Idaho Power Company Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Regulated Operating Revenue
Electric utility revenues	$ 449,819	$ 412,727	$ 898,118	$ 842,065
Operating Expenses [Abstract]
Purchased power	95,383	91,460	207,282	262,554
Fuel expense	22,699	31,113	114,940	120,194
Power cost adjustment	59,156	49,629	81,519	(1,708)
Other operations and maintenance	110,903	97,123	216,733	189,164
Energy efficiency programs	7,126	6,552	11,416	11,767
Depreciation	54,732	47,108	108,745	92,499
Other electric utility operating expenses, net	(2,981)	7,846	5,027	16,871
Total electric utility operating expenses	347,018	330,831	745,662	691,341
Operating Income	103,269	82,294	152,865	150,398
Nonoperating (Income) Expense:
Allowance for equity funds used during construction	(13,279)	(11,173)	(24,431)	(21,081)
Earnings of unconsolidated equity-method investments	(1,277)	(2,739)	(1,902)	(5,192)
Interest on long-term debt	33,308	28,579	66,616	53,547
Other interest	6,075	4,609	11,542	9,363
Allowance for borrowed funds used during construction	(6,920)	(5,161)	(12,879)	(9,389)
Other income, net	(12,545)	(8,816)	(26,710)	(16,964)
Total nonoperating expense, net	5,362	5,299	12,236	10,284
Income Before Income Taxes	97,907	76,995	140,629	140,114
Income Tax Expense	8,063	8,131	2,517	15,226
Net Income	89,844	68,864	138,112	124,888
Idaho Power Company
Regulated Operating Revenue
Electric utility revenues	449,819	412,727	898,118	842,065
Operating Expenses [Abstract]
Purchased power	95,383	91,460	207,282	262,554
Fuel expense	22,699	31,113	114,940	120,194
Power cost adjustment	59,156	49,629	81,519	(1,708)
Other operations and maintenance	110,903	97,123	216,733	189,164
Energy efficiency programs	7,126	6,552	11,416	11,767
Depreciation	54,732	47,108	108,745	92,499
Other electric utility operating expenses, net	(2,981)	7,846	5,027	16,871
Total electric utility operating expenses	347,018	330,831	745,662	691,341
Operating Income	102,801	81,896	152,456	150,724
Nonoperating (Income) Expense:
Allowance for equity funds used during construction	(13,279)	(11,173)	(24,431)	(21,081)
Earnings of unconsolidated equity-method investments	(478)	(1,923)	(1,095)	(4,395)
Interest on long-term debt	33,308	28,579	66,616	53,547
Other interest	5,993	4,529	11,377	9,203
Allowance for borrowed funds used during construction	(6,920)	(5,161)	(12,879)	(9,389)
Other income, net	(11,683)	(8,319)	(25,263)	(15,845)
Total nonoperating expense, net	6,941	6,532	14,325	12,040
Income Before Income Taxes	95,860	75,364	138,131	138,684
Income Tax Expense	8,472	8,284	3,441	15,894
Net Income	$ 87,388	$ 67,080	$ 134,690	$ 122,790