Regulatory Assets and Liabilities (Tables)

3 Months Ended

Mar. 31, 2015

Regulatory Assets and Liabilities

Schedule of regulatory assets and liabilities

	March 31, 2015		December 31, 2014
Regulatory Assets
Pension and retiree group health	$	244,843	$	245,008
Property-related temporary differences (tax benefits flowed through to ratepayers)	72,350		72,350
Other accrued benefits	32,684		32,959
Net WRAM and MCBA long-term accounts receivable	19,413		14,449
Asset retirement obligations, net	14,169		13,863
Interim rates long-term accounts receivable	8,996		10,627
Tank coating	5,097		—
Health care balancing account	1,875		1,075
Other regulatory assets	1,662		—
Total Regulatory Assets	$	401,089	$	390,331
Regulatory Liabilities
Future tax benefits due ratepayers	$	26,114	$	26,114
Conservation program	3,406		2,669
Pension balancing account	3,170		4,291
Other regulatory liabilities	2,412		3,373
Total Regulatory Liabilities	$	35,102	$	36,447