Goodwill and Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2024

Goodwill And Intangible Assets Disclosure [Abstract]

Segment allocation of goodwill

The changes in Dominion Energy’s carrying amount and segment allocation of goodwill are presented below:

	Dominion Energy Virginia		Dominion Energy South Carolina		Contracted Energy		Corporate and Other		Total
(millions)
Dominion Energy
Balance at December 31, 2022(1)	$	2,106	$	1,521	$	516	$	—	$	4,143
No events affecting goodwill		—		—		—		—		—
Balance at December 31, 2023(1)	$	2,106	$	1,521	$	516	$	—	$	4,143
No events affecting goodwill		—		—		—		—		—
Balance at December 31, 2024(1)	$	2,106	$	1,521	$	516	$	—	$	4,143

(1)Goodwill amounts do not contain any accumulated impairment losses.

Components of intangible assets

The components of intangible assets are as follows:

	2024				2023
At December 31,	Gross Carrying Amount		Accumulated Amortization		Gross Carrying Amount		Accumulated Amortization
(millions)
Dominion Energy
Software, licenses and other	$	1,645	$	708	$	1,477	$	627
Renewable energy credits and RGGI allowances(1)		199		—		708		613
Virginia Power
Software, licenses and other	$	911	$	291	$	802	$	243
Renewable energy credits and RGGI allowances(1)		198		—		707		613

(1)Includes $370 million and $209 million of renewable energy credits consumed and retired in 2024 and 2023, respectively. In addition, balances at December 31, 2023 includes $613 million of RGGI allowances consumed, including $198 million purchased and consumed in 2023, all of which were retired in 2024. All amounts for renewable energy credits and RGGI allowances were deferred to regulatory assets upon consumption.

Annual amortization expense of intangible assets

		2025		2026		2027		2028		2029
(millions)
Dominion Energy	$	84	$	75	$	64	$	51	$	39
Virginia Power	$	54	$	49	$	43	$	33	$	26