Schedule of foreign exchange contracts

At December 31, 2016, the following interest rate derivatives were outstanding:



	Notional Amount			Interest Rate Received	Weighted Average Interest Rate Paid	Hedge Maturity Date		Fair Value Gain (Loss) December 31, 2016
	(in millions)							(in millions)
Cash Flow Hedges of Forecasted Debt
	$	80		3-month LIBOR	2.32%	December 2026		$	—
Cash Flow Hedges of Existing Debt
	900			1-month LIBOR	0.79%	March 2018		3
Fair Value Hedges of Existing Debt
	250			1.30%	3-month LIBOR + 0.17%	August 2017		—
	250			5.40%	3-month LIBOR + 4.02%	June 2018		—
	500			1.95%	3-month LIBOR + 0.76%	December 2018		(2		)
	200			4.25%	3-month LIBOR + 2.46%	December 2019		1
	300			2.75%	3-month LIBOR + 0.92%	June 2020		1
	1,500			2.35%	1-month LIBOR + 0.87%	July 2021		(18		)
Derivatives not Designated as Hedges
	47		(a,b)	3-month LIBOR	2.21%	January 2017	(c)	1
Total	$	4,027						$	(14	)


(a)	Swaption at RE Roserock LLC. See Note 12 for additional information.


(b)	Amortizing notional amount.


(c)	Represents the mandatory settlement date. Settlement amount was based on a 15-year amortizing swap.

At December 31, 2016, the following foreign currency derivatives were outstanding:



	Pay Notional		Pay Rate	Receive Notional		Receive Rate	Hedge Maturity Date	Fair Value Gain (Loss) at December 31, 2016
	(in millions)			(in millions)				(in millions)
Cash Flow Hedges of Existing Debt
	$	677	2.95%	€	600	1.00%	June 2022	$	(34	)
	564		3.78%	500		1.85%	June 2026	(24		)
Total	$	1,241		€	1,100			$	(58	)

Fair value of energy-related derivatives and interest rate derivatives

At December 31, 2016 and 2015, the fair value of energy-related derivatives, interest rate derivatives, and foreign currency derivatives was reflected in the balance sheets as follows:



	2016						2015
Derivative Category and Balance Sheet Location	Assets			Liabilities			Assets			Liabilities
	(in millions)
Derivatives designated as hedging instruments for regulatory purposes
Energy-related derivatives:
Other current assets/Liabilities from risk management activities, net of collateral	$	73		$	27		$	3		$	130
Other deferred charges and assets/Other deferred credits and liabilities	25			33			—			87
Total derivatives designated as hedging instruments for regulatory purposes	$	98		$	60		$	3		$	217
Derivatives designated as hedging instruments in cash flow and fair value hedges
Energy-related derivatives:
Other current assets/Liabilities from risk management activities, net of collateral	$	23		$	7		$	3		$	2
Interest rate derivatives:
Other current assets/Liabilities from risk management activities, net of collateral	12			1			19			23
Other deferred charges and assets/Other deferred credits and liabilities	1			28			—			7
Foreign currency derivatives:
Other current assets/Liabilities from risk management activities, net of collateral	—			25			—			—
Other deferred charges and assets/Other deferred credits and liabilities	—			33			—			—
Total derivatives designated as hedging instruments in cash flow and fair value hedges	$	36		$	94		$	22		$	32
Derivatives not designated as hedging instruments
Energy-related derivatives:
Other current assets/Liabilities from risk management activities, net of collateral	$	489		$	483		$	1		$	1
Other deferred charges and assets/Other deferred credits and liabilities	66			81			—			—
Interest rate derivatives:
Other current assets/Liabilities from risk management activities, net of collateral	1			—			3			—
Total derivatives not designated as hedging instruments	$	556		$	564		$	4		$	1
Gross amounts recognized	$	690		$	718		$	29		$	250
Gross amounts offset^(a)	$	(462	)	$	(524	)	$	(15	)	$	(15	)
Net amounts recognized in the Balance Sheets^(b)	$	228		$	194		$	14		$	235


(a)	Gross amounts offset include cash collateral held on deposit in broker margin accounts of $62 million as of December 31, 2016.


(b)	At December 31, 2015, the fair value amounts for derivative contracts subject to netting arrangements were presented gross on the balance sheet.

At December 31, 2016 and 2015, the pre-tax effects of unrealized derivative gains (losses) arising from energy-related derivatives designated as regulatory hedging instruments and deferred were as follows:



	Unrealized Losses							Unrealized Gains
Derivative Category	Balance Sheet Location	2016			2015			Balance Sheet Location	2016		2015
		(in millions)							(in millions)
Energy-related derivatives:^(a)	Other regulatory assets, current	$	(16	)	$	(130	)	Other regulatory liabilities, current	$	56	$	3
	Other regulatory assets, deferred	(19		)	(87		)	Other regulatory liabilities, deferred	12		—
Total energy-related derivative gains (losses)^(b)		$	(35	)	$	(217	)		$	68	$	3


(a)	At December 31, 2016, the unrealized gains and losses for derivative contracts subject to netting arrangements were presented net on the balance sheet. At December 31, 2015, the unrealized gains and losses for derivative contracts were presented gross on the balance sheet.


(b)	Fair value gains and losses recorded in regulatory assets and liabilities include cash collateral held on deposit in broker margin accounts of $8 million as of December 31, 2016.

Pre-tax effect of interest rate and energy related derivatives

For the years ended December 31, 2016, 2015, and 2014, the pre-tax effects of energy-related derivatives, interest rate derivatives, and foreign currency derivatives designated as cash flow hedging instruments on the statements of income were as follows:



Derivatives in Cash Flow Hedging Relationships	Gain (Loss) Recognized in OCI on Derivative (Effective Portion)									Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
	Amount										Amount
Derivative Category	2016			2015			2014			Statements of Income Location	2016			2015			2014
	(in millions)										(in millions)
Energy-related derivatives	$	18		$	—		$	—		Depreciation and amortization	$	2		$	—		$	—
										Cost of natural gas	(1		)	—			—
Interest rate derivatives	(180		)	(22		)	(16		)	Interest expense, net of amounts capitalized	(18		)	(9		)	(8		)
Foreign currency derivatives	(58		)	—			—			Interest expense, net of amounts capitalized	(13		)	—			—
										Other income (expense), net^(*)	(82		)	—			—
Total	$	(220	)	$	(22	)	$	(16	)		$	(112	)	$	(9	)	$	(8	)


(*)	The reclassification from accumulated OCI into other income (expense), net completely offsets currency gains and losses arising from changes in the U.S. currency exchange rates used to record the euro-denominated notes.

For the years ended December 31, 2016, 2015, and 2014, the pre-tax effects of interest rate derivatives designated as fair value hedging instruments were as follows:



Derivatives in Fair Value Hedging Relationships		Gain (Loss)
Derivative Category	Statements of Income Location	2016			2015		2014
		(in millions)
Interest rate derivatives:	Interest expense, net of amounts capitalized	$	(21	)	$	2	$	(3	)

Pre-tax effect of interest rate and energy related derivatives

For the years ended December 31, 2016, 2015, and 2014, the pre-tax effects of energy-related derivatives not designated as hedging instruments on the statements of income were as follows:



Derivatives Not Designated as Hedging Instruments		Unrealized Gain (Loss) Recognized in Income
		Amount
Derivative Category	Statements of Income Location	2016		2015			2014
		(in millions)
Energy-related derivatives	Wholesale electric revenues	$	2	$	(5	)	$	6
	Fuel	—		3			(4		)
	Natural gas revenues^(*)	33		—			—
	Cost of natural gas	3		—			—
Total		$	38	$	(2	)	$	2


(*)	Excludes gains (losses) recorded in cost of natural gas associated with weather derivatives of $6 million for the period ended December 31, 2016.

Alabama Power [Member]

Fair value of energy-related derivatives and interest rate derivatives

At December 31, 2016 and 2015, the fair value of energy-related derivatives and interest rate derivatives was reflected on the balance sheets as follows:



	2016						2015
Derivative Category and Balance Sheet Location	Assets			Liabilities			Assets			Liabilities
	(in millions)
Derivatives designated as hedging instruments for regulatory purposes
Energy-related derivatives:
Other current assets/Other current liabilities	$	13		$	5		$	1		$	40
Other deferred charges and assets/Other deferred credits and liabilities	7			4			—			15
Total derivatives designated as hedging instruments for regulatory purposes	$	20		$	9		$	1		$	55
Derivatives designated as hedging instruments in cash flow hedges
Interest rate derivatives:
Other current assets/Other current liabilities	$	—		$	—		$	—		$	15
Gross amounts recognized	$	20		$	9		$	1		$	70
Gross amounts offset	$	(8	)	$	(8	)	$	(1	)	$	(1	)
Net amounts recognized in the Balance Sheets^(*)	$	12		$	1		$	—		$	69


(*)	At December 31, 2015, the fair value amounts for derivative contracts subject to netting arrangements were presented gross on the balance sheet.

At December 31, 2016 and 2015, the pre-tax effect of unrealized derivative gains (losses) arising from energy-related derivatives designated as regulatory hedging instruments and deferred were as follows:



	Unrealized Losses							Unrealized Gains
Derivative Category	Balance Sheet Location	2016			2015			Balance Sheet Location	2016		2015
		(in millions)							(in millions)
Energy-related derivatives:^(*)	Other regulatory assets, current	$	(1	)	$	(40	)	Other current liabilities	$	8	$	1
	Other regulatory assets, deferred	—			(15		)	Other regulatory liabilities, deferred	4		—
Total energy-related derivative gains (losses)		$	(1	)	$	(55	)		$	12	$	1


(*)	At December 31, 2016, the unrealized gains and losses for derivative contracts subject to netting arrangements were presented net on the balance sheet. At December 31, 2015, the unrealized gains and losses for derivative contracts were presented gross on the balance sheet.

For the years ended December 31, 2016, 2015, and 2014, the pre-tax effect of interest rate derivatives designated as cash flow hedging instruments on the statements of income was as follows:



Derivatives in Cash Flow Hedging Relationships	Gain (Loss) Recognized in OCI on Derivative (Effective Portion)									Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
Derivatives in Cash Flow Hedging Relationships											Amount
Derivative Category	2016			2015			2014			Statements of Income Location	2016			2015			2014
	(in millions)										(in millions)
Interest rate derivatives	$	(3	)	$	(7	)	$	(8	)	Interest expense, net of amounts capitalized	$	(6	)	$	(3	)	$	(3	)

Georgia Power [Member]

Fair value of energy-related derivatives and interest rate derivatives

At December 31, 2016, the following interest rate derivatives were outstanding:



	Notional Amount		Interest Rate Received	Weighted Average Interest Rate Paid	Hedge Maturity Date	Fair Value Gain (Loss) December 31, 2016
	(in millions)					(in millions)
Fair Value Hedges of Existing Debt
	$	250	5.40%	3-month LIBOR + 4.02%	June 2018	$	—
	500		1.95%	3-month LIBOR + 0.76%	December 2018	(2		)
	200		4.25%	3-month LIBOR + 2.46%	December 2019	1
Total	$	950				$	(1	)

At December 31, 2016 and 2015, the fair value of energy-related derivatives and interest rate derivatives was reflected in the balance sheets as follows:



	2016						2015
Derivative Category and Balance Sheet Location	Assets			Liabilities			Assets			Liabilities
	(in millions)
Derivatives designated as hedging instruments for regulatory purposes
Energy-related derivatives:
Other current assets/Other current liabilities	$	30		$	1		$	2		$	12
Other deferred charges and assets/Other deferred credits and liabilities	14			7			—			3
Total derivatives designated as hedging instruments for regulatory purposes	$	44		$	8		$	2		$	15
Derivatives designated as hedging instruments in cash flow and fair value hedges
Interest rate derivatives:
Other current assets/Other current liabilities	$	2		$	—		$	5		$	—
Other deferred charges and assets/Other deferred credits and liabilities	—			3			—			6
Total derivatives designated as hedging instruments in cash flow and fair value hedges	$	2		$	3		$	5		$	6
Gross amounts recognized	$	46		$	11		$	7		$	21
Gross amounts offset	$	(8	)	$	(8	)	$	(6	)	$	(6	)
Net amounts recognized in the Balance Sheets^(*)	$	38		$	3		$	1		$	15


(*)	At December 31, 2015, the fair value amounts for derivative contracts subject to netting arrangements were presented gross on the balance sheet.



	Unrealized Losses						Unrealized Gains
Derivative Category	Balance Sheet Location	2016		2015			Balance Sheet Location	2016		2015
		(in millions)						(in millions)
Energy-related derivatives:^(*)	Other regulatory assets, current	$	—	$	(12	)	Other regulatory liabilities, current	$	29	$	2
	Other regulatory assets, deferred	—		(3		)	Other deferred credits and liabilities	7		—
Total energy-related derivative gains (losses)		$	—	$	(15	)		$	36	$	2


(*)	At December 31, 2016, the unrealized gains and losses for energy-related derivative contracts subject to netting arrangements were presented net on the balance sheet. At December 31, 2015, the unrealized gains and losses for energy-related derivative contracts subject to netting arrangements were presented gross on the balance sheet.

For the years ended December 31, 2016, 2015, and 2014, the pre-tax effects of interest rate derivatives designated as cash flow hedging instruments on the statements of income were as follows:



Derivatives in Cash Flow Hedging Relationships	Gain (Loss) Recognized in OCI on Derivative (Effective Portion)								Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
										Amount
Derivative Category	2016		2015			2014			Statements of Income Location	2016			2015			2014
	(in millions)									(in millions)
Interest rate derivatives	$	—	$	(15	)	$	(8	)	Interest expense, net of amounts capitalized	$	(4	)	$	(3	)	$	(3	)

Gulf Power [Member]

Fair value of energy-related derivatives and interest rate derivatives

At December 31, 2016, the following interest rate derivative was outstanding:

Notional
Amount

Interest
Rate
Received

Weighted Average Interest
Rate Paid

Hedge
Maturity
Date

Fair Value
Gain (Loss)
December 31,
2016

(in millions)

Cash Flow Hedges of Forecasted Debt

3-month LIBOR

2.32%

December 2026

—

At December 31, 2016 and 2015, the fair value of energy-related derivatives and interest rate derivatives was reflected in the balance sheets as follows:



	2016						2015
Derivative Category and Balance Sheet Location	Assets			Liabilities			Assets		Liabilities
	(in millions)
Derivatives designated as hedging instruments for regulatory purposes
Energy-related derivatives:
Other current assets/Liabilities from risk management activities	$	4		$	12		$	—	$	49
Other deferred charges and assets/Other deferred credits and liabilities	1			17			—		51
Total derivatives designated as hedging instruments for regulatory purposes	$	5		$	29		$	—	$	100
Derivatives designated as hedging instruments in cash flow and fair value hedges
Interest rate derivatives:
Other current assets/Liabilities from risk management activities	—			—			1		—
Gross amounts recognized	$	5		$	29		$	1	$	100
Gross amounts offset	$	(4	)	$	(4	)	$	—	$	—
Net amounts recognized in the Balance Sheets^(*)	$	1		$	25		$	1	$	100


(*)	At December 31, 2015, the fair value amounts for derivative contracts subject to netting arrangements were presented gross on the balance sheet.



	Unrealized Losses							Unrealized Gains
Derivative Category	Balance Sheet Location	2016			2015			Balance Sheet Location	2016		2015
		(in millions)							(in millions)
Energy-related derivatives:^(*)	Other regulatory assets, current	$	(9	)	$	(49	)	Other regulatory liabilities, current	$	1	$	—
	Other regulatory assets, deferred	(16		)	(51		)	Other regulatory liabilities, deferred	—		—
Total energy-related derivative gains (losses)		$	(25	)	$	(100	)		$	1	$	—

Mississippi Power [Member]

For the years ended December 31, 2016, 2015, and 2014, the pre-tax effects of interest rate derivatives designated as cash flow hedging instruments on the statements of income were as follows:



Derivatives in Cash Flow Hedging Relationships	Gain (Loss) Recognized in OCI on Derivative						Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)
Derivatives in Cash Flow Hedging Relationships	(Effective Portion)							Amount
Derivative Category	2016		2015		2014		Statements of Income Location	2016			2015			2014
	(in millions)							(in millions)
Interest rate derivatives	$	—	$	1	$	—	Interest expense, net of amounts capitalized	$	(1	)	$	(1	)	$	(1	)

Fair value of energy-related derivatives and interest rate derivatives

At December 31, 2016, the following interest rate derivatives were outstanding:

Notional
Amount

Interest
Rate
Received

Weighted Average Interest
Rate Paid

Hedge
Maturity
Date

Fair Value
Gain (Loss)
December 31,
2016

(in millions)

Cash Flow Hedges of Existing Debt

900

1-month LIBOR

0.79%

March 2018

At December 31, 2016 and 2015, the fair value of energy-related derivatives and interest rate derivatives was reflected on the balance sheets as follows:



	2016						2015
Derivative Category and Balance Sheet Location	Assets			Liabilities			Assets		Liabilities
	(in millions)
Derivatives designated as hedging instruments for regulatory purposes
Energy-related derivatives:
Other current assets/Other current liabilities	$	2		$	6		$	—	$	29
Other deferred charges and assets/Other deferred credits and liabilities	2			5			—		18
Total derivatives designated as hedging instruments for regulatory purposes	$	4		$	11		$	—	$	47
Derivatives designated as hedging instruments in cash flow and fair value hedges
Interest rate derivatives:
Other current assets/Other current liabilities	$	2		$	—		$	—	$	—
Other deferred charges and assets/Other deferred credits and liabilities	1			—			—		—
Total derivatives designated as hedging instruments in cash flow and fair value hedges	$	3		$	—		$	—	$	—
Gross amounts recognized	$	7		$	11		$	—	$	47
Gross amounts offset	$	(3	)	$	(3	)	$	—	$	—
Net amounts recognized in the Balance Sheets^(*)	$	4		$	8		$	—	$	47


(*)	At December 31, 2015, the fair value amounts for derivative contracts subject to netting arrangements were presented gross on the balance sheet.



	Unrealized Losses							Unrealized Gains
Derivative Category	Balance Sheet Location	2016			2015			Balance Sheet Location	2016		2015
		(in millions)							(in millions)
Energy-related derivatives:^(*)	Other regulatory assets, current	$	(5	)	$	(29	)	Other regulatory liabilities, current	$	1	$	—
	Other regulatory assets, deferred	(3		)	(18		)	Other regulatory liabilities, deferred	—		—
Total energy-related derivative gains (losses)		$	(8	)	$	(47	)		$	1	$	—


(*)	At December 31, 2016, the unrealized gains and losses for derivative contracts subject to netting arrangements were presented net on the balance sheet. At December 31, 2015, the unrealized gains and losses for derivative contracts were presented gross on the balance sheet.

For the year ended December 31, 2016, the pre-tax effects of derivatives designated as cash flow hedging instruments on the statements of operations were $3 million. For the years ended December 31, 2015 and 2014, these effects were immaterial.

Southern Power [Member]

Schedule of foreign exchange contracts

At December 31, 2016, the following interest rate derivatives were outstanding:

Notional
Amount

Interest
Rate
Received

Weighted Average Interest
Rate Paid

Hedge
Maturity
Date

Fair Value
Gain (Loss)
December 31,
2016

(in millions)

Derivatives not Designated as Hedges

(a.b)

3-month LIBOR

2.21%

January 2017

(c)


(a)	Swaption at RE Roserock LLC.


(b)	Amortizing notional amount.


(c)	Represents the mandatory settlement date. Settlement amount was based on a 15-year amortizing swap.

At December 31, 2016, the following foreign currency derivatives were outstanding:



	Pay Notional		Pay Rate	Receive Notional		Receive Rate	Hedge Maturity Date	Fair Value Gain (Loss) at December 31, 2016
	(in millions)			(in millions)				(in millions)
Cash Flow Hedges of Existing Debt
	$	677	2.95%	€	600	1.00%	June 2022	$	(34	)
	564		3.78%	500		1.85%	June 2026	(24		)
Total	$	1,241		€	1,100			$	(58	)

Fair value of energy-related derivatives and interest rate derivatives

At December 31, 2016 and 2015, the fair value of energy-related, interest rate, and foreign currency derivatives reflected in the consolidated balance sheets is as follows:



	2016						2015
Derivative Category and Balance Sheet Location	Assets			Liabilities			Assets			Liabilities
	(in millions)
Derivatives designated as hedging instruments in cash flow and fair value hedges
Energy-related derivatives:
Other current assets/Other current liabilities	$	18		$	4		$	3		$	2
Foreign currency derivatives:
Other current assets/Other current liabilities	—			25			—			—
Other deferred charges and assets/Other deferred credits and liabilities	—			33			—			—
Total derivatives designated as hedging instruments in cash flow and fair value hedges	$	18		$	62		$	3		$	2
Derivatives not designated as hedging instruments
Energy-related derivatives:
Other current assets/Other current liabilities	$	3		$	1		$	1		$	1
Interest rate derivatives:
Other current assets/Other current liabilities	1			—			3			—
Total derivatives not designated as hedging instruments	$	4		$	1		$	4		$	1
Gross amounts of recognized assets and liabilities	$	22		$	63		$	7		$	3
Gross amounts offset	$	(5	)	$	(5	)	$	(1	)	$	(1	)
Net amounts of assets and liabilities ^(*)	$	17		$	58		$	6		$	2


(*)	At December 31, 2015, the fair value amounts for derivative contracts subject to netting arrangements were presented gross on the consolidated balance sheet.

Southern Company Gas [Member]

For the years ended December 31, 2016, 2015, and 2014, the pre-tax effects of energy-related, interest rate, and foreign currency derivatives designated as cash flow hedging instruments on the consolidated statements of income were as follows:



Derivatives in Cash Flow Hedging Relationships	Gain (Loss) Recognized in OCI on Derivative (Effective Portion)							Gain (Loss) Reclassified from AOCI into Income (Effective Portion)
Derivative Category	2016			2015		2014		Statements of Income Location	2016			2015			2014
	(in millions)								(in millions)
Energy-related derivatives	$	14		$	—	$	—	Amortization	$	2		$	—		$	—
Interest rate derivatives	—			—		—		Interest expense, net of amounts capitalized	(1		)	(1		)	(1		)
Foreign currency derivatives	(58		)	—		—		Interest expense, net of amounts capitalized	(13		)	—			—
								Other income (expense), net	(82		)	—			—
Total	$	(44	)	$	—	$	—		$	(94	)	$	(1	)	$	(1	)

Fair value of energy-related derivatives and interest rate derivatives

At December 31, 2016 and 2015, the fair value of energy-related derivatives and interest rate derivatives was reflected in the consolidated balance sheets as follows:



		Asset Derivatives							Liability Derivatives
		Successor			Predecessor				Successor			Predecessor
Derivative Category	Balance Sheet Location	December 31, 2016			December 31, 2015			Balance Sheet Location	December 31, 2016			December 31, 2015
		(in millions)			(in millions)				(in millions)			(in millions)
Derivatives designated as hedging instruments for regulatory purposes
Energy-related derivatives:
	Assets from risk management activities – current	$	24		$	10		Liabilities from risk management activities – current	$	3		$	28
	Other deferred charges and assets	1			—			Other deferred credits and liabilities	—			2
Total derivatives designated as hedging instruments for regulatory purposes		$	25		$	10			$	3		$	30
Derivatives designated as hedging instruments in cash flow and fair value hedges
Energy-related derivatives:
	Assets from risk management activities – current	$	4		$	3		Liabilities from risk management activities – current	$	3		$	5
	Other deferred charges and assets	—			—			Other deferred credits and liabilities	—			2
Interest rate derivatives:
	Assets from risk management activities – current	—			9			Liabilities from risk management activities – current	—			—
Total derivatives designated as hedging instruments in cash flow and fair value hedges		$	4		$	12			$	3		$	7
Derivatives not designated as hedging instruments
Energy-related derivatives:
	Assets from risk management activities – current	$	486		$	741		Liabilities from risk management activities – current	$	482		$	644
	Other deferred charges and assets	66			179			Other deferred credits and liabilities	81			185
Total derivatives not designated as hedging instruments		$	552		$	920			$	563		$	829
Gross amounts of recognized assets and liabilities^(a)(b)		$	581		$	942			$	569		$	866
Gross amounts offset in the Balance Sheet		$	(435	)	$	(724	)		$	(497	)	$	(820	)
Net amounts of derivatives assets and liabilities, presented in the Balance Sheet^(c)		$	146		$	218			$	72		$	46


(a)	The gross amounts of recognized assets and liabilities are netted on the balance sheets to the extent that there were netting arrangements with the counterparties.


(b)	The gross amounts of recognized assets and liabilities do not include cash collateral held on deposit in broker margin accounts of $62 million as of December 31, 2016 and $96 million as of December 31, 2015.


(c)	As of December 31, 2016 and 2015, letters of credit from counterparties offset an immaterial portion of these assets under master netting arrangements.



		Unrealized Losses							Unrealized Gains
		Successor			Predecessor				Successor		Predecessor
Derivative Category	Balance Sheet Location	December 31, 2016			December 31, 2015			Balance Sheet Location	December 31, 2016		December 31, 2015
		(in millions)			(in millions)				(in millions)		(in millions)
Energy-related derivatives:
	Other regulatory assets, current	$	(1	)	$	(15	)	Other regulatory liabilities, current	$	17	$	15
	Other regulatory assets, deferred	—			(2		)	Other regulatory liabilities, deferred	1		—
Total energy-related derivative gains (losses)^(*)		$	(1	)	$	(17	)		$	18	$	15


(*)	Fair value gains and losses included in regulatory assets and liabilities include cash collateral held on deposit in broker margin accounts of $8 million as of December 31, 2016 and $19 million as of December 31, 2015.