Custom Incentives

Unique Solutions Begin With You

The Ameren Illinois Custom offering provides incentives for projects or processes unique to your business. If you have an innovative idea for an energy-saving project that is not eligible for other Ameren Illinois incentives, you may benefit from our Custom incentives.

Cash incentives are available for a variety of custom projects, including:

Electric Project Incentives:

  • LED lighting

  • Compressed air

  • New construction (excluding lighting)

  • Large HVAC projects

Gas Project Incentives:

  • Grain drying

  • Waste heat recovery for fuel-fired furnaces

  • Reduced radiation loss from heating equipment

How to Get Cash Incentives

It’s simple to get started. Download the application guide and application and you can:

  • Get general information on the program

  • View answers to frequently asked questions

  • Determine eligibility

  • Get details on cash incentives

  • Apply for incentives (pre-approval required for Custom projects)

  • Submit required final paperwork to the Ameren Illinois Energy Efficiency Program

More Information

Have a unique project idea that will reduce your facility's energy usage? Your project might be eligible for cash incentives under the Custom offering!


  • Incentives for Custom projects: Electric $0.12/kWh; Gas $1.20/therm
  • Pre-approval is required for all Custom projects. You must submit all paperwork and documentation to our energy efficiency team for review prior to starting your project.
  • The Feasibility Study can help your business determine the feasibility of implementing Custom energy efficiency projects. Get complete details on the Feasibility Study

Need help getting started? Contact us at 1.866.800.0747 or

Video Case Studies