Item 7.01 Regulation FD Disclosure.

On December 2-4, 2008, Robert Rowe, president and chief executive officer; Brian Bird, vice president and chief financial officer; David Gates, vice president - wholesale operations; Paul Evans, Treasurer; and Dan Rausch, director - investor relations, of NorthWestern Corporation d/b/a NorthWestern Energy (NYSE: NWE) (the "Company"), will be meeting with certain analysts and shareholders in New York and Boston.

A copy of the slide presentation is being furnished pursuant to Regulation FD as Exhibit 99.1 to this Current Report on Form 8-K and is herein incorporated by reference. The information in the slide presentation shall not be deemed to be "filed" for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section. Furthermore, the slide presentation shall not be deemed to be incorporated by reference into the Company's filings under the Securities Act of 1933, as amended, or under the Securities Exchange Act of 1934, as amended, except as set forth with respect thereto in any such filing.

Item 9.01 Financial Statements and Exhibits.

EXHIBIT NO. DESCRIPTION OF DOCUMENT
99.1* Slide presentation dated December 3, 2008

* filed herewith