v3.26.1
INCOME TAXES: Level 3 (Tables)
3 Months Ended
Mar. 31, 2026
Income Tax Disclosure [Abstract]  
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
The following table provides a summary of income tax expense (benefit) (in thousands of dollars): 
 IDACORPIdaho Power
Three months ended
March 31,
Three months ended
March 31,
 2026202520262025
Income tax at statutory rates (federal and state)$17,118 $11,809 $16,922 $11,381 
Excess deferred income tax reversal(1,624)(2,431)(1,624)(2,431)
Other(1)
(8,833)(2,594)(8,095)(2,358)
Income tax expense before ADITC$6,661 $6,784 $7,203 $6,592 
Additional ADITC amortization(6,250)(19,250)(6,250)(19,250)
Income tax expense (benefit)$411 $(12,466)$953 $(12,658)
Effective tax rate0.6 %(26.4)%1.4 %(27.8)%
(1) "Other" primarily consists of the net tax effect of Idaho Power's regulatory flow-through tax adjustments.
Supplemental Disclosure of Cash Flow Information

Supplemental cash flow information related to cash (refunded) paid for income taxes is presented below (in thousands of dollars):
Three months ended
March 31,
 20262025
IDACORP
Cash (refunded) paid for income taxes$(6,214)$— 
Idaho Power
Cash paid to IDACORP related to income taxes$— $—