COMMON STOCK: Level 4 (Details)
$ / shares in Units, $ in Thousands |
|
3 Months Ended |
9 Months Ended |
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Oct. 15, 2026
USD ($)
$ / shares
shares
|
Sep. 30, 2026
USD ($)
$ / shares
shares
|
Sep. 30, 2025
shares
|
Oct. 15, 2026
USD ($)
$ / shares
shares
|
Sep. 30, 2026
USD ($)
$ / shares
shares
|
Sep. 30, 2025
shares
|
| Idaho Power Company |
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| Shareholders' equity |
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| Proceeds from Contributed Capital | $ |
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$ 186,800
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$ 376,800
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| Ratio of Indebtedness to Net Capital |
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0.51
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0.51
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| Dividend Distribution Restriction Amount | $ |
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$ 1,700,000
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$ 1,700,000
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| Dividend Distribution Restriction Threshold |
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0.35
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0.35
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| Ratio of total Capital to total capital and long-term debt |
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0.49
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0.49
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| Preferred Stock, Shares Outstanding |
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0
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0
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| IDACORP |
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| Shareholders' equity |
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| Stock Issued During Period, Shares, New Issues |
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2,996,285
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| Incremental Common Shares Attributable to Dilutive Effect of Equity Forward Agreements |
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758,000
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744,000
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1,074,000
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311,000
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| Maximum leverage ratio requirement |
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0.65
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0.65
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| Ratio of Indebtedness to Net Capital |
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0.51
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0.51
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| Dividend Distribution Restriction Amount | $ |
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$ 1,800,000
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$ 1,800,000
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| IDACORP | Performance Shares |
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| Shareholders' equity |
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| Stock Issued During Period, Shares, New Issues |
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55,032
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| Restricted Stock Unit Awards to Employees |
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71,855
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| IDACORP | Directors |
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| Shareholders' equity |
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| Stock Issued During Period, Shares, New Issues |
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31,837
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| IDACORP | Dividend Reinvestment and Stock Purchase Plan |
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| Shareholders' equity |
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| Stock Issued During Period, Shares, New Issues |
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31,323
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| IDACORP | Employee Savings Plan |
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| Shareholders' equity |
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| Stock Issued During Period, Shares, New Issues |
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3,226
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| IDACORP | At-the-Market Offering Program (2024 Series) |
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| Shareholders' equity |
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| At-the-Market Offering Program, Maximum Value Of Shares To Be Issued, Gross Sales Price | $ |
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$ 300,000
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| Common Shares Delivered To Settle Forward Sales Agreement, Gross |
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452,256
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| Cash Received On Settlement Of Forward Sale Agreement | $ |
[1] |
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$ 51,729
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| Forward Sale Price, Per Share, Settled | $ / shares |
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$ 114.38
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| IDACORP | At-the-Market Offering Program (2026 Series) |
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| Shareholders' equity |
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| At-the-Market Offering Program, Maximum Value Of Shares To Be Issued, Gross Sales Price | $ |
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$ 600,000
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| At-the-Market Offering Program, Remaining Value Of Shares Available for Issuance, Gross Sales Price | $ |
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66,500
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$ 66,500
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| IDACORP | At-the-Market Offering Programs (2024 & 2026 Series) |
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| Shareholders' equity |
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| At-the-Market Offering Program, Initial Common Shares Offered |
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4,926,437
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| At-the-Market Offering Program, Executed Amount | $ |
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$ 689,000
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| At-the-Market Offering Program, Commission and Fees Amount | $ |
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7,000
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| Cash To Be Received On Settlement Of Forward Sale Agreement | $ |
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$ 684,473
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$ 684,473
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| Forward Sale Price, Price Per Share | $ / shares |
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$ 138.94
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$ 138.94
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| Cash To Deliver To Settle Forward Sales Agreement, Net | $ |
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$ 3,300
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$ 3,300
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| Common Shares To Deliver To Settle Forward Sales Agreement, Net |
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26,319
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26,319
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| Common Shares To Deliver To Settle Forward Sales Agreement, Gross |
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4,926,437
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4,926,437
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| IDACORP | ATM Forward Sale Agreements Maturity 3/31/27 |
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| Shareholders' equity |
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| Cash To Be Received On Settlement Of Forward Sale Agreement | $ |
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$ 74,183
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$ 74,183
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| Forward Sale Price, Price Per Share | $ / shares |
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$ 139.97
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$ 139.97
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| Common Shares To Deliver To Settle Forward Sales Agreement, Gross |
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530,000
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530,000
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| IDACORP | ATM Forward Sale Agreements Maturity 3/31/27 1 [Member] |
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| Shareholders' equity |
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| Cash To Be Received On Settlement Of Forward Sale Agreement | $ |
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$ 34,802
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$ 34,802
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| Forward Sale Price, Price Per Share | $ / shares |
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$ 141.57
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$ 141.57
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| Common Shares To Deliver To Settle Forward Sales Agreement, Gross |
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245,830
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245,830
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| IDACORP | ATM Forward Sale Agreements Maturity 3/31/27 2 |
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| Shareholders' equity |
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| Cash To Be Received On Settlement Of Forward Sale Agreement | $ |
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$ 45,072
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$ 45,072
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| Forward Sale Price, Price Per Share | $ / shares |
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$ 138.44
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$ 138.44
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| Common Shares To Deliver To Settle Forward Sales Agreement, Gross |
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325,561
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325,561
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| IDACORP | ATM Forward Sale Agreements Maturity 5/28/27 |
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| Shareholders' equity |
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| Cash To Be Received On Settlement Of Forward Sale Agreement | $ |
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$ 74,567
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$ 74,567
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| Forward Sale Price, Price Per Share | $ / shares |
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$ 139.61
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$ 139.61
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| Common Shares To Deliver To Settle Forward Sales Agreement, Gross |
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534,111
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534,111
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| IDACORP | ATM Forward Sale Agreements Maturity 5/28/27 1 |
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| Shareholders' equity |
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| Cash To Be Received On Settlement Of Forward Sale Agreement | $ |
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$ 74,030
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$ 74,030
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| Forward Sale Price, Price Per Share | $ / shares |
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$ 139.68
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$ 139.68
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| Common Shares To Deliver To Settle Forward Sales Agreement, Gross |
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530,000
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530,000
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| IDACORP | ATM Forward Sale Agreements Maturity 12/3/27 |
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| Shareholders' equity |
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| Cash To Be Received On Settlement Of Forward Sale Agreement | $ |
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$ 112,556
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$ 112,556
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| Forward Sale Price, Price Per Share | $ / shares |
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$ 135.61
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$ 135.61
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| Common Shares To Deliver To Settle Forward Sales Agreement, Gross |
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830,000
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830,000
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| IDACORP | ATM Forward Sale Agreements Maturity 2/29/2028 |
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| Shareholders' equity |
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| Cash To Be Received On Settlement Of Forward Sale Agreement | $ |
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$ 19,865
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$ 19,865
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| Forward Sale Price, Price Per Share | $ / shares |
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$ 140.45
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$ 140.45
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| Common Shares To Deliver To Settle Forward Sales Agreement, Gross |
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141,446
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141,446
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| IDACORP | ATM Forward Sale Agreements Maturity 2/29/2028 1 |
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| Shareholders' equity |
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| Cash To Be Received On Settlement Of Forward Sale Agreement | $ |
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$ 124,222
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$ 124,222
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| Forward Sale Price, Price Per Share | $ / shares |
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$ 139.66
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$ 139.66
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| Common Shares To Deliver To Settle Forward Sales Agreement, Gross |
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889,489
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889,489
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| IDACORP | ATM Forward Sale Agreements Maturity 2/29/2028 2 |
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| Shareholders' equity |
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| Cash To Be Received On Settlement Of Forward Sale Agreement | $ |
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$ 125,176
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$ 125,176
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| Forward Sale Price, Price Per Share | $ / shares |
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$ 139.08
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$ 139.08
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| Common Shares To Deliver To Settle Forward Sales Agreement, Gross |
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900,000
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900,000
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| IDACORP | ATM Forward Sale Agreements Maturity 3/31/26 |
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| Shareholders' equity |
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| Common Shares Delivered To Settle Forward Sales Agreement, Gross |
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198,086
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| Cash Received On Settlement Of Forward Sale Agreement | $ |
[1] |
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$ 22,777
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| Forward Sale Price, Per Share, Settled | $ / shares |
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$ 114.99
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| IDACORP | ATM Forward Sale Agreements Maturity 3/31/26 1 |
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| Shareholders' equity |
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|
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| Common Shares Delivered To Settle Forward Sales Agreement, Gross |
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254,170
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| Cash Received On Settlement Of Forward Sale Agreement | $ |
[1] |
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$ 28,952
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| Forward Sale Price, Per Share, Settled | $ / shares |
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$ 113.91
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| IDACORP | Forward Sale Agreements (2025 Series) |
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| Shareholders' equity |
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| Registered Public Offering, Initial Common Shares Offered |
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4,504,505
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| Registered Public Offering, Executed Amount | $ |
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$ 500,000
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| Cash To Be Received On Settlement Of Forward Sale Agreement | $ |
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$ 297,700
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297,700
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| Cash To Deliver To Settle Forward Sales Agreement, Net | $ |
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$ 89,200
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$ 89,200
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| Common Shares To Deliver To Settle Forward Sales Agreement, Net |
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634,702
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634,702
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| Registered Public Offering, Price Per Share | $ / shares |
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$ 111.00
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| Registered Public Offering, Initial Common Shares Offered, Greenshoe |
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675,675
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| Registered Public Offering, Executed Amount, Greenshoe | $ |
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$ 75,000
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| Registered Public Offering, Initial Common Shares Offered, Total |
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5,180,180
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| Initial Forward Sale Price, Per Share | $ / shares |
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$ 107.67
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| Common Shares To Deliver To Settle Forward Sales Agreement, Gross |
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2,757,569
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2,757,569
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| IDACORP | Forward Sale Agreements (2025 Series) | Subsequent Event |
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| Shareholders' equity |
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|
|
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| Common Shares Delivered To Settle Forward Sales Agreement, Gross |
|
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3,453,454
|
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| Cash Received On Settlement Of Forward Sale Agreement | $ |
[2] |
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$ 373,218
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| Forward Sale Price, Per Share, Settled | $ / shares |
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$ 108.07
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| IDACORP | Forward Sale Agreements Settlement Date 5/28/26 (2025 Series) |
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| Shareholders' equity |
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| Common Shares Delivered To Settle Forward Sales Agreement, Gross |
|
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|
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|
695,884
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| Cash Received On Settlement Of Forward Sale Agreement | $ |
[2] |
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$ 75,000
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| Forward Sale Price, Per Share, Settled | $ / shares |
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|
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$ 107.78
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| IDACORP | Forward Sale Agreements Settlement Date 5/28/26 1 (2025 Series) |
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| Shareholders' equity |
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|
|
|
|
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| Common Shares Delivered To Settle Forward Sales Agreement, Gross |
|
|
|
|
|
1,726,727
|
|
| Cash Received On Settlement Of Forward Sale Agreement | $ |
[2] |
|
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|
|
$ 186,775
|
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| Forward Sale Price, Per Share, Settled | $ / shares |
|
|
|
|
|
$ 108.17
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| IDACORP | Forward Sale Agreements Settlement 10/15/2026 (2025 Series) | Subsequent Event |
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| Shareholders' equity |
|
|
|
|
|
|
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| Common Shares Delivered To Settle Forward Sales Agreement, Gross |
|
1,030,843
|
|
|
|
|
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| Cash Received On Settlement Of Forward Sale Agreement | $ |
[2] |
$ 111,443
|
|
|
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| Forward Sale Price, Per Share, Settled | $ / shares |
|
$ 108.11
|
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