Exhibit 99.1

2nd Quarter 2013 Statistical Supplement

CONTENTS

2	DUKE ENERGY CORPORATION
	2	Consolidating Statement of Operations
	4	Consolidating Balance Sheet - Assets
	5	Consolidating Balance Sheet - Liabilities and Equity
6	U.S. FRANCHISED ELECTRIC AND GAS
	6	Consolidating Segment Income
	8	Consolidating Balance Sheet - Assets
	9	Consolidating Balance Sheet - Liabilities and Equity
	10	Operating Statistics (Duke Energy Carolinas)
	12	Operating Statistics (Duke Energy Progress)
	14	Operating Statistics (Duke Energy Florida)
	16	Operating Statistics (Duke Energy Ohio - Electric)
	18	Operating Statistics (Duke Energy Ohio - Gas)
	19	Operating Statistics (Duke Energy Indiana)
21	COMMERCIAL POWER
	21	Commercial Power Operating Statistics
22	INTERNATIONAL ENERGY
	22	International Energy Operating Statistics
23	APPENDIX
	23	Duke Energy Ohio Supplement

DUKE ENERGY CORPORATION

Consolidating Statement of Operations

(Unaudited)

	Six Months Ended June 30, 2013
	U.S. Franchised		Commercial			International					Eliminations/
(in millions)	Electric and Gas		Power			Energy		Other			Adjustments			Duke Energy
Operating Revenues
Regulated electric (a)	$	9,700	$	57		$	—	$	28		$	(62	)	$	9,723
Nonregulated electric, natural gas, and other	—		952			798		43			(18		)	1,775
Regulated natural gas	280		—			—		—			(1		)	279
Total operating revenues	9,980		1,009			798		71			(81		)	11,777
Operating Expenses
Fuel used in electric generation and purchased power - regulated	3,381		—			—		—			—			3,381
Fuel used in electric generation and purchased power - nonregulated	—		632			267		21			(19		)	901
Cost of natural gas and coal sold	93		19			35		—			—			147
Operation, maintenance and other	2,422		239			175		151			(62		)	2,925
Depreciation and amortization	1,092		125			50		71			—			1,338
Property and other taxes	630		26			6		4			—			666
Impairment charges (b)	387		—			—		(1		)	—			386
Total operating expenses	8,005		1,041			533		246			(81		)	9,744
Gains (Losses) on Sales of Other Assets and Other, Net	6		1			—		(4		)	—			3
Operating Income (Loss)	1,981		(31		)	265		(179		)	—			2,036
Other Income and Expenses	109		11			47		19			—			186
Interest Expense	478		32			38		200			—			748
Income (Loss) from Continuing Operations before Income Taxes	1,612		(52		)	274		(360		)	—			1,474
Income Tax Expense (Benefit)	603		(51		)	84		(141		)	—			495
Income (Loss) from Continuing Operations	1,009		(1		)	190		(219		)	—			979
Less: Net Income (Loss) Attributable to Non-controlling Interest	—		—			6		(3		)	—			3
Segment Income (Loss)/Net Expense from Continuing Operations Attributable to Duke Energy Corporation	$	1,009	$	(1	)	$	184	$	(216	)	$	—		$	976
Loss from Discontinued Operations, Net of Tax														(3		)
Net Income Attributable to Duke Energy Corporation														$	973

(a) The amount for Commercial Power is primarily due to stability charge revenues included in Duke Energy Ohio’s current Electric Stability Plan (ESP).

(b) The amount for USFE&G is primarily comprised of a $295 million charge related to the agreement to forego recovery of a portion of the Cyrstal River Unit 3 regulatory asset, a $65 million charge to write-off the wholesale portion of the Levy investments and a $22 million charge at Duke Energy Progress resulting from the decision to suspend application of two proposed nuclear units at the Harris nuclear station.

2

DUKE ENERGY CORPORATION

Consolidating Statement of Operations

(Unaudited)

	Six Months Ended June 30, 2012
	U.S. Franchised		Commercial		International					Eliminations/
(in millions)	Electric and Gas		Power		Energy		Other			Adjustments			Duke Energy
Operating Revenues
Regulated electric (a)	$	5,112	$	54	$	—	$	1		$	(38	)	$	5,129
Nonregulated electric, natural gas, and other	—		1,028		799		30			(31		)	1,826
Regulated natural gas	253		—		—		—			(1		)	252
Total operating revenues	5,365		1,082		799		31			(70		)	7,207
Operating Expenses
Fuel used in electric generation and purchased power - regulated	1,626		—		—		—			—			1,626
Fuel used in electric generation and purchased power - nonregulated	—		612		258		—			(26		)	844
Cost of natural gas and coal sold	87		21		36		—			—			144
Operation, maintenance and other	1,306		222		157		(31		)	(46		)	1,608
Depreciation and amortization	730		114		48		61			1			954
Property and other taxes	330		21		3		—			1			355
Impairment charges (b)	402		—		—		—			—			402
Total operating expenses	4,481		990		502		30			(70		)	5,933
Gains on Sales of Other Assets and Other, Net	7		1		—		(1		)	—			7
Operating Income	891		93		297		—			—			1,281
Other Income and Expenses	124		25		90		(1		)	—			238
Interest Expense	289		41		37		89			—			456
Income (Loss) from Continuing Operations before Income Taxes	726		77		350		(90		)	—			1,063
Income Tax Expense (Benefit)	253		18		95		(49		)	—			317
Income (Loss) from Continuing Operations	473		59		255		(41		)	—			746
Less: Net Income Attributable to Non-controlling Interest	—		—		8		—			—			8
Segment Income/Net Expense from Continuing Operations Attributable to Duke Energy Corporation	$	473	$	59	$	247	$	(41	)	$	—		$	738
Income from Discontinued Operations, Net of Tax													1
Net Income Attributable to Duke Energy Corporation													$	739

(a) The amount for Commercial Power is primarily due to stability charge revenues included in Duke Energy Ohio’s current Electric Stability Plan (ESP).

(b) The amount for USFE&G is primarily due to a $400 million non-cash impairment charge related to the Edwardsport IGCC project.

Note: Does not include Progress Energy activity as the merger closed on July 2, 2012.

3

DUKE ENERGY CORPORATION

Consolidating Balance Sheet - Assets

(Unaudited)

	June 30, 2013
	U.S. Franchised			Commercial			International						Eliminations/
(in millions)	Electric and Gas			Power			Energy			Other			Adjustments			Duke Energy
Current Assets
Cash and cash equivalents	$	70		$	4		$	1,287		$	210		$	—		$	1,571
Short-term investments	—			—			280			—			—			280
Receivables, net	1,206			102			227			58			—			1,593
Restricted receivables of variable interest entities, net	1,198			37			—			—			—			1,235
Receivables from affiliated companies	298			679			149			12,290			(13,416		)	—
Notes receivable from affiliated companies	178			—			—			744			(922		)	—
Inventory	2,919			125			74			12			—			3,130
Other	1,361			250			46			454			(45		)	2,066
Total current assets	7,230			1,197			2,063			13,768			(14,383		)	9,875
Investments and Other Assets
Investments in equity method unconsolidated affiliates	4			262			72			170			—			508
Investments and advances to (from) subsidiaries	82			(7		)	(14		)	42,520			(42,581		)	—
Nuclear decommissioning trust funds	4,567			—			—			—			—			4,567
Goodwill	15,950			64			331			—			—			16,345
Intangibles, net	75			221			53			1			—			350
Notes receivable	6			—			60			452			(450		)	68
Restricted other assets of variable interest entities	—			57			—			—			—			57
Other	1,450			64			341			597			(40		)	2,412
Total investments and other assets	22,134			661			843			43,740			(43,071		)	24,307
Property, Plant and Equipment
Cost	89,593			4,874			3,658			1,536			—			99,661
Cost, variable interest entities	16			1,650			—			—			—			1,666
Accumulated depreciation and amortization	(29,822		)	(965		)	(955		)	(769		)	—			(32,511		)
Generation facilities to be retired, net	61			—			—			—			—			61
Net property, plant and equipment	59,848			5,559			2,703			767			—			68,877
Regulatory Assets and Deferred Debits
Regulatory Assets	10,254			67			—			543			—			10,864
Other	94			40			6			37			—			177
Total regulatory assets and deferred debits	10,348			107			6			580			—			11,041
Total Assets	99,560			7,524			5,615			58,855			(57,454		)	114,100
Segment reclassifications, intercompany balances and other adjustments	(652		)	(617		)	(135		)	(56,192		)	57,596			—
Reportable Segment Assets	$	98,908		$	6,907		$	5,480		$	2,663		$	142		$	114,100

4

DUKE ENERGY CORPORATION

Consolidating Balance Sheet - Liabilities and Equity

(Unaudited)

	June 30, 2013
	U.S. Franchised			Commercial			International						Eliminations/
(in millions)	Electric and Gas			Power			Energy			Other			Adjustments			Duke Energy
Current Liabilities
Accounts payable	$	1,548		$	136		$	32		$	220		$	—		$	1,936
Accounts payable to affiliated companies	12,701			29			5			628			(13,363		)	—
Notes payable to affiliated companies	500			336			—			128			(964		)	—
Notes payable and commercial paper	—			—			—			1,501			—			1,501
Non-recourse notes payable of variable interest entities	325			—			—			—			—			325
Taxes accrued (prepaid)	395			(85		)	53			190			—			553
Interest accrued	287			—			40			124			—			451
Current maturities of long-term debt	915			83			169			1,056			—			2,223
Other	1,885			106			86			1,008			(59		)	3,026
Total current liabilities	18,556			605			385			4,855			(14,386		)	10,015
Long-term Debt	24,716			398			904			10,082			—			36,100
Non-recourse Long-term Debt of Variable Interest Entities	300			959			—			—			—			1,259
Notes Payable to Affiliated Companies	450			—			—			—			(450		)	—
Deferred Credits and Other Liabilities
Deferred income taxes	11,481			1,223			229			(2,104		)	—			10,829
Investment tax credits	450			—			—			—			—			450
Accrued pension and other post-retirement benefit costs	1,784			49			1			576			(37		)	2,373
Asset retirement obligations	5,243			40			1			—			—			5,284
Regulatory Liabilities	5,479			—			—			4			—			5,483
Other	1,487			116			59			446			(2		)	2,106
Total deferred credits and other liabilities	25,924			1,428			290			(1,078		)	(39		)	26,525
Equity
Total Duke Energy Corporation shareholders’ equity	29,614			4,120			3,977			45,000			(42,579		)	40,132
Noncontrolling interests	—			14			59			(4		)	—			69
Total equity	29,614			4,134			4,036			44,996			(42,579		)	40,201
Total Liabilities and Equity	99,560			7,524			5,615			58,855			(57,454		)	114,100
Segment reclassifications, intercompany balances and other adjustments	(652		)	(617		)	(135		)	(56,192		)	57,596			—
Reportable Segment Liabilities and Equity	$	98,908		$	6,907		$	5,480		$	2,663		$	142		$	114,100

5

U.S. FRANCHISED ELECTRIC AND GAS

Consolidating Segment Income

(Unaudited)

	Six Months Ended June 30, 2013
	Duke Energy		Duke Energy		Duke Energy		Duke Energy		Duke Energy		Eliminations/			U.S. Franchised
(in millions)	Carolinas, LLC		Progress, Inc.		Florida, Inc.		Ohio, Inc.		Indiana, Inc.		Adjustments			Electic and Gas
Operating Revenues
Regulated electric	$	3,307	$	2,338	$	2,110	$	616	$	1,424	$	(95	)	$	9,700
Regulated natural gas	—		—		—		280		—		—			280
Total operating revenues	3,307		2,338		2,110		896		1,424		(95		)	9,980
Operating Expenses
Fuel used in electric generation and purchased power - regulated	950		886		883		206		569		(113		)	3,381
Cost of natural gas	—		—		—		93		—		—			93
Operation, maintenance and other	863		655		389		226		300		(11		)	2,422
Depreciation and amortization	448		250		142		99		155		(2		)	1,092
Property and other taxes	192		113		164		122		38		1			630
Impairment charges (a)	—		22		345		—		—		20			387
Total operating expenses	2,453		1,926		1,923		746		1,062		(105		)	8,005
Gains on Sales of Other Assets and Other, Net	2		—		1		4		—		(1		)	6
Operating Income	856		412		188		154		362		9			1,981
Other Income and Expenses (b)	65		22		13		3		10		(4		)	109
Interest Expense	173		95		92		33		84		1			478
Income from Continuing Operations before Income Taxes	748		339		109		124		288		4			1,612
Income Tax Expense	280		132		44		44		108		(5		)	603
Segment Income From Continuing Operations Attributable to Duke Energy Corporation	$	468	$	207	$	65	$	80	$	180	$	9		$	1,009

(a)

Includes $387 million of impairment charges primarily comprised of a $295 million charge related to the agreement to forego recovery of a portion of the Cyrstal River Unit 3 regulatory asset, a $65 million charge to write-off the wholesale portion of the Levy investments and a $22 million charge at Duke Energy Progress resulting from the decision to suspend application of two proposed nuclear units at the Harris nuclear station.

(b)

Primarily due to an equity component of allowance for funds used during construction of $47 million for Duke Energy Carolinas, $23 million for Duke Energy Progress, $4 million for Duke Energy Florida and $7 million for Duke Energy Indiana.

6

U.S. FRANCHISED ELECTRIC AND GAS

Consolidating Segment Income

(Unaudited)

	Six Months Ended June 30, 2012
	Duke Energy		Duke Energy		Duke Energy			Eliminations/			U.S. Franchised
(in millions)	Carolinas, LLC		Ohio, Inc.		Indiana, Inc.			Adjustments			Electric and Gas
Operating Revenues
Regulated electric	$	3,117	$	607	$	1,373		$	15		$	5,112
Regulated natural gas	—		253		—			—			253
Total operating revenues	3,117		860		1,373			15			5,365
Operating Expenses
Fuel used in electric generation and purchased power - regulated	822		234		570			—			1,626
Cost of natural gas	—		87		—			—			87
Operation, maintenance and other	782		218		304			2			1,306
Depreciation and amortization	454		83		192			1			730
Property and other taxes	179		114		38			(1		)	330
Impairment charges (a)	—		—		400			2			402
Total operating expenses	2,237		736		1,504			4			4,481
Gains on Sales of Other Assets and Other, Net	6		1		—			—			7
Operating Income (Loss)	886		125		(131		)	11			891
Other Income and Expenses (b)	83		5		43			(7		)	124
Interest Expense	189		29		70			1			289
Income (Loss) from Continuing Operations before Income Taxes	780		101		(158		)	3			726
Income Tax Expense (Benefit)	284		37		(73		)	5			253
Segment Income (Loss) From Continuing Opearations Attributable to Duke Energy Corporation	$	496	$	64	$	(85	)	$	(2	)	$	473

(a)	The amount for USFE&G is primarily due to a $400 million non-cash impairment charge related to the Edwardsport IGCC project.
(b)	Primarily due to an equity component of allowance for funds used during construction of $74 million for Carolinas, $3 million for Ohio and $39 million for Indiana, respectively.

Note: Does not include Progress Energy activity as the merger closed on July 2, 2012.

7

U.S. FRANCHISED ELECTRIC AND GAS

Consolidating Balance Sheet - Assets

(Unaudited)

	June 30, 2013
	Duke Energy			Duke Energy			Duke Energy			Duke Energy			Duke Energy			Eliminations/			U.S. Franchised
(in millions)	Carolinas, LLC			Progress, Inc.			Florida, Inc.			Ohio, Inc.			Indiana, Inc.			Adjustments (a)			Electic and Gas
Current Assets
Cash and cash equivalents	$	13		$	20		$	18		$	11		$	8		$	—		$	70
Receivables, net	155			523			402			93			32			1			1,206
Restricted receivables of variable interest entities, net	669			—			—			—			—			529			1,198
Receivables from affiliated companies	89			195			30			182			110			(308		)	298
Notes receivable from affiliated companies	215			—			—			24			21			(82		)	178
Inventory	1,063			805			569			84			397			1			2,919
Other	417			358			318			74			160			34			1,361
Total current assets	2,621			1,901			1,337			468			728			175			7,230
Investment and Other Assets
Investments in equity method unconsolidated affiliates	1			1			2			—			—			—			4
Investments and advances to subsidiaries	73			—			—			1			—			8			82
Nuclear decommissioning trust funds	2,533			1,360			674			—			—			—			4,567
Goodwill	—			—			—			920			—			15,030			15,950
Intangibles, net	12			6			21			2			35			(1		)	75
Notes receivable	3			—			—			—			—			3			6
Other	933			274			150			38			121			(66		)	1,450
Total investments and other assets	3,555			1,641			847			961			156			14,974			22,134
Property, Plant and Equipment
Cost	34,534			21,574			13,555			6,676			12,213			1,041			89,593
Cost, variable interest entities	—			16			—			—			—			—			16
Accumulated depreciation and amortization	(11,502		)	(8,379		)	(4,130		)	(2,042		)	(3,768		)	(1		)	(29,822		)
Generation facilities to be retired, net	—			61			—			—			—			—			61
Net property, plant and equipment	23,032			13,272			9,425			4,634			8,445			1,040			59,848
Regulatory Assets and Deferred Debits
Regulatory Assets	1,836			1,862			3,167			521			769			2,099			10,254
Other	47			32			46			8			23			(62		)	94
Total regulatory assets and deferred debits	1,883			1,894			3,213			529			792			2,037			10,348
Total Assets	31,091			18,708			14,822			6,592			10,121			18,226			99,560
Segment reclassifications, intercompany balances and other adjustments	(182		)	(117		)	28			(24		)	(36		)	(321		)	(652		)
Reportable Segment Assets	$	30,909		$	18,591		$	14,850		$	6,568		$	10,085		$	17,905		$	98,908

(a)In addition to the elimination of intercompany balances, amounts include purchase accounting adjustments and restricted receivables related to Cinergy Receivables Company.

8

U.S. FRANCHISED ELECTRIC AND GAS

Consolidating Balance Sheet - Liabilities and Equity

(Unaudited)

	June 30, 2013
	Duke Energy			Duke Energy			Duke Energy		Duke Energy			Duke Energy			Eliminations/			U.S. Franchised
(in millions)	Carolinas, LLC			Progress, Inc.			Florida, Inc.		Ohio, Inc.			Indiana, Inc.			Adjustments (a)			Electric And Gas
Current Liabilities
Accounts payable	$	487		$	382		$	392	$	150		$	134		$	3		$	1,548
Accounts payable to affiliated companies	115			56			8		2			16			12,504			12,701
Notes payable to affiliated companies	—			257			11		272			—			(40		)	500
Non-recourse notes payable of variable interest entities	—			—			—		—			—			325			325
Taxes accrued	113			62			175		(5		)	52			(2		)	395
Interest accrued	99			75			45		13			55			—			287
Current maturities of long-term debt	406			407			11		8			5			78			915
Other	437			451			774		86			136			1			1,885
Total current liabilities	1,657			1,690			1,416		526			398			12,869			18,556
Long-term Debt	7,734			4,929			4,881		1,338			3,546			2,288			24,716
Non-recourse Long-term Debt of Variable Interest Entities	300			—			—		—			—			—			300
Notes Payable to Affiliated Companies	300			—			—		—			150			—			450
Deferred Credits and Other Liabilities
Deferred income taxes	5,501			2,305			1,567		1,102			971			35			11,481
Investment tax credits	213			88			2		6			141			—			450
Accrued pension and other post-retirement benefit costs	212			729			610		126			183			(76		)	1,784
Asset retirement obligations	2,021			1,689			774		23			37			699			5,243
Regulatory Liabilities	2,223			1,564			669		260			755			8			5,479
Other	882			251			214		91			51			(2		)	1,487
Total deferred credits and other liabilities	11,052			6,626			3,836		1,608			2,138			664			25,924
Equity	10,048			5,463			4,689		3,120			3,889			2,405			29,614
Total Liabilities and Equity	31,091			18,708			14,822		6,592			10,121			18,226			99,560
Segment reclassifications, intercompany balances and other adjustments	(182		)	(117		)	28		(24		)	(36		)	(321		)	(652		)
Reportable Segment Liabilities and Equity	$	30,909		$	18,591		$	14,850	$	6,568		$	10,085		$	17,905		$	98,908

(a)In addition to the elimination of intercompany balances, amounts include purchase accounting adjustments and notes payable related to Cinergy Receivables Company.

9

FRANCHISED ELECTRIC - DUKE ENERGY CAROLINAS

Operating Statistics

(Unaudited)

	Six Months Ended June 30,
	2013	2012
Sources of Electric Energy (GWh)
Generated - net output (a):
Coal	14,475	12,399
Nuclear	22,021	21,882
Hydro	1,151	560
Oil & gas	4,245	2,369
Renewable Energy	7	5
Total generation (b)	41,899	37,215
Purchased power (c) and net interchange	3,167	4,251
Total sources of energy	45,066	41,466
Less: Line loss and company usage	2,618	2,431
Total GWh Sources	42,448	39,035
Electric Energy Sales (GWh)
Residential	13,523	12,561
General service	13,303	13,146
Industrial	10,140	10,270
Other energy and wholesale	5,456	2,617
Total GWh sales billed	42,422	38,594
Change in unbilled	26	441
Total GWh Sales	42,448	39,035
Total Capability - Owned MW (a)
Summer	19,698	19,208
Winter	20,410	19,913
Nuclear Capacity Factor (%) (d)	98	94

(a) Statistics reflect Duke Energy Carolinas’ ownership share of jointly owned stations.

(b) Generation by source is reported net of auxiliary power.

(c) Purchased Power includes Renewable Energy purchases.

(d) Statistics reflect 100% of jointly owned stations.

10

FRANCHISED ELECTRIC - DUKE ENERGY CAROLINAS

Operating Statistics

(Unaudited)

	Six Months Ended June 30,
	2013		2012
Revenues from Generation, Transmission and Distribution of Electricity (in millions)
Residential	$	1,330	$	1,259
General service	1,022		1,011
Industrial	536		562
Other energy and wholesale	297		175
Total billed	3,185		3,007
Change in unbilled	4		54
Total Revenues	$	3,189	$	3,061
Average Number of Customers (in thousands)
Residential	2,063		2,050
General service	338		336
Industrial	7		7
Other energy and wholesale	15		14
Total Average Number of Customers	2,423		2,407

11

FRANCHISED ELECTRIC - DUKE ENERGY PROGRESS

Operating Statistics

(Unaudited)

	Six Months Ended June 30,
	2013		2012
Sources of Electric Energy (GWh)
Generated - net output (a):
Coal	6,799		10,150
Nuclear	11,478		9,759
Hydro	563		390
Gas	7,452		5,045
Oil	40		64
Total generation (b)	26,332		25,408
Purchased power (c) and net interchange	3,547		2,378
Total sources of energy	29,879		27,786
Less: Line loss and company usage	1,123		1,152
Total GWh Sources	28,756		26,634
Electric Energy Sales (GWh)
Residential	8,771		7,979
General service	7,157		7,152
Industrial	5,108		5,112
Other energy and wholesale	7,733		6,326
Total GWh sales billed	28,769		26,569
Change in unbilled	(13	)	65
Total GWh Sales	28,756		26,634
Total Capability - Owned MW (a)
Summer	12,231		12,261
Winter	13,240		13,191
Nuclear Capacity Factor (%) (d)	86		75

(a) Statistics include Duke Energy Progress’ ownership share of jointly owned stations.

(b) Generation by source is reported net of auxiliary power.

(c) Purchased Power includes Renewable Energy purchases.

(d) Statistics reflect 100% of jointly owned stations.

12

FRANCHISED ELECTRIC - DUKE ENERGY PROGRESS

Operating Statistics

(Unaudited)

	Six Months Ended June 30,
	2013		2012
Revenues from Generation, Transmission and Distribution of Electricity (in millions)
Residential	$	871	$	810
General service	600		603
Industrial	321		331
Other energy and wholesale	462		347
Total billed	2,254		2,091
Change in unbilled	10		9
Total Revenues	$	2,264	$	2,100
Average Number of Customers (in thousands)
Residential	1,239		1,229
General service	221		219
Industrial	4		4
Other energy and wholesale	2		2
Total Average Number of Customers	1,466		1,454

13

FRANCHISED ELECTRIC - DUKE ENERGY FLORIDA

Operating Statistics

(Unaudited)

	Six Months Ended June 30,
	2013	2012
Sources of Electric Energy (GWh)
Generated - net output (a):
Coal	5,288	5,089
Gas	10,195	11,131
Oil	137	55
Total generation (b)	15,620	16,275
Purchased power (c) and net interchange	3,551	3,417
Total sources of energy	19,171	19,692
Less: Line loss and company usage	1,302	1,343
Total GWh Sources	17,869	18,349
Electric Energy Sales (GWh)
Residential	8,235	8,230
General service	6,918	7,079
Industrial	1,582	1,565
Other energy and wholesale	670	782
Total GWh sales billed	17,405	17,656
Change in unbilled	464	693
Total GWh Sales	17,869	18,349
Total Capability - Owned MW (a)
Summer	9,095	9,948
Winter	10,191	10,983

(a) Statistics reflect Duke Energy Florida’s ownership share of jointly owned stations.  2012 capacity includes Crystal River Unit 3.

(b) Generation by source is reported net of auxiliary power.

(c) Purchased Power includes Renewable Energy purchases.

14

FRANCHISED ELECTRIC - DUKE ENERGY FLORIDA

Operating Statistics

(Unaudited)

	Six Months Ended June 30,
	2013		2012
Revenues from Generation, Transmission and Distribution of Electricity (in millions)
Residential	$	1,026	$	1,083
General service	649		726
Industrial	129		143
Other energy and wholesale	272		209
Total billed	2,076		2,161
Change in unbilled	21		33
Total Revenues	$	2,097	$	2,194
Average Number of Customers (in thousands)
Residential	1,477		1,462
General service	189		187
Industrial	2		2
Other energy and wholesale	2		2
Total Average Number of Customers	1,670		1,653

15

FRANCHISED ELECTRIC - DUKE ENERGY OHIO ELECTRIC

Operating Statistics

(Unaudited)

	Six Months Ended June 30,
	2013		2012
Sources of Electric Energy (GWh)
Generated - net output (a):
Coal	1,701		1,343
Total generation (b)	1,701		1,343
Purchased power (c) and net interchange	617		846
Total sources of energy	2,318		2,189
Less: Line loss and company usage	133		97
Total GWh Sources	2,185		2,092
Electric Energy Sales (GWh)
Residential	4,335		4,039
General service	4,565		4,498
Industrial	2,819		2,828
Other energy and wholesale	275		204
Total GWh sales billed	11,994		11,569
Change in unbilled	(16	)	227
Total GWh Sales	11,978		11,796
Total Capability - Owned MW (a)
Summer	1,039		1,039
Winter	1,141		1,141

(a) Statistics reflect Duke Energy Ohio’s ownership share of jointly owned stations.

(b) Generation by source is reported net of auxiliary power.

(c) Purchased Power includes Renewable Energy purchases.

Note: Total GWh Sources will not equal Total GWh Sales.  Sources include Duke Energy Kentucky’s regulated generation for all periods.  Sales include Duke Energy Ohio’s and Duke Energy Kentucky’s retail sales.  Ohio retail sales are fulfilled through auction purchases under the current ESP.

16

FRANCHISED ELECTRIC - DUKE ENERGY OHIO ELECTRIC

Operating Statistics

(Unaudited)

	Six Months Ended June 30,
	2013		2012
Revenues from Generation, Transmission and Distribution of Electricity (in millions)
Residential	$	332	$	305
General service	204		205
Industrial	53		50
Other energy and wholesale	11		8
Total billed	600		568
Change in unbilled	1		30
Total Revenues	$	601	$	598
Average Number of Electric Customers (in thousands)
Residential	737		735
General service	86		86
Industrial	3		2
Other energy and wholesale	3		3
Total Average Number of Electric Customers	829		826

17

FRANCHISED GAS - DUKE ENERGY OHIO GAS

Operating Statistics

(Unaudited)

	Six Months Ended June 30,
	2013			2012
MCF Sales
Residential	26,620,497			20,359,013
General service	15,799,582			12,377,532
Industrial	3,688,976			2,923,763
Other energy and wholesale	10,888,315			11,399,541
Total MCF sales billed	56,997,370			47,059,849
Change in unbilled	(4,915,000		)	(3,910,000		)
Total MCF Sales	52,082,370			43,149,849
Revenues from Distribution of Gas (in millions)
Residential	$	197		$	184
General service	81			71
Industrial	12			9
Other energy and wholesale	9			9
Total billed	299			273
Change in unbilled	(19		)	(20		)
Total Revenues	$	280		$	253
Average Number of Gas Customers (in thousands)
Residential	471			470
General service	44			44
Industrial	2			2
Total Average Number of Gas Customers	517			516

18

FRANCHISED ELECTRIC - DUKE ENERGY INDIANA

Operating Statistics

(Unaudited)

	Six Months Ended June 30,
	2013		2012
Sources of Electric Energy (GWh)
Generated - net output (a):
Coal	12,189		11,883
Hydro	161		169
Gas	464		678
Total generation (b)	12,814		12,730
Purchased power (c) and net interchange	3,773		4,449
Total sources of energy	16,587		17,179
Less: Line loss and company usage	145		418
Total GWh Sources	16,442		16,761
Electric Energy Sales (GWh)
Residential	4,727		4,310
General service	4,033		3,994
Industrial	5,097		5,184
Other energy and wholesale	2,652		3,043
Total GWh sales billed	16,509		16,531
Change in unbilled	(67	)	230
Total GWh Sales	16,442		16,761
Total Capability - Owned MW (a)
Summer	7,516		6,898
Winter	7,858		7,240

(a) Statistics reflect Duke Energy Indiana’s ownership share of jointly owned stations.

(b) Generation by source is reported net of auxiliary power.

(c) Purchased Power includes Renewable Energy purchases.

19

FRANCHISED ELECTRIC - DUKE ENERGY INDIANA

Operating Statistics

(Unaudited)

	Six Months Ended June 30,
	2013			2012
Revenues from Generation, Transmission and Distribution of Electricity (in millions)
Residential	$	502		$	453
General service	362			347
Industrial	364			354
Other energy and wholesale	159			132
Total billed	1,387			1,286
Change in unbilled	(3		)	28
Total Revenues	$	1,384		$	1,314
Average Number of Customers (in thousands)
Residential	689			683
General service	100			100
Industrial	3			3
Other energy and wholesale	1			1
Total Average Number of Customers	793			787

20

COMMERCIAL POWER

Operating Statistics

(Unaudited)

	Six Months Ended June 30,
	2013	2012
Generation (GWh)
Coal	8,734	7,367
Gas	7,238	9,096
Renewables	2,820	1,784
Actual plant generation	18,792	18,247
Net proportional megawatt capacity in operation	8,127	7,757

21

INTERNATIONAL ENERGY

Operating Statistics

(Unaudited)

	Six Months Ended June 30,
	2013	2012
Sales, GWh	9,682	9,956
Net proportional megawatt capacity in operation	4,584	4,225

22

DUKE ENERGY OHIO SUPPLEMENT

Consolidated Statement of Operations

(Unaudited)

	Six Months Ended June 30, 2013
	Franchised Electric and Gas
	Ohio
	Transmission &		Duke Energy		Commercial
(in millions)	Distribution		Kentucky, Inc.		Power			Other			Consolidated
Operating Revenues
Regulated electric (a)	$	445	$	171	$	56		$	—		$	672
Nonregulated electric and other	—		—		625			(19		)	606
Regulated natural gas	219		61		—			—			280
Total operating revenues	664		232		681			(19		)	1,558
Operating Expenses
Fuel used in electric generation and purchased power - regulated	137		69		—			—			206
Fuel used in electric generation and purchased power - nonregulated	—		—		481			(19		)	462
Cost of natural gas sold	65		28		—			—			93
Operation, maintenance and other	163		63		157			14			397
Depreciation and amortization	77		22		78			—			177
Property and other taxes	115		7		14			—			136
Total operating expenses	557		189		730			(5		)	1,471
Gains on Sales of Other Assets and Other, Net	—		4		1			(1		)	4
Operating Income (Loss)	107		47		(48		)	(15		)	91
Other Income and Expenses	2		1		1			(1		)	3
Interest Expense	25		8		3			—			36
Income (Loss) before Income Taxes	84		40		(50		)	(16		)	58
Income Tax Expense (Benefit)	30		14		(17		)	(6		)	21
Net Income (Loss)	$	54	$	26	$	(33	)	$	(10	)	$	37

(a) The amount for Commercial Power is primarily due to stability charge revenues included in Duke Energy Ohio’s current Electric Stability Plan (ESP).

23

DUKE ENERGY OHIO SUPPLEMENT

Consolidated Statement of Operations

(Unaudited)

	Six Months Ended June 30, 2012
	Franchised Electric and Gas
	Ohio
	Transmission &		Duke Energy		Commercial
(in millions)	Distribution		Kentucky, Inc.		Power		Other			Consolidated
Operating Revenues
Regulated electric (a)	$	445	$	162	$	53	$	—		$	660
Nonregulated electric and other	—		—		743		(27		)	716
Regulated natural gas	202		51		—		—			253
Total operating revenues	647		213		796		(27		)	1,629
Operating Expenses
Fuel used in electric generation and purchased power - regulated	172		62		—		—			234
Fuel used in electric generation and purchased power - nonregulated	—		—		442		(27		)	415
Cost of natural gas sold	65		22		—		—			87
Operation, maintenance and other	156		62		146		7			371
Depreciation and amortization	61		22		80		—			163
Property and other taxes	108		6		14		—			128
Total operating expenses	562		174		682		(20		)	1,398
Gains on Sales of Other Assets and Other, Net	1		—		1		—			2
Operating Income (Loss)	86		39		115		(7		)	233
Other Income and Expenses	4		1		3		—			8
Interest Expense	20		9		19		1			49
Income (Loss) before Income Taxes	70		31		99		(8		)	192
Income Tax Expense (Benefit)	26		11		38		(2		)	73
Net Income (Loss)	$	44	$	20	$	61	$	(6	)	$	119

(a) The amount for Commercial Power is primarily due to stability charge revenues included in Duke Energy Ohio’s current Electric Stability Plan (ESP).

24