UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

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FORM 8-K

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CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported) April 26, 2005

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BLACK HILLS CORPORATION
(Exact name of registrant as specified in its charter)

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South Dakota
(State or other jurisdiction of incorporation)

001-31303
(Commission File Number)

625 Ninth Street, PO Box 1400
Rapid City, South Dakota
(Address of principal executive offices) 46-0458824
(IRS Employer Identification No.)

57709-1400
(Zip Code)

605.721.1700
(Registrant's telephone number, including area code)

Not Applicable
(Former name or former address, if changed since last report)

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        Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

        Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

        Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

        Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

        Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01.     Other Events.

                On April 26, 2005, the Board of Directors of Black Hills elected David R. Emery Chairman of the Board. Mr. Emery replaces Daniel P. Landguth, who was Chairman since 1991, and who will retire from the Board of Directors effective at the Annual Meeting of Shareholders on May 25, 2005.

The press release is attached as Exhibit 99 to this Form 8-K.

Item 9.01      Financial Statements and Exhibits

(c) Exhibits

99  Press Release dated April 28, 2005.

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SIGNATURES

        Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

                              BLACK HILLS CORPORATION

                               By:    /s/ Mark T. Thies
                                        Mark T. Thies
                                        Executive Vice President
                                              and Chief Financial Officer

Date: April 28, 2005

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