Our Natural Gas and Electric Service
NorthWestern Energy serves communities in Montana, South Dakota and Yellowstone National Park with safe and reliable electricity. We serve natural gas to communities in Montana, South Dakota and Nebraska.
Our Company
For more than 100 years, NorthWestern Energy has been committed to delivering safe, reliable and innovative energy solutions.
We serve gas and electric to customers in the western two-thirds of Montana and eastern South Dakota. We also have gas service in Nebraska and serve electricity to Yellowstone National Park.
NorthWestern owns and operates a diverse generation fleet of wind, water, natural gas and coal-fired resources and the high-voltage electric transmission system and distribution system. We also own and operate natural gas production, transmission and distribution systems.
We serve gas and electric to customers in the western two-thirds of Montana and eastern South Dakota. We also have gas service in Nebraska and serve electricity to Yellowstone National Park.
NorthWestern owns and operates a diverse generation fleet of wind, water, natural gas and coal-fired resources and the high-voltage electric transmission system and distribution system. We also own and operate natural gas production, transmission and distribution systems.
Enriching Lives Through a Safe, Sustainable Energy Future
Enriching Lives Through a Safe, Sustainable Energy Future
NorthWestern Energy has provided reliable and affordable electricity and natural gas to customers in Montana, South Dakota and Nebraska for more than 100 years.
Our Commitment to Sustainability
Sustainability means meeting today’s needs while planning for tomorrow’s as well.
NorthWestern Energy at a glance
850,300
customers served across Montana, South Dakota, Nebraska and Yellowstone National Park
1,667
employees working across our service territory
52%
carbon-free electric generation
Our vision
Enriching lives through a safe and sustainable energy future.
Our mission
Working together to deliver safe, reliable and affordable energy.
Our values
SERVICE: Safety, Excellence, Respect, Value, Integrity, Community, Environment
Our Hydro Facilities
Our carbon-free hydro system is the foundation of our energy generation portfolio in Montana.
Giving Back to Our Communities
NorthWestern Energy is committed to being a good corporate citizen of all the communities we serve.
Where Does Your Energy Come From?
We provide safe, reliable energy through a balanced mix of clean energy and traditional resources.
Planned Overnight Power Outage Scheduled in Central Great Falls for System Upgrade
Date: Sep 8, 2026
TYPE: News
Great Falls, Mont. – Sept. 8, 2026 – Some NorthWestern Energy customers in portions of central Great Falls, generally north of 10th Avenue South to 3rd Avenue South and west of 16th Street South to 3rd Street South, will experience a planned power outage from midnight to approximately 5 a.m. on Friday, Sept. 11, while crews replace substation equipment that is nearing the end of its useful life.
Customers affected by the outage will receive an automated phone notification before the planned outage.
The work is necessary to maintain reliable electric service for customers.
To ensure you receive important notifications about planned power outages and other NorthWestern Energy updates, please make sure your current phone number is associated with your account. Customers can verify or update their contact information online through My Energy Account or by contacting NorthWestern Energy Customer Service, 888-467-2669.
NorthWestern Energy appreciates customers' patience and understanding while crews safely complete this important upgrade.
For more information or questions, contact NorthWestern Energy Community Relations Manager Shane Etzwiler at 406-454-7169.
Follow us on Facebook and LinkedIn and Instagram: @NorthWesternEnergy
NorthWestern Energy - Delivering a Bright Future
NorthWestern Energy, provides essential energy infrastructure and valuable services that enrich lives and empower communities while serving as long-term partners to our customers and communities. We work to deliver safe, reliable, and innovative energy solutions that create value for customers, communities, employees, and investors. We do this by providing low-cost and reliable service performed by highly-adaptable and skilled employees. We provide electricity and / or natural gas to approximately 850,300 customers in Montana, South Dakota, Nebraska, and Yellowstone National Park. Our operations in Montana and Yellowstone National Park are conducted through our subsidiary, NW Corp, and our operations in South Dakota and Nebraska are conducted through our subsidiary, NWE Public Service. We have provided service in South Dakota and Nebraska since 1923 and in Montana since 2002.
Media Contacts:
Jo Dee Black
866-622-8081