Custom Projects
Do you have an idea for an energy efficiency project that is not covered by a standard incentive? Custom incentives are available for projects or processes unique to your business or facility.

If you have an idea for an energy-saving project that is not eligible for other Ameren Illinois incentives, you may benefit from our Custom offering.
Financial Incentives for Custom Projects
Financial incentives are available for a variety of Custom projects, including:
- Compressed air
- New construction
- Large HVAC projects
- Heat recovery for furnaces and process equipment
- Water treatment process improvements
- Reduced heat loss from boilers and ovens
- Combined Heat & Power
- And more…
Custom Project incentives are based on energy reduction:
INCENTIVE TYPE
|
Incentive Rate
|
---|---|
Custom Electric Projects
|
$0.16/kWh ($0.06/kWh after first 3,125,000 kWh); capped at 80% of project cost
|
Custom Electric Projects (Public Sector or DS2)
|
$0.20/kWh ($0.06/kWh after first 3,125,000 kWh) capped at 80% of project cost
|
Custom Gas Projects
|
$1.00/therm ($0.50/therm after first 100,000 therms) capped at 80% of project cost
|
Custom Gas Projects (Public Sector or GS2)
|
$2.00/therm ($0.50/therm after first 100,000 therms) capped at 80% of project cost
|
Feasibility Study
|
Up to 75% of study cost or 75% of estimated annual savings identified, whichever is less, capped at $20,000
|
Custom Water Projects
|
$0.30/1,000 gallons saved
|
Pre-approval is required for all custom projects. You must submit all paperwork and documentation for review prior to starting your project.
Questions about pre-approval or the application process? Review our Application Guide.
For assistance, contact your Energy Advisor or our Business Call Center at 1.866.800.0747.
Application Assistance
For application assistance or to see if your facility could benefit from financial incentives, request a FREE Energy Consultation with an Energy Advisor.
Real Results

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Managing waste is all in a day’s work at the...

Parkland College Achieves Higher Degrees of Efficiency
With Ameren Illinois as an ally, Parkland continually seeks savings...

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New Air Purification System Helps Fondulac Library Turn Page on Pandemic
The new air purification system could be easily installed on...
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.