From the Ameren website:
The Ameren Cares program connects Ameren with the communities it serves through charitable giving. A key focus of Ameren Cares is to partner with nonprofit organizations that improve the quality of life of people living in Ameren's service territory. Ameren donates to non-profit organizations in Missouri and central and southern Illinois each year that are located within our service area. Our contributions target support for causes associated with: Environment, Youth and Education, Civic and Community, Health and Human Services, Arts and Culture.
For additional information, please visit the website at https://www.ameren.com/illinois/company/community/grants