<SEC-DOCUMENT>0001209191-13-021132.txt : 20130411
<SEC-HEADER>0001209191-13-021132.hdr.sgml : 20130411
<ACCEPTANCE-DATETIME>20130411142635
ACCESSION NUMBER:		0001209191-13-021132
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20130408
FILED AS OF DATE:		20130411
DATE AS OF CHANGE:		20130411

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LIEBE ARVID R
		CENTRAL INDEX KEY:			0001191498

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-53713
		FILM NUMBER:		13755902

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

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Otter Tail Corp
		CENTRAL INDEX KEY:			0001466593
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		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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    <footnotes>
        <footnote id="F1">Distribution of Phantom Stock Units due to retirement from the Board of Directors in which he elected a lump sum payout.</footnote>
        <footnote id="F2">Phantom Stock Units acquired under the 1999 Stock Incentive Plan at fair market value as part of the Compensation Program for outside Directors.</footnote>
        <footnote id="F3">Distribution of Phantom Stock Units due to retirement from the Board of Directors in which he elected annual installments over a ten year period.</footnote>
        <footnote id="F4">Total direct holdings include shares acquired from Dividend Reinvestment and pursuant to Restricted Stock Award and Phantom Stock Unit distributions.</footnote>
        <footnote id="F5">1 -for -1</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Arvid R Liebe by Debra J Lill, Attorney-in-Fact</signatureName>
        <signatureDate>2013-04-11</signatureDate>
    </ownerSignature>
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</SEC-DOCUMENT>
