CONSOLIDATED BALANCE SHEETS (USD $)	Dec. 31, 2012		Dec. 31, 2011
Current Assets
Cash and cash equivalents	$ 901,000,000		$ 1,202,000,000
Short-term investments			16,000,000
Restricted cash and cash equivalents	54,000,000		152,000,000
Accounts receivable (less reserve:)
Customer	745,000,000		732,000,000
Other	79,000,000		91,000,000
Unbilled revenues	857,000,000		834,000,000
Fuel, materials and supplies	673,000,000		654,000,000
Prepayments	166,000,000		160,000,000
Price risk management assets	1,525,000,000		2,548,000,000
Regulatory assets	19,000,000		9,000,000
Other current assets	49,000,000		28,000,000
Total Current Assets	5,068,000,000		6,426,000,000
Investments
Nuclear plant decommissioning trust funds	712,000,000		640,000,000
Other investments	47,000,000		78,000,000
Total Investments	759,000,000		718,000,000
Property, Plant and Equipment
Regulated utility plant	25,196,000,000		22,994,000,000
Less: accumulated depreciation - regulated utility plant	4,164,000,000		3,534,000,000
Regulated utility plant, net	21,032,000,000		19,460,000,000
Non-regulated property, plant and equipment
Generation	11,295,000,000		10,514,000,000
Nuclear fuel	524,000,000		457,000,000
Other	726,000,000		637,000,000
Less: accumulated depreciation - non-regulated property, plant and equipment	5,942,000,000		5,676,000,000
Non-regulated property, plant and equipment, net	6,603,000,000		5,932,000,000
Construction work in progress	2,397,000,000		1,874,000,000
Property, Plant and Equipment, net	30,032,000,000	[1]	27,266,000,000	[1]
Other Noncurrent Assets
Regulatory assets	1,483,000,000		1,349,000,000
Goodwill	4,158,000,000		4,114,000,000
Other intangibles	925,000,000	[1]	1,065,000,000	[1]
Price risk management assets	572,000,000		920,000,000
Other noncurrent assets	637,000,000		790,000,000
Total Other Noncurrent Assets	7,775,000,000		8,238,000,000
Total Assets	43,634,000,000		42,648,000,000
Current Liabilities
Short-term debt	652,000,000		578,000,000
Long-term debt due within one year	751,000,000
Accounts payable	1,252,000,000		1,150,000,000
Taxes	90,000,000		65,000,000
Interest	325,000,000		287,000,000
Dividends	210,000,000		207,000,000
Price risk management liabilities	1,065,000,000		1,570,000,000
Regulatory liabilities	61,000,000		73,000,000
Other current liabilities	1,219,000,000		1,325,000,000
Total Current Liabilities	5,625,000,000		5,255,000,000
Long-term Debt	18,725,000,000		17,993,000,000
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes	3,387,000,000		3,326,000,000
Investment tax credits	328,000,000		285,000,000
Price risk management liabilities	629,000,000		840,000,000
Accrued pension obligations	2,076,000,000		1,313,000,000
Asset retirement obligations	536,000,000		484,000,000
Regulatory liabilities	1,010,000,000		1,010,000,000
Other deferred credits and noncurrent liabilities	820,000,000		1,046,000,000
Total Deferred Credits and Other Noncurrent Liabilities	8,786,000,000		8,304,000,000
Commitments and Contingent Liabilities
Equity
Common stock	6,000,000	[2]	6,000,000	[2]
Additional paid-in capital	6,936,000,000		6,813,000,000
Earnings reinvested	5,478,000,000		4,797,000,000
Accumulated other comprehensive loss	(1,940,000,000)		(788,000,000)
Total Stockholders' Equity	10,480,000,000		10,828,000,000
Noncontrolling Interests	18,000,000		268,000,000
Total Equity	10,498,000,000		11,096,000,000
Total Liabilities and Equity	43,634,000,000		42,648,000,000
PPL Energy Supply LLC [Member]
Current Assets
Cash and cash equivalents	413,000,000		379,000,000
Restricted cash and cash equivalents	46,000,000		145,000,000
Accounts receivable (less reserve:)
Customer	183,000,000		169,000,000
Other	31,000,000		31,000,000
Accounts receivable from affiliates	125,000,000		89,000,000
Unbilled revenues	369,000,000		402,000,000
Notes receivable from affiliates			198,000,000
Fuel, materials and supplies	327,000,000		298,000,000
Prepayments	15,000,000		14,000,000
Price risk management assets	1,511,000,000		2,527,000,000
Other current assets	10,000,000		11,000,000
Total Current Assets	3,030,000,000		4,263,000,000
Investments
Nuclear plant decommissioning trust funds	712,000,000		640,000,000
Other investments	41,000,000		40,000,000
Total Investments	753,000,000		680,000,000
Non-regulated property, plant and equipment
Generation	11,305,000,000		10,517,000,000
Nuclear fuel	524,000,000		457,000,000
Other	294,000,000		245,000,000
Less: accumulated depreciation - non-regulated property, plant and equipment	5,817,000,000		5,573,000,000
Non-regulated property, plant and equipment, net	6,306,000,000		5,646,000,000
Construction work in progress	987,000,000		840,000,000
Property, Plant and Equipment, net	7,293,000,000	[1]	6,486,000,000	[1]
Other Noncurrent Assets
Goodwill	86,000,000		86,000,000
Other intangibles	252,000,000	[1]	386,000,000	[1]
Price risk management assets	557,000,000		896,000,000
Other noncurrent assets	404,000,000		382,000,000
Total Other Noncurrent Assets	1,299,000,000		1,750,000,000
Total Assets	12,375,000,000		13,179,000,000
Current Liabilities
Short-term debt	356,000,000		400,000,000
Long-term debt due within one year	751,000,000
Accounts payable	438,000,000		472,000,000
Accounts payable to affiliates	31,000,000		14,000,000
Taxes	62,000,000		90,000,000
Interest	31,000,000		30,000,000
Price risk management liabilities	1,010,000,000		1,560,000,000
Deferred income taxes	158,000,000		315,000,000
Other current liabilities	319,000,000		344,000,000
Total Current Liabilities	3,156,000,000		3,225,000,000
Long-term Debt	2,521,000,000		3,024,000,000
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes	1,232,000,000		1,223,000,000
Investment tax credits	186,000,000		136,000,000
Price risk management liabilities	556,000,000		785,000,000
Accrued pension obligations	293,000,000		214,000,000
Asset retirement obligations	365,000,000		349,000,000
Other deferred credits and noncurrent liabilities	218,000,000		186,000,000
Total Deferred Credits and Other Noncurrent Liabilities	2,850,000,000		2,893,000,000
Commitments and Contingent Liabilities
Equity
Accumulated other comprehensive loss	48,000,000		487,000,000
Member's Equity	3,830,000,000		4,019,000,000
Noncontrolling Interests	18,000,000		18,000,000
Total Equity	3,848,000,000		4,037,000,000
Total Liabilities and Equity	12,375,000,000		13,179,000,000
PPL Electric Utilities Corp [Member]
Current Assets
Cash and cash equivalents	140,000,000		320,000,000
Accounts receivable (less reserve:)
Customer	249,000,000		267,000,000
Other	5,000,000		9,000,000
Accounts receivable from affiliates	29,000,000		35,000,000
Unbilled revenues	110,000,000		102,000,000
Fuel, materials and supplies	39,000,000		42,000,000
Prepayments	76,000,000		78,000,000
Deferred income taxes	45,000,000		25,000,000
Other current assets	4,000,000		5,000,000
Total Current Assets	697,000,000		883,000,000
Property, Plant and Equipment
Regulated utility plant	6,286,000,000		5,830,000,000
Less: accumulated depreciation - regulated utility plant	2,316,000,000		2,217,000,000
Regulated utility plant, net	3,970,000,000		3,613,000,000
Non-regulated property, plant and equipment
Other, net	2,000,000		2,000,000
Construction work in progress	370,000,000		242,000,000
Property, Plant and Equipment, net	4,342,000,000		3,857,000,000
Other Noncurrent Assets
Regulatory assets	853,000,000		729,000,000
Other intangibles	171,000,000		155,000,000
Other noncurrent assets	55,000,000		81,000,000
Total Other Noncurrent Assets	1,079,000,000		965,000,000
Total Assets	6,118,000,000		5,705,000,000
Current Liabilities
Accounts payable	259,000,000		171,000,000
Accounts payable to affiliates	63,000,000		64,000,000
Taxes	12,000,000
Interest	26,000,000		24,000,000
Regulatory liabilities	52,000,000		53,000,000
Customer deposits and prepayments	21,000,000		39,000,000
Vacation	23,000,000		22,000,000
Other current liabilities	49,000,000		47,000,000
Total Current Liabilities	505,000,000		420,000,000
Long-term Debt	1,967,000,000		1,718,000,000
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes	1,233,000,000		1,115,000,000
Investment tax credits	3,000,000		5,000,000
Accrued pension obligations	237,000,000		186,000,000
Regulatory liabilities	8,000,000		7,000,000
Other deferred credits and noncurrent liabilities	103,000,000		129,000,000
Total Deferred Credits and Other Noncurrent Liabilities	1,584,000,000		1,442,000,000
Commitments and Contingent Liabilities
Equity
Preferred securities			250,000,000
Common stock	364,000,000	[3]	364,000,000	[3]
Additional paid-in capital	1,135,000,000		979,000,000
Earnings reinvested	563,000,000		532,000,000
Total Stockholders' Equity	2,062,000,000		2,125,000,000
Total Liabilities and Equity	6,118,000,000		5,705,000,000
LG And E And KU Energy LLC [Member]
Current Assets
Cash and cash equivalents	43,000,000		59,000,000
Accounts receivable (less reserve:)
Customer	133,000,000		129,000,000
Other	19,000,000		20,000,000
Accounts receivable from affiliates	1,000,000
Unbilled revenues	156,000,000		146,000,000
Notes receivable from affiliates			15,000,000
Fuel, materials and supplies	276,000,000		283,000,000
Prepayments	28,000,000		22,000,000
Price risk management assets from affiliates	14,000,000
Income taxes receivable	1,000,000		3,000,000
Deferred income taxes	13,000,000		17,000,000
Regulatory assets	19,000,000		9,000,000
Other current assets	4,000,000		3,000,000
Total Current Assets	707,000,000		706,000,000
Investments
Total Investments	1,000,000		31,000,000
Property, Plant and Equipment
Regulated utility plant	8,073,000,000		7,519,000,000
Less: accumulated depreciation - regulated utility plant	519,000,000		277,000,000
Regulated utility plant, net	7,554,000,000		7,242,000,000
Non-regulated property, plant and equipment
Other, net	3,000,000		2,000,000
Construction work in progress	750,000,000		557,000,000
Property, Plant and Equipment, net	8,307,000,000		7,801,000,000
Other Noncurrent Assets
Regulatory assets	630,000,000		620,000,000
Goodwill	996,000,000		996,000,000
Other intangibles	271,000,000		314,000,000
Other noncurrent assets	107,000,000		108,000,000
Total Other Noncurrent Assets	2,004,000,000		2,038,000,000
Total Assets	11,019,000,000		10,576,000,000
Current Liabilities
Short-term debt	125,000,000
Notes Payable, Related Parties, Current	25,000,000
Accounts payable	283,000,000		224,000,000
Accounts payable to affiliates	1,000,000		2,000,000
Taxes	26,000,000		25,000,000
Interest	21,000,000		23,000,000
Regulatory liabilities	9,000,000		20,000,000
Customer deposits and prepayments	48,000,000		45,000,000
Salaries and benefits	69,000,000		59,000,000
Other current liabilities	36,000,000		35,000,000
Total Current Liabilities	643,000,000		433,000,000
Long-term Debt	4,075,000,000		4,073,000,000
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes	541,000,000		413,000,000
Investment tax credits	138,000,000		144,000,000
Price risk management liabilities	53,000,000		55,000,000
Accrued pension obligations	414,000,000		359,000,000
Asset retirement obligations	125,000,000		116,000,000
Regulatory liabilities	1,002,000,000		1,003,000,000
Other deferred credits and noncurrent liabilities	242,000,000		239,000,000
Total Deferred Credits and Other Noncurrent Liabilities	2,515,000,000		2,329,000,000
Commitments and Contingent Liabilities
Equity
Member's Equity	3,786,000,000		3,741,000,000
Total Liabilities and Equity	11,019,000,000		10,576,000,000
Louisville Gas And Electric Co [Member]
Current Assets
Cash and cash equivalents	22,000,000		25,000,000
Accounts receivable (less reserve:)
Customer	59,000,000		60,000,000
Other	8,000,000		9,000,000
Accounts receivable from affiliates	14,000,000		11,000,000
Unbilled revenues	72,000,000		65,000,000
Fuel, materials and supplies	142,000,000		142,000,000
Prepayments	7,000,000		7,000,000
Price risk management assets from affiliates	7,000,000
Income taxes receivable	8,000,000		4,000,000
Deferred income taxes			2,000,000
Regulatory assets	19,000,000		9,000,000
Other current assets	1,000,000
Total Current Assets	359,000,000		334,000,000
Property, Plant and Equipment
Regulated utility plant	3,187,000,000		2,956,000,000
Less: accumulated depreciation - regulated utility plant	220,000,000		116,000,000
Regulated utility plant, net	2,967,000,000		2,840,000,000
Non-regulated property, plant and equipment
Construction work in progress	259,000,000		215,000,000
Property, Plant and Equipment, net	3,226,000,000		3,055,000,000
Other Noncurrent Assets
Regulatory assets	400,000,000		403,000,000
Goodwill	389,000,000		389,000,000
Other intangibles	144,000,000		166,000,000
Other noncurrent assets	44,000,000		40,000,000
Total Other Noncurrent Assets	977,000,000		998,000,000
Total Assets	4,562,000,000		4,387,000,000
Current Liabilities
Short-term debt	55,000,000
Accounts payable	117,000,000		94,000,000
Accounts payable to affiliates	23,000,000		26,000,000
Taxes	2,000,000		13,000,000
Interest	5,000,000		6,000,000
Regulatory liabilities	4,000,000		10,000,000
Customer deposits and prepayments	23,000,000		22,000,000
Deferred income taxes	4,000,000
Salaries and benefits	18,000,000		14,000,000
Other current liabilities	17,000,000		14,000,000
Total Current Liabilities	268,000,000		199,000,000
Long-term Debt	1,112,000,000		1,112,000,000
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes	544,000,000		475,000,000
Investment tax credits	40,000,000		43,000,000
Price risk management liabilities	53,000,000		55,000,000
Accrued pension obligations	102,000,000		95,000,000
Asset retirement obligations	56,000,000		55,000,000
Regulatory liabilities	471,000,000		478,000,000
Other deferred credits and noncurrent liabilities	106,000,000		113,000,000
Total Deferred Credits and Other Noncurrent Liabilities	1,372,000,000		1,314,000,000
Commitments and Contingent Liabilities
Equity
Common stock	424,000,000	[4]	424,000,000	[4]
Additional paid-in capital	1,278,000,000		1,278,000,000
Earnings reinvested	108,000,000		60,000,000
Total Stockholders' Equity	1,810,000,000		1,762,000,000
Total Liabilities and Equity	4,562,000,000		4,387,000,000
Kentucky Utilities Co [Member]
Current Assets
Cash and cash equivalents	21,000,000		31,000,000
Accounts receivable (less reserve:)
Customer	74,000,000		69,000,000
Other	11,000,000		9,000,000
Accounts receivable from affiliates	7,000,000
Unbilled revenues	84,000,000		81,000,000
Fuel, materials and supplies	134,000,000		141,000,000
Prepayments	10,000,000		7,000,000
Price risk management assets from affiliates	7,000,000
Income taxes receivable	2,000,000		5,000,000
Deferred income taxes	3,000,000		5,000,000
Other current assets	3,000,000		3,000,000
Total Current Assets	356,000,000		351,000,000
Investments
Equity Method Investments			31,000,000
Property, Plant and Equipment
Regulated utility plant	4,886,000,000		4,563,000,000
Less: accumulated depreciation - regulated utility plant	299,000,000		161,000,000
Regulated utility plant, net	4,587,000,000		4,402,000,000
Non-regulated property, plant and equipment
Other, net	1,000,000
Construction work in progress	490,000,000		340,000,000
Property, Plant and Equipment, net	5,078,000,000		4,742,000,000
Other Noncurrent Assets
Regulatory assets	230,000,000		217,000,000
Goodwill	607,000,000		607,000,000
Other intangibles	127,000,000		148,000,000
Other noncurrent assets	57,000,000		60,000,000
Total Other Noncurrent Assets	1,021,000,000		1,032,000,000
Total Assets	6,455,000,000		6,156,000,000
Current Liabilities
Short-term debt	70,000,000
Accounts payable	147,000,000		112,000,000
Accounts payable to affiliates	33,000,000		33,000,000
Taxes	26,000,000		11,000,000
Interest	10,000,000		11,000,000
Regulatory liabilities	5,000,000		10,000,000
Customer deposits and prepayments	25,000,000		23,000,000
Salaries and benefits	17,000,000		15,000,000
Other current liabilities	16,000,000		13,000,000
Total Current Liabilities	349,000,000		228,000,000
Long-term Debt	1,842,000,000		1,842,000,000
Deferred Credits and Other Noncurrent Liabilities
Deferred income taxes	587,000,000		484,000,000
Investment tax credits	98,000,000		101,000,000
Accrued pension obligations	104,000,000		83,000,000
Asset retirement obligations	69,000,000		61,000,000
Regulatory liabilities	531,000,000		525,000,000
Other deferred credits and noncurrent liabilities	92,000,000		87,000,000
Total Deferred Credits and Other Noncurrent Liabilities	1,481,000,000		1,341,000,000
Commitments and Contingent Liabilities
Equity
Common stock	308,000,000	[5]	308,000,000	[5]
Additional paid-in capital	2,348,000,000		2,348,000,000
Earnings reinvested	126,000,000		89,000,000
Accumulated other comprehensive loss	1,000,000
Total Stockholders' Equity	2,783,000,000		2,745,000,000
Total Liabilities and Equity	$ 6,455,000,000		$ 6,156,000,000

[1] At December 31, 2012 and December 31, 2011, includes $428 million and $416 million of PP&E, consisting primarily of "Generation," including leasehold improvements, and $10 million and $11 million of "Other intangibles" from the consolidation of a VIE that is the owner/lessor of the Lower Mt. Bethel plant. See Note 22 for additional information.

[2] 780,000 shares authorized; 581,944 and 578,405 shares issued and outstanding at December 31, 2012 and December 31, 2011.

[3] 170,000 shares authorized; 66,368 shares issued and outstanding at December 31, 2012 and December 31, 2011.

[4] 75,000 shares authorized; 21,294 shares issued and outstanding at December 31, 2012 and December 31, 2011.

[5] 80,000 shares authorized; 37,818 shares issued and outstanding at December 31, 2012 and December 31, 2011.