AEE vs NWE

Ameren Corporation

Ameren Corporation, together with its subsidiaries, operates as a public utility holding company in the United States. It operates through four segments: Ameren Missouri, Ameren Illinois Electric Distribution, Ameren Illinois Natural Gas, and Ameren Transmission. The company engages in the rate-regulated electric generation, transmission, and distribution activities; and rate-regulated natural gas distribution and transmission businesses. It primarily generates electricity through coal, nuclear, and natural gas, as well as renewable sources, such as hydroelectric, wind, methane gas, and solar. The company serves residential, commercial, and industrial customers. The company was founded in 1881 and is headquartered in St. Louis, Missouri.

NorthWestern Energy Group Inc.

NorthWestern Corporation, doing business as NorthWestern Energy, provides electricity and natural gas to residential, commercial, and industrial customers. The company operates through Electric and Natural Gas segments. 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 6,809 miles of electric transmission and 18,068 miles of electric distribution lines; and 2,165 Miles of natural gas transmission and 4,892 miles of natural gas distribution lines in Montana. It also operates 1,308 Miles of electric transmission and 2,314 electric distribution lines in South Dakota; and 55 miles of natural gas transmission and 2,524 miles of natural gas distribution lines in South Dakota and Nebraska. It serves approximately 734,000 customers in Montana, South Dakota, Nebraska, and Yellowstone National Park. NorthWestern Corporation was incorporated in 1923 and is based in Sioux Falls, South Dakota.