Investments (Tables)

9 Months Ended

Sep. 30, 2023

Equity and Debt Securities and Cash Equivalents and Cost Method Investments in Decommissioning Trust Funds

The Companies' decommissioning trust funds are summarized below:

	Dominion Energy												Virginia Power
	Amortized Cost		Total Unrealized Gains		Total Unrealized Losses				Allowance for Credit Losses		Fair Value		Amortized Cost		Total Unrealized Gains		Total Unrealized Losses				Allowance for Credit Losses		Fair Value
(millions)
September 30, 2023
Equity securities:(1)
U.S.	$	1,399	$	2,860	$	(31	)				$	4,228	$	870	$	1,490	$	(28	)				$	2,332
Fixed income securities:(2)
Corporate debt    instruments		545		—		(53	)		$	—		492		324		—		(39	)		$	—		285
Government    securities		1,340		—		(91	)			—		1,249		737		—		(49	)			—		688
Common/    collective    trust funds		66		—		—				—		66		52		—		—				—		52
Insurance    contracts		228		—		—						228		—
Cash equivalents    and other(3)		82		—		—				—		82		43		—		—				—		43
Total	$	3,660	$	2,860	$	(175	)	(4)	$	—	$	6,345	$	2,026	$	1,490	$	(116	)	(4)	$	—	$	3,400
December 31, 2022
Equity securities:(1)
U.S.	$	1,378	$	2,501	$	(46	)				$	3,833	$	858	$	1,304	$	(35	)				$	2,127
Fixed income securities:(2)
Corporate debt    instruments		640		1		(65	)		$	—		576		406		1		(47	)		$	—		360
Government    securities		1,252		4		(70	)			—		1,186		664		2		(35	)			—		631
Common/    collective    trust funds		98		—		—				—		98		61		—		—				—		61
Insurance    contracts		221		—		—						221
Cash equivalents    and other(3)		43		—		—				—		43		23		—		—				—		23
Total	$	3,632	$	2,506	$	(181	)	(4)	$	—	$	5,957	$	2,012	$	1,307	$	(117	)	(4)	$	—	$	3,202

(1)Unrealized gains and losses on equity securities are included in other income (expense) and the nuclear decommissioning trust regulatory liability.

(2)Unrealized gains and losses on fixed income securities are included in AOCI and the nuclear decommissioning trust regulatory liability. Changes in allowance for credit losses are included in other income (expense).

(3)Dominion Energy includes pending sales of securities of $39 million and $42 million at September 30, 2023 and December 31, 2022, respectively. Virginia Power includes pending sales of securities of $20 million and $24 million at September 30, 2023, and December 31, 2022, respectively.

(4)Dominion Energy's fair value of securities in an unrealized loss position was $1.9 billion and $1.6 billion at September 30, 2023 and December 31, 2022, respectively. Virginia Power's fair value of securities in an unrealized loss position was $1.1 billion and $946 million at September 30, 2023 and December 31, 2022, respectively.

Unrealized Gain Loss on Equity

The portion of unrealized gains and losses that relates to equity securities held within Dominion Energy and Virginia Power’s nuclear decommissioning trusts is summarized below:

	Dominion Energy											Virginia Power
	Quarter-to-Date						Year-to-Date					Quarter-to-Date						Year-to-Date
Period Ended September 30,	2023			2022			2023		2022			2023			2022			2023		2022
(millions)
Net gains (losses) recognized during    the period	$	(150	)	$	(205	)	$	370	$	(1,123	)	$	(80	)	$	(118	)	$	189	$	(581	)
Less: Net (gains) losses recognized    during the period on securities    sold during the period		1			(2	)		4		3			(1	)		(4	)		2		(8	)
Unrealized gains (losses) recognized    during the period on securities still    held at period end(1)	$	(149	)	$	(207	)	$	374	$	(1,120	)	$	(81	)	$	(122	)	$	191	$	(589	)

(1)Included in other income (expense) and the nuclear decommissioning trust regulatory liability.

Investments Classified by Contractual Maturity Date

The fair value of Dominion Energy and Virginia Power’s fixed income securities with readily determinable fair values held in nuclear decommissioning trust funds at September 30, 2023 by contractual maturity is as follows:

	Dominion Energy		Virginia Power
(millions)
Due in one year or less	$	89	$	62
Due after one year through five years		477		244
Due after five years through ten years		394		239
Due after ten years		847		480
Total	$	1,807	$	1,025

Marketable Securities

Presented below is selected information regarding Dominion Energy and Virginia Power’s equity and fixed income securities with readily determinable fair values held in nuclear decommissioning trust funds.

	Dominion Energy								Virginia Power
	Quarter-to-Date				Year-to-Date				Quarter-to-Date				Year-to-Date
Period Ended September 30,	2023		2022		2023		2022		2023		2022		2023		2022
(millions)
Proceeds from sales	$	869	$	605	$	2,007	$	2,686	$	535	$	425	$	1,254	$	1,289
Realized gains(1)		5		17		48		132		4		14		29		40
Realized losses(1)		33		50		110		247		16		33		61		85

(1)Includes realized gains and losses recorded to the nuclear decommissioning trust regulatory liability.