<SEC-DOCUMENT>0000066756-21-000045-index.html : 20210512
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<ACCEPTANCE-DATETIME>20210512163700
ACCESSION NUMBER:		0000066756-21-000045
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		16
CONFORMED PERIOD OF REPORT:	20210511
ITEM INFORMATION:		Submission of Matters to a Vote of Security Holders
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20210512
DATE AS OF CHANGE:		20210512

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALLETE INC
		CENTRAL INDEX KEY:			0000066756
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
		IRS NUMBER:				410418150
		STATE OF INCORPORATION:			MN
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-03548
		FILM NUMBER:		21915668

	BUSINESS ADDRESS:	
		STREET 1:		30 W SUPERIOR ST
		CITY:			DULUTH
		STATE:			MN
		ZIP:			55802-2093
		BUSINESS PHONE:		2182795000

	MAIL ADDRESS:	
		STREET 1:		30 W SUPERIOR STREET
		CITY:			DULUTH
		STATE:			MN
		ZIP:			55802-2093

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALLETE
		DATE OF NAME CHANGE:	20000901

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MINNESOTA POWER INC
		DATE OF NAME CHANGE:	19980603

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	MINNESOTA POWER & LIGHT CO
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>ale-20210511.htm
<DESCRIPTION>8-K ANNUAL MEETING RESULTS 2021
<TEXT>
Document 1 - file: ale-20210511.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>exhibit99-newsreleasedated.htm
<DESCRIPTION>EX-99
<TEXT>
Document 2 - file: exhibit99-newsreleasedated.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>3
<FILENAME>ale-20210511.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
<TEXT>
Document 3 - file: ale-20210511.xsd

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<DOCUMENT>
<TYPE>EX-101.CAL
<SEQUENCE>4
<FILENAME>ale-20210511_cal.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT
<TEXT>
Document 4 - file: ale-20210511_cal.xml

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<DOCUMENT>
<TYPE>EX-101.DEF
<SEQUENCE>5
<FILENAME>ale-20210511_def.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
<TEXT>
Document 5 - file: ale-20210511_def.xml

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<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>6
<FILENAME>ale-20210511_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
<TEXT>
Document 6 - file: ale-20210511_lab.xml

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<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>7
<FILENAME>ale-20210511_pre.xml
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<TEXT>
Document 7 - file: ale-20210511_pre.xml

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>logoallete201510ka141.jpg
<DESCRIPTION>ALLETE LOGO
<TEXT>
Document 8 - file: logoallete201510ka141.jpg

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<TYPE>XML
<SEQUENCE>9
<FILENAME>ale-20210511_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 9 - file: ale-20210511_htm.html

Document 9 - RAW XML: ale-20210511_htm.xml

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<SEQUENCE>10
<FILENAME>R1.htm
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<TEXT>
Document 10 - file: R1.htm

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<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>11
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 11 - file: Financial_Report.xlsx

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>12
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 12 - file: Show.js

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>13
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 13 - file: report.css

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>14
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 14 - file: FilingSummary.html

Document 14 - RAW XML: FilingSummary.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>16
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 16 - file: MetaLinks.json

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<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>17
<FILENAME>0000066756-21-000045-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 17 - file: 0000066756-21-000045-xbrl.zip

</DOCUMENT>
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