NorthWestern Energy Group, Inc.

NorthWestern Energy Group, Inc., operating as NorthWestern Energy, is a diversified utility company that delivers essential electricity and natural gas services across Montana, South Dakota, and Nebraska. The company's core business involves the generation, purchase, transmission, and distribution of electricity, alongside the production, purchase, storage, transmission, and distribution of natural gas. NorthWestern Energy serves a broad customer base, encompassing residential, commercial, and industrial sectors, and holds municipal franchises for natural gas service in numerous communities. Its extensive infrastructure includes thousands of miles of electric transmission and distribution lines, supported by hundreds of substations, as well as significant mileage of natural gas transmission and distribution lines connected by city gate stations. This robust network enables the company to reliably serve approximately 850,300 customers, including operations within Yellowstone National Park. With a history dating back to 1923, NorthWestern Energy has established itself as a critical provider of energy infrastructure and services in its operating regions, focusing on maintaining and upgrading its assets to ensure dependable service delivery and meet the evolving energy needs of its diverse customer base.