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 rateregulated electric generation transmission and distribution activities and rateregulated 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 Ameren Corporation was founded in 1881 and is headquartered in St Louis Missouri