<SEC-DOCUMENT>0001130464-21-000024-index.html : 20210622
<SEC-HEADER>0001130464-21-000024.hdr.sgml : 20210622
<ACCEPTANCE-DATETIME>20210622170838
ACCESSION NUMBER:		0001130464-21-000024
CONFORMED SUBMISSION TYPE:	11-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20201231
FILED AS OF DATE:		20210622
DATE AS OF CHANGE:		20210622

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BLACK HILLS CORP /SD/
		CENTRAL INDEX KEY:			0001130464
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
		IRS NUMBER:				460458824
		STATE OF INCORPORATION:			SD
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		11-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31303
		FILM NUMBER:		211036151

	BUSINESS ADDRESS:	
		STREET 1:		7001 MT RUSHMORE RD
		STREET 2:		PO BOX 1400
		CITY:			RAPID CITY
		STATE:			SD
		ZIP:			57709
		BUSINESS PHONE:		6057212343

	MAIL ADDRESS:	
		STREET 1:		7001 MT RUSHMORE RD
		STREET 2:		PO BOX 1400
		CITY:			RAPID
		STATE:			SD
		ZIP:			57709

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACK HILLS HOLDING CORP
		DATE OF NAME CHANGE:	20001222
</SEC-HEADER>
<DOCUMENT>
<TYPE>11-K
<SEQUENCE>1
<FILENAME>bkh11-k2020.htm
<DESCRIPTION>11-K
<TEXT>
Document 1 - file: bkh11-k2020.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23
<SEQUENCE>2
<FILENAME>ex23bkh11-k2020.htm
<DESCRIPTION>EX-23
<TEXT>
Document 2 - file: ex23bkh11-k2020.htm

</DOCUMENT>
</SEC-DOCUMENT>