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Income Taxes (Tables)
9 Months Ended
Sep. 30, 2024
Income Tax Disclosure [Abstract]  
Schedule of Effective Income Tax Rate Reconciliation
IPALCO’s provision for income taxes is based on the estimated annual effective tax rate, plus discrete items. The effective combined state and federal income tax rates were as follows:

Three Months Ended September 30,Nine Months Ended September 30,
 2024202320242023
Effective tax rate13.3 %9.7 %21.7 %12.2 %