As of May 2013
NorthWestern Energy tariffs are provided online for both electric and natural gas services. The drop-down menus below provide links to the online tariffs.
Natural Gas Rates
Note: NorthWestern Energy provides natural gas and electricity services through tariffs filed with and approved by the South Dakota Public Utilities Commission. Users of electronic tariffs should note that such tariffs are not the official documents, and users assume responsibility for reliance upon tariffs in electronic format.
If you have a question about our electric or natural gas rates, you may contact us via e-mail.
The rate schedules are in .PDF format. If you do not have Adobe Acrobat Reader installed on your computer, you will need to download it free from the Adobe Site to view the documents.
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