CENTERPOINT ENERGY, INC.

Power of Attorney

	WHEREAS, the undersigned, in his or her capacity as a director or officer or
both, as the case may be, of CenterPoint Energy, Inc.,
a Texas corporation (the "Company"), may be required to file with the
Securities and Exchange Commission (the "Commission") under Section 16 of the
Securities Exchange Act of 1934, as amended, and the rules and regulations
promulgated thereunder (collectively, the "Exchange Act"), Forms 3, 4, and 5
or other reports, applications, and documents ("Forms") relating to the
undersigned's holdings of and transactions in securities of the Company;

	NOW, THEREFORE, the undersigned, in his or her capacity as a director or
officer or both, as the case may be, of the Company, does hereby appoint
Vincent A. Mercaldi, any duly appointed corporate secretary or assistant
corporate secretary of the Company, and each of them severally, as his or her
true and lawful attorney-in-fact or attorneys-in-fact and agent or agents with
power to act with or without the other and with full power of substitution and
resubstitution, to execute in his or her name, place and stead, in his or her
capacity as a director or officer or both, as the case may be, of the Company,
Forms and any and all amendments thereto and any and all instruments necessary
or incidental in connection therewith, if any, and to file the same with the
Commission and any stock exchange or similar authority.  Each said
attorney-in-fact and agent shall have full power and authority to do and
perform in the name and on behalf of the undersigned in any and all
capacities, every act whatsoever necessary or desirable to be done in the
premises, as fully and to all intents and purposes as the undersigned might or
could do in person, the undersigned hereby ratifying and approving the acts of
said attorney.  The powers and authority of each said attorney-in-fact and
agent herein granted shall remain in full force and effect until the
undersigned is no longer required to file Forms under the Exchange Act, unless
earlier revoked by the undersigned by giving written notice of such revocation
to the Company.  The undersigned acknowledges that the said 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 Exchange Act.

	IN WITNESS WHEREOF, the undersigned has executed this instrument this
19th day of December, 2023.

/s/ Darin M. Carroll
Name:  Darin M. Carroll