Related Party Transactions (Tables)

Sep. 30, 2012

Jun. 30, 2012

Duke Energy Ohio [Member]

Related Party Transactions, Other Revenue and Expense

		Three Months Ended				Nine Months Ended
(in millions)		September 30,				September 30,
Duke Energy Carolinas			2012		2011		2012		2011
Corporate governance and shared service expenses(a)		$	309	$	265	$	798	$	769
Indemnification coverages(b)		$	5	$	5	$	16	$	15
Joint dispatch agreement (JDA) revenue(c)		$	8		―	$	8		―
Joint dispatch agreement (JDA) expense(d)		$	37		―	$	37		―
Duke Energy Ohio
Corporate governance and shared service expenses(a)		$	103	$	104	$	279	$	290
Indemnification coverages(b)		$	4	$	5	$	11	$	13
Duke Energy Indiana
Corporate governance and shared service expenses(a)		$	118	$	100	$	317	$	306
Indemnification coverages(b)		$	2	$	1	$	6	$	5
(a)	The Subsidiary Registrants are charged their proportionate share of corporate governance and other costs by an unconsolidated affiliate that is a consolidated affiliate of Duke Energy. Corporate governance and other shared services costs are primarily related to human resources, employee benefits, legal and accounting fees, as well as other third party costs. These amounts are recorded in Operation, maintenance and other within Operating Expenses on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(b)	The Subsidiary Registrants incur expenses related to certain indemnification coverages through Bison, Duke Energy’s wholly owned captive insurance subsidiary. These expenses are recorded in Operation, maintenance and other within Operating Expenses on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(c)	Effective with the consummation of the merger, Duke Energy Carolinas and Progress Energy Carolinas began to participate in a JDA which allowed the collective dispatch of power plants between the service territories to reduce customers' rates. The revenues from the sale of power to Progress Energy Carolinas are recorded in Regulated electric within Operating Revenue on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(d)	Effective with the consummation of the merger, Duke Energy Carolinas and Progress Energy Carolinas began to participate in a JDA which allowed the collective dispatch of power plants between the service territories to reduce customers' rates. The expenses from the purchase of power from Progress Energy Carolinas are recorded in Fuel used in electric generation and purchased power - regulated within Operating Expenses on the Condensed Consolidated Statements of Operations and Comprehensive Income.

	Amounts related to transactions with related parties included in the Condensed Consolidated Statements of Operations and
Comprehensive Income are presented in the following table:
		Three Months Ended
(in millions)		September 30, 2012		September 30, 2011
Corporate governance and shared service expenses(a)		$	90	$	95
Indemnification coverages(b)		$	4	$	4
(a)	Duke Energy Ohio is charged its proportionate share of corporate governance and other costs by an unconsolidated affiliate that is a consolidated affiliate of Duke Energy. Corporate governance and other shared services costs are primarily related to human resources, employee benefits, legal and accounting fees, as well as other third party costs. These amounts are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(b)	Duke Energy Ohio incurs expenses related to certain indemnification coverages through Bison, Duke Energy’s wholly-owned captive insurance subsidiary. These expenses are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations and Comprehensive Income.
(c)	Duke Energy Ohio records income associated with the rental of office space to a consolidated affiliate of Duke Energy, as well as its proportionate share of certain charged expenses from affiliates of Duke Energy.
(d)	Recorded in Interest Expense on the Condensed Consolidated Statements of Operations and Comprehensive Income. See Note ##DCF for additional information related to money pool.
(e)	Recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations and Comprehensive Income. See Note ##DCF for additional information related to money pool.
(f)	As discussed in Note ##VIE, certain trade receivables have been sold by Duke Energy Ohio to CRC, an unconsolidated entity formed by a subsidiary of Duke Energy. The proceeds obtained from the sales of receivables are largely cash but do include a subordinated note from CRC for a portion of the purchase price. The interest income associated with the subordinated note is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations and Comprehensive Income.