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



	PPL				PPL Electric
	September 30, 2016		December 31, 2015		September 30, 2016		December 31, 2015
Current Regulatory Assets:
Environmental cost recovery	$	4	$	24	$	—	$	—
Generation formula rate	12		7		—		—
Transmission service charge	8		10		8		10
Other	6		7		4		3
Total current regulatory assets (a)	$	30	$	48	$	12	$	13

Noncurrent Regulatory Assets:
Defined benefit plans	$	791	$	809	$	456	$	469
Taxes recoverable through future rates	333		326		333		326
Storm costs	71		93		19		30
Unamortized loss on debt	62		68		39		42
Interest rate swaps	143		141		—		—
Accumulated cost of removal of utility plant	143		137		143		137
AROs	208		143		—		—
Other	14		16		1		2
Total noncurrent regulatory assets	$	1,765	$	1,733	$	991	$	1,006



Current Regulatory Liabilities:
Generation supply charge	$	22	$	41	$	22	$	41
Demand side management	6		8		—		—
Gas supply clause	—		6		—		—
Universal service rider	10		5		10		5
Transmission formula rate	25		48		25		48
Fuel adjustment clause	14		14		—		—
Act 129 compliance rider	22		—		22		—
Storm damage expense	13		16		13		16
Other	8		7		2		3
Total current regulatory liabilities	$	120	$	145	$	94	$	113

Noncurrent Regulatory Liabilities:
Accumulated cost of removal of utility plant	$	698	$	691	$	—	$	—
Coal contracts (b)	3		17		—		—
Power purchase agreement - OVEC (b)	77		83		—		—
Net deferred tax assets	23		23		—		—
Act 129 compliance rider	—		22		—		22
Defined benefit plans	27		24		—		—
Interest rate swaps	80		82		—		—
Other	3		3		—		—
Total noncurrent regulatory liabilities	$	911	$	945	$	—	$	22



	LKE				LG&E				KU
	September 30, 2016		December 31, 2015		September 30, 2016		December 31, 2015		September 30, 2016		December 31, 2015
Current Regulatory Assets:
Environmental cost recovery	$	4	$	24	$	4	$	13	$	—	$	11
Generation formula rate	12		7		—		—		12		7
Other	2		4		2		3		—		1



	LKE				LG&E				KU
	September 30, 2016		December 31, 2015		September 30, 2016		December 31, 2015		September 30, 2016		December 31, 2015
Total current regulatory assets	$	18	$	35	$	6	$	16	$	12	$	19

Noncurrent Regulatory Assets:
Defined benefit plans	$	335	$	340	$	211	$	215	$	124	$	125
Storm costs	52		63		29		35		23		28
Unamortized loss on debt	23		26		16		17		7		9
Interest rate swaps	143		141		102		98		41		43
AROs	208		143		77		57		131		86
Plant retirement costs	4		6		—		—		4		6
Other	9		8		2		2		7		6
Total noncurrent regulatory assets	$	774	$	727	$	437	$	424	$	337	$	303



Current Regulatory Liabilities:
Demand side management	$	6	$	8	$	4	$	4	$	2	$	4
Gas supply clause	—		6		—		6		—		—
Fuel adjustment clause	14		14		2		2		12		12
Other	6		4		1		1		5		3
Total current regulatory liabilities	$	26	$	32	$	7	$	13	$	19	$	19

Noncurrent Regulatory Liabilities:
Accumulated cost of removal of utility plant	$	698	$	691	$	306	$	301	$	392	$	390
Coal contracts (b)	3		17		1		7		2		10
Power purchase agreement - OVEC (b)	77		83		53		57		24		26
Net deferred tax assets	23		23		23		23		—		—
Defined benefit plans	27		24		—		—		27		24
Interest rate swaps	80		82		40		41		40		41
Other	3		3		1		2		2		1
Total noncurrent regulatory liabilities	$	911	$	923	$	424	$	431	$	487	$	492


(a)	These amounts are included in "Other current assets" on the Balance Sheets.


(b)	These liabilities were recorded as offsets to certain intangible assets that were recorded at fair value upon the acquisition of LKE by PPL.