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Joint Ownership of Generating and Transmission Facilities (Tables)
12 Months Ended
Dec. 31, 2014
Jointly Owned Utility Plant Interests [Line Items]  
Schedule Joint Ownership of Generating and Transmission Facilities
The following table presents the share of jointly owned plant or facilities included on the Consolidated Balance Sheets. All facilities are operated by the Duke Energy Registrants unless otherwise noted.
 
December 31, 2014
 
Ownership Share

 
Property, Plant and Equipment

 
Accumulated Depreciation

 
Construction Work in Progress

Duke Energy Carolinas
 

 
 
 
 
 
 
Catawba Nuclear Station (Units 1 and 2)(a)(b)
19.25
%
 
$
886

 
$
534

 
$
29

Duke Energy Progress
 

 
 

 
 

 
 

Mayo Station(a)(c)
83.83
%
 
1,111

 
360

 
10

Shearon Harris Nuclear Station(a)(c)
83.83
%
 
3,872

 
2,242

 
208

Brunswick Nuclear Station(a)(c)
81.67
%
 
2,673

 
1,372

 
290

Roxboro Station (Unit 4)(a)(c)
87.06
%
 
954

 
514

 
24

Duke Energy Florida
 
 
 

 
 

 
 

Crystal River Nuclear Station (Unit 3)(a)(d)
91.78
%
 

 

 

Intercession City Station (Unit P11)(a)
(e)

 
24

 
14

 

Duke Energy Ohio
 
 
 

 
 

 
 

Miami Fort Station (Units 7 and 8)(f)(g)
64.0
%
 

 

 

J.M. Stuart Station(f)(h)(i)
39.0
%
 

 

 

Conesville Station (Unit 4)(f)(h)(i)
40.0
%
 

 

 

W.M. Zimmer Station(f)(h)
46.5
%
 

 

 

Killen Station(f)(g)(i)
33.0
%
 

 

 

Transmission facilities(a)(h)
Various

 
96

 
51

 
1

Duke Energy Indiana
 

 
 

 
 

 
 

Gibson Station (Unit 5)(a)(j)
50.05
%
 
315

 
170

 
6

Vermillion(a)(k)
62.5
%
 
154

 
105

 

Transmission and local facilities(a)(j)
Various

 
3,918

 
1,633

 

International Energy
 

 
 

 
 

 
 

Brazil - Canoas I and II(l)
47.2
%
 
235

 
78

 

(a)
Included in Regulated Utilities segment.
(b)
Jointly owned with North Carolina Municipal Power Agency Number 1, NCEMC and Piedmont Municipal Power Agency.
(c)
Jointly owned with NCEMPA. Duke Energy Progress executed an agreement in September 2014 to purchase NCEMPA's ownership interest in these facilities. See Note 2 for further discussion.
(d)
All costs associated with Crystal River Unit 3 are included within Regulatory assets on the Consolidated Balance Sheets of Duke Energy, Progress Energy and Duke Energy Florida. See Note 4 for additional information. Co-owned with Seminole Electric Cooperative, Inc., City of Ocala, Orlando Utilities Commission, City of Gainesville, City of Leesburg, Kissimmee Utility Authority, Utilities Commission of the City of New Smyrna Beach, City of Alachua and City of Bushnell (Florida Municipal Joint Owners). Duke Energy Florida is in the process of obtaining the remaining ownership interest from the Florida Municipal Joint Owners.
(e)
Jointly owned with Georgia Power Company (GPC). GPC has exclusive rights to the output of the unit during the months of June through September and pays all fuel and water costs during this period. Duke Energy Florida pays all fuel and water costs during the remaining months. Other costs are allocated 66.67 percent to Duke Energy Florida and the remainder to GPC.
(f)
All costs associated with these plants are included in Assets held for sale on the Consolidated Balance Sheets of Duke Energy and Duke Energy Ohio as part of the Disposal Group. See Note 2 for further discussion.
(g)
Jointly owned with The Dayton Power and Light Company.
(h)
Jointly owned with America Electric Power Generation Resources and The Dayton Power and Light Company. 
(i)
Station is not operated by Duke Energy Ohio.
(j)
Jointly owned with WVPA and Indiana Municipal Power Agency.
(k)
Jointly owned with WVPA.
(l)
Included in International Energy segment. Jointly owned with Companhia Brasileira de Aluminio.