CONSOLIDATED STATEMENTS OF INCOME (USD $) Share data in Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Operating Revenues
Water	$ 69,233,000	$ 66,201,000
Electric	10,734,000	10,813,000
Contracted services	30,585,000	29,878,000
Total operating revenues	110,552,000	106,892,000
Operating Expenses
Water purchased	10,732,000	9,552,000
Power purchased for pumping	1,639,000	1,556,000
Groundwater production assessment	3,187,000	3,323,000
Power purchased for resale	3,680,000	3,191,000
Supply cost balancing accounts	1,371,000	3,437,000
Other operation expenses	5,454,000	7,426,000
Administrative and general expenses	17,907,000	16,829,000
Depreciation and amortization	9,816,000	10,490,000
Maintenance	3,934,000	3,331,000
Property and other taxes	4,148,000	4,105,000
ASUS construction expenses	20,733,000	20,285,000
Net gain on sale of property	(12,000)
Total operating expenses	82,589,000	83,525,000
Operating Income	27,963,000	23,367,000
Other Income and Expenses
Interest expense	(5,778,000)	(6,070,000)
Interest income	187,000	215,000
Other, net	342,000	229,000
Total other income and expenses	(5,249,000)	(5,626,000)
Income from operations before income tax expense	22,714,000	17,741,000
Income tax expense	9,249,000	7,626,000
Net Income	13,465,000	10,115,000
Weighted Average Number of Common Shares Outstanding (in shares)	19,265	18,831
Basic Earnings Per Common Share (in dollars per share)	$ 0.69	$ 0.53
Weighted Average Number of Diluted Shares (in shares)	19,311	18,973
Fully Diluted Earnings Per Common Share (in dollars per share)	$ 0.69	$ 0.53
Dividends Declared Per Common Share (in dollars per share)	$ 0.355	$ 0.280
GOLDEN STATE WATER COMPANY
Operating Revenues
Water	69,233,000	66,201,000
Electric	10,734,000	10,813,000
Total operating revenues	79,967,000	77,014,000
Operating Expenses
Water purchased	10,732,000	9,552,000
Power purchased for pumping	1,639,000	1,556,000
Groundwater production assessment	3,187,000	3,323,000
Power purchased for resale	3,680,000	3,191,000
Supply cost balancing accounts	1,371,000	3,437,000
Other operation expenses	4,797,000	6,649,000
Administrative and general expenses	14,234,000	13,696,000
Depreciation and amortization	9,522,000	10,220,000
Maintenance	3,493,000	2,940,000
Property and other taxes	3,716,000	3,743,000
Total operating expenses	56,371,000	58,307,000
Operating Income	23,596,000	18,707,000
Other Income and Expenses
Interest expense	(5,748,000)	(6,009,000)
Interest income	178,000	210,000
Other, net	342,000	229,000
Total other income and expenses	(5,228,000)	(5,570,000)
Income from operations before income tax expense	18,368,000	13,137,000
Income tax expense	7,663,000	5,755,000
Net Income	$ 10,705,000	$ 7,382,000