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.
Traffic Impacts Expected as NorthWestern Energy Begins Gas System Improvements in Great Falls
Date: Jul 31, 2026
TYPE: News
Great Falls, Mont. – July 31, 2026 – NorthWestern Energy will begin a natural gas infrastructure upgrade project on Monday, Aug. 3, along 23rd Street North between 8th Avenue North and 4th Avenue North in Great Falls.
Construction activities are expected to last approximately six weeks, weather and construction conditions permitting. During this time, residents and motorists can expect traffic impacts in the area, including road closures and potential detours around the work zone.
Drivers, cyclists and pedestrians should use caution when traveling through the area and follow all posted signage and directions from onsite personnel.
This work is part of NorthWestern Energy’s ongoing investment in maintaining and improving the reliability and safety of the natural gas system serving Great Falls customers. NorthWestern Energy appreciates the patience and cooperation of residents, businesses and travelers while this important infrastructure improvement is completed.
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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