<SEC-DOCUMENT>0001562180-20-006785.txt : 20201118
<SEC-HEADER>0001562180-20-006785.hdr.sgml : 20201118
<ACCEPTANCE-DATETIME>20201118175709
ACCESSION NUMBER:		0001562180-20-006785
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20201116
FILED AS OF DATE:		20201118
DATE AS OF CHANGE:		20201118

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Geiselhart Michael C
		CENTRAL INDEX KEY:			0001374020

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-16681
		FILM NUMBER:		201326189

	MAIL ADDRESS:	
		STREET 1:		700 MARKET STREET
		CITY:			SAINT LOUIS
		STATE:			MO
		ZIP:			63101

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SPIRE INC
		CENTRAL INDEX KEY:			0001126956
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS DISTRIBUTION [4924]
		IRS NUMBER:				742976504
		STATE OF INCORPORATION:			MO
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		700 MARKET STREET
		CITY:			ST LOUIS
		STATE:			MO
		ZIP:			63101
		BUSINESS PHONE:		3143420500

	MAIL ADDRESS:	
		STREET 1:		700 MARKET STREET
		CITY:			ST LOUIS
		STATE:			MO
		ZIP:			63101

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	LACLEDE GROUP INC
		DATE OF NAME CHANGE:	20001024
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primarydocument.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-11-16</periodOfReport>

    <notSubjectToSection16>false</notSubjectToSection16>

    <issuer>
        <issuerCik>0001126956</issuerCik>
        <issuerName>SPIRE INC</issuerName>
        <issuerTradingSymbol>SR</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001374020</rptOwnerCik>
            <rptOwnerName>Geiselhart Michael C</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>700 MARKET STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>SAINT LOUIS</rptOwnerCity>
            <rptOwnerState>MO</rptOwnerState>
            <rptOwnerZipCode>63101</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>false</isDirector>
            <isOfficer>true</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle>Senior Vice President</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2020-11-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>552.00</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>63.52</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>26252.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-11-16</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>false</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2670.00</value>
                    <footnoteId id="F2"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>63.52</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2670.00</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3870.00</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Represents the number of shares withheld for the payment of taxes incident to the vesting of 1,290 shares of time-vested restricted stock.</footnote>
        <footnote id="F2">Represents phantom stock vesting to the reporting person pursuant to his election to defer into his deferred income plan account 2,670 shares of vested performance contingent stock. Each share of phantom stock is the economic equivalent of one share of Spire Inc. common stock. Vested shares of phantom stock are payable in cash to the reporting person upon separation of employment and can be transferred to other investments within the reporting person's deferred income plan account at any time at least six months after this vesting.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Ellen Theroff, Attorney-in-Fact for Geiselhart Michael C</signatureName>
        <signatureDate>2020-11-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>geiselhart.txt
<DESCRIPTION>EXHIBIT 24
<TEXT>
Exhibit 24

POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby constitutes
and appoints each of S. P. Rasche, M. C. Darrell, E. L. Theroff 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. Forms 3, 4 and 5 in accordance
with Section 16a 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 infact 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 facts
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.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed this 15th day of January, 2020.

/s/ Michael C. Geiselhart
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
