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    ACCESSION NUMBER:		0001466593-21-000014
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		31
    CONFORMED PERIOD OF REPORT:	20201231
    FILED AS OF DATE:		20210303
    DATE AS OF CHANGE:		20210303

    FILER:

    	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

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    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-53713
    		FILM NUMBER:		21707571

    	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

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    		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
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