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Revenue (Tables)

3 Months Ended

Mar. 31, 2025

Revenue from Contract with Customer [Abstract]

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction

Supplemental requirements contracts that include contracted blocks of energy and capacity at contractually fixed prices have the following estimated remaining performance obligations:

			Remaining Performance Obligations
(in millions)			2025			2026			2027			2028			2029			Thereafter			Total
Duke Energy Carolinas			$	9		$	12		$	12		$	12		$	—		$	—		$	45
Progress Energy			21			43			13			13			13			42			145
Duke Energy Progress			4			6			6			6			6			20			48
Duke Energy Florida			17			37			7			7			7			22			97
Duke Energy Indiana			13			17			15			5			—			—			50

Estimated remaining performance obligations are as follows:

			Remaining Performance Obligations
(in millions)			2025			2026			2027			2028			2029			Thereafter			Total
Piedmont			$	48		$	51		$	49		$	46		$	44		$	151		$	389

Disaggregation of Revenue

Disaggregated revenues are presented as follows:

			Three Months Ended March 31, 2025
						Duke						Duke			Duke			Duke			Duke
(in millions)			Duke			Energy			Progress			Energy			Energy			Energy			Energy
By market or type of customer			Energy			Carolinas			Energy			Progress			Florida			Ohio			Indiana			Piedmont
Electric Utilities and Infrastructure
Residential			$	3,403		$	1,127		$	1,614		$	820		$	794		$	282		$	379		$	—
Commercial			1,921			701			845			415			430			142			233			—
Industrial			823			334			267			193			74			33			187			—
Wholesale			670			149			443			404			39			22			57			—
Other revenues			236			180			239			163			76			18			(1)			—
Total Electric Utilities and Infrastructure revenue from contracts with customers			$	7,053		$	2,491		$	3,408		$	1,995		$	1,413		$	497		$	855		$	—
Gas Utilities and Infrastructure
Residential			$	706		$	—		$	—		$	—		$	—		$	186		$	—		$	520
Commercial			322			—			—			—			—			70			—			252
Industrial			55			—			—			—			—			16			—			39
Power Generation			—			—			—			—			—			—			—			24
Other revenues			74			—			—			—			—			6			—			53
Total Gas Utilities and Infrastructure revenue from contracts with customers			$	1,157		$	—		$	—		$	—		$	—		$	278		$	—		$	888
Other
Revenue from contracts with customers			$	8		$	—		$	—		$	—		$	—		$	—		$	—		$	—
Total Revenue from contracts with customers			$	8,218		$	2,491		$	3,408		$	1,995		$	1,413		$	775		$	855		$	888
Other revenue sources(a)			$	31		$	33		$	59		$	23		$	31		$	(9)		$	3		$	(31)
Total operating revenues			$	8,249		$	2,524		$	3,467		$	2,018		$	1,444		$	766		$	858		$	857

			Three Months Ended March 31, 2024
						Duke						Duke			Duke			Duke			Duke
(in millions)			Duke			Energy			Progress			Energy			Energy			Energy			Energy
By market or type of customer			Energy			Carolinas			Energy			Progress			Florida			Ohio			Indiana			Piedmont
Electric Utilities and Infrastructure
Residential			$	3,115		$	1,058		$	1,517		$	742		$	775		$	253		$	287		$	—
Commercial			1,934			717			866			422			444			152			201			—
Industrial			822			340			266			177			89			32			183			—
Wholesale			554			138			355			326			29			14			48			—
Other revenues			253			99			149			78			71			22			34			—
Total Electric Utilities and Infrastructure revenue from contracts with customers			$	6,678		$	2,352		$	3,153		$	1,745		$	1,408		$	473		$	753		$	—
Gas Utilities and Infrastructure
Residential			$	520		$	—		$	—		$	—		$	—		$	147		$	—		$	373
Commercial			240			—			—			—			—			57			—			183
Industrial			47			—			—			—			—			11			—			38
Power Generation			—			—			—			—			—			—			—			8
Other revenues			40			—			—			—			—			5			—			35
Total Gas Utilities and Infrastructure revenue from contracts with customers			$	847		$	—		$	—		$	—		$	—		$	220		$	—		$	637
Other
Revenue from contracts with customers			$	7		$	—		$	—		$	—		$	—		$	—		$	—		$	—
Total Revenue from contracts with customers			$	7,532		$	2,352		$	3,153		$	1,745		$	1,408		$	693		$	753		$	637
Other revenue sources(a)			$	139		$	55		$	75		$	43		$	28		$	(15)		$	6		$	39
Total operating revenues			$	7,671		$	2,407		$	3,228		$	1,788		$	1,436		$	678		$	759		$	676

(a)Other revenue sources include revenues from leases, derivatives and alternative revenue programs that are not considered revenues from contracts with customers. Alternative revenue programs in certain jurisdictions include regulatory mechanisms that periodically adjust for over or under collection of related revenues.

Reserve for Credit Losses for Trade and Other Receivables

The following table presents the reserve for credit losses for trade and other receivables.

			Three Months Ended March 31, 2024 and 2025
						Duke						Duke			Duke			Duke			Duke
			Duke			Energy			Progress			Energy			Energy			Energy			Energy
(in millions)			Energy			Carolinas			Energy			Progress			Florida			Ohio			Indiana			Piedmont
Balance at December 31, 2023			$	205		$	56		$	74		$	44		$	31		$	9		$	5		$	11
Write-Offs			(32)			(12)			(16)			(7)			(9)			—			—			(1)
Credit Loss Expense			10			7			9			4			5			1			2			2
Other Adjustments			21			11			6			6			—			31			9			—
Balance at March 31, 2024			$	204		$	62		$	73		$	47		$	27		$	41		$	16		$	12
Balance at December 31, 2024			$	209		$	69		$	73		$	44		$	29		$	43		$	15		$	10
Write-Offs			(29)			(14)			(15)			(8)			(7)			—			—			—
Credit Loss Expense			14			5			8			5			3			1			—			—
Other Adjustments			10			4			1			1			—			2			2			—
Balance at March 31, 2025			$	204		$	64		$	67		$	42		$	25		$	46		$	17		$	10

X

- Definition

Tabular disclosure of allowance for credit loss on accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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X

- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-5

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X

- Definition

Tabular disclosure of expected timing for satisfying remaining performance obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-SubTopic 10
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-13

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