Illinois Geothermal
1313 verified programs, updated 2026-08-08. 2 incentive types.
Renewable Energy Resources Trust Fund
Public Benefits FundCommercial, Industrial, Investor-Owned UtilityJanuary 15, 2026
Up to $100
City Water Light and Power - Residential Energy Efficiency Rebate Programs
Rebate ProgramUtility, ResidentialAugust 6, 2025
Air Source and Geothermal Heat Pumps Air-Source Heat Pumps: $200/ton Geothermal Heat Pump: $500/ton (new construction) Air Conditioner : $200 - $450 Water Programs High Efficiency Toilet: $50 Rain Barrel: $25 Water Heater: $200/unit Heat Pump Water Heater: $400/unit Showerhead Exchange Bring your old showerhead to the address below with a copy of your CWLP bill and receive a new WaterSense showerhead. Limit of 2 shower heads per account Helping Homes Program assists low-income electric customers reduce energy costs, see Website for details
City Water Light and Power - Commercial Energy Efficiency Rebate Programs
Rebate ProgramUtility, CommercialAugust 6, 2025
Air Source and Geothermal Heat Pumps Air-Source Heat Pumps: $200/ton Geothermal Heat Pump: $300/ton (existing), $800/ton (new construction) City Lights Program Rebates are limited to 35% of project costs (including outside labor) and $10,000 per year. Water Programs Water Heater: $200 Heat Pump Water Heater: $400 Rain Barrel: $25 High Efficiency Toilet: $50
ComEd -Energy Efficiency Program For Businesses
Rebate ProgramUtility, Commercial, IndustrialAugust 4, 2025
Lighting Indoor and Outdoor Lighting Fixtures / Retrofits: $0.80 per watt reduced Sensors: $0.10 - $0.25 per watt controlled LED Signs: $12 - $40 Daylighting controls (indoor only): $0.15 per watt controlled Occupancy sensor plus daylighting controls (indoor only): $0.30 per watt controlled Time clocks for lighting: $0.03 per watt controlled Photocells (outdoor only): $0.08 per watt controlled Photocell plus time clock (outdoor only): $0.13 per watt controlled Networked Indoor and Outdoor Lighting LED Fixtures and retrofits: $1.05 per watt reduced Lighting Control System: $0.40 - $0.50 per watt controlled LED Street Lighting Municipal owned streetlights: $1.00 per watt reduced LED Traffic Signals LED Traffic Signal 8" Lamp: $40 per lamp LED Traffic Signal 12" Lamp: $100 per lamp Energy Management Systems : $0.25 - $0.70/sq. ft. Refrigeration EC Motor: $125 - $210 per motor Anti-sweat heater controls for glass door cooler or freezer: $62.50 per door Display Cases with Doors: $260 per linear ft Special Door with Low/No-anti sweat heaters: $190 per door Evaporator Fan Controls on EC Motor: $60 per controlled motor Demand Defrost Controls: $20 per evaporator fan motor Efficient Refrigeration Condenser: $10 per ton Floating Head Pressure Controls: $60 per compressor HP LED Refrigerated Display Case Lighting: $24 per linear ft. of lamp Night Covers: $15 per linear ft Strip Curtains: $4 per sq. ft. Automatic High Speed Doors: $50 per sq. ft. Automatic Door Closer: $180 per unit VSD for Condensor Fans: $150 per HP Commercial Equipment Clothes Washers: $20 - $50 per washer Beverage Machine Controls: $100 per machine Electric Water Heater Timer: $20 per timer Heat Pump Water Heater: $250 per heater Reach-in cooler controls: $40 per cooler Escalator Motor Efficiency Controller: $20 per HP High Efficiency Hand Dryers: $200 per unit VSD on Pool Pump: $125 per HP HVAC Water Cooled Chiller: $10 per IPLV improvement per ton Air Cooled Chiller: $6 per IPLV improvement per ton Chilled Water Reset Controls: $5 per ton Package Terminal AC: $30 per ton Package Terminal AC to Package terminal heat pump: $200 per ton Guest room energy management system: $100 per guest room Demand Controlled Ventilation: $40 per 1,000 sq. ft. Restroom Exhaust Fan Occupancy Sensor: $15 per fan Wireless Pneumatic Thermostat: $100 per thermostat Air-Side Economizer: $50 per ton Electronically Commutated Motor on Fan-Powered Box: $50 per motor High Efficiency Pumps and Pumping Efficiency Improvements (retrofits): $15 per HP Rooftop Unit: $20 per ton per SEER/IEER above efficiency requirement Ground Source Heat Pump: $20 per ton per EER2 above minimum efficiency Energy Recovery Ventilator: $0.10 - 0.20 per SCFM VSD: $55 per ton or $200 per HP Computer Room Air Conditioner: $75 - $90 per ton per 0.1 NsenCOP improvement Compressed Air High-efficiency air nozzles: $50 per nozzle Low pressure drop filter: $5 per connected HP No-loss condensate drains: $250 per drain Refrigerated Dryers: $1 - $3 per rated CFM Heat of Compression Desiccant Compressed Air Dryer: $4 per CFM Heated Blower Purge desiccant compressed air dryer: $4 per CFM Compressed Air Pressure Flow Controller: $10 per HP VSD on Air Compressor: $75 per HP Air Compressors: $220 per HP Added Compressor Storage on Load/No load systems: $1.50 per gallon Industrial Systems Barrel Wraps for Injection Molders and Extruders: $40 per sq. ft. Conversion of DC Drives in Plastic Extruders to AC Drives: $40 per HP Fiber Laser Cutting Machines: $3,000 per output kW Injection Molding Machine: $75 - $80 per rated ton Indoor LED Grow Lights: $60 - $0.70 for PPE improvement per Watt Networked Lighting Control System for LED Grow Lights: $0.40 per watt controlled Agriculture Fan Thermostat Controller: $100 per HP Uninterruptible Power Supply: $40 per kW of IT load per % efficiency improvement or $40 per unit
ComEd - Energy Efficiency Program for Residential
Rebate ProgramUtility, Residential, Low Income ResidentialOctober 1, 2025
Appliances Air Purifier: $50 All-in-one Washer Electric Dryer: $250 All-in-one Washer Heat Pump Dryer: $350 Clothes Washer: $40 Dehumidifier: $45 Electric Clothes Dryer: $40 Heat Pump Clothes Dryer: $200 Select Induction Cooktops and Ranges: $100 Smart Thermostats: $75 Water Dispensers: $25 Select Low Flow Showerheads: Up to $8 Select Weatherization Products: Up to $5 Heating & Cooling Air Source and Centrally Ducted Mini-Split Heat Pumps: Up to $1,675 Ductless and Mixed Use Mini-Split Heat Pumps: Up to $1,000 With Energy Star Certified Smart Thermostat: Up to $1,075 Geothermal Heat Pump System: Up to $6,000 Geothermal Heat Pump Indoor Unit Replacement: $800 - $1,200 Income Eligible Rebates and Discounts Air Purifier: $75 All-in-One Washer Electric Dryer: $350 All-in-One Washer Heat Pump Dryer: $550 Clothes Washer: $150 Dehumidifier: $75 Electric Clothes Dryer: $150 Heat Pump Clothes Dryer: $300 Select Induction Cooktops and Ranges: $150 LED Bulbs and Fixtures: Up to $5 Room Air Conditioner: $75 Select Advanced Power Strips: Up to $13 Select Low Flow Shower Heads: Up to $10 Select Weatherization: Up to $8 Smart Thermostat: $100 Water Dispenser: $35
MidAmerican Energy - Residential Energy Efficiency Rebate Programs
Rebate ProgramUtility, ResidentialOctober 15, 2025
Discounts Air-source heat pumps: $225 - $375/unit Cold climate air-source heat pumps: $450 - $600/unit Central air conditioner: $150 - $300/unit Central air conditioner: $90/ton Ductless split heat pumps: $300/unit Cold climate ductless split heat pumps: $450/unit Geothermal heat pumps: $900 - $1,200/unit Desuperheater: $112.50/unit Heat Pump Water Heaters: $225/unit Natural gas furnaces: $1.80/MBtuh Rebates Air purifiers: $20/unit Clothes Washers: $45/unit Electric clothes dryers: $35/unit Freezers: $25/unit Heat pump water heaters: $225/unit Refrigerators: $50/unit Smart thermostats: Up to $100/unit
Corn Belt Energy Coop - Residential Energy Efficiency Rebate Program
Rebate ProgramUtility, ResidentialAugust 4, 2025
HVAC Geothermal Heat Pump replacement: up to $750/unit Geothermal Heat Pump: up to $2,000/unit Dual Fuel Heat Pump: $750/unit Air Source Heat Pump (Whole Home): Up to $1,800/unit Air Source Heat Pump (Partial Home): Up to $800/unit Water Heaters Hybrid Water Heater: $800/unit Electric Water Heater: $100 - $300/unit Miscellaneous Wi-Fi Thermostat: $75 Electric Vehicle Circuit Installation: $200
Jo-Carroll Energy - Energy Efficiency Rebate Program (Electric)
Rebate ProgramUtility, Commercial, IndustrialOctober 20, 2025
Electric Ag - Commercial & Industrial Electric forklift battery charger: $200 Dairy plate cooler / well water pre-cooler: $500 Low / zero energy livestock waterer: $50 Exhaust fan: $1 per inch Circulation fan: $1 per inch Scroll refrigerator compressor: $30 per hp Variable frequency drive (VFD): $30 per hp Electric appliances & lighting All-in-one washer/dryer combo: $25 Electric clothes dryer: $25 Clothes washer: $25 Dehumidifier: $25 Dishwasher: $25 Refrigerator/Freezer: $25 Window air conditioner: $25 Occupancy Sensor: $5 LED Lamp & Fixture: total lumens / (800 lumens x $0.50) LED Exit Sign: $5 Electric Compressed Air Audit Up to $500 Electric Water Heaters Residential high efficiency electric water heater: $150 Residential high efficiency electric water heater: $300 Commercial electric water heater: $150 Commercial electric water heater: $300 Heat pump water heater: $300 ElectricSense new home program $500 Electric Residential HVAC Air-source heat pump & mini-split: $175/ton New furnace w/ECM blower motor: $35 Smart Thermostat: $25 Commercial electric HVAC Commercial air-source heat pump & PTHPs: $175/ton Residential & Commercial electric HVAC - geothermal ground source system: $400 - $600/ton
MidAmerican Energy - Illinois Business Programs and Rebates
Rebate ProgramUtility, Commercial, IndustrialAugust 25, 2025
Commercial New Construction Incentives vary, see program for details Curtailment Program Incentives vary, see program for details Data Center Advantage Electric: $0.12/kWh Natural Gas: $1.50/therm See program for further details Heating and Cooling Equipment Air-source heat pumps: $150 - $375/unit Cold Climate air source heat pumps: $450 - $600/unit Boilers (Under 300 MBtuh): $375/unit Boilers (From 300 to 2,500 MBtuh): $1.50/MBtuh Small central air conditioners: $150 - $300/unit Large central air conditioners: $90/ton Ductless split heat pumps: $300/unit Cold climate ductless split heat pumps: $450/unit Geothermal Het Pumps: $900 - $1,200/unit Desuperheater: $112.50/unit Heat Pump Water Heaters: $112.50 - $225/unit Natural Gas Furnaces: $1.80/MBtuh PTAC/PTHP: $75/ton Lighting LED linear replacement lamp retrofits: $1.50 - $3.50/unit Interior fixtures and retrofit kits: $10 - $70/unit High/Low bay fixtures and retrofit kits: $20 - $200/unit Exterior lighting fixtures and retrofit kits: $25 - $200/unit Refrigerated case lighting retrofit: $6 - $24/unit Food Service Conveyor oven: $975/deck Convection oven: $168.75 - $375/unit Combi-ovens: $1,125 - $2,250/unit Steam cookers: $375 - $1,125/unit Fryers: $562.50/unit Griddles: $187.50 - $562.50/unit Hot food holding cabinets: $225/unit Refrigerators and freezers: $37.50 - $112.50/unit Ice makers: $75 - $262.50/unit Dishwashers: $412.50 - $3,000/unit Pre-rinse spray valves: $30/unit Direct Project Assistance Electric: $0.12 - $0.18/kWh Natural Gas: $1.50/therm See program for further details
Wabash Valley Power Association (23 Member Cooperatives) - Commercial and Industrial Energy Efficiency Program
Rebate ProgramUtility, Commercial, IndustrialMay 6, 2024
Lighting Occupancy Senesors: $20/unit Signs & Signals: $6 - $25/unit 8' T8 OR T12 Fluorescent Fixtures: $0.40/watt reduced Fixture Removal (Interior): $0.10/watt removed (see Program Guide for details) Exterior LEDs: $35 - $250/unit, varies by size Screw-In LEDs: $3 - $45/unit, varies by size Interior LEDs: $3 - $125/unit, varies by size Non-Lighting Rebates Chillers: $25 - $40/ton Air Cooled Unitary Packaged AC/Split Systems: $60 - $75/ton Air Source Heat Pumps: $60 - $95/ton Ground Source Heat Pumps: $500 - $750/ton Packaged Terminal Heat Pump: $50/unit Variable Frequency Drive: $40 - $100/HP Compressed Air Equipment: $3.50 - $60/HP Compressed Air No-Loss Drain: $100/drain Air-Entraining Nozzles: $25/nozzle Room AC: $20/unit Refrigeration Door/Frame Heater Control: $50/door Outside Air Economizer: $150/economizer New Construction Program Non-Agriculture Facilities Interior Lighting: $100 - $400/1,000 sq. ft (based on efficiency) Exterior Lighting: Up to $120/fixture Air Source Heat Pumps: $50 - $90/ton Geothermal Heat Pumps; $500 - $750/ton Air Cooled Unitary Packaged A/C and Split Systems: $60 - $75/ton VFDs on HVAC Systems: $100/HP Chillers: $25 - $40/ton Commercial Refrigeration: $40/HP VFDs on Process Systems: $80/HP VFD Screw Air Compressors: $60/HP Commercial Food Service Equipment: Varies Agriculture Facilities Lighting: $3 - $5 Custom Rebates Lighting and Lighting Controls Projects: $0.05/kWh saved in first year Non-Lighting Projects: $0.08/kWh saved in first year
Corn Belt Energy Coop - Commercial Energy Efficiency Rebate Program
Rebate ProgramUtility, CommercialAugust 4, 2025
2025 Retrofit Prescriptive Rebates Lighting Occupancy Sensors: $20 - $30/sensor Interior Lighting Controls: $20 - $30/sensor Interior Networked Lighting Controls: $0.20/sq. ft. LED T-1, or Electroluminescent Exit Signs: $6/unit Exterior LEDs: $35 - $250 Interior LEDs: $3 - $125 Screw-In LEDs: $3 - $45 Non-Lighting Chillers: $20 - $60 per ton Air Cooled Unitary Packaged A/C and Split Systems: $60 - $75 per ton Ductless Heat Pumps: $100 per ton Lower Efficiency Air Source Heat Pumps Replacing Electric Resistance Heating: $500 per ton Lower Efficiency Air Source Heat Pump Replacing an Air Source Heat Pump: $80 - $250 per ton Higher Efficiency Air Source Heat Pumps Replacing an Air Source Heat Pump: $95 - $300 per ton Ground Source Heat Pump Replacing Electric Resistance Heating: $500 - $750 per ton Ground Source Heat Pump Replacing Air Source Heat Pump: $500 - $750 per ton Ground Source Heat Pump Replacing Natural Gas Heating & A/C: $500 - $750 per ton Packaged Terminal Heat Pumps: $40 - $100 per unit Variable Frequency Drives: $80 - $100 per HP Compressed Air Equipment: $5 - $150 Outside Air Economizer with Dual-Enthalpy Sensors: $200 per Economizer Heat Pump Water Heater: $750 per unit Wi-Fi Smart Thermostat on Air Source Heat Pump: $75 per thermostat Guest Room Energy Management System: $100 per Guestroom Demand Controlled Kitchen Ventilation: $250 per HP Refrigeration Equipment: $10 - $150 High Frequency Battery Charger for Forklifts: $200/charger Agricultural Applications Fan Thermostat Controller: $25 per HP High Speed Fan: $50 per Fan VFD added to Agricultural Irrigation Applications with motors up to and including 200 HP: $40 per HP High Volume Low Speed Fans: $600 per Fan Lithium-Ion Fork Truck Batteries: $2,500/Battery New Construction Interior Lighting: $200 - $450 per 1,000 ft2 Exterior Lighting: Up to $120 per fixture Air Source Heat Pumps: $50 - $300 per ton Geothermal Heat Pumps: $500 - $750 per ton Air Cooled Unitary Packaged A/C and Split Systems: $60 - $75 per ton VFDs on HVAC System: $100 per HP Chillers: $20 - $60 per ton VFDs on Process Systems: $80 per HP VFDs Screw Air Compressors: $80 per HP Commercial Food Service Equipment: Varies 2025 Retrofit Custom Rebates Lighting and Lighting Controls: $0.05 per kWh saved in the first year Non-Lighting: $0.10/kWh saved in the first year
Wabash Valley Power Association (23 Member Cooperatives) - Residential Energy Efficiency Program
Rebate ProgramUtility, ResidentialAugust 1, 2025
Dual Fuel Heat Pump: $500 Air Source Heat Pump: $250 - $1,800 Heat Pump Water Heater: $800 Geothermal Heat Pump: $250 - $2,000 Wi-Fi Thermostat: $75
MidAmerican Energy Residential Energy Efficiency Rebates
Rebate ProgramUtility, ResidentialSeptember 10, 2025
Instant Discounts Air-source heat pumps: $225–$375/unit Cold-climate air-source heat pumps: $450–$600/unit Central air conditioners: $150–$300/unit Central air conditioners (large): $90/ton Ductless split heat pumps: $300/unit Cold-climate ductless split heat pumps: $450/unit Geothermal heat pumps: $900–$1,200/unit Desuperheater: $112.50/unit Heat pump water heaters: $225/unit Natural gas furnaces: $1.80/MBtuh Rebates Air purifiers: $20/unit Clothes washers: $45/unit Electric clothes dryers: $35/unit Freezers: $25/unit Heat pump water heaters: $225/unit Refrigerators: $50/unit Smart thermostats: Up to $100/unit