

	For the Year Ended December 31, 2017
	Generation^(a)			Retail ^(a)			Renewables^(a)			NRG Yield^(a)			Corporate^(a)			Eliminations				Total
	(In millions)
Operating revenues^(a)	$	3,773		$	6,380		$	424		$	1,009		$	14		$	(971	)		$	10,629
Operating expenses	3,300			5,372			211			348			220			(964		)		8,487
Depreciation and amortization	377			117			196			334			32			—				1,056
Impairment losses	1,504			7			154			44			—			—				1,709
Development costs	13			2			45			—			7			—				67
Total operating cost and expenses	5,194			5,498			606			726			259			(964		)		11,319
Other income - affiliate	—			—			—			—			87			—				87
Gain/(loss) on sale of assets	20			—			(5		)	—			1			—				16
Operating (loss)/income	(1,401		)	882			(187		)	283			(157		)	(7		)		(587		)
Equity in (losses)/earnings of unconsolidated affiliates	(14		)	—			—			71			6			(32		)		31
Impairment losses on investments	(74		)	—			—			—			(5		)	—				(79		)
Other income, net	22			1			—			4			11			—				38
Loss on debt extinguishment	—			—			(1		)	(3		)	(49		)	—				(53		)
Interest expense	(29		)	(6		)	(98		)	(306		)	(451		)	—				(890		)
(Loss)/income from continuing operations before income taxes	(1,496		)	877			(286		)	49			(645		)	(39		)		(1,540		)
Income tax expense/(benefit)	2			(9		)	(20		)	72			(37		)	—				8
Net (loss)/income from continuing operations	$	(1,498	)	$	886		$	(266	)	$	(23	)	$	(608	)	$	(39	)		$	(1,548	)
Loss from discontinued operations, net of income tax	—			—			—			—			(789		)	—				$	(789	)
Net (Loss)/Income	(1,498		)	886			(266		)	(23		)	(1,397		)	(39		)		(2,337		)
Less: Net income/(loss) attributable to noncontrolling interests and redeemable noncontrolling interests	—			2			(103		)	(87		)	(4		)	8				(184		)
Net (loss)/income attributable to NRG Energy, Inc.	$	(1,498	)	$	884		$	(163	)	$	64		$	(1,393	)	$	(47	)		$	(2,153	)

Balance sheet
Equity investments in affiliates	$	179		$	—		$	4		$	852		$	3		$	—			$	1,038
Capital expenditures ^(b)	481			82			521			31			12			—				1,127
Goodwill	165			374			—			—			—			—				539
Total assets	$	7,209		$	2,630		$	5,129		$	8,283		$	8,919		$	(8,852	)	—	$	23,318



(a) Inter-segment sales and net derivative gains and losses included in operating revenues	$	910	$	5	$	31	$	—	$	25	$	—	$	971

(b) Includes accruals.



	For the Year Ended December 31, 2016
	Generation^(a)			Retail ^(a)			Renewables^(a)			NRG Yield^(a)			Corporate^(a)			Eliminations			Total
	(In millions)
Operating revenues^(a)	$	3,833		$	6,335		$	406		$	1,035		$	77		$	(1,174	)	$	10,512
Operating expenses	3,545			5,164			217			325			323			(1,178		)	8,396
Depreciation and amortization	516			111			185			303			57			—			1,172
Impairment losses	430			1			54			185			32			—			702
Development costs	15			4			40			—			30			—			89
Total operating cost and expenses	4,506			5,280			496			813			442			(1,178		)	10,359
Other income - affiliate	—			—			—			—			193			—			193
Loss on sale of assets	—			(1		)	—			—			(79		)				(80		)
Operating (loss)/income	(673		)	1,054			(90		)	222			(251		)	4			266
Equity in (losses)/earnings of unconsolidated affiliates	(5		)	—			(58		)	60			13			17			27
Impairment losses on investments	(142		)	—			(105		)	—			(21		)	—			(268		)
Other income, net	21			(6		)	1			3			19			(4		)	34
Loss on debt extinguishment	—			—			—			—			(142		)	—			(142		)
Interest expense	(26		)	6			(98		)	(284		)	(495		)	2			(895		)
(Loss)/income from continuing operations before income taxes	(825		)	1,054			(350		)	1			(877		)	19			(978		)
Income tax (benefit)/expense	(1		)	1			(20		)	(1		)	26			—			5
Net (loss)/income from continuing operations	(824		)	1,053			(330		)	2			(903		)	19			(983		)
Income from discontinued operations, net of income tax	—			—			—			—			92						92
Net (Loss)/Income	(824		)	1,053			(330		)	2			(811		)	19			(891		)
Less: Net (loss)/income attributable to noncontrolling interests and redeemable noncontrolling interests	—			(2		)	(13		)	(54		)	18			(66		)	(117		)
Net (loss)/income attributable to NRG Energy, Inc.	$	(824	)	$	1,055		$	(317	)	$	56		$	(829	)	$	85		$	(774	)

Balance sheet
Equity investments in affiliates	$	204		$	—		$	26		$	886		$	4		$	—		$	1,120
Capital expenditures^(b)	522			12			330			23			110			—			997
Goodwill	276			374			12			—			—			—			662
Total assets	$	13,514		$	2,332		$	4,921		$	8,962		$	11,891		$	(10,938	)	$	30,682



(a) Inter-segment sales and net derivative gains and losses included in operating revenues	$	1,033	$	4	$	24	$	8	$	105	$	—	$	1,174

(b) Includes accruals.



	For the Year Ended December 31, 2015
	Generation^(a)			Retail^(a)			Renewables^(a)			NRG Yield^(a)			Corporate^(a)			Eliminations			Total
	(In millions)
Operating revenues^(a)	$	5,179		$	6,913		$	383		$	968		$	38		$	(1,153	)	$	12,328
Operating expenses	4,198			6,138			187			338			502			(1,135		)	10,228
Depreciation and amortization	693			132			176			303			47			—			1,351
Impairment losses	4,655			36			13			1			133			22			4,860
Development costs	26			4			61			—			63			—			154
Total operating costs and expenses	9,572			6,310			437			642			745			(1,113		)	16,593
Other income - affiliate	—			—			—			—			193			—			193
Gain on postretirement benefits curtailment	21			—			—			—			—			—			21
Operating (loss)/income	(4,372		)	603			(54		)	326			(514		)	(40		)	(4,051		)
Equity in earnings/(losses)of unconsolidated affiliates	10			—			(7		)	31			—			2			36
Impairment losses on investments	(14		)	—			—			—			(42		)	—			(56		)
Other income, net	18			(4		)	3			3			13			(7		)	26
Loss on sale of equity method investment	—			—			—			—			(14		)	—			(14		)
Loss on debt extinguishment	—			—			—			(9		)	19			—			10
Interest expense	(25		)	2			(79		)	(267		)	(574		)	6			(937		)
(Loss)/income from continuing operations before income taxes	(4,383		)	601			(137		)	84			(1,112		)	(39		)	(4,986		)
Income tax expense/(benefit)	—			1			(18		)	12			1,350			—			1,345
Net (loss)/income from continuing operations	$	(4,383	)	600			(119		)	72			(2,462		)	(39		)	(6,331		)
Loss from discontinued operations, net of income tax	—			—			—			—			(105		)	—			(105		)
Net (Loss)/Income	(4,383		)	600			(119		)	72			(2,567		)	(39		)	(6,436		)
Less: Net income/(loss) attributable to noncontrolling interests and redeemable noncontrolling interests	—			—			6			19			(37		)	(42		)	(54		)
Net (loss)/income attributable to NRG Energy, Inc.	$	(4,383	)	$	600		$	(125	)	$	53		$	(2,530	)	$	3		$	(6,382	)



(a) Inter-segment sales and net derivative gains and losses included in operating revenues	$	896	$	6	$	31	$	29	$	191	$	—	$	1,153