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Business Segments

3 Months Ended

Mar. 31, 2025

Segment Reporting [Abstract]

Business Segments

BUSINESS SEGMENTS

Duke Energy

Duke Energy's segment structure includes the following two segments: EU&I and GU&I.

The EU&I segment primarily includes Duke Energy's regulated electric utilities in the Carolinas, Florida and the Midwest. EU&I also includes Duke Energy's electric transmission infrastructure investments and the offshore wind contract for Carolina Long Bay.

The GU&I segment includes Piedmont, Duke Energy's natural gas local distribution companies in Ohio and Kentucky and Duke Energy's natural gas storage, midstream pipeline and renewable natural gas investments.

The remainder of Duke Energy’s operations is presented as Other, which is primarily comprised of interest expense on holding company debt, unallocated corporate costs, Duke Energy’s wholly owned captive insurance company, Bison, and Duke Energy's ownership interest in NMC.

Business segment information is presented in the following tables. Segment assets presented exclude intercompany assets.

			Three Months Ended March 31, 2025
			Electric						Gas												Total
			Utilities and						Utilities and												Reportable
(in millions)			Infrastructure						Infrastructure												Segments						Other						Eliminations						Total
Unaffiliated revenues			$	7,125					$	1,116											$	8,241					$	8					$	—					$	8,249
Intersegment revenues			15						24												39						34						(73)						—
Total operating revenues			$	7,140					$	1,140											$	8,280					$	42					$	(73)					$	8,249
Less:
Fuel used in electric generation and purchased power			$	2,119					$	—											$	2,119					$	—					$	(20)					$	2,099
Cost of natural gas			—						374												374						—						—						374
Operation, maintenance and other			1,424						125												1,549						2						(52)						1,499
Depreciation and amortization			1,334						107												1,441						77						(6)						1,512
Property and other taxes			378						47												425						3						—						428
Interest expense			530						65												595						318						(24)						889
Income tax expense (benefit)			189						91												280						(87)						—						193
Other Segment Items																																							—
Noncontrolling interests(a)			25						—												25						—						—						25
Preferred dividends			—						—												—						14						—						14
Add: Equity in earnings of unconsolidated affiliates			—						5												5						6						—						11
Add: Other(b)			135						13												148						19						(29)						138
Segment income (loss)			$	1,276					$	349											$	1,625					$	(260)					$	—					$	1,365
Net income available to Duke Energy Corporation Common Stockholders																																							$	1,365
Add back: Net income attributable to noncontrolling interest																																							25
Add back: Preferred dividends																																							14
Net Income																																							$	1,404
Capital investments expenditures and acquisitions			$	2,814					$	249											$	3,063					$	85					$	—					$	3,148
Segment assets			164,794						18,233												183,027						4,449						—						187,476

			Three Months Ended March 31, 2024
			Electric						Gas												Total
			Utilities and						Utilities and												Reportable
(in millions)			Infrastructure						Infrastructure												Segments						Other						Eliminations						Total
Unaffiliated revenues			$	6,785					$	879											$	7,664					$	7					$	—					$	7,671
Intersegment revenues			18						23												41						31						(72)						—
Total operating revenues			$	6,803					$	902											$	7,705					$	38					$	(72)					$	7,671
Less:
Fuel used in electric generation and purchased power			$	2,355					$	—											$	2,355					$	—					$	(20)					$	2,335
Cost of natural gas			—						232												232						—						—						232
Operation, maintenance and other			1,317						129												1,446						(18)						(48)						1,380
Depreciation and amortization			1,225						98												1,323						71						(7)						1,387
Property and other taxes			337						46												383						3						—						386
Interest expense			499						61												560						294						(37)						817
Income tax expense (benefit)			173						69												242						(64)						—						178
Other Segment Items
Noncontrolling interests(a)			13						—												13						—						—						13
Preferred dividends			—						—												—						39						—						39
Add: Equity in earnings of unconsolidated affiliates			1						—												1						17						(1)						17
Add: Other(b)			136						17												153						67						(39)						181
Segment income (loss)			$	1,021					$	284											$	1,305					$	(203)					$	—					$	1,102
Discontinued Operations																																							(3)
Net income available to Duke Energy Corporation Common Stockholders																																							$	1,099
Add back: Net Income available to noncontrolling interest																																							13
Add back: Preferred dividends																																							39
Net Income																																							$	1,151
Capital investments expenditures and acquisitions			$	2,746					$	382											$	3,128					$	87					$	—					$	3,215
Segment assets			156,606						17,464												174,070						4,600						—						178,670

(a)Net income attributable to NCI related to continuing operations.

(b)    Other for EU&I and GU&I includes Gains on sales of other assets and other, net, and Other income and expenses, net.

Duke Energy Carolinas

Duke Energy Carolinas has one reportable segment, EU&I. The remainder of Duke Energy Carolinas' operations is presented as Other.

												Three Months Ended March 31, 2025
																		Electric
																		Utilities and			Eliminations/
(in millions)																		Infrastructure			Other			Total
Total operating revenues																		$	2,524		$	—		$	2,524
Less:
Fuel used in electric generation and purchased power																		$	803		$	—		$	803
Operation, maintenance and other																		474			10			484
Depreciation and amortization																		432			—			432
Property and other taxes																		102			—			102
Interest expense																		200			—			200
Income tax expense (benefit)																		53			(2)			51
Add: Other segment items(a)																		61			—			61
Segment income (loss) / Net income																		$	521		$	(8)		$	513
Capital expenditures																		$	1,019		$	—		$	1,019
Segment assets																		55,035			377			55,412

												Three Months Ended March 31, 2024
																		Electric
																		Utilities and			Eliminations/
(in millions)																		Infrastructure			Other			Total
Total operating revenues																		$	2,407		$	—		$	2,407
Less:
Fuel used in electric generation and purchased power																		$	860		$	—		$	860
Operation, maintenance and other																		441			11			452
Depreciation and amortization																		397			—			397
Property and other taxes																		94			—			94
Interest expense																		180			—			180
Income tax expense (benefit)																		58			(2)			56
Add: Other segment items(a)																		62			—			62
Segment income (loss) / Net income																		$	439		$	(9)		$	430
Capital expenditures																		$	952		$	—		$	952
Segment assets																		52,487			205			52,692

(a)    Other segment items include Gains on sales of other assets and other, net, and Other income and expenses, net.

Progress Energy

Progress Energy has one reportable segment, EU&I. The remainder of Progress Energy's operations is presented as Other.

												Three Months Ended March 31, 2025
																		Electric
																		Utilities and			Eliminations/
(in millions)																		Infrastructure			Other			Total
Total operating revenues																		$	3,462		$	5		$	3,467
Less:
Fuel used in electric generation and purchased power																		$	1,106		$	—		$	1,106
Operation, maintenance and other																		673			15			688
Depreciation and amortization																		631			—			631
Property and other taxes																		172			—			172
Interest expense																		246			29			275
Income tax expense (benefit)																		118			(8)			110
Add: Other segment items(a)																		61			—			61
Segment income (loss) / Net income																		$	577		$	(31)		$	546
Capital expenditures																		$	1,409		$	—		$	1,409
Segment assets																		68,341			5,004			73,345

												Three Months Ended March 31, 2024
																		Electric
																		Utilities and			Eliminations/
(in millions)																		Infrastructure			Other			Total
Total operating revenues																		$	3,224		$	4		$	3,228
Less:
Fuel used in electric generation and purchased power																		$	1,143		$	—		$	1,143
Operation, maintenance and other																		616			12			628
Depreciation and amortization																		587			—			587
Property and other taxes																		157			1			158
Interest expense																		231			29			260
Income tax expense (benefit)																		95			(9)			86
Add: Other segment items(a)																		61			8			69
Segment income (loss) / Net income																		$	456		$	(21)		$	435
Capital expenditures																		$	1,373		$	—		$	1,373
Segment assets																		63,861			3,861			67,722

(a)    Other segment items include Gains on sales of other assets and other, net, and Other income and expenses, net.

Duke Energy Progress

Duke Energy Progress has one reportable segment, EU&I. The remainder of Duke Energy Progress' operations is presented as Other.

												Three Months Ended March 31, 2025
																		Electric
																		Utilities and			Eliminations/
(in millions)																		Infrastructure			Other			Total
Total operating revenues																		$	2,018		$	—		$	2,018
Less:
Fuel used in electric generation and purchased power																		$	725		$	—		$	725
Operation, maintenance and other																		391			7			398
Depreciation and amortization																		357			—			357
Property and other taxes																		60			—			60
Interest expense																		128			—			128
Income tax expense (benefit)																		58			(2)			56
Add: Other segment items(a)																		39			(2)			37
Segment income (loss) / Net income																		$	338		$	(7)		$	331
Capital expenditures																		$	849		$	—		$	849
Segment assets																		39,788			1,089			40,877

												Three Months Ended March 31, 2024
																		Electric
																		Utilities and			Eliminations/
(in millions)																		Infrastructure			Other			Total
Total operating revenues																		$	1,788		$	—		$	1,788
Less:
Fuel used in electric generation and purchased power																		$	620		$	—		$	620
Operation, maintenance and other																		369			6			375
Depreciation and amortization																		339			—			339
Property and other taxes																		51			—			51
Interest expense																		120			—			120
Income tax expense (benefit)																		50			(2)			48
Add: Other segment items(a)																		36			1			37
Segment income (loss) / Net income																		$	275		$	(3)		$	272
Capital expenditures																		$	704		$	—		$	704
Segment assets																		37,390			104			37,494

(a)    Other segment items include Gains on sales of other assets and other, net, and Other income and expenses, net.

Duke Energy Florida

Duke Energy Florida has one reportable segment, EU&I. The remainder of Duke Energy Florida's operations is presented as Other.

												Three Months Ended March 31, 2025
																		Electric
																		Utilities and			Eliminations/
(in millions)																		Infrastructure			Other			Total
Total operating revenues																		$	1,444		$	—		$	1,444
Less:
Fuel used in electric generation and purchased power																		$	381		$	—		$	381
Operation, maintenance and other																		282			4			286
Depreciation and amortization																		274			—			274
Property and other taxes																		112			—			112
Interest expense																		118			—			118
Income tax expense (benefit)																		60			(2)			58
Add: Other segment items(a)																		22			(3)			19
Segment income (loss) / Net income																		$	239		$	(5)		$	234
Capital expenditures																		$	559		$	—		$	559
Segment assets																		28,553			187			28,740

												Three Months Ended March 31, 2024
																		Electric
																		Utilities and			Eliminations/
(in millions)																		Infrastructure			Other			Total
Total operating revenues																		$	1,436		$	—		$	1,436
Less:
Fuel used in electric generation and purchased power																		$	523		$	—		$	523
Operation, maintenance and other																		247			4			251
Depreciation and amortization																		248			—			248
Property and other taxes																		106			—			106
Interest expense																		111			—			111
Income tax expense (benefit)																		45			(2)			43
Add: Other segment items(a)																		25			—			25
Segment income (loss) / Net income																		$	181		$	(2)		$	179
Capital expenditures																		$	669		$	—		$	669
Segment assets																		26,471			27			26,498

(a)    Other segment items include Gains on sales of other assets and other, net, and Other income and expenses, net.

Duke Energy Ohio

Duke Energy Ohio has two reportable segments, EU&I and GU&I. The remainder of Duke Energy Ohio's operations is presented as Other.

			Three Months Ended March 31, 2025
			Electric						Gas						Total
			Utilities and						Utilities and						Reportable						Eliminations/
(in millions)			Infrastructure						Infrastructure						Segments						Other						Total
Total operating revenues			$	487					$	279					$	766					$	—					$	766
Less:
Fuel used in electric generation and purchased power			$	149					$	—					$	149					$	—					$	149
Cost of natural gas			—						101						101						—						101
Operation, maintenance and other			92						29						121						3						124
Depreciation and amortization			76						36						112						—						112
Property and other taxes			86						30						116						—						116
Interest expense			31						16						47						—						47
Income tax expense (benefit)			9						14						23						(1)						22
Add: Other segment items(a)			4						2						6						(1)						5
Segment income (loss) / Net income			$	48					$	55					$	103					$	(3)					$	100
Capital expenditures			$	157					$	67					$	224					$	—					$	224
Segment assets			8,303						4,524						12,827						53						12,880

			Three Months Ended March 31, 2024
			Electric						Gas						Total
			Utilities and						Utilities and						Reportable						Eliminations/
(in millions)			Infrastructure						Infrastructure						Segments						Other												Total
Total operating revenues			$	458					$	220					$	678					$	—											$	678
Less:
Fuel used in electric generation and purchased power			$	138					$	—					$	138					—												$	138
Cost of natural gas			—						61						61						—												61
Operation, maintenance and other			93						32						125						1												126
Depreciation and amortization			66						33						99						—												99
Property and other taxes			71						31						102						—												102
Interest expense			29						15						44						1												45
Income tax expense (benefit)			10						9						19						—												19
Add: Other segment items(a)			4						2						6						—												6
Segment income (loss) / Net income			$	55					$	41					$	96					$	(2)											$	94
Capital expenditures			$	137					$	80					$	217					$	—											$	217
Segment assets			7,935						4,350						12,285						20												12,305

(a)    Other segment items for EU&I and GU&I include Gains on sales of other assets and other, net, and Other income and expenses, net.

Duke Energy Indiana

Duke Energy Indiana has one reportable segment, EU&I. The remainder of Duke Energy Indiana's operations is presented as Other.

												Three Months Ended March 31, 2025
																		Electric
																		Utilities and			Eliminations/
(in millions)																		Infrastructure			Other			Total
Total operating revenues																		$	858		$	—		$	858
Less:
Fuel used in electric generation and purchased power																		$	260		$	—		$	260
Operation, maintenance and other																		193			2			195
Depreciation and amortization																		192			—			192
Property and other taxes																		18			—			18
Interest expense																		60			(1)			59
Income tax expense (benefit)																		18			—			18
Add: Other segment items(a)																		10			—			10
Segment income (loss) / Net income																		$	127		$	(1)		$	126
Capital expenditures																		$	234		$	—		$	234
Segment assets																		15,782			8			15,790

												Three Months Ended March 31, 2024
																		Electric
																		Utilities and			Eliminations/
(in millions)																		Infrastructure			Other			Total
Total operating revenues																		$	759		$	—		$	759
Less:
Fuel used in electric generation and purchased power																		$	271		$	—		$	271
Operation, maintenance and other																		178			2			180
Depreciation and amortization																		169			—			169
Property and other taxes																		14			—			14
Interest expense																		57			—			57
Income tax expense (benefit)																		14			—			14
Add: Other segment items(a)																		13			—			13
Segment income (loss) / Net income																		$	69		$	(2)		$	67
Capital expenditures																		$	275		$	—		$	275
Segment assets																		14,921			19			14,940

(a)    Other segment items include Gains on sales of other assets and other, net, and Other income and expenses, net.

Piedmont

Piedmont has one reportable segment, GU&I. The remainder of Piedmont's operations is presented as Other.

												Three Months Ended March 31, 2025
																		Gas
																		Utilities and			Eliminations/
(in millions)																		Infrastructure			Other			Total
Total operating revenues																		$	857		$	—		$	857
Less:
Cost of natural gas																		$	272		$	—		$	272
Operation, maintenance and other																		94			2			96
Depreciation and amortization																		70			—			70
Property and other taxes																		18			—			18
Interest expense																		47			—			47
Income tax expense (benefit)																		76			—			76
Other Segment Items
Add: Equity in earnings of unconsolidated affiliates																		—			2			2
Add: Other(a)																		11			—			11
Segment income (loss) / Net income																		$	291		$	—		$	291
Capital expenditures																		$	182		$	—		$	182
Segment assets																		11,818			91			11,909

												Three Months Ended March 31, 2024
																		Gas
																		Utilities and			Eliminations/
(in millions)																		Infrastructure			Other			Total
Total operating revenues																		$	676		$	—		$	676
Less:
Cost of natural gas																		$	170		$	—		$	170
Operation, maintenance and other																		95			—			95
Depreciation and amortization																		62			—			62
Property and other taxes																		15			—			15
Interest expense																		45			—			45
Income tax expense (benefit)																		59			1			60
Other Segment Items
Add: Equity in earnings of unconsolidated affiliates																		—			2			2
Add: Other(a)																		15			—			15
Segment income (loss) / Net income																		$	245		$	1		$	246
Capital expenditures																		$	294		$	—		$	294
Segment assets																		11,099			93			11,192

(a)    Other includes Gains on sales of other assets and other, net, and Other income and expenses, net.

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No definition available.

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- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

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