POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby constitutes and appoints
each of E. L. Theroff, M. C. Darrell, S. P. Rasche and C. M. Vomund, signing
singly, the undersigneds true and lawful attorney-in-fact to:

(1) complete, execute for and file with the Securities and Exchange Commission
a Form ID on behalf of the undersigned for CIK, CCC and Password codes to use
to file Forms 3, 4 and 5 on behalf of the undersigned;

(2) execute for and on behalf of the undersigned, in the undersigneds capacity
as a reporting person of Spire Inc. (the Company), Forms 3, 4 and 5 in
accordance with Section 16(a) of the Securities Exchange Act of 1934,
as amended, and the rules thereunder (the Act);

(3)do and perform any and all acts for and on behalf of the undersigned that
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 United States Securities and Exchange Commission and any stock
exchange or similar authority; and

(4)take any other action of any type whatsoever in connection with the
foregoing that, 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-facts 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
undersigneds responsibilities to comply with Section 16 of the Act.

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 undersigneds 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.

All power of attorney documents previously executed by the undersigned that
granted the same authority as granted herein are hereby revoked.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed this 11th day of November 2021.

/s/ Carrie J. Hightman