| Segment Reporting [Table Text Block] |
The following table provides information about IPALCO’s business segments (in thousands):
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended | | Three Months Ended | | | September 30, 2026 | | September 30, 2025 | | | Utility | | Other | | Total | | Utility | | Other | | Total | | Revenue | | $ | 582,128 | | | $ | — | | | $ | 582,128 | | | $ | 529,344 | | | $ | — | | | $ | 529,344 | | | | | | | | | | | | | | | | Fuel | | 116,775 | | | — | | | 116,775 | | | 138,017 | | | — | | | 138,017 | | | Power purchased | | 61,354 | | | — | | | 61,354 | | | 38,604 | | | — | | | 38,604 | | | Operation and maintenance | | 148,102 | | | 79 | | | 148,181 | | | 134,885 | | | 156 | | | 135,041 | | | Depreciation and amortization | | 95,494 | | | — | | | 95,494 | | | 93,239 | | | — | | | 93,239 | | | Taxes other than income taxes | | 10,374 | | | — | | | 10,374 | | | 6,262 | | | — | | | 6,262 | | | Allowance for equity funds used during construction | | (2,204) | | | — | | | (2,204) | | | (622) | | | — | | | (622) | | | Interest expense | | 38,326 | | | 10,494 | | | 48,820 | | | 31,764 | | | 10,447 | | | 42,211 | | Other segment items (a) | | 603 | | | (38) | | | 564 | | | 472 | | | (262) | | | 210 | | | Income / (loss) before income tax | | 113,304 | | | (10,534) | | | 102,770 | | | 86,723 | | | (10,341) | | | 76,382 | | | Income tax expense / (benefit) | | 41,634 | | | (1,536) | | | 40,098 | | | 23,866 | | | (3,498) | | | 20,368 | | | Net income / (loss) | | $ | 71,670 | | | $ | (8,998) | | | $ | 62,672 | | | $ | 62,857 | | | $ | (6,843) | | | $ | 56,014 | | | | | | | | | | | | | | | Capital expenditures | | $ | 241,635 | | | $ | — | | | $ | 241,635 | | | $ | 251,139 | | | $ | — | | | $ | 251,139 | | | | | | | | | | | | | | | | | Nine Months Ended | | Nine Months Ended | | | September 30, 2026 | | September 30, 2025 | | | Utility | | Other | | Total | | Utility | | Other | | Total | | Revenue | | $ | 1,545,938 | | | $ | — | | | $ | 1,545,938 | | | $ | 1,445,728 | | | $ | — | | | $ | 1,445,728 | | | | | | | | | | | | | | | | Fuel | | 313,402 | | | — | | | 313,402 | | | 344,499 | | | — | | | 344,499 | | | Power purchased | | 126,767 | | | — | | | 126,767 | | | 105,373 | | | — | | | 105,373 | | | Operation and maintenance | | 439,175 | | | 243 | | | 439,418 | | | 419,583 | | | 374 | | | 419,957 | | | Depreciation and amortization | | 284,271 | | | — | | | 284,271 | | | 271,313 | | | — | | | 271,313 | | | Taxes other than income taxes | | 31,384 | | | — | | | 31,384 | | | 19,565 | | | — | | | 19,565 | | | Allowance for equity funds used during construction | | (5,648) | | | — | | | (5,648) | | | (2,023) | | | — | | | (2,023) | | | Interest expense | | 111,668 | | | 31,479 | | | 143,147 | | | 101,452 | | | 31,342 | | | 132,794 | | Other segment items (a) | | 416 | | | (405) | | | 11 | | | 1,263 | | | (281) | | | 982 | | | Income / (loss) before income tax | | 244,503 | | | (31,317) | | | 213,186 | | | 184,703 | | | (31,435) | | | 153,268 | | | Income tax expense / (benefit) | | 93,493 | | | (6,304) | | | 87,189 | | | 70,652 | | | (7,709) | | | 62,943 | | | Net income / (loss) | | $ | 151,010 | | | $ | (25,013) | | | $ | 125,997 | | | $ | 114,051 | | | $ | (23,726) | | | 90,325 | | | | | | | | | | | | | | | Capital expenditures | | $ | 691,781 | | | $ | — | | | $ | 691,781 | | | $ | 547,963 | | | $ | — | | | $ | 547,963 | | | | | | | | | | | | | | | | | As of September 30, 2026 | | As of December 31, 2025 | | | Utility | | Other | | Total | | Utility | | Other | | Total | | Total assets | | $ | 8,111,750 | | | $ | 16,697 | | | $ | 8,128,447 | | | $ | 7,748,106 | | | $ | 9,071 | | | $ | 7,757,177 | | | | | | | | | | | | | | |
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