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Joint Ownership Of Generating And Transmission Facilities
 12 Months Ended
Dec. 31, 2011
Joint Ownership Of Generating And Transmission Facilities

8. Joint Ownership of Generating and Transmission Facilities

Duke Energy Carolinas, along with North Carolina Municipal Power Agency Number 1, North Carolina Electric Membership Corporation and Piedmont Municipal Power Agency, have joint ownership of Catawba Nuclear Station, which is a facility operated by Duke Energy Carolinas.

Duke Energy Ohio, Columbus Southern Power Company, and Dayton Power & Light jointly own electric generating units and related transmission facilities in Ohio. Duke Energy Kentucky and Dayton Power & Light jointly own an electric generating unit. At December 31, 2011, Duke Energy Ohio and WVPA jointly owned Vermillion Station. Additionally, Duke Energy Indiana is a joint-owner of Gibson Station Unit No. 5 with WVPA and Indiana Municipal Power Agency (IMPA), as well as a joint-owner with WVPA and IMPA of certain Indiana transmission property and local facilities. These facilities constitute part of the integrated transmission and distribution systems, which are operated and maintained by Duke Energy Indiana.

The Duke Energy registrant's share of jointly-owned plant or facilities included on the December 31, 2011 Consolidated Balance Sheets is as follows:

 

    Ownership
Share		     Property, Plant,
and Equipment		     Accumulated
Depreciation		     Construction Work
in Progress		  
    (in millions)  

Duke Energy

        

Duke Energy Carolinas

        

Production:

        

Catawba Nuclear Station (Units 1 and 2)(a)

     19.25 %    $ 880     $ 427     $ 5  

Duke Energy Ohio

        

Production:

        

Miami Fort Station (Units 7 and 8)(b)

     64.0        612       190       4  

W.C. Beckjord Station (Unit 6)(b)(d)

     37.5        —          —          —     

J.M. Stuart Station(b)(c)

     39.0        805       251       17  

Conesville Station (Unit 4)(b)(c)

     40.0        295       51       14  

W.M. Zimmer Station(b)

     46.5        1,318       559       39  

Killen Station(b)(c)

     33.0        304       139       3  

Vermillion(b)(e)

     75.0        174       61       —     

Transmission(a)

    Various        104       54       —     

Duke Energy Kentucky

        

Production:

        

East Bend Station(a)

     69.0        434       234       6  

Duke Energy Indiana

        

Production:

        

Gibson Station (Unit 5)(a)

     50.05        305       141       3  

Transmission and local facilities(a)

     Various        3,335       1,448       —     

International Energy

        

Production:

        

Brazil – Canoas I and II

     47.2        332       91       —     

 

(a) Included in USFE&G segment.
(b) Included in Commercial Power segment.
(c) Station is not operated by Duke Energy Ohio.
(d) During the 2010 and 2009, Duke Energy Ohio recorded impairment charges to write-down its share of W.C. Beckjord Station to fair value. See Note 12 for further details.
(e) After receiving approval from the FERC and the IURC, on January 12, 2012, Duke Energy Ohio completed the sale its 75% ownership in the Vermillion Generating Station. Upon the close, Duke Energy Indiana and WVPA held 62.5% and 37.5% interests, respectively. See Notes 2 and 5 for further discussion of the Vermillion transaction.

The Duke Energy registrant's share of revenues and operating costs of the above jointly owned generating facilities are included within the corresponding line on the Consolidated Statements of Operations. Each participant in the jointly owned facilities must provide its own financing.

Duke Energy Corp [Member]
  
Joint Ownership Of Generating And Transmission Facilities

8. Joint Ownership of Generating and Transmission Facilities

Duke Energy Carolinas, along with North Carolina Municipal Power Agency Number 1, North Carolina Electric Membership Corporation and Piedmont Municipal Power Agency, have joint ownership of Catawba Nuclear Station, which is a facility operated by Duke Energy Carolinas.

Duke Energy Ohio, Columbus Southern Power Company, and Dayton Power & Light jointly own electric generating units and related transmission facilities in Ohio. Duke Energy Kentucky and Dayton Power & Light jointly own an electric generating unit. At December 31, 2011, Duke Energy Ohio and WVPA jointly owned Vermillion Station. Additionally, Duke Energy Indiana is a joint-owner of Gibson Station Unit No. 5 with WVPA and Indiana Municipal Power Agency (IMPA), as well as a joint-owner with WVPA and IMPA of certain Indiana transmission property and local facilities. These facilities constitute part of the integrated transmission and distribution systems, which are operated and maintained by Duke Energy Indiana.

The Duke Energy registrant's share of jointly-owned plant or facilities included on the December 31, 2011 Consolidated Balance Sheets is as follows:

 

    Ownership
Share		     Property, Plant,
and Equipment		     Accumulated
Depreciation		     Construction Work
in Progress		  
    (in millions)  

Duke Energy

        

Duke Energy Carolinas

        

Production:

        

Catawba Nuclear Station (Units 1 and 2)(a)

     19.25 %    $ 880     $ 427     $ 5  

Duke Energy Ohio

        

Production:

        

Miami Fort Station (Units 7 and 8)(b)

     64.0        612       190       4  

W.C. Beckjord Station (Unit 6)(b)(d)

     37.5        —          —          —     

J.M. Stuart Station(b)(c)

     39.0        805       251       17  

Conesville Station (Unit 4)(b)(c)

     40.0        295       51       14  

W.M. Zimmer Station(b)

     46.5        1,318       559       39  

Killen Station(b)(c)

     33.0        304       139       3  

Vermillion(b)(e)

     75.0        174       61       —     

Transmission(a)

    Various        104       54       —     

Duke Energy Kentucky

        

Production:

        

East Bend Station(a)

     69.0        434       234       6  

Duke Energy Indiana

        

Production:

        

Gibson Station (Unit 5)(a)

     50.05        305       141       3  

Transmission and local facilities(a)

     Various        3,335       1,448       —     

International Energy

        

Production:

        

Brazil – Canoas I and II

     47.2        332       91       —     

 

(a) Included in USFE&G segment.
(b) Included in Commercial Power segment.
(c) Station is not operated by Duke Energy Ohio.
(d) During the 2010 and 2009, Duke Energy Ohio recorded impairment charges to write-down its share of W.C. Beckjord Station to fair value. See Note 12 for further details.
(e) After receiving approval from the FERC and the IURC, on January 12, 2012, Duke Energy Ohio completed the sale its 75% ownership in the Vermillion Generating Station. Upon the close, Duke Energy Indiana and WVPA held 62.5% and 37.5% interests, respectively. See Notes 2 and 5 for further discussion of the Vermillion transaction.

The Duke Energy registrant's share of revenues and operating costs of the above jointly owned generating facilities are included within the corresponding line on the Consolidated Statements of Operations. Each participant in the jointly owned facilities must provide its own financing.

Duke Energy Carolinas [Member]
  
Joint Ownership Of Generating And Transmission Facilities

8. Joint Ownership of Generating and Transmission Facilities

Duke Energy Carolinas, along with North Carolina Municipal Power Agency Number 1, North Carolina Electric Membership Corporation and Piedmont Municipal Power Agency, have joint ownership of Catawba Nuclear Station, which is a facility operated by Duke Energy Carolinas.

Duke Energy Ohio, Columbus Southern Power Company, and Dayton Power & Light jointly own electric generating units and related transmission facilities in Ohio. Duke Energy Kentucky and Dayton Power & Light jointly own an electric generating unit. At December 31, 2011, Duke Energy Ohio and WVPA jointly owned Vermillion Station. Additionally, Duke Energy Indiana is a joint-owner of Gibson Station Unit No. 5 with WVPA and Indiana Municipal Power Agency (IMPA), as well as a joint-owner with WVPA and IMPA of certain Indiana transmission property and local facilities. These facilities constitute part of the integrated transmission and distribution systems, which are operated and maintained by Duke Energy Indiana.

The Duke Energy registrant's share of jointly-owned plant or facilities included on the December 31, 2011 Consolidated Balance Sheets is as follows:

 

    Ownership
Share		     Property, Plant,
and Equipment		     Accumulated
Depreciation		     Construction Work
in Progress		  
    (in millions)  

Duke Energy

        

Duke Energy Carolinas

        

Production:

        

Catawba Nuclear Station (Units 1 and 2)(a)

     19.25 %    $ 880     $ 427     $ 5  

Duke Energy Ohio

        

Production:

        

Miami Fort Station (Units 7 and 8)(b)

     64.0        612       190       4  

W.C. Beckjord Station (Unit 6)(b)(d)

     37.5        —          —          —     

J.M. Stuart Station(b)(c)

     39.0        805       251       17  

Conesville Station (Unit 4)(b)(c)

     40.0        295       51       14  

W.M. Zimmer Station(b)

     46.5        1,318       559       39  

Killen Station(b)(c)

     33.0        304       139       3  

Vermillion(b)(e)

     75.0        174       61       —     

Transmission(a)

    Various        104       54       —     

Duke Energy Kentucky

        

Production:

        

East Bend Station(a)

     69.0        434       234       6  

Duke Energy Indiana

        

Production:

        

Gibson Station (Unit 5)(a)

     50.05        305       141       3  

Transmission and local facilities(a)

     Various        3,335       1,448       —     

International Energy

        

Production:

        

Brazil – Canoas I and II

     47.2        332       91       —     

 

(a) Included in USFE&G segment.
(b) Included in Commercial Power segment.
(c) Station is not operated by Duke Energy Ohio.
(d) During the 2010 and 2009, Duke Energy Ohio recorded impairment charges to write-down its share of W.C. Beckjord Station to fair value. See Note 12 for further details.
(e) After receiving approval from the FERC and the IURC, on January 12, 2012, Duke Energy Ohio completed the sale its 75% ownership in the Vermillion Generating Station. Upon the close, Duke Energy Indiana and WVPA held 62.5% and 37.5% interests, respectively. See Notes 2 and 5 for further discussion of the Vermillion transaction.

The Duke Energy registrant's share of revenues and operating costs of the above jointly owned generating facilities are included within the corresponding line on the Consolidated Statements of Operations. Each participant in the jointly owned facilities must provide its own financing.

Duke Energy Ohio [Member]
  
Joint Ownership Of Generating And Transmission Facilities

8. Joint Ownership of Generating and Transmission Facilities

Duke Energy Carolinas, along with North Carolina Municipal Power Agency Number 1, North Carolina Electric Membership Corporation and Piedmont Municipal Power Agency, have joint ownership of Catawba Nuclear Station, which is a facility operated by Duke Energy Carolinas.

Duke Energy Ohio, Columbus Southern Power Company, and Dayton Power & Light jointly own electric generating units and related transmission facilities in Ohio. Duke Energy Kentucky and Dayton Power & Light jointly own an electric generating unit. At December 31, 2011, Duke Energy Ohio and WVPA jointly owned Vermillion Station. Additionally, Duke Energy Indiana is a joint-owner of Gibson Station Unit No. 5 with WVPA and Indiana Municipal Power Agency (IMPA), as well as a joint-owner with WVPA and IMPA of certain Indiana transmission property and local facilities. These facilities constitute part of the integrated transmission and distribution systems, which are operated and maintained by Duke Energy Indiana.

The Duke Energy registrant's share of jointly-owned plant or facilities included on the December 31, 2011 Consolidated Balance Sheets is as follows:

 

    Ownership
Share		     Property, Plant,
and Equipment		     Accumulated
Depreciation		     Construction Work
in Progress		  
    (in millions)  

Duke Energy

        

Duke Energy Carolinas

        

Production:

        

Catawba Nuclear Station (Units 1 and 2)(a)

     19.25 %    $ 880     $ 427     $ 5  

Duke Energy Ohio

        

Production:

        

Miami Fort Station (Units 7 and 8)(b)

     64.0        612       190       4  

W.C. Beckjord Station (Unit 6)(b)(d)

     37.5        —          —          —     

J.M. Stuart Station(b)(c)

     39.0        805       251       17  

Conesville Station (Unit 4)(b)(c)

     40.0        295       51       14  

W.M. Zimmer Station(b)

     46.5        1,318       559       39  

Killen Station(b)(c)

     33.0        304       139       3  

Vermillion(b)(e)

     75.0        174       61       —     

Transmission(a)

    Various        104       54       —     

Duke Energy Kentucky

        

Production:

        

East Bend Station(a)

     69.0        434       234       6  

Duke Energy Indiana

        

Production:

        

Gibson Station (Unit 5)(a)

     50.05        305       141       3  

Transmission and local facilities(a)

     Various        3,335       1,448       —     

International Energy

        

Production:

        

Brazil – Canoas I and II

     47.2        332       91       —     

 

(a) Included in USFE&G segment.
(b) Included in Commercial Power segment.
(c) Station is not operated by Duke Energy Ohio.
(d) During the 2010 and 2009, Duke Energy Ohio recorded impairment charges to write-down its share of W.C. Beckjord Station to fair value. See Note 12 for further details.
(e) After receiving approval from the FERC and the IURC, on January 12, 2012, Duke Energy Ohio completed the sale its 75% ownership in the Vermillion Generating Station. Upon the close, Duke Energy Indiana and WVPA held 62.5% and 37.5% interests, respectively. See Notes 2 and 5 for further discussion of the Vermillion transaction.

The Duke Energy registrant's share of revenues and operating costs of the above jointly owned generating facilities are included within the corresponding line on the Consolidated Statements of Operations. Each participant in the jointly owned facilities must provide its own financing.

Duke Energy Indiana [Member]
  
Joint Ownership Of Generating And Transmission Facilities

8. Joint Ownership of Generating and Transmission Facilities

Duke Energy Carolinas, along with North Carolina Municipal Power Agency Number 1, North Carolina Electric Membership Corporation and Piedmont Municipal Power Agency, have joint ownership of Catawba Nuclear Station, which is a facility operated by Duke Energy Carolinas.

Duke Energy Ohio, Columbus Southern Power Company, and Dayton Power & Light jointly own electric generating units and related transmission facilities in Ohio. Duke Energy Kentucky and Dayton Power & Light jointly own an electric generating unit. At December 31, 2011, Duke Energy Ohio and WVPA jointly owned Vermillion Station. Additionally, Duke Energy Indiana is a joint-owner of Gibson Station Unit No. 5 with WVPA and Indiana Municipal Power Agency (IMPA), as well as a joint-owner with WVPA and IMPA of certain Indiana transmission property and local facilities. These facilities constitute part of the integrated transmission and distribution systems, which are operated and maintained by Duke Energy Indiana.

The Duke Energy registrant's share of jointly-owned plant or facilities included on the December 31, 2011 Consolidated Balance Sheets is as follows:

 

    Ownership
Share		     Property, Plant,
and Equipment		     Accumulated
Depreciation		     Construction Work
in Progress		  
    (in millions)  

Duke Energy

        

Duke Energy Carolinas

        

Production:

        

Catawba Nuclear Station (Units 1 and 2)(a)

     19.25 %    $ 880     $ 427     $ 5  

Duke Energy Ohio

        

Production:

        

Miami Fort Station (Units 7 and 8)(b)

     64.0        612       190       4  

W.C. Beckjord Station (Unit 6)(b)(d)

     37.5        —          —          —     

J.M. Stuart Station(b)(c)

     39.0        805       251       17  

Conesville Station (Unit 4)(b)(c)

     40.0        295       51       14  

W.M. Zimmer Station(b)

     46.5        1,318       559       39  

Killen Station(b)(c)

     33.0        304       139       3  

Vermillion(b)(e)

     75.0        174       61       —     

Transmission(a)

    Various        104       54       —     

Duke Energy Kentucky

        

Production:

        

East Bend Station(a)

     69.0        434       234       6  

Duke Energy Indiana

        

Production:

        

Gibson Station (Unit 5)(a)

     50.05        305       141       3  

Transmission and local facilities(a)

     Various        3,335       1,448       —     

International Energy

        

Production:

        

Brazil – Canoas I and II

     47.2        332       91       —     

 

(a) Included in USFE&G segment.
(b) Included in Commercial Power segment.
(c) Station is not operated by Duke Energy Ohio.
(d) During the 2010 and 2009, Duke Energy Ohio recorded impairment charges to write-down its share of W.C. Beckjord Station to fair value. See Note 12 for further details.
(e) After receiving approval from the FERC and the IURC, on January 12, 2012, Duke Energy Ohio completed the sale its 75% ownership in the Vermillion Generating Station. Upon the close, Duke Energy Indiana and WVPA held 62.5% and 37.5% interests, respectively. See Notes 2 and 5 for further discussion of the Vermillion transaction.

The Duke Energy registrant's share of revenues and operating costs of the above jointly owned generating facilities are included within the corresponding line on the Consolidated Statements of Operations. Each participant in the jointly owned facilities must provide its own financing.