Related Party Transactions

6 Months Ended

Jun. 30, 2011

Related Party Transactions

17. Related Party Transactions

Duke Energy Carolinas

Duke Energy Carolinas engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of June 30, 2011 and December 31, 2010 are as follows:

Assets/(Liabilities)

	June 30, 2011(a)			December 31, 2010(a)
	(in millions)
Current assets (b)	$	57		$	293
Non-current assets(c)		110			104
Current liabilities(d)		(114	)		(195	)
Non-current liabilities(e)		(42	)		(93	)
Net deferred tax liabilities(f)		(4,244	)		(3,906	)

(a) Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits and with money pool arrangements as discussed below.

(b) Of the balances at June 30, 2011, $4 million is classified as Receivables and $53 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balances at December 31, 2010, $90 million is classified as Receivables and $203 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

(c) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Investments and Other Assets on the Condensed Consolidated Balance Sheets.

(d) The balances at June 30, 2011, and December 31, 2010, are classified as Accounts payable on the Condensed Consolidated Balance Sheets.

(e) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets.

(f) Of the balance at June 30, 2011, $(4,302) million is classified as Deferred income taxes and $58 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(3,988) million is classified as Deferred income taxes and $82 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

As discussed further in Note 14, Duke Energy Carolinas participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Carolinas has been allocated accrued pension and other post-retirement benefit obligations of $252 million as of both June 30, 2011 and December 31, 2010. This amount has been classified in the Consolidated Balance Sheets as follows:

	June 30, 2011		December 31, 2010
	(in millions)
Other current liabilities	$	10	$	10
Accrued pension and other post-retirement benefit costs		242		242

Other Related Party Amounts

	Three months ended						Six months ended
	June 30, 2011			June 30, 2010			June 30, 2011			June 30, 2010
	(in millions)
Corporate governance and shared service expenses(a)	$	251		$	234		$	504		$	468
Indemnification coverages(b)		5			6			10			12
Rental income and other charged expenses, net(c)		(2	)		(1	)		(4	)		2

(a) Duke Energy Carolinas 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.

(b) Duke Energy Carolinas 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.

(c) Duke Energy Carolinas 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.

As discussed further in Note 6, Duke Energy Carolinas participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was insignificant for each of the three and six months ended June 30, 2011 and 2010. Interest expense associated with money pool activity is recorded in Interest Expense on the Condensed Consolidated Statements of Operations was insignificant for the three and six months ended June 30, 2011 and 2010.

In February 2010, Duke Energy Carolinas made a $200 million distribution to its parent, Duke Energy. In June 2010, Duke Energy Carolinas made a $150 million distribution to its parent, Duke Energy.

Duke Energy Ohio

Duke Energy Ohio engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of June 30, 2011 and December 31, 2010 are as follows:

	June 30, 2011(a)			December 31, 2010(a)
	(in millions)
Current assets (b)	$	24		$	82
Non-current assets(c)		8			15
Current liabilities(d)		(22	)		(86	)
Non-current liabilities(e)		(25	)		(42	)
Net deferred tax liabilities(f)		(1,668	)		(1,579	)

(a) Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits, Cinergy Receivables and money pool arrangements as discussed below.

(b) Of the balance at June 30, 2011, $13 million is classified as Receivables and $11 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $24 million is classified as Receivables and $58 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

(c) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Investments and Other Assets on the Condensed Consolidated Balance Sheets.

(d) Of the balance at June 30, 2011, ($58) million is classified as Accounts payable, $38 million is classified as Taxes accrued and ($2) million is classified as Other within Current Liabilities on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(83) million is classified as Accounts payable and $(3) million is classified as Other within Current Liabilities on the Condensed Consolidated Balance Sheets.

(e) The balances at June 30, 2011 and December 31, 2010, are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets.

(f) Of the balance at June 30, 2011, $(1,675) million is classified as Deferred income taxes, and $7 million is classified as Other within Current Assets, on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(1,588) million is classified as Deferred income taxes, and $9 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

As discussed further in Note 14, Duke Energy Ohio participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Ohio has been allocated accrued pension and other post-retirement benefit obligations of $213 million at June 30, 2011 and $211 million at December 31, 2010. These amounts have been classified in the Condensed Consolidated Balance Sheets as follows:

	June  30, 2011		December  31, 2010
	(in millions)
Other current liabilities	$	4	$	4
Accrued pension and other post-retirement benefit costs		209		207

Other Related Party Amounts

	Three months ended					Six months ended
	June 30, 2011			June 30, 2010		June 30, 2011			June 30, 2010
	(in millions)
Corporate governance and shared service expenses(a)	$	91		$	55	$	186		$	158
Indemnification coverages(b)		4			4		8			9
Rental income and other charged expenses, net(c)		—	(e)		1		—	(e)		2
Cinergy receivables interest income(d)		3			3		7			8

(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.

(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.

(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) As discussed in Note 11, certain trade receivables have been sold by Duke Energy Ohio to Cinergy Receivables, a consolidated entity formed by Cinergy. The proceeds obtained from the sales of receivables are largely cash but do include a subordinated note from Cinergy Receivables 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.

(e) For the three and six months ended June 30, 2011, net rental income was insignificant.

As discussed further in Note 6, Duke Energy Ohio participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations was insignificant for each of the three and six months ended June 30, 2011 and 2010. Interest expense associated with money pool activity is recorded in Interest Expense on the Condensed Consolidated Statements of Operations was insignificant for each of the three and six months ended June 30, 2011 and 2010.

Duke Energy Ohio enters into certain derivative positions on behalf of Duke Energy Retail, a consolidated affiliate of Duke Energy. These contracts are undesignated, thus the mark-to-market impacts of these contracts are reflected in Duke Energy Ohio's Condensed Consolidated Statements of Operations. See Note 8 for additional information.

DECAM conducts hedging activities for certain of Duke Energy's non-regulated entities. DECAM meets its funding needs through an intercompany loan agreement from Duke Energy Ohio's parent entity, Cinergy. The intercompany loan was executed in February 2011. DECAM had no outstanding intercompany loan balance with Cinergy as of June 30, 2011.

In March 2011, Duke Energy Ohio paid a $285 million dividend to its parent, Cinergy.

Duke Energy Indiana

Duke Energy Indiana engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of June 30, 2011 and December 31, 2010 are as follows:

	June 30, 2011(a)			December 31, 2010(a)
	(in millions)
Current assets (b)	$	47		$	51
Current liabilities(c)		(57	)		(69	)
Non-current liabilities(d)		(19	)		(20	)
Net deferred tax liabilities(e)		(970	)		(932	)

(a) Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits, Cinergy Receivables and money pool arrangements as discussed below.

(b) Of the balance at June 30, 2011, $34 million is classified as Receivables and $13 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $27 million is classified as Receivables and $24 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

(c) Of the balance at June 30, 2011, $(55) million is classified as Accounts payable and $(2) million is classified as Taxes accrued on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(67) million is classified as Accounts payable and $(2) million is classified as Taxes accrued on the Condensed Consolidated Balance Sheets.

(d) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets.

(e) Of the balance at June 30, 2011, $(1,009) million is classified as Deferred income taxes and $39 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(973) million is classified as Deferred income taxes and $41 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

As discussed further in Note 14, Duke Energy Indiana participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Indiana has been allocated accrued pension and other post-retirement benefit obligations of $267 million at June 30, 2011 and $272 million at December 31, 2010. These amounts have been classified in the Condensed Consolidated Balance Sheets as follows:

	June  30, 2011		December  31, 2010
	(in millions)
Other current liabilities	$	2	$	2
Accrued pension and other post-retirement benefit costs		265		270

Other Related Party Amounts

	Three months ended				Six months ended
	June 30, 2011		June 30, 2010		June 30, 2011		June 30, 2010
	(in millions)
Corporate governance and shared service expenses(a)	$	99	$	92	$	206	$	176
Indemnification coverages(b)		2		2		4		4
Rental income and other charged expenses, net(c)		2		3		3		4
Cinergy receivables interest income(d)		3		3		7		6

(a) Duke Energy Indiana 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.

(b) Duke Energy Indiana 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.

(c) Duke Energy Indiana 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) As discussed in Note 11, certain trade receivables have been sold by Duke Energy Indiana to Cinergy Receivables, a consolidated entity formed by Cinergy. The proceeds obtained from the sales of receivables are largely cash but do include a subordinated note from Cinergy Receivables 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.

As discussed further in Note 6, Duke Energy Indiana participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations was insignificant for each of the three and six months ended June 30, 2011 and 2010. Interest expense associated with money pool activity is recorded in Interest Expense on the Condensed Consolidated Statements of Operations. For each of the three and six months ended June 30, 2011 and 2010 interest expense was insignificant.

In February 2010, Duke Energy Indiana received a $225 million capital contribution from its parent, Cinergy. In June 2010, Duke Energy Indiana received a $125 million capital contribution from its parent, Cinergy.

Duke Energy Corp [Member]

Related Party Transactions

17. Related Party Transactions

Duke Energy Carolinas

Duke Energy Carolinas engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of June 30, 2011 and December 31, 2010 are as follows:

Assets/(Liabilities)

	June 30, 2011(a)			December 31, 2010(a)
	(in millions)
Current assets (b)	$	57		$	293
Non-current assets(c)		110			104
Current liabilities(d)		(114	)		(195	)
Non-current liabilities(e)		(42	)		(93	)
Net deferred tax liabilities(f)		(4,244	)		(3,906	)

(a) Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits and with money pool arrangements as discussed below.

(b) Of the balances at June 30, 2011, $4 million is classified as Receivables and $53 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balances at December 31, 2010, $90 million is classified as Receivables and $203 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

(c) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Investments and Other Assets on the Condensed Consolidated Balance Sheets.

(d) The balances at June 30, 2011, and December 31, 2010, are classified as Accounts payable on the Condensed Consolidated Balance Sheets.

(e) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets.

(f) Of the balance at June 30, 2011, $(4,302) million is classified as Deferred income taxes and $58 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(3,988) million is classified as Deferred income taxes and $82 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

As discussed further in Note 14, Duke Energy Carolinas participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Carolinas has been allocated accrued pension and other post-retirement benefit obligations of $252 million as of both June 30, 2011 and December 31, 2010. This amount has been classified in the Consolidated Balance Sheets as follows:

	June 30, 2011		December 31, 2010
	(in millions)
Other current liabilities	$	10	$	10
Accrued pension and other post-retirement benefit costs		242		242

Other Related Party Amounts

	Three months ended						Six months ended
	June 30, 2011			June 30, 2010			June 30, 2011			June 30, 2010
	(in millions)
Corporate governance and shared service expenses(a)	$	251		$	234		$	504		$	468
Indemnification coverages(b)		5			6			10			12
Rental income and other charged expenses, net(c)		(2	)		(1	)		(4	)		2

(a) Duke Energy Carolinas 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.

(b) Duke Energy Carolinas 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.

(c) Duke Energy Carolinas 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.

As discussed further in Note 6, Duke Energy Carolinas participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was insignificant for each of the three and six months ended June 30, 2011 and 2010. Interest expense associated with money pool activity is recorded in Interest Expense on the Condensed Consolidated Statements of Operations was insignificant for the three and six months ended June 30, 2011 and 2010.

In February 2010, Duke Energy Carolinas made a $200 million distribution to its parent, Duke Energy. In June 2010, Duke Energy Carolinas made a $150 million distribution to its parent, Duke Energy.

Duke Energy Ohio

Duke Energy Ohio engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of June 30, 2011 and December 31, 2010 are as follows:

	June 30, 2011(a)			December 31, 2010(a)
	(in millions)
Current assets (b)	$	24		$	82
Non-current assets(c)		8			15
Current liabilities(d)		(22	)		(86	)
Non-current liabilities(e)		(25	)		(42	)
Net deferred tax liabilities(f)		(1,668	)		(1,579	)

(a) Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits, Cinergy Receivables and money pool arrangements as discussed below.

(b) Of the balance at June 30, 2011, $13 million is classified as Receivables and $11 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $24 million is classified as Receivables and $58 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

(c) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Investments and Other Assets on the Condensed Consolidated Balance Sheets.

(d) Of the balance at June 30, 2011, ($58) million is classified as Accounts payable, $38 million is classified as Taxes accrued and ($2) million is classified as Other within Current Liabilities on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(83) million is classified as Accounts payable and $(3) million is classified as Other within Current Liabilities on the Condensed Consolidated Balance Sheets.

(e) The balances at June 30, 2011 and December 31, 2010, are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets.

(f) Of the balance at June 30, 2011, $(1,675) million is classified as Deferred income taxes, and $7 million is classified as Other within Current Assets, on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(1,588) million is classified as Deferred income taxes, and $9 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

As discussed further in Note 14, Duke Energy Ohio participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Ohio has been allocated accrued pension and other post-retirement benefit obligations of $213 million at June 30, 2011 and $211 million at December 31, 2010. These amounts have been classified in the Condensed Consolidated Balance Sheets as follows:

	June  30, 2011		December  31, 2010
	(in millions)
Other current liabilities	$	4	$	4
Accrued pension and other post-retirement benefit costs		209		207

Other Related Party Amounts

	Three months ended					Six months ended
	June 30, 2011			June 30, 2010		June 30, 2011			June 30, 2010
	(in millions)
Corporate governance and shared service expenses(a)	$	91		$	55	$	186		$	158
Indemnification coverages(b)		4			4		8			9
Rental income and other charged expenses, net(c)		—	(e)		1		—	(e)		2
Cinergy receivables interest income(d)		3			3		7			8

(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.

(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.

(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) As discussed in Note 11, certain trade receivables have been sold by Duke Energy Ohio to Cinergy Receivables, a consolidated entity formed by Cinergy. The proceeds obtained from the sales of receivables are largely cash but do include a subordinated note from Cinergy Receivables 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.

(e) For the three and six months ended June 30, 2011, net rental income was insignificant.

As discussed further in Note 6, Duke Energy Ohio participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations was insignificant for each of the three and six months ended June 30, 2011 and 2010. Interest expense associated with money pool activity is recorded in Interest Expense on the Condensed Consolidated Statements of Operations was insignificant for each of the three and six months ended June 30, 2011 and 2010.

Duke Energy Ohio enters into certain derivative positions on behalf of Duke Energy Retail, a consolidated affiliate of Duke Energy. These contracts are undesignated, thus the mark-to-market impacts of these contracts are reflected in Duke Energy Ohio's Condensed Consolidated Statements of Operations. See Note 8 for additional information.

DECAM conducts hedging activities for certain of Duke Energy's non-regulated entities. DECAM meets its funding needs through an intercompany loan agreement from Duke Energy Ohio's parent entity, Cinergy. The intercompany loan was executed in February 2011. DECAM had no outstanding intercompany loan balance with Cinergy as of June 30, 2011.

In March 2011, Duke Energy Ohio paid a $285 million dividend to its parent, Cinergy.

Duke Energy Indiana

Duke Energy Indiana engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of June 30, 2011 and December 31, 2010 are as follows:

	June 30, 2011(a)			December 31, 2010(a)
	(in millions)
Current assets (b)	$	47		$	51
Current liabilities(c)		(57	)		(69	)
Non-current liabilities(d)		(19	)		(20	)
Net deferred tax liabilities(e)		(970	)		(932	)

(a) Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits, Cinergy Receivables and money pool arrangements as discussed below.

(b) Of the balance at June 30, 2011, $34 million is classified as Receivables and $13 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $27 million is classified as Receivables and $24 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

(c) Of the balance at June 30, 2011, $(55) million is classified as Accounts payable and $(2) million is classified as Taxes accrued on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(67) million is classified as Accounts payable and $(2) million is classified as Taxes accrued on the Condensed Consolidated Balance Sheets.

(d) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets.

(e) Of the balance at June 30, 2011, $(1,009) million is classified as Deferred income taxes and $39 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(973) million is classified as Deferred income taxes and $41 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

As discussed further in Note 14, Duke Energy Indiana participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Indiana has been allocated accrued pension and other post-retirement benefit obligations of $267 million at June 30, 2011 and $272 million at December 31, 2010. These amounts have been classified in the Condensed Consolidated Balance Sheets as follows:

	June  30, 2011		December  31, 2010
	(in millions)
Other current liabilities	$	2	$	2
Accrued pension and other post-retirement benefit costs		265		270

Other Related Party Amounts

	Three months ended				Six months ended
	June 30, 2011		June 30, 2010		June 30, 2011		June 30, 2010
	(in millions)
Corporate governance and shared service expenses(a)	$	99	$	92	$	206	$	176
Indemnification coverages(b)		2		2		4		4
Rental income and other charged expenses, net(c)		2		3		3		4
Cinergy receivables interest income(d)		3		3		7		6

(a) Duke Energy Indiana 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.

(b) Duke Energy Indiana 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.

(c) Duke Energy Indiana 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) As discussed in Note 11, certain trade receivables have been sold by Duke Energy Indiana to Cinergy Receivables, a consolidated entity formed by Cinergy. The proceeds obtained from the sales of receivables are largely cash but do include a subordinated note from Cinergy Receivables 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.

As discussed further in Note 6, Duke Energy Indiana participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations was insignificant for each of the three and six months ended June 30, 2011 and 2010. Interest expense associated with money pool activity is recorded in Interest Expense on the Condensed Consolidated Statements of Operations. For each of the three and six months ended June 30, 2011 and 2010 interest expense was insignificant.

In February 2010, Duke Energy Indiana received a $225 million capital contribution from its parent, Cinergy. In June 2010, Duke Energy Indiana received a $125 million capital contribution from its parent, Cinergy.

Duke Energy Carolinas [Member]

Related Party Transactions

17. Related Party Transactions

Duke Energy Carolinas

Duke Energy Carolinas engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of June 30, 2011 and December 31, 2010 are as follows:

Assets/(Liabilities)

	June 30, 2011(a)			December 31, 2010(a)
	(in millions)
Current assets (b)	$	57		$	293
Non-current assets(c)		110			104
Current liabilities(d)		(114	)		(195	)
Non-current liabilities(e)		(42	)		(93	)
Net deferred tax liabilities(f)		(4,244	)		(3,906	)

(a) Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits and with money pool arrangements as discussed below.

(b) Of the balances at June 30, 2011, $4 million is classified as Receivables and $53 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balances at December 31, 2010, $90 million is classified as Receivables and $203 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

(c) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Investments and Other Assets on the Condensed Consolidated Balance Sheets.

(d) The balances at June 30, 2011, and December 31, 2010, are classified as Accounts payable on the Condensed Consolidated Balance Sheets.

(e) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets.

(f) Of the balance at June 30, 2011, $(4,302) million is classified as Deferred income taxes and $58 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(3,988) million is classified as Deferred income taxes and $82 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

As discussed further in Note 14, Duke Energy Carolinas participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Carolinas has been allocated accrued pension and other post-retirement benefit obligations of $252 million as of both June 30, 2011 and December 31, 2010. This amount has been classified in the Consolidated Balance Sheets as follows:

	June 30, 2011		December 31, 2010
	(in millions)
Other current liabilities	$	10	$	10
Accrued pension and other post-retirement benefit costs		242		242

Other Related Party Amounts

	Three months ended						Six months ended
	June 30, 2011			June 30, 2010			June 30, 2011			June 30, 2010
	(in millions)
Corporate governance and shared service expenses(a)	$	251		$	234		$	504		$	468
Indemnification coverages(b)		5			6			10			12
Rental income and other charged expenses, net(c)		(2	)		(1	)		(4	)		2

(a) Duke Energy Carolinas 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.

(b) Duke Energy Carolinas 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.

(c) Duke Energy Carolinas 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.

As discussed further in Note 6, Duke Energy Carolinas participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was insignificant for each of the three and six months ended June 30, 2011 and 2010. Interest expense associated with money pool activity is recorded in Interest Expense on the Condensed Consolidated Statements of Operations was insignificant for the three and six months ended June 30, 2011 and 2010.

In February 2010, Duke Energy Carolinas made a $200 million distribution to its parent, Duke Energy. In June 2010, Duke Energy Carolinas made a $150 million distribution to its parent, Duke Energy.

Duke Energy Ohio

Duke Energy Ohio engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of June 30, 2011 and December 31, 2010 are as follows:

	June 30, 2011(a)			December 31, 2010(a)
	(in millions)
Current assets (b)	$	24		$	82
Non-current assets(c)		8			15
Current liabilities(d)		(22	)		(86	)
Non-current liabilities(e)		(25	)		(42	)
Net deferred tax liabilities(f)		(1,668	)		(1,579	)

(a) Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits, Cinergy Receivables and money pool arrangements as discussed below.

(b) Of the balance at June 30, 2011, $13 million is classified as Receivables and $11 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $24 million is classified as Receivables and $58 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

(c) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Investments and Other Assets on the Condensed Consolidated Balance Sheets.

(d) Of the balance at June 30, 2011, ($58) million is classified as Accounts payable, $38 million is classified as Taxes accrued and ($2) million is classified as Other within Current Liabilities on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(83) million is classified as Accounts payable and $(3) million is classified as Other within Current Liabilities on the Condensed Consolidated Balance Sheets.

(e) The balances at June 30, 2011 and December 31, 2010, are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets.

(f) Of the balance at June 30, 2011, $(1,675) million is classified as Deferred income taxes, and $7 million is classified as Other within Current Assets, on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(1,588) million is classified as Deferred income taxes, and $9 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

As discussed further in Note 14, Duke Energy Ohio participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Ohio has been allocated accrued pension and other post-retirement benefit obligations of $213 million at June 30, 2011 and $211 million at December 31, 2010. These amounts have been classified in the Condensed Consolidated Balance Sheets as follows:

	June  30, 2011		December  31, 2010
	(in millions)
Other current liabilities	$	4	$	4
Accrued pension and other post-retirement benefit costs		209		207

Other Related Party Amounts

	Three months ended					Six months ended
	June 30, 2011			June 30, 2010		June 30, 2011			June 30, 2010
	(in millions)
Corporate governance and shared service expenses(a)	$	91		$	55	$	186		$	158
Indemnification coverages(b)		4			4		8			9
Rental income and other charged expenses, net(c)		—	(e)		1		—	(e)		2
Cinergy receivables interest income(d)		3			3		7			8

(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.

(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.

(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) As discussed in Note 11, certain trade receivables have been sold by Duke Energy Ohio to Cinergy Receivables, a consolidated entity formed by Cinergy. The proceeds obtained from the sales of receivables are largely cash but do include a subordinated note from Cinergy Receivables 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.

(e) For the three and six months ended June 30, 2011, net rental income was insignificant.

As discussed further in Note 6, Duke Energy Ohio participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations was insignificant for each of the three and six months ended June 30, 2011 and 2010. Interest expense associated with money pool activity is recorded in Interest Expense on the Condensed Consolidated Statements of Operations was insignificant for each of the three and six months ended June 30, 2011 and 2010.

Duke Energy Ohio enters into certain derivative positions on behalf of Duke Energy Retail, a consolidated affiliate of Duke Energy. These contracts are undesignated, thus the mark-to-market impacts of these contracts are reflected in Duke Energy Ohio's Condensed Consolidated Statements of Operations. See Note 8 for additional information.

DECAM conducts hedging activities for certain of Duke Energy's non-regulated entities. DECAM meets its funding needs through an intercompany loan agreement from Duke Energy Ohio's parent entity, Cinergy. The intercompany loan was executed in February 2011. DECAM had no outstanding intercompany loan balance with Cinergy as of June 30, 2011.

In March 2011, Duke Energy Ohio paid a $285 million dividend to its parent, Cinergy.

Duke Energy Indiana

Duke Energy Indiana engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of June 30, 2011 and December 31, 2010 are as follows:

	June 30, 2011(a)			December 31, 2010(a)
	(in millions)
Current assets (b)	$	47		$	51
Current liabilities(c)		(57	)		(69	)
Non-current liabilities(d)		(19	)		(20	)
Net deferred tax liabilities(e)		(970	)		(932	)

(a) Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits, Cinergy Receivables and money pool arrangements as discussed below.

(b) Of the balance at June 30, 2011, $34 million is classified as Receivables and $13 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $27 million is classified as Receivables and $24 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

(c) Of the balance at June 30, 2011, $(55) million is classified as Accounts payable and $(2) million is classified as Taxes accrued on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(67) million is classified as Accounts payable and $(2) million is classified as Taxes accrued on the Condensed Consolidated Balance Sheets.

(d) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets.

(e) Of the balance at June 30, 2011, $(1,009) million is classified as Deferred income taxes and $39 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(973) million is classified as Deferred income taxes and $41 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

As discussed further in Note 14, Duke Energy Indiana participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Indiana has been allocated accrued pension and other post-retirement benefit obligations of $267 million at June 30, 2011 and $272 million at December 31, 2010. These amounts have been classified in the Condensed Consolidated Balance Sheets as follows:

	June  30, 2011		December  31, 2010
	(in millions)
Other current liabilities	$	2	$	2
Accrued pension and other post-retirement benefit costs		265		270

Other Related Party Amounts

	Three months ended				Six months ended
	June 30, 2011		June 30, 2010		June 30, 2011		June 30, 2010
	(in millions)
Corporate governance and shared service expenses(a)	$	99	$	92	$	206	$	176
Indemnification coverages(b)		2		2		4		4
Rental income and other charged expenses, net(c)		2		3		3		4
Cinergy receivables interest income(d)		3		3		7		6

(a) Duke Energy Indiana 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.

(b) Duke Energy Indiana 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.

(c) Duke Energy Indiana 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) As discussed in Note 11, certain trade receivables have been sold by Duke Energy Indiana to Cinergy Receivables, a consolidated entity formed by Cinergy. The proceeds obtained from the sales of receivables are largely cash but do include a subordinated note from Cinergy Receivables 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.

As discussed further in Note 6, Duke Energy Indiana participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations was insignificant for each of the three and six months ended June 30, 2011 and 2010. Interest expense associated with money pool activity is recorded in Interest Expense on the Condensed Consolidated Statements of Operations. For each of the three and six months ended June 30, 2011 and 2010 interest expense was insignificant.

In February 2010, Duke Energy Indiana received a $225 million capital contribution from its parent, Cinergy. In June 2010, Duke Energy Indiana received a $125 million capital contribution from its parent, Cinergy.

Duke Energy Ohio [Member]

Related Party Transactions

17. Related Party Transactions

Duke Energy Carolinas

Duke Energy Carolinas engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of June 30, 2011 and December 31, 2010 are as follows:

Assets/(Liabilities)

	June 30, 2011(a)			December 31, 2010(a)
	(in millions)
Current assets (b)	$	57		$	293
Non-current assets(c)		110			104
Current liabilities(d)		(114	)		(195	)
Non-current liabilities(e)		(42	)		(93	)
Net deferred tax liabilities(f)		(4,244	)		(3,906	)

(a) Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits and with money pool arrangements as discussed below.

(b) Of the balances at June 30, 2011, $4 million is classified as Receivables and $53 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balances at December 31, 2010, $90 million is classified as Receivables and $203 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

(c) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Investments and Other Assets on the Condensed Consolidated Balance Sheets.

(d) The balances at June 30, 2011, and December 31, 2010, are classified as Accounts payable on the Condensed Consolidated Balance Sheets.

(e) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets.

(f) Of the balance at June 30, 2011, $(4,302) million is classified as Deferred income taxes and $58 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(3,988) million is classified as Deferred income taxes and $82 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

As discussed further in Note 14, Duke Energy Carolinas participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Carolinas has been allocated accrued pension and other post-retirement benefit obligations of $252 million as of both June 30, 2011 and December 31, 2010. This amount has been classified in the Consolidated Balance Sheets as follows:

	June 30, 2011		December 31, 2010
	(in millions)
Other current liabilities	$	10	$	10
Accrued pension and other post-retirement benefit costs		242		242

Other Related Party Amounts

	Three months ended						Six months ended
	June 30, 2011			June 30, 2010			June 30, 2011			June 30, 2010
	(in millions)
Corporate governance and shared service expenses(a)	$	251		$	234		$	504		$	468
Indemnification coverages(b)		5			6			10			12
Rental income and other charged expenses, net(c)		(2	)		(1	)		(4	)		2

(a) Duke Energy Carolinas 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.

(b) Duke Energy Carolinas 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.

(c) Duke Energy Carolinas 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.

As discussed further in Note 6, Duke Energy Carolinas participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was insignificant for each of the three and six months ended June 30, 2011 and 2010. Interest expense associated with money pool activity is recorded in Interest Expense on the Condensed Consolidated Statements of Operations was insignificant for the three and six months ended June 30, 2011 and 2010.

In February 2010, Duke Energy Carolinas made a $200 million distribution to its parent, Duke Energy. In June 2010, Duke Energy Carolinas made a $150 million distribution to its parent, Duke Energy.

Duke Energy Ohio

Duke Energy Ohio engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of June 30, 2011 and December 31, 2010 are as follows:

	June 30, 2011(a)			December 31, 2010(a)
	(in millions)
Current assets (b)	$	24		$	82
Non-current assets(c)		8			15
Current liabilities(d)		(22	)		(86	)
Non-current liabilities(e)		(25	)		(42	)
Net deferred tax liabilities(f)		(1,668	)		(1,579	)

(a) Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits, Cinergy Receivables and money pool arrangements as discussed below.

(b) Of the balance at June 30, 2011, $13 million is classified as Receivables and $11 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $24 million is classified as Receivables and $58 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

(c) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Investments and Other Assets on the Condensed Consolidated Balance Sheets.

(d) Of the balance at June 30, 2011, ($58) million is classified as Accounts payable, $38 million is classified as Taxes accrued and ($2) million is classified as Other within Current Liabilities on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(83) million is classified as Accounts payable and $(3) million is classified as Other within Current Liabilities on the Condensed Consolidated Balance Sheets.

(e) The balances at June 30, 2011 and December 31, 2010, are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets.

(f) Of the balance at June 30, 2011, $(1,675) million is classified as Deferred income taxes, and $7 million is classified as Other within Current Assets, on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(1,588) million is classified as Deferred income taxes, and $9 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

As discussed further in Note 14, Duke Energy Ohio participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Ohio has been allocated accrued pension and other post-retirement benefit obligations of $213 million at June 30, 2011 and $211 million at December 31, 2010. These amounts have been classified in the Condensed Consolidated Balance Sheets as follows:

	June  30, 2011		December  31, 2010
	(in millions)
Other current liabilities	$	4	$	4
Accrued pension and other post-retirement benefit costs		209		207

Other Related Party Amounts

	Three months ended					Six months ended
	June 30, 2011			June 30, 2010		June 30, 2011			June 30, 2010
	(in millions)
Corporate governance and shared service expenses(a)	$	91		$	55	$	186		$	158
Indemnification coverages(b)		4			4		8			9
Rental income and other charged expenses, net(c)		—	(e)		1		—	(e)		2
Cinergy receivables interest income(d)		3			3		7			8

(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.

(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.

(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) As discussed in Note 11, certain trade receivables have been sold by Duke Energy Ohio to Cinergy Receivables, a consolidated entity formed by Cinergy. The proceeds obtained from the sales of receivables are largely cash but do include a subordinated note from Cinergy Receivables 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.

(e) For the three and six months ended June 30, 2011, net rental income was insignificant.

As discussed further in Note 6, Duke Energy Ohio participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations was insignificant for each of the three and six months ended June 30, 2011 and 2010. Interest expense associated with money pool activity is recorded in Interest Expense on the Condensed Consolidated Statements of Operations was insignificant for each of the three and six months ended June 30, 2011 and 2010.

Duke Energy Ohio enters into certain derivative positions on behalf of Duke Energy Retail, a consolidated affiliate of Duke Energy. These contracts are undesignated, thus the mark-to-market impacts of these contracts are reflected in Duke Energy Ohio's Condensed Consolidated Statements of Operations. See Note 8 for additional information.

DECAM conducts hedging activities for certain of Duke Energy's non-regulated entities. DECAM meets its funding needs through an intercompany loan agreement from Duke Energy Ohio's parent entity, Cinergy. The intercompany loan was executed in February 2011. DECAM had no outstanding intercompany loan balance with Cinergy as of June 30, 2011.

In March 2011, Duke Energy Ohio paid a $285 million dividend to its parent, Cinergy.

Duke Energy Indiana

Duke Energy Indiana engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of June 30, 2011 and December 31, 2010 are as follows:

	June 30, 2011(a)			December 31, 2010(a)
	(in millions)
Current assets (b)	$	47		$	51
Current liabilities(c)		(57	)		(69	)
Non-current liabilities(d)		(19	)		(20	)
Net deferred tax liabilities(e)		(970	)		(932	)

(a) Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits, Cinergy Receivables and money pool arrangements as discussed below.

(b) Of the balance at June 30, 2011, $34 million is classified as Receivables and $13 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $27 million is classified as Receivables and $24 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

(c) Of the balance at June 30, 2011, $(55) million is classified as Accounts payable and $(2) million is classified as Taxes accrued on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(67) million is classified as Accounts payable and $(2) million is classified as Taxes accrued on the Condensed Consolidated Balance Sheets.

(d) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets.

(e) Of the balance at June 30, 2011, $(1,009) million is classified as Deferred income taxes and $39 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(973) million is classified as Deferred income taxes and $41 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

As discussed further in Note 14, Duke Energy Indiana participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Indiana has been allocated accrued pension and other post-retirement benefit obligations of $267 million at June 30, 2011 and $272 million at December 31, 2010. These amounts have been classified in the Condensed Consolidated Balance Sheets as follows:

	June  30, 2011		December  31, 2010
	(in millions)
Other current liabilities	$	2	$	2
Accrued pension and other post-retirement benefit costs		265		270

Other Related Party Amounts

	Three months ended				Six months ended
	June 30, 2011		June 30, 2010		June 30, 2011		June 30, 2010
	(in millions)
Corporate governance and shared service expenses(a)	$	99	$	92	$	206	$	176
Indemnification coverages(b)		2		2		4		4
Rental income and other charged expenses, net(c)		2		3		3		4
Cinergy receivables interest income(d)		3		3		7		6

(a) Duke Energy Indiana 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.

(b) Duke Energy Indiana 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.

(c) Duke Energy Indiana 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) As discussed in Note 11, certain trade receivables have been sold by Duke Energy Indiana to Cinergy Receivables, a consolidated entity formed by Cinergy. The proceeds obtained from the sales of receivables are largely cash but do include a subordinated note from Cinergy Receivables 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.

As discussed further in Note 6, Duke Energy Indiana participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations was insignificant for each of the three and six months ended June 30, 2011 and 2010. Interest expense associated with money pool activity is recorded in Interest Expense on the Condensed Consolidated Statements of Operations. For each of the three and six months ended June 30, 2011 and 2010 interest expense was insignificant.

In February 2010, Duke Energy Indiana received a $225 million capital contribution from its parent, Cinergy. In June 2010, Duke Energy Indiana received a $125 million capital contribution from its parent, Cinergy.

Duke Energy Indiana [Member]

Related Party Transactions

17. Related Party Transactions

Duke Energy Carolinas

Duke Energy Carolinas engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of June 30, 2011 and December 31, 2010 are as follows:

Assets/(Liabilities)

	June 30, 2011(a)			December 31, 2010(a)
	(in millions)
Current assets (b)	$	57		$	293
Non-current assets(c)		110			104
Current liabilities(d)		(114	)		(195	)
Non-current liabilities(e)		(42	)		(93	)
Net deferred tax liabilities(f)		(4,244	)		(3,906	)

(a) Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits and with money pool arrangements as discussed below.

(b) Of the balances at June 30, 2011, $4 million is classified as Receivables and $53 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balances at December 31, 2010, $90 million is classified as Receivables and $203 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

(c) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Investments and Other Assets on the Condensed Consolidated Balance Sheets.

(d) The balances at June 30, 2011, and December 31, 2010, are classified as Accounts payable on the Condensed Consolidated Balance Sheets.

(e) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets.

(f) Of the balance at June 30, 2011, $(4,302) million is classified as Deferred income taxes and $58 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(3,988) million is classified as Deferred income taxes and $82 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

As discussed further in Note 14, Duke Energy Carolinas participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Carolinas has been allocated accrued pension and other post-retirement benefit obligations of $252 million as of both June 30, 2011 and December 31, 2010. This amount has been classified in the Consolidated Balance Sheets as follows:

	June 30, 2011		December 31, 2010
	(in millions)
Other current liabilities	$	10	$	10
Accrued pension and other post-retirement benefit costs		242		242

Other Related Party Amounts

	Three months ended						Six months ended
	June 30, 2011			June 30, 2010			June 30, 2011			June 30, 2010
	(in millions)
Corporate governance and shared service expenses(a)	$	251		$	234		$	504		$	468
Indemnification coverages(b)		5			6			10			12
Rental income and other charged expenses, net(c)		(2	)		(1	)		(4	)		2

(a) Duke Energy Carolinas 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.

(b) Duke Energy Carolinas 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.

(c) Duke Energy Carolinas 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.

As discussed further in Note 6, Duke Energy Carolinas participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was insignificant for each of the three and six months ended June 30, 2011 and 2010. Interest expense associated with money pool activity is recorded in Interest Expense on the Condensed Consolidated Statements of Operations was insignificant for the three and six months ended June 30, 2011 and 2010.

In February 2010, Duke Energy Carolinas made a $200 million distribution to its parent, Duke Energy. In June 2010, Duke Energy Carolinas made a $150 million distribution to its parent, Duke Energy.

Duke Energy Ohio

Duke Energy Ohio engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of June 30, 2011 and December 31, 2010 are as follows:

	June 30, 2011(a)			December 31, 2010(a)
	(in millions)
Current assets (b)	$	24		$	82
Non-current assets(c)		8			15
Current liabilities(d)		(22	)		(86	)
Non-current liabilities(e)		(25	)		(42	)
Net deferred tax liabilities(f)		(1,668	)		(1,579	)

(a) Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits, Cinergy Receivables and money pool arrangements as discussed below.

(b) Of the balance at June 30, 2011, $13 million is classified as Receivables and $11 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $24 million is classified as Receivables and $58 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

(c) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Investments and Other Assets on the Condensed Consolidated Balance Sheets.

(d) Of the balance at June 30, 2011, ($58) million is classified as Accounts payable, $38 million is classified as Taxes accrued and ($2) million is classified as Other within Current Liabilities on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(83) million is classified as Accounts payable and $(3) million is classified as Other within Current Liabilities on the Condensed Consolidated Balance Sheets.

(e) The balances at June 30, 2011 and December 31, 2010, are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets.

(f) Of the balance at June 30, 2011, $(1,675) million is classified as Deferred income taxes, and $7 million is classified as Other within Current Assets, on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(1,588) million is classified as Deferred income taxes, and $9 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

As discussed further in Note 14, Duke Energy Ohio participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Ohio has been allocated accrued pension and other post-retirement benefit obligations of $213 million at June 30, 2011 and $211 million at December 31, 2010. These amounts have been classified in the Condensed Consolidated Balance Sheets as follows:

	June  30, 2011		December  31, 2010
	(in millions)
Other current liabilities	$	4	$	4
Accrued pension and other post-retirement benefit costs		209		207

Other Related Party Amounts

	Three months ended					Six months ended
	June 30, 2011			June 30, 2010		June 30, 2011			June 30, 2010
	(in millions)
Corporate governance and shared service expenses(a)	$	91		$	55	$	186		$	158
Indemnification coverages(b)		4			4		8			9
Rental income and other charged expenses, net(c)		—	(e)		1		—	(e)		2
Cinergy receivables interest income(d)		3			3		7			8

(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.

(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.

(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) As discussed in Note 11, certain trade receivables have been sold by Duke Energy Ohio to Cinergy Receivables, a consolidated entity formed by Cinergy. The proceeds obtained from the sales of receivables are largely cash but do include a subordinated note from Cinergy Receivables 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.

(e) For the three and six months ended June 30, 2011, net rental income was insignificant.

As discussed further in Note 6, Duke Energy Ohio participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations was insignificant for each of the three and six months ended June 30, 2011 and 2010. Interest expense associated with money pool activity is recorded in Interest Expense on the Condensed Consolidated Statements of Operations was insignificant for each of the three and six months ended June 30, 2011 and 2010.

Duke Energy Ohio enters into certain derivative positions on behalf of Duke Energy Retail, a consolidated affiliate of Duke Energy. These contracts are undesignated, thus the mark-to-market impacts of these contracts are reflected in Duke Energy Ohio's Condensed Consolidated Statements of Operations. See Note 8 for additional information.

DECAM conducts hedging activities for certain of Duke Energy's non-regulated entities. DECAM meets its funding needs through an intercompany loan agreement from Duke Energy Ohio's parent entity, Cinergy. The intercompany loan was executed in February 2011. DECAM had no outstanding intercompany loan balance with Cinergy as of June 30, 2011.

In March 2011, Duke Energy Ohio paid a $285 million dividend to its parent, Cinergy.

Duke Energy Indiana

Duke Energy Indiana engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of June 30, 2011 and December 31, 2010 are as follows:

	June 30, 2011(a)			December 31, 2010(a)
	(in millions)
Current assets (b)	$	47		$	51
Current liabilities(c)		(57	)		(69	)
Non-current liabilities(d)		(19	)		(20	)
Net deferred tax liabilities(e)		(970	)		(932	)

(a) Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits, Cinergy Receivables and money pool arrangements as discussed below.

(b) Of the balance at June 30, 2011, $34 million is classified as Receivables and $13 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $27 million is classified as Receivables and $24 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

(c) Of the balance at June 30, 2011, $(55) million is classified as Accounts payable and $(2) million is classified as Taxes accrued on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(67) million is classified as Accounts payable and $(2) million is classified as Taxes accrued on the Condensed Consolidated Balance Sheets.

(d) The balances at June 30, 2011 and December 31, 2010 are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets.

(e) Of the balance at June 30, 2011, $(1,009) million is classified as Deferred income taxes and $39 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2010, $(973) million is classified as Deferred income taxes and $41 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets.

As discussed further in Note 14, Duke Energy Indiana participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Indiana has been allocated accrued pension and other post-retirement benefit obligations of $267 million at June 30, 2011 and $272 million at December 31, 2010. These amounts have been classified in the Condensed Consolidated Balance Sheets as follows:

	June  30, 2011		December  31, 2010
	(in millions)
Other current liabilities	$	2	$	2
Accrued pension and other post-retirement benefit costs		265		270

Other Related Party Amounts

	Three months ended				Six months ended
	June 30, 2011		June 30, 2010		June 30, 2011		June 30, 2010
	(in millions)
Corporate governance and shared service expenses(a)	$	99	$	92	$	206	$	176
Indemnification coverages(b)		2		2		4		4
Rental income and other charged expenses, net(c)		2		3		3		4
Cinergy receivables interest income(d)		3		3		7		6

(a) Duke Energy Indiana 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.

(b) Duke Energy Indiana 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.

(c) Duke Energy Indiana 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) As discussed in Note 11, certain trade receivables have been sold by Duke Energy Indiana to Cinergy Receivables, a consolidated entity formed by Cinergy. The proceeds obtained from the sales of receivables are largely cash but do include a subordinated note from Cinergy Receivables 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.

As discussed further in Note 6, Duke Energy Indiana participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations was insignificant for each of the three and six months ended June 30, 2011 and 2010. Interest expense associated with money pool activity is recorded in Interest Expense on the Condensed Consolidated Statements of Operations. For each of the three and six months ended June 30, 2011 and 2010 interest expense was insignificant.

In February 2010, Duke Energy Indiana received a $225 million capital contribution from its parent, Cinergy. In June 2010, Duke Energy Indiana received a $125 million capital contribution from its parent, Cinergy.