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Idaho Power Company Consolidated Balance Sheets - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Current Assets:    
Cash and cash equivalents $ 215,718 $ 368,865
Receivables:    
Customer 97,724 114,824
Other 37,764 29,627
Income taxes receivable 8,669 13,932
Accrued unbilled revenues 79,931 97,711
Materials and supplies (at average cost) 201,896 201,064
Fuel stock (at average cost) 24,455 43,656
Prepayments 30,579 29,461
Current regulatory assets 136,665 89,315
Other 3 0
Total current assets 833,404 988,455
Investments 155,002 161,340
Property, Plant and Equipment:    
Utility plant in service 8,249,106 7,957,763
Accumulated provision for depreciation (2,599,465) (2,714,706)
Utility plant in service - net 5,649,641 5,243,057
Construction work in progress 1,740,809 1,244,559
Finance Lease, Right-of-Use Asset, after Accumulated Amortization 219,612 0
Utility plant held for future use 19,781 13,211
Other property, net of accumulated depreciation 18,103 16,491
Property, plant, and equipment - net 7,647,946 6,517,318
Other Assets:    
Company-owned life insurance 105,306 92,062
Regulatory assets 1,427,793 1,418,057
Other 55,986 62,131
Total other assets 1,589,085 1,572,250
Total assets 10,225,437 9,239,363
Current Liabilities:    
Current maturities of long-term debt 116,300 19,885
Accounts payable 344,870 307,133
Taxes accrued 7,532 6,981
Interest accrued 49,547 42,681
Accrued compensation 77,245 70,548
Current regulatory liabilities 21,089 7,523
Advances from customers 201,743 165,229
Other 79,509 80,821
Total current liabilities 897,835 700,801
Other Liabilities:    
Deferred income taxes 802,885 822,231
Regulatory liabilities 1,031,062 976,803
Pension and other postretirement benefits 137,406 165,992
Finance lease liabilities 216,695 0
Other 229,830 181,804
Total other liabilities 2,417,878 2,146,830
Long-term Debt 3,331,038 3,053,777
Commitments and Contingencies
Equity:    
Common stock 1,301,907 1,194,998
Retained earnings 2,284,911 2,149,548
Accumulated Other Comprehensive Income (Loss), Net of Tax (14,944) (13,592)
Total IDACORP, Inc. shareholders’ equity 3,571,874 3,330,954
Total 10,225,437 9,239,363
Idaho Power Company    
Current Assets:    
Cash and cash equivalents 119,111 188,916
Receivables:    
Customer 97,724 114,824
Other 37,108 28,874
Income taxes receivable 1,294 11,811
Accrued unbilled revenues 79,931 97,711
Materials and supplies (at average cost) 201,896 201,064
Fuel stock (at average cost) 24,455 43,656
Prepayments 30,447 29,328
Current regulatory assets 136,665 89,315
Other 3 0
Total current assets 728,634 805,499
Investments 89,103 92,921
Property, Plant and Equipment:    
Utility plant in service 8,249,106 7,957,763
Accumulated provision for depreciation (2,599,465) (2,714,706)
Utility plant in service - net 5,649,641 5,243,057
Construction work in progress 1,740,809 1,244,559
Finance Lease, Right-of-Use Asset, after Accumulated Amortization 219,612 0
Utility plant held for future use 19,781 13,211
Other property, net of accumulated depreciation 6,715 4,858
Property, plant, and equipment - net 7,636,558 6,505,685
Other Assets:    
Company-owned life insurance 105,306 92,062
Regulatory assets 1,427,793 1,418,057
Other 49,502 52,744
Total other assets 1,582,601 1,562,863
Total assets 10,036,896 8,966,968
Current Liabilities:    
Current maturities of long-term debt 116,300 19,885
Accounts payable 342,501 305,248
Taxes accrued 7,532 6,981
Interest accrued 49,547 42,681
Accrued compensation 76,912 70,319
Current regulatory liabilities 21,089 7,523
Advances from customers 201,743 165,229
Other 64,209 61,309
Total current liabilities 883,388 682,578
Other Liabilities:    
Deferred income taxes 800,939 829,446
Regulatory liabilities 1,031,062 976,803
Pension and other postretirement benefits 137,406 165,992
Finance lease liabilities 216,695 0
Other 224,375 167,775
Total other liabilities 2,410,477 2,140,016
Long-term Debt 3,331,038 3,053,777
Commitments and Contingencies
Equity:    
Common stock 97,877 97,877
Premium on capital stock 1,107,258 912,258
Capital stock expense (2,097) (2,097)
Retained earnings 2,223,899 2,096,151
Accumulated Other Comprehensive Income (Loss), Net of Tax (14,944) (13,592)
Total IDACORP, Inc. shareholders’ equity 3,411,993 3,090,597
Total 10,036,896 8,966,968
Idaho Power Company | Subsidiary of Common Parent [Member]    
Current Liabilities:    
Accounts Payable, Other $ 3,555 $ 3,403