Regulatory Assets and Liabilities (Tables) - Southern California Edison

9 Months Ended

Sep. 30, 2015

Regulatory Assets [Line Items]

Regulatory Assets Included on the Consolidated Balance Sheets

SCE's regulatory assets included on the consolidated balance sheets are:

(in millions)	September 30, 2015		December 31, 2014
Current:
Regulatory balancing accounts	$	287	$	1,088
Energy derivatives	167		159
Other	19		7
Total current	473		1,254
Long-term:
Deferred income taxes, net	3,949		3,405
Pensions and other postretirement benefits	1,206		1,218
Energy derivatives	990		850
Unamortized investments, net	198		255
San Onofre	1,130		1,288
Unamortized loss on reacquired debt	205		201
Regulatory balancing accounts	58		44
Other	385		351
Total long-term	8,121		7,612
Total regulatory assets	$	8,594	$	8,866

Regulatory Liabilities Included on the Consolidated Balance Sheets

SCE's regulatory liabilities included on the consolidated balance sheets are:

(in millions)	September 30, 2015		December 31, 2014
Current:
Regulatory balancing accounts	$	547	$	380
Other	341		21
Total current	888		401
Long-term:
Costs of removal	2,713		2,826
Recoveries in excess of ARO liabilities1	1,393		1,956
Regulatory balancing accounts	1,081		1,083
Other	78		24
Total long-term	5,265		5,889
Total regulatory liabilities	$	6,153	$	6,290

¹ Represents the cumulative differences between ARO expenses and amounts collected in rates primarily for the decommissioning of the SCE's nuclear generation facilities. Decommissioning costs recovered through rates are primarily placed in nuclear decommissioning trusts. This regulatory liability also represents the deferral of realized and unrealized gains and losses on the nuclear decommissioning trust investments. See Note 9.

Schedule of Regulatory Balancing Accounts

The following table summarizes the significant components of regulatory balancing accounts included in the above tables of regulatory assets and liabilities:

(in millions)	September 30, 2015			December 31, 2014
Asset (liability)
Energy resource recovery account	$	(112	)	$	1,028
New system generation balancing account	(71		)	35
Public purpose programs and energy efficiency programs	(754		)	(874		)
Base rate recovery balancing account	(79		)	(5		)
Greenhouse gas auction revenue	(142		)	(182		)
FERC balancing accounts	16			(32		)
Generator settlements	(3		)	(197		)
Other	(138		)	(104		)
Liability	$	(1,283	)	$	(331	)