POWER OF ATTORNEY

		Know all by these presents, that the undersigned,
DINYAR B. MISTRY, hereby constitutes and appoints each of Linda
Y.H. Cheng, Eric Montizambert, Wondy S. Lee, and Eileen O. Chan,
signing singly, the undersigned?s true and lawful attorney-in-fact
to:

	(1)	prepare, execute in the undersigned?s name and on the
undersigned?s behalf, and submit to the United States Securities
and Exchange Commission (SEC) a Form ID, including
amendments thereto, and any other documents necessary or
appropriate to obtain codes and passwords enabling the
undersigned to make electronic filings with the SEC of reports
required by Section 16(a) of the Securities Exchange Act of 1934
or any rule or regulation of the SEC;

	(2)	execute for and on behalf of the undersigned
Forms 3, 4, and 5 in accordance with Section 16(a) of the
Securities Exchange Act of 1934 and the rules thereunder and
any other forms or reports the undersigned may be required to
file in connection with the undersigned?s ownership, acquisition,
or disposition of securities of PACIFIC GAS AND ELECTRIC COMPANY;

	(3)	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 such Form 3, 4, or 5, or other form or report, and
timely file such form or report with the SEC and any other
authority; and

	(4)	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 the substitute or
substitutes of such attorney-in-fact, 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 a
ssuming, nor is PACIFIC GAS AND ELECTRIC COMPANY assuming, any of the
undersigned?s responsibilities to comply with Section 16 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 3, 4, and 5
with respect to the undersigned?s holdings of and transactions in PACIFIC
GAS AND ELECTRIC COMPANY securities, unless earlier revoked by the
undersigned in a signed writing delivered to any of the foregoing
attorneys-in-fact; provided, however, that this Power of Attorney shall
immediately terminate as to any of the foregoing attorneys-in-fact when
such attorney-in-fact ceases to hold the position of Corporate Secretary
or Assistant Corporate Secretary of PACIFIC GAS AND ELECTRIC COMPANY.

		IN WITNESS WHEREOF, the undersigned has caused this Power
of Attorney to be executed as of this first day of March, 2010.


						/s/ Dinyar B. Mistry
							     Signature