HOW are we performing?

As part of our sustainability initiative, Ameren has sought to assess our performance—what we’re doing well and what we can do better. Members of Ameren’s internal corporate social responsibility Steering Committee collaborated to consider enterprise-level categories, areas of success and areas for improvement. Additional guidance was provided by our Executive Leadership Team and subject-matter experts.


  • Ongoing participation in the Carbon Disclosure Project (CDP) Climate Change and Water Programs. Ameren’s 2017 CDP Climate Change Response received a “C.” Ameren's 2017 CDP Water Response received a "B."
  • Ongoing participation in the St. Louis Green Business Challenge. In 2017, Ameren received the Award of Achievement and Star in the Circle of Excellence at the Champion Level.
  • Joining the Edison Electric Institute (EEI) pilot environmental, social, governance, and sustainability-related (ESG/sustainability) reporting template, with the goal of helping EEI’s member electric companies provide investors with more uniformity and better consistency for ESG/sustainability metrics. View the 2016 EEI ESG / Sustainability Report.
  • Ongoing participation in the U.S. Environmental Protection Agency’s (EPA) Natural Gas STAR Methane Challenge Program. Through the program, Ameren Illinois pledges to voluntarily make and track commitments to reduce emissions and improve air quality.
  • Supporting sustainability principles through Ameren’s Corporate Sustainability Council.
  • Participating in the Electric Utility Industry Sustainable Supply Chain Alliance (Alliance). Ameren is partnering with other utilities (through the Alliance) on introducing sustainability into the supplier relationship management process.


  • Focusing on consistent improvement in safety performance over the long term.
  • Improving awareness of sustainability within Ameren’s workforce through increased communication and transparency regarding our achievements and opportunities for greater sustainability.
  • Establishing a Biodiversity Policy with the goal of sustaining native plant and aquatic life throughout our service territory.
  • Achieving top-quartile employee engagement scores.
  • Refreshing a company-specific sustainability materiality assessment using Electric Power Research Institute's (EPRI) sustainability maturity model.

Our assessment covers the past several years and is current through March 1, 2018.