Condensed Consolidated Balance Sheets Statement (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current Assets:
Cash and cash equivalents	$ 14,374	$ 27,813
Receivables:
Customer	62,814	66,296
Other	15,612	8,197
Income taxes receivable	743	421
Accrued unbilled revenues	60,246	46,441
Materials and supplies (at average cost)	48,354	46,490
Fuel stock (at average cost)	59,204	47,865
Prepayments	13,506	12,405
Deferred income taxes	46,627	16,159
Current regulatory assets	33,975	34,279
Other	2,629	4,606
Total current assets	358,084	310,972
Investments	198,083	199,931
Property, Plant and Equipment:
Utility plant in service	4,843,874	4,466,873
Accumulated provision for depreciation	(1,676,814)	(1,677,609)
Utility plant in service - net	3,167,060	2,789,264
Construction work in progress	280,150	591,475
Utility plant held for future use	7,107	6,974
Other property, net of accumulated depreciation	18,708	18,877
Property, plant and equipment - net	3,473,025	3,406,590
Other Assets:
American Falls and Milner water rights	18,430	20,015
Company-owned life insurance	23,313	24,060
Regulatory assets	979,277	953,068
Long-term receivables	5,621	5,621
Other	47,170	40,352
Total other assets	1,073,811	1,043,116
Total	5,103,003	4,960,609
Current Liabilities:
Current maturities of long-term debt	1,064	101,064
Notes payable	64,700	54,200
Accounts payable	92,024	100,432
Income taxes accrued	5,513	505
Interest accrued	22,095	21,797
Current regulatory liabilities	49,964	29,738
Other	61,275	60,511
Total current liabilities	296,635	368,247
Other Liabilities:
Deferred income taxes	832,647	772,047
Regulatory liabilities	333,786	332,057
Pension and other postretirement benefits	341,913	363,209
Other	65,117	75,805
Total other liabilities	1,573,463	1,543,118
Long-Term Debt	1,536,514	1,387,550
Commitments and Contingencies
Equity:
Common stock	834,547	828,389
Retained earnings	868,066	840,916
Accumulated other comprehensive loss	(10,266)	(11,622)
Treasury stock	(21)	(29)
Total IDACORP, Inc. shareholders’ equity	1,692,326	1,657,654
Noncontrolling interests	4,065	4,040
Total equity	1,696,391	1,661,694
Total	5,103,003	4,960,609
Idaho Power Company
Current Assets:
Cash and cash equivalents	6,227	19,316
Receivables:
Customer	62,814	66,296
Other	15,259	8,011
Income taxes receivable	27,289	4,644
Accrued unbilled revenues	60,246	46,441
Materials and supplies (at average cost)	48,354	46,490
Fuel stock (at average cost)	59,204	47,865
Prepayments	13,331	12,274
Deferred income taxes	17,257	14,099
Current regulatory assets	33,975	34,279
Other	2,629	4,606
Total current assets	346,585	304,321
Property, Plant and Equipment:
Utility plant in service	4,843,874	4,466,873
Accumulated provision for depreciation	(1,676,814)	(1,677,609)
Utility plant in service - net	3,167,060	2,789,264
Construction work in progress	280,150	591,475
Utility plant held for future use	7,107	6,974
Property, plant and equipment - net	3,454,317	3,387,713
Investments and Other Property	131,098	128,674
Other Assets:
American Falls and Milner water rights	18,430	20,015
Company-owned life insurance	23,313	24,060
Regulatory assets	979,277	953,068
Other	45,887	38,988
Total other assets	1,066,907	1,036,131
Total	4,998,907	4,856,839
Current Liabilities:
Current maturities of long-term debt	1,064	101,064
Notes payable	10,000	0
Accounts payable	91,573	99,716
Accounts payable to affiliates	1,646	1,512
Interest accrued	22,095	21,797
Current regulatory liabilities	49,964	29,738
Other	60,746	59,785
Total current liabilities	237,088	313,612
Other Liabilities:
Deferred income taxes	926,473	863,044
Regulatory liabilities	333,786	332,057
Pension and other postretirement benefits	341,913	363,209
Other	62,641	73,147
Total other liabilities	1,664,813	1,631,457
Long-Term Debt	1,536,514	1,387,550
Commitments and Contingencies
Equity:
Common stock	97,877	97,877
Premium on capital stock	712,257	704,758
Capital stock expense	(2,097)	(2,097)
Retained earnings	762,721	735,304
Accumulated other comprehensive loss	(10,266)	(11,622)
Total equity	1,560,492	1,524,220
Total capitalization	3,097,006	2,911,770
Total	$ 4,998,907	$ 4,856,839