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REVENUES:
 6 Months Ended
Jun. 30, 2026
Revenues [Abstract]  
REVENUES: REVENUES
 
The following table provides a summary of electric utility operating revenues for IDACORP and Idaho Power (in thousands of dollars):
Three months ended
June 30,		Six months ended
June 30,
 2026202520262025
Revenue from contracts with customers$468,250 $449,313 $851,865 $860,456 
Alternative revenue programs and other revenues423 359 19,570 21,169 
Total electric utility operating revenues$468,673 $449,672 $871,435 $881,625 
Revenues from Contracts with Customers

The following table presents revenues from contracts with customers disaggregated by revenue source (in thousands of dollars):
Three months ended
June 30,		Six months ended
June 30,
 2026202520262025
Retail revenues:
Residential (includes $(153), $(2,876), $16,484, and $(5,069), respectively, related to the FCA)(1)
$168,764 $149,355 $372,360 $340,060 
Commercial (includes $(10), $(36), $196, and $(80), respectively, related to the FCA)(1)
98,773 94,652 195,429 192,504 
Industrial76,081 64,840 145,684 133,446 
Irrigation97,306 92,370 99,247 93,482 
Deferred revenue related to HCC relicensing AFUDC(2)
(8,521)(1,930)(17,635)(3,993)
Total retail revenues432,403 399,287 795,085 755,499 
Less: FCA mechanism revenues(1)
163 2,912 (16,680)5,149 
Wholesale energy sales3,559 15,376 8,371 34,924 
Transmission wheeling-related revenues15,547 16,325 32,871 35,768 
Energy efficiency program revenues6,110 6,115 12,282 11,348 
Other revenues from contracts with customers10,468 9,298 19,936 17,768 
Total revenues from contracts with customers$468,250 $449,313 $851,865 $860,456 
(1) The FCA mechanism is an alternative revenue program in the Idaho jurisdiction and does not represent revenue from contracts with customers.
(2) The IPUC allows Idaho Power to recover a portion of the AFUDC on construction work in progress related to the HCC relicensing process in its Idaho jurisdiction, even though the relicensing process is not yet complete and the costs have not been moved to utility plant in service. Effective October 1, 2025, Idaho Power began collecting $38.5 million annually. Prior to October 1, 2025, Idaho Power collected $8.8 million annually. For more information refer to Note 3 - "Regulatory Matters" to the consolidated financial statements included in the 2025 Annual Report. Amounts collected in the Idaho jurisdiction are recognized as deferred revenue until the license is issued and the accumulated license costs approved for recovery are placed in service.

Alternative Revenue Programs and Other Revenues

While revenues from contracts with customers make up most of Idaho Power’s revenues, the IPUC has authorized the use of an additional regulatory mechanism, the FCA mechanism, which may increase or decrease tariff-based retail customer rates. The FCA mechanism is described in Note 3 - "Regulatory Matters." The FCA mechanism revenues include only the initial recognition of FCA revenues when they meet the regulator-specified conditions for recognition. Revenue from contracts with customers excludes the portion of the tariff price representing FCA revenues that Idaho Power initially recorded in prior periods when revenues met regulator-specified conditions. When Idaho Power includes those amounts in the price of utility service and billed to customers, Idaho Power records such amounts as recovery of the associated regulatory asset or liability and not as revenues.

Derivative revenues include gains from settled electricity swaps and sales of electricity under forward sales contracts that are bundled with renewable energy credits. Related to these forward sales, Idaho Power simultaneously enters into forward purchases of electricity for the same quantity at the same location, which are recorded in purchased power on the condensed consolidated statements of income. For more information on settled electricity swaps, see Note 11 - "Derivative Financial Instruments."

The table below presents the FCA mechanism revenues and other revenues (in thousands of dollars):
Three months ended
June 30,		Six months ended
June 30,
 2026202520262025
FCA mechanism revenues$(163)$(2,912)$16,680 $(5,149)
Derivative revenues586 3,271 2,890 26,318 
Total alternative revenue programs and other revenues$423 $359 $19,570 $21,169 
Receivables and Allowance for Uncollectible Accounts

The following table provides a rollforward of the allowance for uncollectible accounts related to customer receivables (in thousands of dollars):
Six months ended
June 30,
 20262025
Balance at beginning of period$3,788 $5,071 
Additions to the allowance1,008 1,431 
Write-offs, net of recoveries(1,265)(1,920)
Balance at end of period$3,531 $4,582 
Allowance for uncollectible accounts as a percentage of customer receivables3.1 %3.5 %