
General partner's interest in net income (loss)	0.5	0.4		(2.4)	1.4
General Partner | General Partner | Incentive Distribution
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
General partner's interest in net income (loss)	1.4	1.4		4.2	12.2
Limited partners' distributions | Common Units - Public
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Limited partners' interest in net income (loss)	8.6	8.8		(55.2)	29.9
Limited partners' distributions | Common Units - Parent
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Expenses allocated to Common - SunCoke	0.0	0.0	$ (7.0)	0.0	(7.0)
Limited partners' interest in net income (loss)	12.1	10.7		(66.2)	36.7
Total common - SunCoke interest in net income (loss)	12.1	10.7		(66.2)	29.7
Successor
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss) attributable to all partners	$ 22.6	$ 21.3		$ (119.6)	$ 80.2

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Cash Distributions and Net Income Per Unit - Calculation of Earnings per Unit (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss) attributable to all partners	$ 22.6	$ 21.3	$ (119.6)	$ 73.2
Expenses allocated to Common - SunCoke	0.0	0.0	0.0	(7.0)
Distributions	2.0	2.0	6.0	6.0
Limited partners' distributions on common units	29.5
Allocation of distributions greater than earnings/loss	$ (6.9)	$ (8.2)	$ (208.1)	$ (8.2)
Weighted average limited partner units outstanding:
Common - basic and diluted (in shares)	46.2	46.2	46.2	46.2
Net income (loss) per limited partner unit:
Common - basic and diluted (in dollars per share)	$ 0.45	$ 0.42	$ (2.63)	$ 1.29
Distribution to unitholders			$ 88.1
General Partner
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Distributions	$ 2.0	$ 2.0	6.0	$ 6.0
Allocation of distributions greater than earnings/loss	(0.1)	(0.2)	(4.2)	7.6
Total partner (loss) earnings	1.9	1.8	1.8	13.6
Limited partners' distributions
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Expenses allocated to Common - SunCoke	0.0	0.0	0.0	(7.0)
Distributions	27.5	27.5	82.5	82.4
Allocation of distributions greater than earnings/loss	(6.8)	(8.0)	(203.9)	(15.8)
Total partner (loss) earnings	20.7	19.5	(121.4)	59.6
Common units
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Limited partners' distributions on common units	27.5	27.5	82.5	82.4
Successor
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income (loss) attributable to all partners	22.6	21.3	(119.6)	80.2
Incentive Distribution | General Partner | General Partner
Net income (loss) per limited partner unit:
Distribution to unitholders	$ 1.4	$ 1.4	$ 4.2	$ 4.2

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Cash Distributions and Net Income Per Unit - Unit Activity (Details)	9 Months Ended
	Sep. 30, 2017 shares
Common units
Increase (Decrease) in Partners' Capital [Roll Forward]
At December 31, 2016	46,215,877
Public units acquired by SunCoke	0
At September 30, 2017	46,225,899
Common units | Director
Increase (Decrease) in Partners' Capital [Roll Forward]
Units issued to directors	10,022
Common units | Public
Increase (Decrease) in Partners' Capital [Roll Forward]
At December 31, 2016	20,800,181
Public units acquired by SunCoke	(1,980,977)
At September 30, 2017	18,829,226
Common units | Public | Director
Increase (Decrease) in Partners' Capital [Roll Forward]
Units issued to directors	10,022
Common Units - Parent | SunCoke Energy Inc
Increase (Decrease) in Partners' Capital [Roll Forward]
At December 31, 2016	25,415,696
Public units acquired by SunCoke	1,980,977
At September 30, 2017	27,396,673
Common Units - Parent | SunCoke Energy Inc | Director
Increase (Decrease) in Partners' Capital [Roll Forward]
Units issued to directors	0

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Inventories (Details) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Inventory Disclosure [Abstract]
Coal	$ 48.9	$ 34.5
Coke	8.0	4.7
Materials, supplies, and other	28.4	27.7
Total inventories	$ 85.3	$ 66.9

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Goodwill and Other Intangible Assets (Details Textual) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Goodwill [Line Items]
Goodwill	$ 73.5		$ 73.5		$ 73.5
Total amortization expense	2.6	$ 2.6	$ 7.8	$ 8.0
Permits
Goodwill [Line Items]
Useful lives (in years)			25 years
Convent Marine Terminal | Permits
Goodwill [Line Items]
Useful lives (in years)			27 years
Weighted average period before next renewal or extension			3 years 8 months
Coal Logistics
Goodwill [Line Items]
Goodwill	$ 73.5		$ 73.5		$ 73.5

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Goodwill and Other Intangible Assets - Gross and Net Intangible Assets (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 192.9	$ 192.9
Accumulated Amortization	24.0	16.2
Net	$ 168.9	176.7
Customer contracts
Finite-Lived Intangible Assets [Line Items]
Weighted - Average Remaining Amortization Years	5 years
Gross Carrying Amount	$ 24.0	24.0
Accumulated Amortization	6.9	4.5
Net	$ 17.1	19.5
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted - Average Remaining Amortization Years	14 years
Gross Carrying Amount	$ 28.7	28.7
Accumulated Amortization	5.2	3.8
Net	$ 23.5	24.9
Permits
Finite-Lived Intangible Assets [Line Items]
Weighted - Average Remaining Amortization Years	25 years
Gross Carrying Amount	$ 139.0	139.0
Accumulated Amortization	10.9	7.1
Net	$ 128.1	131.9
Trade name
Finite-Lived Intangible Assets [Line Items]
Weighted - Average Remaining Amortization Years	1 year
Gross Carrying Amount	$ 1.2	1.2
Accumulated Amortization	1.0	0.8
Net	$ 0.2	$ 0.4

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Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2017	Mar. 31, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Tax Contingency [Line Items]
Income tax expense	$ 1.7		$ 0.4	$ 150.7	$ 1.4
Deferred income tax expense	1.6		$ (0.2)	150.4	$ 0.2
SunCoke Energy Inc
Income Tax Contingency [Line Items]
Deferred tax liability	$ 3.0			$ 3.0
IRS
Income Tax Contingency [Line Items]
Deferred income tax expense		$ 148.6

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Debt and Financing Obligation - Schedule of Long Term Debt (Details) - USD ($) $ in Millions	Sep. 30, 2017	Aug. 31, 2017	May 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Total borrowings	$ 843.3			$ 813.4
Original issue (discount) premium	(9.1)			7.5
Debt issuance cost	(15.3)			(10.3)
Total debt and financing obligation	818.9			810.6
Less: current portion of long-term debt and financing obligation	2.6			4.9
Total long-term debt and financing obligation	816.3			805.7
7.500 percent senior notes, due 2025 (2025 Partnership Notes) | Senior Notes
Debt Instrument [Line Items]
Total borrowings	$ 630.0			0.0
Interest rate on partnership notes (as a percent)	7.50%		7.50%
7.375 percent senior notes, due 2020 (2020 Partnership Notes) | Senior Notes
Debt Instrument [Line Items]
Total borrowings	$ 0.0			463.0
Interest rate on partnership notes (as a percent)	7.375%
Partnership term loan, due 2019 (Partnership Term Loan) | Line of Credit
Debt Instrument [Line Items]
Total borrowings	$ 0.0			50.0
Revolving credit facility, due 2022 and 2019, respectively (Partnership Revolver) | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Total borrowings	200.0			172.0
Partnership promissory note payable, due 2021 (Promissory Note) | Senior Notes
Debt Instrument [Line Items]
Total borrowings	0.0	$ 112.6		113.2
5.82 percent financing obligation, due 2021 (Financing Obligation) | Financing Obligations
Debt Instrument [Line Items]
Total borrowings	$ 13.3			$ 15.2
Interest rate on partnership notes (as a percent)	5.82%

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Debt and Financing Obligation - Narrative (Details)	1 Months Ended		3 Months Ended		9 Months Ended
	Aug. 31, 2017 USD ($)	May 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Jun. 30, 2020	Dec. 31, 2016 USD ($)
Debt Instrument [Line Items]
Repayment of revolving credit facility					$ 240,000,000	$ 25,000,000
Loss on extinguishment of debt			$ 100,000	$ (1,000,000)	20,000,000	(24,900,000)
Proceeds from revolving credit facility					268,000,000	$ 20,000,000
Total borrowings			$ 843,300,000		$ 843,300,000			$ 813,400,000
7.500 percent senior notes, due 2025 (2025 Partnership Notes) | Senior Notes
Debt Instrument [Line Items]
Face value		$ 630,000,000
Interest rate on partnership notes (as a percent)		7.50%	7.50%		7.50%
Proceeds from issuance of senior debt		$ 620,600,000
Unamortized discount		9,400,000
Debt issuance costs, net			$ 11,900,000		$ 11,900,000
Percentage of debt repurchase, change of control					101.00%
Percentage of debt repurchase, asset dispositions					100.00%
Total borrowings			630,000,000		$ 630,000,000			0
7.500 percent senior notes, due 2025 (2025 Partnership Notes) | Senior Notes | Before June 15, 2020
Debt Instrument [Line Items]
Redemption price percentage					35.00%
Percentage of principal amount redeemed					107.50%
7.500 percent senior notes, due 2025 (2025 Partnership Notes) | Senior Notes | Anytime Prior to June 15, 2020
Debt Instrument [Line Items]
Percentage of principal amount redeemed					100.00%
7.375 percent senior notes, due 2020 (2020 Partnership Notes) | Senior Notes
Debt Instrument [Line Items]
Face value			$ 463,000,000		$ 463,000,000
Interest rate on partnership notes (as a percent)			7.375%		7.375%
Redemption premium					$ 18,700,000
Loss on extinguishment of debt					19,100,000
Debt issuance costs, gross					7,000,000
Unamortized premium					(6,600,000)
Total borrowings			$ 0		0			463,000,000
Partnership term loan, due 2019 (Partnership Term Loan) | Line of Credit
Debt Instrument [Line Items]
Repayment of revolving credit facility					50,000,000
Total borrowings			0		0			50,000,000
Revolving credit facility, due 2022 and 2019, respectively (Partnership Revolver) | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Repayment of revolving credit facility		172,000,000
Maximum borrowing capacity		285,000,000
Proceeds from revolving credit facility	$ 100,000,000				200,000,000
Line of credit debt issuance costs, gross			3,000,000		3,000,000
Amortization of debt issuance costs					800,000
Total borrowings			200,000,000		200,000,000			172,000,000
Remaining borrowing capacity			83,100,000		83,100,000
Revolving credit facility, due 2019 (Partnership Revolver) | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Maximum borrowing capacity		$ 250,000,000
Letters of credit outstanding			1,900,000		1,900,000
Revolving credit facility, due 2019 (Partnership Revolver) | Line of Credit | Revolving Credit Facility | Forecast
Debt Instrument [Line Items]
Leverage ratio, maximum							4.00
Partnership promissory note payable, due 2021 (Promissory Note) | Senior Notes
Debt Instrument [Line Items]
Amortization of debt issuance costs			100,000		100,000
Total borrowings	112,600,000		$ 0		$ 0			$ 113,200,000
Repayments of senior debt	$ 12,600,000
Credit Agreement and Partner Revolver
Debt Instrument [Line Items]
Leverage ratio, maximum			4.5		4.5
Interest coverage ratio, minimum			2.5		2.5
Cross default debt threshold			$ 35,000,000		$ 35,000,000

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Commitments and Contingent Liabilities (Details) - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2014
Loss Contingencies [Line Items]
Cost of capital projects	$ 96.0
Haverhill Coke Company LLC and Middletown Coke Company LLC | IPO
Loss Contingencies [Line Items]
Environmental capital expenditures retained	119.0
Haverhill and Granite City
Loss Contingencies [Line Items]
Payments for legal settlements		$ 2.2
Cost of capital projects	7.0
Haverhill and Granite City | Suncoke Inc
Loss Contingencies [Line Items]
Environmental capital expenditures retained	$ 15.0

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Fair Value Measurements (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Business Acquisition [Line Items]
Contingent consideration adjustments	$ 2.0	$ 4.6	$ 1.7	$ 8.3
Estimated fair value of the Partnership's long-term debt	864.2		864.2		$ 810.4
Carrying value of Partnership's long-term debt	843.3		843.3		813.4
Cost of Products Sold and Operating Expenses
Business Acquisition [Line Items]
Contingent consideration adjustments	(2.0)	$ (4.6)	(1.7)	$ (8.3)
Other Deferred Charges and Liabilities | Fair Value, Inputs, Level 3 | Convent Marine Terminal
Business Acquisition [Line Items]
Business combination, contingent consideration	$ 2.5		$ 2.5		$ 4.2

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Business Segment Disclosures - Revenues, Expenses and Assets by Segment (Details) T in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) T	Sep. 30, 2016 USD ($)
Segment Reporting Information [Line Items]
Sales and other operating revenue	$ 214.0	$ 185.5	$ 610.2	$ 561.4
Adjusted EBITDA	58.4	45.7	153.1	135.6
Depreciation and amortization expense	20.2	18.1	63.3	57.3
Capital expenditures	13.4	8.0	23.3	30.1
Domestic Coke
Segment Reporting Information [Line Items]
Depreciation and amortization expense	14.3	12.7	45.6	38.7
Capital expenditures	13.0	4.4	$ 21.8	15.8
Coal Logistics
Segment Reporting Information [Line Items]
Coal handling capacity (in tons) | T			40
Depreciation and amortization expense	5.9	5.4	$ 17.7	18.6
Capital expenditures	0.4	3.6	1.5	14.3
Operating Segments | Domestic Coke
Segment Reporting Information [Line Items]
Sales and other operating revenue	193.4	170.8	548.6	517.2
Adjusted EBITDA	50.0	42.9	130.0	130.3
Operating Segments | Coal Logistics
Segment Reporting Information [Line Items]
Sales and other operating revenue	20.6	14.7	61.6	44.2
Adjusted EBITDA	12.3	7.0	34.9	18.2
Intersegment sales
Segment Reporting Information [Line Items]
Sales and other operating revenue	(1.6)	(1.5)	(4.9)	(4.7)
Intersegment sales | Coal Logistics
Segment Reporting Information [Line Items]
Sales and other operating revenue	1.6	1.5	4.9	4.7
Corporate and Other
Segment Reporting Information [Line Items]
Adjusted EBITDA	$ (3.9)	$ (4.2)	$ (11.8)	$ (12.9)

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Business Segment Disclosures - Segment Assets (Details) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Total assets	$ 1,677.8	$ 1,696.0
Operating Segments | Domestic Coke
Segment Reporting Information [Line Items]
Total assets	1,182.6	1,184.2
Operating Segments | Coal Logistics
Segment Reporting Information [Line Items]
Total assets	494.2	510.6
Corporate and Other
Segment Reporting Information [Line Items]
Total assets	$ 1.0	$ 1.2

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Business Segment Disclosures - Revenues by Operating Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Revenue	$ 214.0	$ 185.5	$ 610.2	$ 561.4
Cokemaking
Segment Reporting Information [Line Items]
Revenue	177.0	155.8	503.8	471.3
Energy
Segment Reporting Information [Line Items]
Revenue	14.7	13.9	39.0	42.5
Logistics
Segment Reporting Information [Line Items]
Revenue	19.2	14.2	59.0	43.2
Other
Segment Reporting Information [Line Items]
Revenue	$ 3.1	$ 1.6	$ 8.4	$ 4.4

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Business Segment Disclosures - Adjusted EBITDA (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Segment Reporting Information [Line Items]
Net cash provided by operating activities	$ 61.1	$ 31.9	$ 112.7	$ 140.0
Depreciation and amortization expense	20.2	18.1	63.3	57.3
Loss (gain) on extinguishment of debt	0.1	(1.0)	20.0	(24.9)
Deferred income tax expense (benefit)	1.6	(0.2)	150.4	0.2
Changes in working capital and other	15.9	(7.0)	(0.1)	32.3
Net income (loss)	23.3	22.0	(120.9)	75.1
Interest expense, net	15.1	11.5	41.7	35.7
Income tax expense, net	1.7	0.4	150.7	1.4
Contingent consideration adjustments	(2.0)	(4.6)	(1.7)	(8.3)
Non-cash reversal of acquired contractual obligation	0.0	(0.7)	0.0	(0.7)
Adjusted EBITDA	58.4	45.7	153.1	135.6
Adjusted EBITDA attributable to noncontrolling interest	1.0	0.9	2.6	2.6
Adjusted EBITDA attributable to SunCoke Energy Partners, L.P.	57.4	44.8	150.5	133.0
Cost of Products Sold and Operating Expenses
Segment Reporting Information [Line Items]
Contingent consideration adjustments	$ 2.0	$ 4.6	$ 1.7	$ 8.3