Under the leadership of Richard J. Mark, Ameren Illinois’ energy efficiency program has been recognized as one of the best in the country — rated #12 by ACEEE, an independent energy efficiency organization. Since Mark took the helm in 2012, Ameren Illinois has helped customers reduce energy usage by millions of megawatt-hours, saving millions.
The vision and leadership of Mark and his team have helped shape and secure progressive energy legislation and regulatory policy in the state of Illinois. Whether he’s negotiating with lawmakers, donating high-efficiency air conditioners to customers in need, or championing energy efficiency in underserved communities, Mark’s vision has made energy efficiency more accessible to customers and communities served by Ameren Illinois.