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For more than 100 years, NorthWestern Energy has provided reliable, affordable electricity and natural gas to customers in Missoula. Our company got its start in small communities, providing essential service that allowed towns and cities to grow and prosper. Today, we are a financially sound energy company proudly serving more than 709,000 residential and business customers throughout Montana, South Dakota and Nebraska.

With an eye on the future, we are making significant investments in renewable energy. Currently, more than 60 percent of the energy we provide our Montana customers comes from renewable and carbon-free water, wind and solar generation. It’s this commitment to clean energy that keeps our energy reliable and our rates stable. And it’s one of the many ways we deliver a bright future to existing and new customers – like you.

Start New Service

To start new service with NorthWestern Energy, visit our website and click on My Energy Account from the homepage. Once you create an account, you can start, stop or transfer service anytime, from anywhere. You can also:

  • Access your account information 24/7
  • Track your energy use
  • Sigh up for paperless billing
  • Sight up for EZ Pay
  • Make a one-time payment
  • Report a power outage

Contact NorthWestern Energy

Residential or Business Customer Service

Weekdays 7 am - 6 pm

Montana

(888) 467-2669

Bill Payment Address

NorthWestern Energy

11 E. Park St.

Butte, MT 59701-1711