v3.26.1
Idaho Power Company Consolidated Statements of Income - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Regulated Operating Revenue    
Electric utility revenues $ 402,762 $ 431,952
Operating Expenses [Abstract]    
Purchased power 65,081 74,109
Fuel expense 63,729 69,401
Power cost adjustment (9,293) 47,685
Other operations and maintenance 126,126 113,007
Energy efficiency programs 6,171 5,232
Depreciation and amortization 65,519 59,785
Other operating expenses, net 4,130 7,682
Total electric utility operating expenses 321,463 376,901
Operating Income 81,209 54,929
Nonoperating (Income) Expense:    
Allowance for equity funds used during construction (19,604) (14,441)
Earnings of unconsolidated equity-method investments (746) (717)
Interest on long-term debt and finance leases 47,773 38,168
Other interest 7,352 6,481
Allowance for borrowed funds used during construction (10,972) (7,651)
Other income, net (11,063) (14,106)
Total nonoperating expense, net 12,740 7,734
Income Before Income Taxes 68,469 47,195
Income Tax Expense (Benefit) 411 (12,466)
Net income 68,058 59,661
Idaho Power Company    
Regulated Operating Revenue    
Electric utility revenues 402,762 431,952
Operating Expenses [Abstract]    
Purchased power 65,081 74,109
Fuel expense 63,729 69,401
Power cost adjustment (9,293) 47,685
Other operations and maintenance 126,126 113,007
Energy efficiency programs 6,171 5,232
Depreciation and amortization 65,519 59,785
Other operating expenses, net 4,130 7,682
Total electric utility operating expenses 321,463 376,901
Operating Income 81,299 55,051
Nonoperating (Income) Expense:    
Allowance for equity funds used during construction (19,604) (14,441)
Earnings of unconsolidated equity-method investments (831) (650)
Interest on long-term debt and finance leases 47,773 38,168
Other interest 7,275 6,322
Allowance for borrowed funds used during construction (10,972) (7,651)
Other income, net (9,953) (12,166)
Total nonoperating expense, net 13,688 9,582
Income Before Income Taxes 67,611 45,469
Income Tax Expense (Benefit) 953 (12,658)
Net income $ 66,658 $ 58,127