-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
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 KZt2PNEzTydlk2U2ltY+Og==

<SEC-DOCUMENT>0001130464-07-000130.txt : 20070330
<SEC-HEADER>0001130464-07-000130.hdr.sgml : 20070330
<ACCEPTANCE-DATETIME>20070330171854
ACCESSION NUMBER:		0001130464-07-000130
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20070330
DATE AS OF CHANGE:		20070330
EFFECTIVENESS DATE:		20070330

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:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-141727
		FILM NUMBER:		07734226

	BUSINESS ADDRESS:	
		STREET 1:		625 9TH STREET
		STREET 2:		PO BOX 1400
		CITY:			RAPID CITY
		STATE:			SD
		ZIP:			57709
		BUSINESS PHONE:		6057212343

	MAIL ADDRESS:	
		STREET 1:		625 9TH STREET
		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>S-3ASR
<SEQUENCE>1
<FILENAME>form_s-3shelfregstmt.htm
<DESCRIPTION>BHC SHELF REGISTRATION STATEMENT
</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>img1.jpg
<DESCRIPTION>GRAPHIC
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5
<SEQUENCE>3
<FILENAME>ex5.htm
<DESCRIPTION>HELMERS OPINION
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>4
<FILENAME>ex23_1.htm
<DESCRIPTION>ENGINEER CONSENT
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>5
<FILENAME>ex23_2.htm
<DESCRIPTION>DELOITTE & TOUCHE CONSENT
</DOCUMENT>
</SUBMISSION>