Idaho Power Company Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Regulated Operating Revenue
Electric utility revenues	$ 527,487	$ 509,635	$ 1,425,606	$ 1,351,700
Operating Expenses [Abstract]
Purchased power	114,578	142,851	321,860	405,404
Fuel expense	73,471	71,723	188,411	191,917
Power cost adjustment	20,779	5,899	102,297	4,191
Other operations and maintenance	116,168	95,824	332,900	284,988
Energy efficiency programs	5,283	10,498	16,699	22,265
Depreciation	56,388	50,832	165,133	143,331
Other electric utility operating expenses, net	7,453	6,297	12,482	23,169
Total electric utility operating expenses	394,120	383,924	1,139,782	1,075,265
Operating Income	133,709	126,288	286,575	276,685
Nonoperating (Income) Expense:
Allowance for equity funds used during construction	(15,179)	(11,044)	(39,610)	(32,125)
Earnings of unconsolidated equity-method investments	(1,978)	(4,195)	(3,880)	(9,387)
Interest on long-term debt	35,432	29,361	102,048	82,908
Other interest	6,353	5,572	17,895	14,935
Allowance for borrowed funds used during construction	(7,639)	(4,903)	(20,518)	(14,291)
Other income, net	(13,478)	(7,924)	(40,188)	(24,890)
Total nonoperating expense, net	3,511	6,867	15,747	17,150
Income Before Income Taxes	130,198	119,421	270,828	259,535
Income Tax Expense	16,358	13,774	18,876	29,000
Net Income Attributable to IDACORP, Inc.	113,605	105,264	251,298	229,936
Idaho Power Company
Regulated Operating Revenue
Electric utility revenues	527,487	509,635	1,425,606	1,351,700
Operating Expenses [Abstract]
Purchased power	114,578	142,851	321,860	405,404
Fuel expense	73,471	71,723	188,411	191,917
Power cost adjustment	20,779	5,899	102,297	4,191
Other operations and maintenance	116,168	95,824	332,900	284,988
Energy efficiency programs	5,283	10,498	16,699	22,265
Depreciation	56,388	50,832	165,133	143,331
Other electric utility operating expenses, net	7,453	6,297	12,482	23,169
Total electric utility operating expenses	394,120	383,924	1,139,782	1,075,265
Operating Income	133,367	125,711	285,824	276,435
Nonoperating (Income) Expense:
Allowance for equity funds used during construction	(15,179)	(11,044)	(39,610)	(32,125)
Earnings of unconsolidated equity-method investments	(841)	(3,007)	(1,936)	(7,402)
Interest on long-term debt	35,432	29,361	102,048	82,908
Other interest	6,268	5,491	17,645	14,693
Allowance for borrowed funds used during construction	(7,639)	(4,903)	(20,518)	(14,291)
Other income, net	(12,207)	(7,588)	(37,469)	(23,434)
Total nonoperating expense, net	5,834	8,310	20,160	20,349
Income Before Income Taxes	127,533	117,401	265,664	256,086
Income Tax Expense	16,444	14,379	19,885	30,274
Net Income Attributable to IDACORP, Inc.	$ 111,089	$ 103,022	$ 245,779	$ 225,812