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Income Taxes
3 Months Ended
Mar. 31, 2015
Income Tax Disclosure [Abstract]  
Income Taxes
INCOME TAXES
The effective tax rates from continuing operations for each of the Duke Energy Registrants are included in the following table.
 
Three Months Ended March 31,
 
2015

 
2014

Duke Energy
31.9
%
 
31.2
%
Duke Energy Carolinas
35.8
%
 
37.4
%
Progress Energy
35.4
%
 
36.9
%
Duke Energy Progress
33.8
%
 
36.6
%
Duke Energy Florida
38.6
%
 
38.5
%
Duke Energy Ohio
36.7
%
 
36.4
%
Duke Energy Indiana
36.6
%
 
36.8
%

The decrease in the effective tax rate for Duke Energy Carolinas for the three months ended March 31, 2015 is primarily due to the reduction of state rates in certain jurisdictions and the tax benefit related to the manufacturing deduction in 2015 as the prior-year deduction was limited by taxable income.
The decrease in the effective tax rate for Progress Energy for the three months ended March 31, 2015 is primarily due to an increase in AFUDC-equity.
The decrease in the effective tax rate for Duke Energy Progress for the three months ended March 31, 2015 is primarily due to an increase in AFUDC-equity.