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Idaho Power Company Consolidated Statements of Retained Earnings - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 2,149,548
Net Income	324,133	$ 289,951	$ 261,893
Ending balance	2,284,911	2,149,548
Idaho Power Company
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	2,096,151	1,991,319	1,836,547
Net Income	315,862	280,605	256,810
Dividends on Common Stock	(188,114)	(175,773)	(102,038)
Ending balance	$ 2,223,899	$ 2,096,151	$ 1,991,319

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