CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment
Regulated utility plant, at cost	$ 1,367,474	$ 1,351,086
Non utility property, at cost	9,329	9,021
Total	1,376,803	1,360,107
Less - Accumulated depreciation	(447,265)	(442,316)
Net property, plant and equipment	929,538	917,791
Other Property and Investments
Goodwill	1,116	1,116
Other property and investments	13,835	13,755
Total other property and investments	14,951	14,871
Current Assets
Cash and cash equivalents	32,794	23,486
Accounts receivable - customers, less allowance for doubtful accounts	17,315	19,491
Unbilled revenue	14,522	16,147
Receivable from the U.S. government, less allowance for doubtful accounts	5,377	12,905
Other accounts receivable, less allowance for doubtful accounts	5,467	7,062
Income taxes receivable	1,675	16,547
Materials and supplies, at average cost	7,210	5,348
Regulatory assets - current	34,376	32,336
Prepayments and other current assets	4,251	4,391
Costs and estimated earnings in excess of billings on uncompleted contracts	42,154	37,703
Deferred income taxes - current	8,731	8,617
Total current assets	173,872	184,033
Regulatory and Other Assets
Regulatory assets	150,853	143,679
Costs and estimated earnings in excess of billings on uncompleted contracts	1,065	436
Receivable from the U.S. government, less allowance for doubtful accounts	3,812	4,535
Deferred income taxes	11	11
Other	15,412	15,587
Total regulatory and other assets	171,153	164,248
Total Assets	1,289,514	1,280,943
Capitalization
Common shares, no par value	249,874	249,322
Earnings reinvested in the business	211,847	205,257
Total common shareholders' equity	461,721	454,579
Long-term debt	332,446	332,463
Total capitalization	794,167	787,042
Current Liabilities
Long-term debt - current	3,383	3,328
Accounts payable	46,605	40,569
Income taxes payable	750	511
Accrued other taxes	4,125	8,167
Accrued employee expenses	10,952	9,919
Accrued interest	6,240	3,909
Unrealized loss on purchased power contracts	1,540	3,060
Billings in excess of costs and estimated earnings on uncompleted contracts	2,702	12,572
Other	13,547	11,662
Total current liabilities	89,844	93,697
Other Credits
Advances for construction	70,580	70,781
Contributions in aid of construction - net	109,923	106,450
Deferred income taxes	142,598	142,597
Unamortized investment tax credits	1,859	1,881
Accrued pension and other postretirement benefits	73,718	71,618
Other	6,825	6,877
Total other credits	405,503	400,204
Commitments and Contingencies (Note 8)
Total Capitalization and Liabilities	1,289,514	1,280,943
GOLDEN STATE WATER COMPANY
Property, Plant and Equipment
Total	1,367,474	1,351,086
Less - Accumulated depreciation	(442,648)	(437,949)
Net property, plant and equipment	924,826	913,137
Other Property and Investments
Total other property and investments	11,673	11,590
Current Assets
Cash and cash equivalents	32,135	22,578
Accounts receivable - customers, less allowance for doubtful accounts	17,315	19,491
Unbilled revenue	14,522	16,147
Inter-company receivable	5,330	2,508
Other accounts receivable, less allowance for doubtful accounts	3,926	6,377
Income taxes receivable from Parent	2,788	16,442
Materials and supplies, at average cost	2,324	2,244
Regulatory assets - current	34,376	32,336
Prepayments and other current assets	3,618	4,162
Deferred income taxes - current	7,682	7,577
Total current assets	124,016	129,862
Regulatory and Other Assets
Regulatory assets	150,853	143,679
Other accounts receivable	1,445	1,445
Other	14,153	14,339
Total regulatory and other assets	166,451	159,463
Total Assets	1,226,966	1,214,052
Capitalization
Common shares, no par value	231,309	231,480
Earnings reinvested in the business	188,648	184,777
Total common shareholders' equity	419,957	416,257
Long-term debt	332,446	332,463
Total capitalization	752,403	748,720
Current Liabilities
Long-term debt - current	3,383	3,328
Accounts payable	31,829	27,292
Accrued other taxes	3,628	7,720
Accrued employee expenses	9,552	8,786
Accrued interest	6,240	3,909
Unrealized loss on purchased power contracts	1,540	3,060
Other	13,462	11,606
Total current liabilities	69,634	65,701
Other Credits
Advances for construction	70,580	70,781
Contributions in aid of construction - net	109,923	106,450
Deferred income taxes	142,083	142,082
Unamortized investment tax credits	1,859	1,881
Accrued pension and other postretirement benefits	73,718	71,618
Other	6,766	6,819
Total other credits	404,929	399,631
Commitments and Contingencies (Note 8)
Total Capitalization and Liabilities	$ 1,226,966	$ 1,214,052