Joint Ownership of Generating and Transmission Facilities (Tables)

12 Months Ended

Dec. 31, 2015

Jointly Owned Utility Plant Interests [Line Items]

Schedule Joint Ownership of Generating and Transmission Facilities

The following table presents the Duke Energy Registrants' interest of jointly owned plant or facilities and amounts included on the Consolidated Balance Sheets. All facilities are operated by the Duke Energy Registrants and are included in the Regulated Utilities segment unless otherwise noted.

	December 31, 2015
							Construction
	Ownership		Property, Plant		Accumulated		Work in
	Interest		and Equipment		Depreciation		Progress
Duke Energy Carolinas
Catawba Nuclear Station (units 1 and 2)(a)	19.25	%	$	926	$	567	$	9
Duke Energy Florida
Intercession City Plant (unit 11)	(b)		24		15		—
Duke Energy Ohio
Transmission facilities(c)	Various		85		50		1
Duke Energy Indiana
Gibson Station (unit 5)(d)	50.05	%	329		151		5
Vermillion(e)	62.5	%	153		108		—
Transmission and local facilities(d)	Various		4,094		1,688		—
International Energy
Brazil – Canoas I and II(f)	47.2	%	160		57		—

(a) Jointly owned with North Carolina Municipal Power Agency Number One, NCEMC and Piedmont Municipal Power Agency.

(b) 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.

(c) Jointly owned with America Electric Power Generation Resources and The Dayton Power and Light Company. 

(d) Jointly owned with Wabash Valley Power Association, Inc. (WVPA) and Indiana Municipal Power Agency.

(e) Jointly owned with WVPA.

(f) Jointly owned with Companhia Brasileira de Aluminio and included in the International segment.