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Income Taxes
6 Months Ended
Jun. 30, 2016
Income Tax Disclosure [Abstract]  
Income Taxes
INCOME TAXES
 
IPALCO’s effective combined state and federal income tax rates were 33.3% and 33.0% for the three and six months ended June 30, 2016, respectively, as compared to 38.4% and 35.4% for the three and six months ended June 30, 2015, respectively. The decrease in the effective tax rates versus the comparable periods was primarily the result of an increase in the allowance for equity funds used during construction in 2016 and the manufacturer’s production deduction (Internal Revenue Code Section 199) that had been previously disallowed due to a Net Operating Loss carryover.