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Consolidated Statements of Income Statement - USD ($)
shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Operating Revenues:      
Electric utility revenues $ 1,762,894 $ 1,641,040 $ 1,455,410
Other operating revenues 3,462 2,941 2,674
Revenues 1,766,356 1,643,981 1,458,084
Operating Expenses:      
Purchased power 501,531 544,345 393,691
Fuel expense 275,405 230,210 180,550
Power cost adjustment 6,885 (100,659) (49,844)
Other operations and maintenance 399,855 399,375 361,297
Energy efficiency programs 31,948 33,197 29,920
Depreciation 195,341 170,077 175,555
Other electric utility operating expenses 38,550 37,325 34,673
Total electric utility expenses 1,449,515 1,313,870 1,125,842
Other 3,364 2,933 2,591
Operating expenses 1,452,879 1,316,803 1,128,433
Operating income 313,477 327,178 329,651
Nonoperating (Income) Expense:      
Allowance for equity funds used during construction (43,221) (37,285) (31,537)
Earnings of unconsolidated equity-method investments (12,426) (11,511) (11,435)
Interest on long-term debt 116,216 87,259 84,145
Other interest 20,253 16,030 14,546
Allowance for borrowed funds used during construction (20,012) (13,914) (11,993)
Other (income) expense, net (36,522) (10,805) 3,141
Total nonoperating expense, net 24,288 29,774 46,867
Income before income taxes 289,189 297,404 282,784
Income Tax Expense 27,296 37,844 36,912
Net Income 261,893 259,560 245,872
Adjustment for income attributable to noncontrolling interests (698) (578) (322)
Net Income Attributable to IDACORP, Inc. $ 261,195 $ 258,982 $ 245,550
Weighted Average Common Shares Outstanding - Basic (000’s) (in shares) 50,717 50,658 50,599
Weighted Average Common Shares Outstanding - Diluted (000’s) (in shares) 50,806 50,699 50,645
Earnings Per Share of Common Stock:      
Earnings Attributable to IDACORP, Inc. - Basic (in dollars per share) $ 5.15 $ 5.11 $ 4.85
Earnings Attributable to IDACORP, Inc. - Diluted (in dollars per share) $ 5.14 $ 5.11 $ 4.85