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NorthWestern Energy replacing natural gas transmission line and facilities in West Glacier

Date: Sep 15, 2022

Kalispell, Mont. – Sept. 15, 2022 – NorthWestern Energy is replacing one-third mile of natural gas pipeline in the West Glacier area.

The construction work, which will begin this fall, may be visible south of US Highway 2 E and the intersection of Highline Boulevard.

NorthWestern Energy will install a new pipeline parallel to the existing natural gas pipeline, a new above-ground valve assembly, a new tap line to the existing regulator station yard and a new regulator station building.

There is no plan to interrupt customer natural gas service.

The project will be complete by summer of 2023.

The new natural gas pipeline will continue to provide reliable, safe natural gas service to NorthWestern Energy’s customers in the West Glacier area. Prior to construction, right-of-way tree clearing, survey work and ground preparation will occur. There may be times that driveway or road access is temporarily interrupted, but not shut down. 

For questions or more information, contact Community Relations Manager Steve Clawson at or 406-542-5932.

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About NorthWestern Energy (Nasdaq: NWE)

NorthWestern Corporation, doing business as 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 are working to deliver safe, reliable, and innovative energy solutions that create value for customers, communities, employees, and investors. This includes bridging our history as a regulated utility safely providing low-cost and reliable service with our future as a globally-aware company offering a broader array of services performed by highly-adaptable and skilled employees. We provide electricity and / or natural gas to approximately 753,600 customers in Montana, South Dakota, Nebraska and Yellowstone National Park. We have provided service in South Dakota and Nebraska since 1923 and in Montana since 2002. More information is available on the company's Web site at

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Jo Dee Black