<SUBMISSION>
<ACCESSION-NUMBER>0001130464-05-000221
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20050512
<FILING-DATE>20050516
<DATE-OF-FILING-DATE-CHANGE>20050516
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>MATTERN JAMES M
<CIK>0001194865
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-31303
<FILM-NUMBER>05833830
</FILING-VALUES>
<MAIL-ADDRESS>
<STREET1>P O BOX 1400
<CITY>RAPID CITY
<STATE>SD
<ZIP>57709
</MAIL-ADDRESS>
</REPORTING-OWNER>
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>BLACK HILLS CORP /SD/
<CIK>0001130464
<ASSIGNED-SIC>4911
<IRS-NUMBER>460458824
<STATE-OF-INCORPORATION>SD
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>625 9TH STREET
<STREET2>PO BOX 1400
<CITY>RAPID CITY
<STATE>SD
<ZIP>57709
<PHONE>6057212343
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>625 9TH STREET
<STREET2>PO BOX 1400
<CITY>RAPID
<STATE>SD
<ZIP>57709
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>BLACK HILLS HOLDING CORP
<DATE-CHANGED>20001222
</FORMER-COMPANY>
</ISSUER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>mat214.xml
<TEXT>
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            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>RAPID CITY</rptOwnerCity>
            <rptOwnerState>SD</rptOwnerState>
            <rptOwnerZipCode>577091400</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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                <value>Common Stock</value>
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        </nonDerivativeTransaction>
        <nonDerivativeHolding>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
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                    <value>By Immediate Family</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
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    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
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                <transactionPricePerShare>
                    <value>16.6700</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
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            <exerciseDate>
                <value>1999-11-22</value>
            </exerciseDate>
            <expirationDate>
                <value>2006-11-22</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Option (Right to Buy)</value>
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                <value>16.6700</value>
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                <value>2005-05-12</value>
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                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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                <transactionShares>
                    <value>3000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>16.6700</value>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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            <exerciseDate>
                <value>1997-11-22</value>
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            <expirationDate>
                <value>2006-11-22</value>
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                    <value>0.0000</value>
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        <derivativeTransaction>
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            <deemedExecutionDate></deemedExecutionDate>
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                <transactionCode>M</transactionCode>
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                <transactionShares>
                    <value>3000</value>
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                <transactionPricePerShare>
                    <value>16.6700</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
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            <exerciseDate>
                <value>1998-11-22</value>
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                <underlyingSecurityTitle>
                    <value>Common Stock</value>
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                <underlyingSecurityShares>
                    <value>3000.0000</value>
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                    <value>0.0000</value>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
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            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>By: Roxann R. Basham, by power of attorney</signatureName>
        <signatureDate>2005-05-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
