Ameren Corporation's operations, infrastructure improvements and economic development activities supported approximately 63,000 jobs and generated $25.9 billion in economic output across Missouri and Illinois in 2025, according to a study by HR&A Advisors. Ameren spent $2.5 billion with in-state suppliers, generated approximately $1 billion in state and local tax payments, and provided $11.2 million in philanthropic giving. The study said more than 430 companies received support from Ameren, representing $3.6 billion in planned investment and more than 3,700 projected jobs. It also emphasized that reliable energy infrastructure can help attract investment, support business expansion and accommodate future energy demand.