NorthWestern Energy

  • Utilities
1944 Monad Rd
PO Box 80330
Billings, MT 59108-0330
(406) 655-6433
(888) 467-2669
(406) 655-2510 (fax)
  • About

    NorthWestern Energy provides electricity and natural gas in the Upper Midwest and Northwest, serving approximately 678,200 customers in Montana, South Dakota and Nebraska. More information on NorthWestern Energy is available on the company's website at www.northwesternenergy.com .

  • Whom to Contact

    • Lisa Perry
      Manager Community Relations
      Phone: (406) 655-2541
      Fax: (406) 655-2510