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  • NorthWestern Energy

    • Public Utilities & Environment
    104 N. Egan Ave.
    Madison, SD 57042
    (800) 245-6977
    • About

      About NorthWestern Energy (NYSE: NWE)
      NorthWestern provides electricity and / or natural gas to approximately 726,400 customers in Montana, South Dakota, and Nebraska. We have generated and distributed electricity in South Dakota and distributed natural gas in South Dakota and Nebraska since 1923 and have generated and distributed electricity and distributed natural gas in Montana since 2002. More information on NorthWestern is available on the company’s website at www.northwesternenergy.com.

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