<SEC-DOCUMENT>0001593968-17-000065.txt : 20170106
<SEC-HEADER>0001593968-17-000065.hdr.sgml : 20170106
<ACCEPTANCE-DATETIME>20170106144646
ACCESSION NUMBER:		0001593968-17-000065
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20170101
FILED AS OF DATE:		20170106
DATE AS OF CHANGE:		20170106

ISSUER:		

	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:			0128

	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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Otto Robert P
		CENTRAL INDEX KEY:			0001693863

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31303
		FILM NUMBER:		17513954

	MAIL ADDRESS:	
		STREET 1:		PO BOX 1400
		CITY:			RAPID CITY
		STATE:			SD
		ZIP:			57709
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>primary_01.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2017-01-01</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0001130464</issuerCik>
        <issuerName>BLACK HILLS CORP /SD/</issuerName>
        <issuerTradingSymbol>BKH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001693863</rptOwnerCik>
            <rptOwnerName>Otto Robert P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>PO BOX 1400</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>RAPID CITY</rptOwnerCity>
            <rptOwnerState>SD</rptOwnerState>
            <rptOwnerZipCode>57709</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Phantom Stock Unit</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Trust</value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">1 for 1 conversion ratio</footnote>
        <footnote id="F2">Derivative security is exercisable upon retirement under terms of the agreement.</footnote>
        <footnote id="F3">Derivative security expires upon retirement under terms of the agreement.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/Lorna J. Gunderman</signatureName>
        <signatureDate>2017-01-06</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>ottopoa.txt
<DESCRIPTION>EX-24 DOCUMENT
<TEXT>






CONFIRMING STATEMENT




This statement confirms that the undersigned has authorized and designated
each of Brian G. Iverson, Richard W. Kinzley, Roxann R. Basham and Lorna J.
Gunderman, signing singly,
to execute and file on the undersigned's behalf all Forms 3, 4 and 5
(including any amendments thereto) that the undersigned may be required to
file with the U.S. Securities and
Exchange Commission as a result of the undersigned's ownership of or
transactions in securities of Black Hills Corporation (the "Company"). The
authority of Brian G. Iverson,
Richard W. Kinzley, Roxann R. Basham and Lorna J. Gunderman, under this
Statement shall continue until the undersigned is no longer required to
file Forms 3, 4 and 5 with regard
to the undersigned's ownership of or transactions in securities of the
Company, unless earlier revoked in writing. The undersigned acknowledges
that Brian G. Iverson, Richard W. Kinzley,
Roxann R. Basham and Lorna J. Gunderman, are not assuming, nor is the
Company assuming, any of the undersigned's responsibilities to comply with
Section 16 of the
Securities Exchange Act of 1934, as amended.







Date: December 16, 2016         /s/ Robert Otto

				Name: Robert P. Otto




</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
