General Info

St. Louis-based Ameren Corporation (NYSE: AEE) is among the nation's largest investor-owned electric and gas utilities. The largest electric utility in Missouri and the second largest in Illinois, Ameren companies provide energy services to 2.4 million electric and one million natural gas customers throughout its 64,000-square-mile territory. Created by the year-end 1997 merger of Union Electric Company and Central Illinois Public Service Company, the company grew in 2003 with the acquisition of Central Illinois Light Company and again in 2004 with the acquisition of Illinois Power Company. Ameren prides itself on a long, successful tradition of financial strength, cost containment, low rates and highly rated customer service, as well as nine decades of uninterrupted cash dividend payments to stockholders. Our vision - leading the way to a secure energy future - reflects how we approach change - and how we work to stay ahead of the curve by proactively finding solutions that meet the changing energy needs of our customers. We endeavor to lead by actively, publicly engaging in a dialog on energy and strive to become our customers' trusted energy advisor.