CASH Incentives for Custom Projects

Unique Solutions Begin With You

In 2019, you can receive higher cash incentives through the Ameren Illinois Custom offering. Ameren Illinois provides incentives for projects unique to your business. Incentives are higher than ever before. Let us help you complete your custom project!

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

Project Ideas:

  • Large HVAC System Upgrades

  • Compressed Air

  • Custom Lighting

  • Grain Drying

  • Cooling Towers

  • Pump Systems

  • 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 $1.00/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

Greenview Schools

Find out how Greenview Schools was able to use cash incentives provided by Ameren Illinois to replace inefficient equipment throughout their facility.


Parkland College

See how Parkland College reduced their energy use by tackling more than 15 efficiency projects, ranging from lighting and HVAC to submetering and strategic energy management.


Peoria Public Schools

Find out how Peoria Public Schools earned an A+ for their efficiency efforts by tackling a range of different efficiency projects — including custom projects.


Kingery Printing

Learn how custom projects helped Kingery Printing in Henry save more than $40,000 in annual energy costs with their commitment to eco-friendly printing.


MasterBrand Cabinets

Find out how custom projects helped MasterBrand Cabinets reduce energy use at their Arthur plant, saving as much as $70,000 per year in energy costs.



See how switching out air knives with ionizer bars through the custom program helped Winpak reduce their compressed air usage by more than $23,000 annually.


Carus Corporation

Learn how Carus Corporation in LaSalle used $100,000 in cash incentives to install a condensing economizer on their boiler system — lowering their annual energy costs by over $150,000.


Dominican Sisters

Find out how a decentralized boiler system helped the Dominican Sisters in Springfield to save $91,000 in annual energy costs and reduce their campus' carbon footprint.


Mahomet IGA

Discover how Mahomet IGA in Mahomet took control of energy usage and lowered annual electric bills by more than $60,000 with their groundbreaking geothermal project.


Video Case Studies