POWER OF ATTORNEY

Know all by these presents, that the undersigned
hereby constitutes and appoints each of
Stephanie Zapata Moore, Carrie Lee Kirby,
Yuki Whitmire, Daniela Gutierrez and Katherine Reilly
and their successors in office and designees,
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
U.S. Securities and Exchange Commission (the "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, in
the undersigned's capacity as an officer and/or
director of Vistra Corp. (the "Company"), Forms 3, 4, and 5
in accordance with Section 16(a) of the
Securities Exchange Act of 1934 and the rules thereunder;

(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,
complete and execute any amendment or amendments thereto,
and timely file such form with the SEC and any
stock exchange or similar 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 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 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 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 18th day of March, 2024.


		/s/ John William Pitesa
			Signature


			John William Pitesa
			Print Name