Our Natural Gas and Electric Service
NorthWestern Energy serves 341 communities in Montana, South Dakota and Yellowstone National Park with safe and reliable electricity. We serve natural gas to 202 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
787,000
customers served across Montana, South Dakota, Nebraska and Yellowstone National Park
1,585
employees working across our service territory
58%
carbon-free electric generation
Our vision
Enriching lives through a safe sustainable energy future.
Our mission
Working together to provide safe, reliable and innovative energy solutions that create value for customers, communities, employees, and investors.
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. In 2024, nearly 34% of our electricity for Montana customers came from our hydro facilities.
Giving Back to Our Communities
NorthWestern Energy is committed to being a good corporate citizen of all the communities we serve. In 2024, we gave $2.3 million in charitable donations and community support.
Where Does Your Energy Come From?
We provide safe, reliable energy through a balanced mix of clean energy and traditional resources.
NorthWestern Energy’s Great Falls Customer Service Office Now Open at 1 1st Ave. S. Walk-In, Drive-Thru, and Drop Box Payment Options Available
Date: Jul 16, 2025
TYPE: News
Great Falls, Mont. – July 16, 2025 – NorthWestern Energy’s customer service office in Great Falls has moved to a new, convenient location at 1 1st Ave. S. in downtown Great Falls. The office is open Monday through Friday, 8 a.m. to 5 p.m., and offers:
Walk-in service for in-person assistance
A drive-thru for quick and easy payments
A drop box for after-hours payment drop-offs
“We’re excited to provide our Great Falls natural gas and electric customers with a single, convenient location for all their service needs,” said Lori St. Aubin, Director of Customer Care at NorthWestern Energy. “The drive-thru is especially helpful during Montana’s unpredictable weather, and customers will continue to be served by the same friendly team they know and trust.”
The new location is also right across the street from the City of Great Falls Utilities Department at the Civic Center, making it easy for customers to pay both their energy and water bills in one trip.
NorthWestern Energy offers a variety of billing and payment options to fit your needs. Learn more at https://northwesternenergy.com/billing-payment/payment-options.
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 787,000 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