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    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		110
    CONFORMED PERIOD OF REPORT:	20241231
    FILED AS OF DATE:		20250303
    DATE AS OF CHANGE:		20250303
    EFFECTIVENESS DATE:		20250303

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

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    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	000-53713
    		FILM NUMBER:		25694580

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    		STREET 2:		PO BOX 496
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    		STREET 2:		PO BOX 496
    		CITY:			FERGUS FALLS
    		STATE:			MN
    		ZIP:			56538-0496

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