Supplemental Guarantor Information (Details 1) (USD $)	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2010	Dec. 31, 2009
CURRENT ASSETS:
Cash and cash equivalents	$ 476,000,000	$ 1,019,000,000	$ 281,000,000	$ 874,000,000
Receivables-
Customers	1,578,000,000	1,392,000,000
Other	256,000,000	176,000,000
Materials and supplies	866,000,000	638,000,000
Derivatives	265,000,000	182,000,000
Prepayments and other	203,000,000	92,000,000
Total current assets	4,118,000,000	3,698,000,000
PROPERTY, PLANT AND EQUIPMENT:
In service	39,568,000,000	29,451,000,000
Less - Accumulated provision for depreciation	11,593,000,000	11,180,000,000
Total in service, accumulated provision for depreciation	27,975,000,000	18,271,000,000
Construction work in progress	1,465,000,000	1,517,000,000
Property, plant and equipment held for sale, net	502,000,000	0
Net plant in service	29,942,000,000	19,788,000,000
INVESTMENTS:
Nuclear plant decommissioning trusts	2,051,000,000	1,973,000,000
Other	479,000,000	345,000,000
Total investments	3,156,000,000	3,002,000,000
DEFERRED CHARGES AND OTHER ASSETS:
Goodwill	6,456,000,000	5,575,000,000	5,575,000,000
Other	769,000,000	660,000,000
Total deferred charges and other assets	10,380,000,000	8,317,000,000
Total assets	47,596,000,000	34,805,000,000	34,466,000,000
CURRENT LIABILITIES:
Currently payable long-term debt	2,058,000,000	1,486,000,000
Short-term borrowings-
Other	656,000,000	700,000,000
Accounts payable-
Other	1,122,000,000	872,000,000
Derivatives	287,000,000	266,000,000
Other	691,000,000	733,000,000
Total current liabilities	5,544,000,000	4,698,000,000
CAPITALIZATION:
Common stockholder's equity	12,998,000,000	8,545,000,000
Long-term debt and other long-term obligations	16,491,000,000	12,579,000,000
Total capitalization	29,441,000,000	21,092,000,000
NONCURRENT LIABILITIES:
Deferred gain on sale and leaseback	942,000,000	959,000,000
Accumulated deferred income taxes	5,219,000,000	2,879,000,000
Asset retirement obligations	1,459,000,000	1,407,000,000
Retirement benefits	2,134,000,000	1,868,000,000
Other	2,208,000,000	1,436,000,000
Total noncurrent liabilities	12,611,000,000	9,015,000,000
Total liabilities and capitalization	47,596,000,000	34,805,000,000
FES Corp
CURRENT ASSETS:
Cash and cash equivalents	0	0	0	0
Receivables-
Customers	450,000,000	366,000,000
Associated companies	481,000,000	333,000,000
Other	24,000,000	21,000,000
Notes receivable from associated companies	6,000,000	34,000,000
Materials and supplies	54,000,000	41,000,000
Derivatives	221,000,000	182,000,000
Prepayments and other	34,000,000	48,000,000
Total current assets	1,270,000,000	1,025,000,000
PROPERTY, PLANT AND EQUIPMENT:
In service	101,000,000	96,000,000
Less - Accumulated provision for depreciation	19,000,000	17,000,000
Total in service, accumulated provision for depreciation	82,000,000	79,000,000
Construction work in progress	10,000,000	9,000,000
Property, plant and equipment held for sale, net	0
Net plant in service	92,000,000	88,000,000
INVESTMENTS:
Nuclear plant decommissioning trusts	0	0
Investment in associated companies	5,302,000,000	4,942,000,000
Other	1,000,000	0
Total investments	5,303,000,000	4,942,000,000
DEFERRED CHARGES AND OTHER ASSETS:
Accumulated deferred income taxes	18,000,000	43,000,000
Customer intangibles	129,000,000	134,000,000
Goodwill	24,000,000	24,000,000
Property taxes	0	0
Unamortized sale and leaseback costs	0	0
Derivatives	135,000,000	98,000,000
Other	39,000,000	21,000,000
Total deferred charges and other assets	345,000,000	320,000,000
Total assets	7,010,000,000	6,375,000,000
CURRENT LIABILITIES:
Currently payable long-term debt	1,000,000	101,000,000
Short-term borrowings-
Associated companies	453,000,000	0
Other	0
Accounts payable-
Associated companies	665,000,000	351,000,000
Other	80,000,000	139,000,000
Derivatives	242,000,000	266,000,000
Other	69,000,000	56,000,000
Total current liabilities	1,510,000,000	913,000,000
CAPITALIZATION:
Common stockholder's equity	3,858,000,000	3,788,000,000
Long-term debt and other long-term obligations	1,483,000,000	1,519,000,000
Total capitalization	5,341,000,000	5,307,000,000
NONCURRENT LIABILITIES:
Deferred gain on sale and leaseback	0	0
Accumulated deferred income taxes	0	0
Asset retirement obligations	0	0
Retirement benefits	50,000,000	48,000,000
Lease market valuation liability	0	0
Derivatives	85,000,000	81,000,000
Other	24,000,000	26,000,000
Total noncurrent liabilities	159,000,000	155,000,000
Total liabilities and capitalization	7,010,000,000	6,375,000,000
FGCO
CURRENT ASSETS:
Cash and cash equivalents	6,000,000	9,000,000	0	0
Receivables-
Customers	0	0
Associated companies	425,000,000	357,000,000
Other	23,000,000	56,000,000
Notes receivable from associated companies	410,000,000	189,000,000
Materials and supplies	253,000,000	276,000,000
Derivatives	0	0
Prepayments and other	14,000,000	10,000,000
Total current assets	1,131,000,000	897,000,000
PROPERTY, PLANT AND EQUIPMENT:
In service	6,105,000,000	6,198,000,000
Less - Accumulated provision for depreciation	2,067,000,000	2,020,000,000
Total in service, accumulated provision for depreciation	4,038,000,000	4,178,000,000
Construction work in progress	198,000,000	520,000,000
Property, plant and equipment held for sale, net	487,000,000
Net plant in service	4,723,000,000	4,698,000,000
INVESTMENTS:
Nuclear plant decommissioning trusts	0	0
Investment in associated companies	0	0
Other	9,000,000	12,000,000
Total investments	9,000,000	12,000,000
DEFERRED CHARGES AND OTHER ASSETS:
Accumulated deferred income taxes	344,000,000	412,000,000
Customer intangibles	0	0
Goodwill	0	0
Property taxes	16,000,000	16,000,000
Unamortized sale and leaseback costs	6,000,000	10,000,000
Derivatives	0	0
Other	97,000,000	71,000,000
Total deferred charges and other assets	463,000,000	509,000,000
Total assets	6,326,000,000	6,116,000,000
CURRENT LIABILITIES:
Currently payable long-term debt	436,000,000	419,000,000
Short-term borrowings-
Associated companies	88,000,000	12,000,000
Other	1,000,000
Accounts payable-
Associated companies	231,000,000	213,000,000
Other	111,000,000	102,000,000
Derivatives	0	0
Other	137,000,000	183,000,000
Total current liabilities	1,004,000,000	929,000,000
CAPITALIZATION:
Common stockholder's equity	2,728,000,000	2,515,000,000
Long-term debt and other long-term obligations	2,050,000,000	2,119,000,000
Total capitalization	4,778,000,000	4,634,000,000
NONCURRENT LIABILITIES:
Deferred gain on sale and leaseback	0	0
Accumulated deferred income taxes	0	0
Asset retirement obligations	28,000,000	27,000,000
Retirement benefits	245,000,000	237,000,000
Lease market valuation liability	194,000,000	217,000,000
Derivatives	0	0
Other	77,000,000	72,000,000
Total noncurrent liabilities	544,000,000	553,000,000
Total liabilities and capitalization	6,326,000,000	6,116,000,000
Nuclear Generation Corp
CURRENT ASSETS:
Cash and cash equivalents	0	0	0	0
Receivables-
Customers	0	0
Associated companies	263,000,000	126,000,000
Other	4,000,000	13,000,000
Notes receivable from associated companies	74,000,000	174,000,000
Materials and supplies	192,000,000	228,000,000
Derivatives	0	0
Prepayments and other	1,000,000	1,000,000
Total current assets	534,000,000	542,000,000
PROPERTY, PLANT AND EQUIPMENT:
In service	5,634,000,000	5,412,000,000
Less - Accumulated provision for depreciation	2,298,000,000	2,162,000,000
Total in service, accumulated provision for depreciation	3,336,000,000	3,250,000,000
Construction work in progress	486,000,000	534,000,000
Property, plant and equipment held for sale, net	0
Net plant in service	3,822,000,000	3,784,000,000
INVESTMENTS:
Nuclear plant decommissioning trusts	1,184,000,000	1,146,000,000
Investment in associated companies	0	0
Other	0	0
Total investments	1,184,000,000	1,146,000,000
DEFERRED CHARGES AND OTHER ASSETS:
Accumulated deferred income taxes	0	0
Customer intangibles	0	0
Goodwill	0	0
Property taxes	25,000,000	25,000,000
Unamortized sale and leaseback costs	0	0
Derivatives	0	0
Other	7,000,000	14,000,000
Total deferred charges and other assets	32,000,000	39,000,000
Total assets	5,572,000,000	5,511,000,000
CURRENT LIABILITIES:
Currently payable long-term debt	671,000,000	632,000,000
Short-term borrowings-
Associated companies	0	0
Other	0
Accounts payable-
Associated companies	165,000,000	250,000,000
Other	0	0
Derivatives	0	0
Other	46,000,000	46,000,000
Total current liabilities	882,000,000	928,000,000
CAPITALIZATION:
Common stockholder's equity	2,556,000,000	2,414,000,000
Long-term debt and other long-term obligations	706,000,000	793,000,000
Total capitalization	3,262,000,000	3,207,000,000
NONCURRENT LIABILITIES:
Deferred gain on sale and leaseback	0	0
Accumulated deferred income taxes	504,000,000	448,000,000
Asset retirement obligations	847,000,000	865,000,000
Retirement benefits	0	0
Lease market valuation liability	0	0
Derivatives	0	0
Other	77,000,000	63,000,000
Total noncurrent liabilities	1,428,000,000	1,376,000,000
Total liabilities and capitalization	5,572,000,000	5,511,000,000
Eliminations
CURRENT ASSETS:
Cash and cash equivalents	0	0	0	0
Receivables-
Customers	0	0
Associated companies	(679,000,000)	(338,000,000)
Other	0	0
Notes receivable from associated companies	0	0
Materials and supplies	0	0
Derivatives	0	0
Prepayments and other	0	0
Total current assets	(679,000,000)	(338,000,000)
PROPERTY, PLANT AND EQUIPMENT:
In service	(385,000,000)	(385,000,000)
Less - Accumulated provision for depreciation	(178,000,000)	(175,000,000)
Total in service, accumulated provision for depreciation	(207,000,000)	(210,000,000)
Construction work in progress	0	0
Property, plant and equipment held for sale, net	0
Net plant in service	(207,000,000)	(210,000,000)
INVESTMENTS:
Nuclear plant decommissioning trusts	0	0
Investment in associated companies	(5,302,000,000)	(4,942,000,000)
Other	0	0
Total investments	(5,302,000,000)	(4,942,000,000)
DEFERRED CHARGES AND OTHER ASSETS:
Accumulated deferred income taxes	(362,000,000)	(455,000,000)
Customer intangibles	0	0
Goodwill	0	0
Property taxes	0	0
Unamortized sale and leaseback costs	70,000,000	63,000,000
Derivatives	0	0
Other	(68,000,000)	(58,000,000)
Total deferred charges and other assets	(360,000,000)	(450,000,000)
Total assets	(6,548,000,000)	(5,940,000,000)
CURRENT LIABILITIES:
Currently payable long-term debt	(20,000,000)	(20,000,000)
Short-term borrowings-
Associated companies	0	0
Other	0
Accounts payable-
Associated companies	(668,000,000)	(347,000,000)
Other	0	0
Derivatives	0	0
Other	10,000,000	37,000,000
Total current liabilities	(678,000,000)	(330,000,000)
CAPITALIZATION:
Common stockholder's equity	(5,285,000,000)	(4,929,000,000)
Long-term debt and other long-term obligations	(1,239,000,000)	(1,250,000,000)
Total capitalization	(6,524,000,000)	(6,179,000,000)
NONCURRENT LIABILITIES:
Deferred gain on sale and leaseback	942,000,000	959,000,000
Accumulated deferred income taxes	(288,000,000)	(390,000,000)
Asset retirement obligations	0	0
Retirement benefits	0	0
Lease market valuation liability	0	0
Derivatives	0	0
Other	0	0
Total noncurrent liabilities	654,000,000	569,000,000
Total liabilities and capitalization	(6,548,000,000)	(5,940,000,000)
FES
CURRENT ASSETS:
Cash and cash equivalents	6,000,000	9,000,000	0	0
Receivables-
Customers	450,000,000	366,000,000
Associated companies	490,000,000	478,000,000
Other	51,000,000	90,000,000
Notes receivable from associated companies	490,000,000	397,000,000
Materials and supplies	499,000,000	545,000,000
Derivatives	221,000,000	182,000,000
Prepayments and other	49,000,000	59,000,000
Total current assets	2,256,000,000	2,126,000,000
PROPERTY, PLANT AND EQUIPMENT:
In service	11,455,000,000	11,321,000,000
Less - Accumulated provision for depreciation	4,206,000,000	4,024,000,000
Total in service, accumulated provision for depreciation	7,249,000,000	7,297,000,000
Construction work in progress	694,000,000	1,063,000,000
Property, plant and equipment held for sale, net	487,000,000	0
Net plant in service	8,430,000,000	8,360,000,000
INVESTMENTS:
Nuclear plant decommissioning trusts	1,184,000,000	1,146,000,000
Investment in associated companies	0	0
Other	10,000,000	12,000,000
Total investments	1,194,000,000	1,158,000,000
DEFERRED CHARGES AND OTHER ASSETS:
Accumulated deferred income taxes	0	0
Customer intangibles	129,000,000	134,000,000
Goodwill	24,000,000	24,000,000
Property taxes	41,000,000	41,000,000
Unamortized sale and leaseback costs	76,000,000	73,000,000
Derivatives	135,000,000	98,000,000
Other	75,000,000	48,000,000
Total deferred charges and other assets	480,000,000	418,000,000
Total assets	12,360,000,000	12,062,000,000
CURRENT LIABILITIES:
Currently payable long-term debt	1,088,000,000	1,132,000,000
Short-term borrowings-
Associated companies	541,000,000	12,000,000
Other	1,000,000	0
Accounts payable-
Associated companies	393,000,000	467,000,000
Other	191,000,000	241,000,000
Derivatives	242,000,000	266,000,000
Other	262,000,000	322,000,000
Total current liabilities	2,718,000,000	2,440,000,000
CAPITALIZATION:
Common stockholder's equity	3,857,000,000	3,788,000,000
Long-term debt and other long-term obligations	3,000,000,000	3,181,000,000
Total capitalization	6,857,000,000	6,969,000,000
NONCURRENT LIABILITIES:
Deferred gain on sale and leaseback	942,000,000	959,000,000
Accumulated deferred income taxes	216,000,000	58,000,000
Asset retirement obligations	875,000,000	892,000,000
Retirement benefits	295,000,000	285,000,000
Lease market valuation liability	194,000,000	217,000,000
Derivatives	85,000,000	81,000,000
Other	178,000,000	161,000,000
Total noncurrent liabilities	2,785,000,000	2,653,000,000
Total liabilities and capitalization	$ 12,360,000,000	$ 12,062,000,000

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Decommission fund to pay for the costs of decontaminating and decommissioning of facilities through collection of revenues derived from utility assessments and government appropriations. Decommission fund investment for the process whereby a power station, at the end of its economic life, is taken permanently out of service and its site made available for other purposes. In the case of a nuclear station this comprises three different states of clearance. Immediately after the final closure, radioactive material such as nuclear fuel and operational waste is removed and the buildings surrounding the reactor shield are dismantled and finally the reactor itself is dismantled.

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