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Income Taxes
3 Months Ended
Mar. 31, 2019
Income Tax Disclosure [Abstract]  
Income Taxes
INCOME TAXES
EFFECTIVE TAX RATES
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,
 
2019

 
2018

Duke Energy
9.6
%
 
22.5
%
Duke Energy Carolinas
17.7
%
 
22.0
%
Progress Energy
17.3
%
 
13.2
%
Duke Energy Progress
17.8
%
 
14.1
%
Duke Energy Florida
19.3
%
 
16.3
%
Duke Energy Ohio
16.9
%
 
32.4
%
Duke Energy Indiana
24.1
%
 
25.9
%
Piedmont
21.8
%
 
24.1
%

The decrease in the ETR for Duke Energy is primarily due to a one-time valuation allowance charge in the prior year, an adjustment related to the income tax recognition for equity method investments recorded in the first quarter of 2019 and the amortization of excess deferred taxes. This adjustment was immaterial and relates to prior years.
The decrease in the ETR for Duke Energy Carolinas is primarily due to the amortization of excess deferred taxes.
The increase in the ETR for Progress Energy is primarily due to a reduction in AFUDC equity and lower amortization of excess deferred taxes in the current year.
The increase in the ETR for Duke Energy Progress is primarily due to lower amortization of excess deferred taxes in the current year.
The increase in the ETR for Duke Energy Florida is primarily due to a reduction in AFUDC equity in the current year.
The decrease in the ETR for Duke Energy Ohio is primarily due to the amortization of excess deferred taxes.
The decrease in the ETR for Duke Energy Indiana is primarily due to the amortization of excess deferred taxes.
The decrease in the ETR for Piedmont is primarily due to the amortization of excess deferred taxes.