Exhibit 24
POWER OF ATTORNEY

	The undersigned hereby constitutes and appoints each
of Carter M. Reid, Amanda B. Tornabene, and Karen W. Doggett,
signing singly, the undersigned's true and lawful
attorney-in-fact to:

(1)	execute for and on behalf of the undersigned, in the
undersigned's capacity as an officer and/or director
of Dominion Energy, Inc. and/or its subsidiaries
(the Company), Form 144, in accordance with the
Securities Act of 1933 and the rules thereunder; and
Forms ID, 3, 4, and 5, or such other documents as the United
States Securities and Exchange Commission may require, in
accordance with Section 16(a) of the Securities Exchange Act
of 1934 and the rules thereunder;
(2)	do and perform any and all acts for and on behalf of
the undersigned which may be necessary or desirable
to complete and execute any Forms ID, 3, 4, 5 or 144,
complete and execute any amendment or amendments thereto,
and timely file such form with the United States
Securities and Exchange Commission and any stock
exchange or similar authority; and
(3)	take any other action of any type whatsoever in
connection with the foregoing which, in the opinion
of such attorney-in-fact, may be of benefit to, in
the best interest of, or legally required by, the
undersigned, it being understood that the documents
executed by such attorney-in-fact on behalf of the
undersigned pursuant to this Power of Attorney shall
be in such form and shall contain such terms and
conditions as such attorney-in-fact may approve in
such attorney-in-fact's discretion.

       The undersigned hereby grants to each such attorney-in-
fact full power and authority to do and perform any and every
act and thing whatsoever requisite, necessary, or proper to be
done in the exercise of any of the rights and powers herein
granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full
power of substitution or revocation, hereby ratifying and
confirming all that such attorney-in-fact, or such attorney-
in-fact's substitute or substitutes, shall lawfully do or
cause to be done by virtue of this power of attorney and the
rights and powers herein granted.  The undersigned
acknowledges that the foregoing attorneys-in-fact, in serving
in such capacity at the request of the undersigned, are not
assuming, nor is the Company assuming, any of the
undersigned's responsibilities to comply with the Securities
Act of 1933 or Section 16(a) of the Securities Exchange Act of
1934.

       This Power of Attorney shall remain in full force and
effect until the undersigned is no longer required to file
Forms ID, 3, 4, 5 and 144 with respect to the undersigned's
holdings of and transactions in securities issued by the
Company, unless earlier revoked by the undersigned in a signed
writing delivered to the foregoing attorneys-in-fact.

       	IN WITNESS WHEREOF, the undersigned has caused this
Power of Attorney to be executed as of this 9th day of November
2022.


      /s/Steven D. Ridge
       Steven D. Ridge