<SEC-DOCUMENT>0001466593-25-000023.txt : 20250213
<SEC-HEADER>0001466593-25-000023.hdr.sgml : 20250213
<ACCEPTANCE-DATETIME>20250213171057
ACCESSION NUMBER:		0001466593-25-000023
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250211
FILED AS OF DATE:		20250213
DATE AS OF CHANGE:		20250213

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			MACFARLANE CHARLES S
		CENTRAL INDEX KEY:			0001278053
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-53713
		FILM NUMBER:		25621532

	MAIL ADDRESS:	
		STREET 1:		215 S CASCADE ST
		CITY:			FERGUS FALLS
		STATE:			MN
		ZIP:			56537-2801

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Otter Tail Corp
		CENTRAL INDEX KEY:			0001466593
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		ORGANIZATION NAME:           	01 Energy & Transportation
		IRS NUMBER:				270383995
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		215 S CASCADE ST
		STREET 2:		PO BOX 496
		CITY:			FERGUS FALLS
		STATE:			MN
		ZIP:			56538-0496
		BUSINESS PHONE:		866-410-8780

	MAIL ADDRESS:	
		STREET 1:		215 S CASCADE ST
		STREET 2:		PO BOX 496
		CITY:			FERGUS FALLS
		STATE:			MN
		ZIP:			56538-0496

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Otter Tail Holding Co
		DATE OF NAME CHANGE:	20090618
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
<FILENAME>wk-form4_1739484651.xml
<DESCRIPTION>FORM 4
<TEXT>
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        <issuerName>Otter Tail Corp</issuerName>
        <issuerTradingSymbol>OTTR</issuerTradingSymbol>
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            <rptOwnerName>MACFARLANE CHARLES S</rptOwnerName>
        </reportingOwnerId>
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            <rptOwnerStreet1>215 SOUTH CASCADE STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>FERGUS FALLS</rptOwnerCity>
            <rptOwnerState>MN</rptOwnerState>
            <rptOwnerZipCode>56537</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>President &amp; CEO</officerTitle>
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    <aff10b5One>0</aff10b5One>

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            </securityTitle>
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            </transactionDate>
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                <transactionFormType>4</transactionFormType>
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                <natureOfOwnership>
                    <value>by Spousal Lifetime Access Trust</value>
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            <ownershipNature>
                <directOrIndirectOwnership>
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                <natureOfOwnership>
                    <value>by ESOP</value>
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            </ownershipNature>
        </nonDerivativeHolding>
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                <value>Restricted Stock Units</value>
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                <value>2024-02-06</value>
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                <footnoteId id="F5"/>
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                <underlyingSecurityTitle>
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                <footnoteId id="F5"/>
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                <footnoteId id="F5"/>
            </expirationDate>
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                <underlyingSecurityTitle>
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                <sharesOwnedFollowingTransaction>
                    <value>5925</value>
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    <footnotes>
        <footnote id="F1">Represents shares received upon the vesting of certain performance criteria in connection with a Performance Share Award (granted in 2022).</footnote>
        <footnote id="F2">These shares were withheld by the Corporation to pay taxes due upon vesting of this award, exempt pursuant to Rule 16b-3(e).</footnote>
        <footnote id="F3">Total direct holdings include shares acquired through the Dividend Reinvestment Plan, the Employee Stock Purchase Plan and shares acquired pursuant to Stock Options, Restricted Stock Awards, Restricted Stock Units and Performance Share Awards.</footnote>
        <footnote id="F4">Each restricted stock unit represents a contingent right to receive one share of Otter Tail Corporation stock.</footnote>
        <footnote id="F5">The restricted stock units vest in four equal annual installments beginning the date shown above.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Charles S. MacFarlane by James A. Versteeg, Attorney-in-Fact</signatureName>
        <signatureDate>2025-02-13</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
