NorthWestern Energy is a major, regional provider of electricity, natural gas and related services to approximately 709,600 customers in Montana, South Dakota, and Nebraska. Their electric system has more than 28,220 miles of transmission and distribution lines and associated facilities serving 297 communities and surrounding rural areas in Montana, eastern South Dakota, and Yellowstone National Park in Wyoming.
Their natural gas system includes approximately 9,758 miles of transmission and distribution pipelines and storage facilities serving 168 communities and surrounding rural areas in Montana, South Dakota, and central Nebraska.
The Montana energy operations, which are based in Butte, provide regulated electric and natural gas transmission and distribution services to approximately 369,139 electric customers and 196,113 natural gas (and propane in limited areas) customers in the western two-thirds of Montana and Yellowstone National Park in Wyoming.
NorthWestern Energy is also the energy supplier in Montana, meaning that it provides electric and natural gas supply to customers in the state who do not select a competitive supplier.
Northwestern Energy Headquarters in Uptown Butte
In 2013, Northwestern Energy announced that they would build a 100,000 sqft General Office Building in Uptown Butte. With this announcement of a commitment to the community, Butte-Silver Bow again obtained bonding to finance the construction of the Park Street Parking Garage. This 247-space structure was completed in February of 2018 at a cost of $8 million. The total project cost for Northwest Energy's Butte headquarters was approximately $27 million with an additional $26.5 million capital spend in distribution, transmission, and infrastructure.