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.
Key resources and frequently asked questions

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.

Session 1A - Unlock Capital for Energy-Saving Upgrades
Session 1B - Industrial Heat Pumps 101: Uncovering Efficiency and Savings
Session 1C - School Efficiency Starts Here: Free Reports for Real Results
Session 2A - Powering Your Purpose: Shared Strategies for Energy Savings
Session 2B - From Waste to Megawatts: Recovering Industrial Heat
Session 2C - Steering the Journey: Energy Efficiency in Higher Education
Session 3A - Beyond Lighting: LLLC Integration for Smart, Connected Buildings
Session 3B - Full Steam Ahead: Smart Strategies for Optimization
Session 3C - Powering Progress: Energy-Saving Strategies for Local Governments

Meet our 2025 Megawatt Sponsors

2025 Photos

Check In Main Hall Booths Ride and Drive Breakout Sessions

Not Sure Where to Start?

Request a FREE Energy Consultation to take your next step in saving energy and money.

Learn More

Questions? Call 1.866.800.0747 or email IllinoisBusinessEE@ameren.com.

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