Our customers are our top priority. We’ve enjoyed a long and successful history in the Illinois and Missouri area, serving more than 2.4 electric and almost one million natural gas customers throughout a 64,000-square mile territory. We are unwavering in our commitment to meet your needs by providing reliable, responsive and cost-effective service.

With more than 85,000 power lines and 80,000 miles of pipeline, we’ve never lost sight of how important the energy we deliver is to the way you work, live, and play. We’re dedicated to supporting businesses and communities today, while fostering energy efficiency and environmental stewardship to prepare for the future.