NorthWestern Corporation

NorthWestern Corporation doing business as NorthWestern Energy provides electricity and natural gas to residential commercial and various industrial customers. The company operates through three segments: Electric Utility Operations; Natural Gas Utility Operations; and Other. It generates purchases transmits and distributes electricity; and produces purchases stores transmits and distributes natural gas as well as owns municipal franchises to provide natural gas service in the communities. The company operates 6597 miles of electric transmission and 18534 miles of electric distribution lines with approximately 121 transmission and distribution substations; and 2235 miles of natural gas transmission and 5099 miles of natural gas distribution lines with approximately 135 city gate stations in Montana. It also operates 1308 miles of electric transmission and 2342 miles of electric distribution lines in South Dakota with approximately 121 transmission and distribution substations; and 55 miles of natural gas transmission and 2545 miles of natural gas distribution lines in South Dakota and Nebraska. The company serves approximately 764200 customers in Montana South Dakota Nebraska and Yellowstone National Park. NorthWestern Corporation was incorporated in 1923 and is based in Sioux Falls South Dakota.