Operating Segments (Tables)

9 Months Ended

Sep. 30, 2023

Segment Reporting Information [Line Items]

Schedule of Primary Operating Segments

The Companies are organized primarily on the basis of products and services sold in the U.S. A description of the operations included in the Companies’ primary operating segments effective September 2023 is as follows:

Primary Operating Segment	Description of Operations	Dominion Energy	Virginia Power
Dominion Energy Virginia	Regulated electric distribution	X	X
	Regulated electric transmission	X	X
	Regulated electric generation fleet(1)	X	X
Dominion Energy South Carolina	Regulated electric distribution	X
	Regulated electric transmission	X
	Regulated electric generation fleet	X
	Regulated gas distribution and storage	X
Contracted Energy(2)	Nonregulated electric generation fleet(3)	X

(1)Includes Virginia Power’s non-jurisdictional solar generation operations.

(2)Includes renewable natural gas operations.

(3)Includes solar generation facility development operations.

Schedule of Segment Reporting Information, by Segment

The following table presents segment information pertaining to Dominion Energy’s operations:

	Dominion Energy Virginia			Dominion Energy South Carolina		Contracted Energy		Corporate and Other			Adjustments & Eliminations			Consolidated Total
(millions)
Three Months Ended September 30, 2023
Total revenue from external       customers	$	2,649		$	944	$	226	$	(9	)	$	—		$	3,810
Intersegment revenue		(4	)		1		6		231			(234	)		—
Total operating revenue		2,645			945		232		222			(234	)		3,810
Net loss from discontinued       operations		—			—		—		(554	)		—			(554	)
Net income (loss) attributable to       Dominion Energy		532			143		54		(566	)		—			163
Three Months Ended September 30, 2022
Total revenue from external       customers	$	2,870		$	915	$	240	$	(62	)	$	—		$	3,963
Intersegment revenue		(5	)		2		5		206			(208	)		—
Total operating revenue		2,865			917		245		144			(208	)		3,963
Net income from discontinued       operations		—			—		—		152			—			152
Net income (loss) attributable to       Dominion Energy		618			175		65		(80	)		—			778
Nine Months Ended September 30, 2023
Total revenue from external      customers	$	7,285		$	2,559	$	660	$	355		$	—		$	10,859
Intersegment revenue		(5	)		4		14		691			(704	)		—
Total operating revenue		7,280			2,563		674		1,046			(704	)		10,859
Net loss from discontinued      operations		—			—		—		(105	)		—			(105	)
Net income attributable to      Dominion Energy		1,308			302		123		26			—			1,759
Nine Months Ended September 30, 2022
Total revenue from external      customers	$	7,212		$	2,525	$	645	$	(247	)	$	—		$	10,135
Intersegment revenue		(12	)		6		15		625			(634	)		—
Total operating revenue		7,200			2,531		660		378			(634	)		10,135
Net income from discontinued      operations		—			—		—		775			—			775
Net income (loss) attributable to      Dominion Energy		1,576			408		95		(1,043	)		—			1,036

Virginia Electric and Power Company

Segment Reporting Information [Line Items]

Schedule of Segment Reporting Information, by Segment

The following table presents segment information pertaining to Virginia Power’s operations:

	Dominion Energy Virginia		Corporate and Other			Consolidated Total
(millions)
Three Months Ended September 30, 2023
Operating revenue	$	2,645	$	—		$	2,645
Net income (loss)		532		(59	)		473
Three Months Ended September 30, 2022
Operating revenue	$	2,865	$	10		$	2,875
Net income (loss)		618		(47	)		571
Nine Months Ended September 30, 2023
Operating revenue	$	7,280	$	—		$	7,280
Net income (loss)		1,308		(150	)		1,158
Nine Months Ended September 30, 2022
Operating revenue	$	7,200	$	17		$	7,217
Net income (loss)		1,576		(601	)		975