POWER OF ATTORNEY

       The undersigned hereby constitutes and appoints each of Lisa H.
Abbot, April R. Robinson, Karen L. Sedgwick and James M. Spira, or any of
them acting singly, as the undersigned's true and lawful attorney-in-fact
to:

(1) Prepare, execute, acknowledge, deliver and file for and on behalf of
the undersigned any and all forms, statements and reports (including, but
not limited to, Forms 3, 4 and 5 and Form ID and any amendments or
supplements to such forms) of the undersigned as a director or officer of
Sempra Energy or its subsidiaries, including, but not limited to, San
Diego Gas & Electric Company and Southern California Gas Company,
pursuant to Section 16(a) of the Securities Exchange Act of 1934 and the
rules and regulations promulgated thereunder, as amended from time to
time;

(2) Prepare, execute, acknowledge, deliver and file for and on behalf of
the undersigned any and all Form 144s (including any amendments or
supplements thereto) with respect to the sale of securities of Sempra
Energy by the undersigned, pursuant to Rule 144 of the Securities Act of
1933 and the rules and regulations promulgated thereunder, as amended
from time to time;

(3) Perform any and all acts in connection with the foregoing for and on
behalf of the undersigned as the attorney-in-fact so acting may deem
necessary or desirable to prepare, execute, acknowledge, deliver and file
any such forms, statements or reports with the Securities and Exchange
Commission and any stock exchange or similar authority; and

(4) Take any and all other action of any type whatsoever in connection
with the foregoing which, in the opinion of the attorney-in-fact so
acting, may be of benefit to, in the best interest of, or legally
required by the undersigned.

       The undersigned 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 granted in this power of attorney, as fully to all
intents and purposes as the undersigned might or could do if personally
present, with full power of substitution or revocation, and ratifies and
confirms 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 granted
herein.

       The undersigned acknowledges and agrees that the foregoing
attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not assuming nor does Sempra Energy or its subsidiaries
assume any of the undersigned's responsibilities to comply with Section
16 of the Securities Exchange Act of 1934 and Rule 144 under the
Securities Act of 1933.  The undersigned acknowledges and agrees that the
foregoing attorneys-in-fact are entitled to rely, without investigation,
on any and all information or instruction given to any of them by the
undersigned and/or Sempra Energy or its subsidiaries.

       This power of attorney shall supersede any power of attorney
previously granted by the undersigned with respect to the subject matter
herein and shall remain in full force and effect until the undersigned is
no longer obligated to file forms, statements or reports under Section 16
of the Securities Exchange Act of 1934 and under Rule 144 under the
Securities Act of 1933 with respect to the undersigned's holdings of or
transactions in securities issued by Sempra Energy or its subsidiaries,
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 24th day of October, 2022.

/s/ DIANA L. DAY
Diana L. Day