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REVENUES: Electric utility operating revenues (Tables)
 12 Months Ended
Dec. 31, 2023
Electric utility operating revenues [Line Items]  
Electric utility operating revenues
The following table provides a summary of electric utility operating revenues for IDACORP and Idaho Power (in thousands):
Year Ended December 31,
 202320222021
Electric utility operating revenues:
Revenue from contracts with customers$1,639,612 $1,557,974 $1,382,653 
Alternative revenue programs and derivative revenues123,282 83,066 72,757 
Total electric utility operating revenues$1,762,894 $1,641,040 $1,455,410 
Disaggregation of Revenue
Revenues from contracts with customers are primarily related to Idaho Power’s regulated tariff-based sales of energy or related services. Generally, tariff-based sales do not involve a written contract, but are classified as revenues from contracts with customers. Idaho Power assesses revenues on a contract-by-contract basis to determine the nature, amount, timing, and uncertainty, if any, of revenues being recognized.
The following table presents revenues from contracts with customers disaggregated by revenue source (in thousands):

Year Ended December 31,
 202320222021
Revenues from contracts with customers:
Retail revenues:
 Residential (includes $37,233, $22,595, and $34,835, respectively, related to the FCA(1))
$684,649 $645,236 $583,061 
 Commercial (includes $1,338, $922, and $1,407, respectively, related to the FCA(1))
378,330 347,970 314,745 
Industrial244,538 217,368 195,214 
Irrigation173,929 170,964 168,664 
Provision for sharing— — (569)
Deferred revenue related to HCC relicensing AFUDC(2)
(8,780)(8,780)(8,780)
Total retail revenues1,472,666 1,372,758 1,252,335 
Less: FCA mechanism revenues(1)
(38,571)(23,517)(36,242)
Wholesale energy sales63,421 66,519 40,839 
Transmission wheeling-related revenues80,357 80,527 67,997 
Energy efficiency program revenues31,948 33,197 29,920 
Other revenues from contracts with customers29,791 28,490 27,804 
Total revenues from contracts with customers$1,639,612 $1,557,974 $1,382,653 
(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, even though the relicensing process is not yet complete and the costs have not been moved to electric plant in service. Idaho Power is collecting $8.8 million annually in the Idaho jurisdiction but is deferring revenue recognition of the amounts collected until the license is issued and the accumulated license costs approved for recovery are placed in service.
Alternative revenue programs and other revenues
The table below presents the FCA mechanism revenues and derivative revenues (in thousands):
Year Ended December 31,
 202320222021
Alternative revenue programs and derivative revenues:
FCA mechanism revenues$38,571 $23,517 $36,242 
Derivative revenues84,711 59,549 36,515 
Total alternative revenue programs and derivative revenues$123,282 $83,066 $72,757