Ameren Corporation

  • Fully rate-regulated electric and gas utility
  • Operating in Missouri and Illinois
  • 2.4 million electric and 0.9 million gas customers
  • 10,000 megawatts of regulated generation capability
  • 5,000 circuit miles of FERC-regulated electric transmission
  • 9,200 employees
  • Providing reliable service with attractive customer rates
Corporate Headquarters Electric Service Territory Electric & Natural Gas Territory State Map St. Louis

Ameren's Strategy

Ameren's strategy is to invest in rate-regulated energy infrastructure which, when coupled with relentlessly improving operating performance and advocating for responsible energy policies, will deliver superior customer and shareholder value.

Martin J. Lyons, Jr. Martin J. Lyons, Jr., Chairman of the Board