Contact Us
Montana (888) 467-2669
South Dakota / Nebraska (800) 245-6977

Customer Service

Residential or Business Customer Service, weekdays 7 am - 6 pm

(888) 467-2669
South Dakota / Nebraska
(800) 245-6977

Bill Payment Address

NorthWestern Energy
11 E. Park St.
Butte, MT 59701-1711

Are you moving?

Complete the online establish service request for residential accounts. If you are trying to establish service for non-residential accounts please call us.

Account Questions?

Submit a question about your account using our online account inquiry form and a customer service representative will follow up with you.
Please do not use this form to report emergencies.

Our Locations

Find NWE Customer Service offices in your community.

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Other Questions

If you haven't found the answer to your question here, please email us.

Inquiry Forms

If you would like to submit an inquiry online you can utilize one of the following forms.