Utility Rate Regulation (Tables)

3 Months Ended

Mar. 31, 2012

Utility Rate Regulation [Abstract]

Regulatory Assets

The following table provides information about the regulatory assets and liabilities of cost-based rate regulated utility operations.

		PPL				PPL Electric
		March 31,		December 31,		March 31,		December 31,
		2012		2011		2012		2011
Current Regulatory Assets:
	Gas supply clause	$	7	$	6
	Fuel adjustment clause		8		3
Total current regulatory assets		$	15	$	9
Noncurrent Regulatory Assets:
	Defined benefit plans	$	605	$	615	$	273	$	276
	Taxes recoverable through future rates		293		289		293		289
	Storm costs		149		154		30		31
	Unamortized loss on debt		106		110		74		77
	Interest rate swaps		62		69
	Accumulated cost of removal of utility plant		59		53		59		53
	Coal contracts (a)		9		11
	AROs		21		18
	Other		30		30		2		3
Total noncurrent regulatory assets		$	1,334	$	1,349	$	731	$	729

(a)       These regulatory assets and liabilities were recorded as offsets to certain intangible assets and liabilities that were recorded at fair value upon the acquisition of LKE.

Regulatory Liabilities

The following table provides information about the regulatory assets and liabilities of cost-based rate regulated utility operations.

Current Regulatory Liabilities:
	Generation supply charge	$	35	$	42	$	35	$	42
	ECR		9		7
	Gas supply clause		6		6
	Transmission service charge		5		2		5		2
	Transmission formula rate		7				7
	Other		12		16		6		9
Total current regulatory liabilities		$	74	$	73	$	53	$	53
Noncurrent Regulatory Liabilities:
	Accumulated cost of removal of utility plant	$	658	$	651
	Coal contracts (a)		170		180
	Power purchase agreement - OVEC (a)		114		116
	Net deferred tax assets		38		39
	Act 129 compliance rider		12		7	$	12	$	7
	Defined benefit plans		9		9
	Other		8		8
Total noncurrent regulatory liabilities		$	1,009	$	1,010	$	12	$	7

(a)       These regulatory assets and liabilities were recorded as offsets to certain intangible assets and liabilities that were recorded at fair value upon the acquisition of LKE.