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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549


                                    FORM 8-K


                                 CURRENT REPORT

     Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934


        Date of Report (Date of earliest event reported): March 12, 2004


                            NorthWestern Corporation
             (Exact name of registrant as specified in its charter)


            Delaware                        0-692                46-0172280
(State or other jurisdiction of   (Commission File Number)     (IRS Employer
         incorporation)                                      Identification No.)

              125 South Dakota Avenue                                 57104
             Sioux Falls, South Dakota                             (Zip Code)
      (Address of principal executive offices)

                                 (605) 978-2908
                         (Registrant's telephone number,
                              including area code)


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Item 5.        Other Events and Regulation FD Disclosure

On March 12,  2004,  NorthWestern  Corporation  (the  "Company")  issued a press
release  announcing  that the  Company  had filed a Plan of  Reorganization  and
Disclosure  Statement  with  the  U.S.  Bankruptcy  Court  for the  District  of
Delaware.  The press release also  announced the Company's  capital  expenditure
estimates for 2004 through 2008,  discussed certain  contributions it intends to
make to certain  qualified  pension  plans it maintains  for its  employees  and
discussed  certain  settlements  with  respect to the  Milltown  Dam and certain
securities litigation.  The press release is included as Exhibit 99.1 hereto and
is incorporated herein by reference.


Item 7.           Financial Statements and Exhibits

EXHIBIT NO.       DESCRIPTION OF DOCUMENT
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99.1*             Press Release of NorthWestern Corporation dated March 12, 2004
* filed herewith


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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.


                                    NorthWestern Corporation


                                    By:   /s/ Roger Schrum
                                         ---------------------------------------
                                         Roger Schrum
                                         Vice President - Human Resources and
                                         Communications

Date:  March 12, 2004


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                                Index to Exhibits
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EXHIBIT NO.       DESCRIPTION OF DOCUMENT
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99.1*             Press Release of NorthWestern Corporation dated March 12, 2004
* filed herewith


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