Traffic Impacts Expected as NorthWestern Energy Begins Gas System Improvements in Great Falls

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.

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

[email protected]