AEM markets and trades several thousand megawatts of competitively priced Illinois-based generation. Our mission is to serve the electric supply needs of business customers, energy aggregators and buying groups in Illinois communities. In addition, AEM provides wholesale power to utilities, municipalities, electric cooperatives and financial institutions. As part of Ameren Corporation, a Fortune 500 company, AEM is headquartered in Collinsville, Ill., with additional office locations throughout Illinois.
 
Committed to choice. AEM serves the power needs of utilities, municipalities, electric cooperatives, energy aggregators, business customers and financial institutions.
 
Focused on service. AEM's trading floor is staffed 24/7 by energy trading professionals who monitor market conditions and respond to customer needs every hour of every day. Contact us to find out how our highly trained sales force can help you meet your retail electric, wholesale and power marketing needs.
   
Founded on strength. AEM is responsible for the marketing and trading portfolios of Ameren Energy Resources' (AER) generating facilities located in Illinois. AEM integrates the value of these assets into reliable, competitively priced power products ensuring that customers receive the best value for their energy dollars.