<SEC-DOCUMENT>0001193125-20-065955-index.html : 20200309
<SEC-HEADER>0001193125-20-065955.hdr.sgml : 20200309
<ACCEPTANCE-DATETIME>20200309070109
ACCESSION NUMBER:		0001193125-20-065955
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		30
CONFORMED PERIOD OF REPORT:	20200420
FILED AS OF DATE:		20200309
DATE AS OF CHANGE:		20200309
EFFECTIVENESS DATE:		20200309

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

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-53713
		FILM NUMBER:		20696513

	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>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>d864412ddef14a.htm
<DESCRIPTION>DEF 14A
<TEXT>
Document 1 - file: d864412ddef14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g864412g02l12.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g864412g02l12.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g864412g06z79.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g864412g06z79.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g864412g15b47.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g864412g15b47.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g864412g16o58.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g864412g16o58.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g864412g19u34.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: g864412g19u34.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>g864412g23g66.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: g864412g23g66.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g864412g36q55.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g864412g36q55.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g864412g43r71.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g864412g43r71.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g864412g46x71.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g864412g46x71.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g864412g51a48.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g864412g51a48.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g864412g63x92.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g864412g63x92.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g864412g67b82.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g864412g67b82.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g864412g71c73.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g864412g71c73.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>g864412g75f10.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: g864412g75f10.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>g864412g84i78.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: g864412g84i78.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>g864412g85e82.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: g864412g85e82.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>g864412g94j40.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: g864412g94j40.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>g864412g94q92.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: g864412g94q92.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>20
<FILENAME>g864412g98e73.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 20 - file: g864412g98e73.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>21
<FILENAME>g864412pcpg01a.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 21 - file: g864412pcpg01a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>22
<FILENAME>g864412pcpg01b.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 22 - file: g864412pcpg01b.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>23
<FILENAME>g864412pcpg01c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 23 - file: g864412pcpg01c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>24
<FILENAME>g864412pcpg01d.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 24 - file: g864412pcpg01d.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>25
<FILENAME>g864412pcpg01e.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 25 - file: g864412pcpg01e.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>26
<FILENAME>g864412pcpg02.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 26 - file: g864412pcpg02.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>27
<FILENAME>g864412pcpg03a.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 27 - file: g864412pcpg03a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>28
<FILENAME>g864412pcpg04a.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 28 - file: g864412pcpg04a.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>29
<FILENAME>g864412pcpg04b.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 29 - file: g864412pcpg04b.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>30
<FILENAME>g864412pcpg04c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 30 - file: g864412pcpg04c.jpg

</DOCUMENT>
</SEC-DOCUMENT>