NorthWestern Energy Group, Inc.

NorthWestern Energy Group, Inc. is a utility company that provides electricity and natural gas to residential, commercial, and industrial customers in Montana, South Dakota, Nebraska, and Yellowstone National Park. It owns and operates a diverse generation fleet including wind, hydro, natural gas, coal, and solar resources, along with high-voltage electric transmission and distribution systems, as well as natural gas production, transmission, storage, and distribution infrastructure. The company conducts its Montana and Yellowstone National Park operations through its subsidiary NW Corp, and South Dakota and Nebraska operations through NWE Public Service. NorthWestern Energy Group, Inc. emphasizes a balanced energy mix to deliver safe, reliable, and affordable power, with a strong foundation in carbon-free hydro facilities. It serves hundreds of communities across its territories, focusing on investments in infrastructure reliability, system enhancements, and sustainability initiatives that meet current needs while supporting long-term energy demands. Headquartered in Sioux Falls, South Dakota, the company plays a vital role in powering the Upper Midwest and Northwest regions through regulated utility services.