Wednesday, October 28, 2026
Crowne Plaza, Springfield IL
Registration opens in August. Additional details coming soon!
About the Business Symposium
The Business Symposium is your one-stop-shop for energy efficiency — making it easy for your business or organization to learn about the latest technologies, while connecting with trusted energy professionals and gaining additional financial incentives to move your energy efficiency projects forward.
Are you a first-time Symposium attendee or new to the Program? Click below to learn more.
Be the first to learn about the newest Ameren Illinois Energy Efficiency Program offerings and financial incentives.
Attend a day full of designed to educate you about implementing energy-saving ideas.
Receive a BONUS COUPON potentially worth thousands in additional incentive dollars.
Interact with Program staff and Program Ally Contractors who can answer your questions.
2025 Breakout Sessions
Click below to view session presentations from the 2025 Business Symposium.
Meet our 2025 Megawatt Sponsors
Not Sure Where to Start?
Request a FREE Energy Consultation to take your next step in saving energy and money.
Questions? Call 1.866.800.0747 or email IllinoisBusinessEE@ameren.com.
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