| 1 | MRP Elgin LLCNatural gas | | 540 | 198 | 4.2% | Lincoln Operating Services, LLC |
| 2 | Calumet Energy Team LLCNatural gas | | 313 | 7.6 | 0.3% | IPA Operations Inc - Calumet |
| 3 | Fisk StreetOil | | 228 | 2.7 | 0.1% | Midwest Generations EME LLC |
| 4 | University of Illinois Cogen FacilityNatural gas | | 53 | 114 | 21.7% | University of Illinois |
| 5 | Ingredion IncorporatedNatural gas | | 45 | 186 | 39.0% | Ingredion Inc - Illinois |
| 6 | WinnetkaNatural gas and oil | | 24 | 2.9 | 1.0% | Village of Winnetka - (IL) |
| 7 | Loyola University Health PlantNatural gas | | 11 | 19.5 | 20.9% | Loyola University Health System |
| 8 | Exelon Solar ChicagoSolar | | 9.0 | 12.9 | 16.3% | Luminace Solar Chicago, LLC |
| 9 | Lake Gas RecoveryLandfill gas | | 6.0 | 10.8 | 20.5% | WM Illinois Renewable Energy LLC |
| 10 | Northwest Community HospitalNatural gas | | 4.4 | 0.6 | 1.5% | Northwest Community Hospital |
| 11 | Triton East and West CogenNatural gas | | 3.6 | 0.4 | 1.1% | Triton College |
| 12 | Chicago West Side Energy CenterNatural gas | | 3.5 | 17.4 | 56.7% | Energy Systems Group LLC |
| 13 | 2065 George St Community SolarSolar | | 3.2 | – | – | 2065 George St Solar, LLC |
| 14 | CID Gas RecoveryLandfill gas | | 3.0 | 13.3 | 50.7% | WM Illinois Renewable Energy LLC |
| 15 | 10701 Seymour Ave East 1 CSGSolar | | 2.9 | 0.1 | – | 10701 Seymour Ave East, LLC |
| 16 | IGS Frankfort 2 CSGSolar | | 2.0 | – | – | IGS Solar LLC |
| 17 | Gooseberry Solar, LLCSolar | | 2.0 | 3.7 | 21.2% | Reactivate |
| 18 | Torrence Ave Solar 1 LLCSolar | | 2.0 | 4.6 | 26.2% | Reactivate |
| 19 | North Cottage Grove Solar 1, LLCSolar | | 2.0 | 4.1 | 23.3% | Reactivate |
| 20 | IL BEDFORD PARK 7035 W 65TH STSolar | | 2.0 | 0.5 | – | Catalyze Bedford Park 7035 W 65th Street Microgrid, LLC |
| 21 | IL Bedford Park 6901 W 65th StSolar | | 2.0 | 0.0 | – | Catalyze Bedford Park 6901 W 65th Street Microgrid, LLC |
| 22 | 10601 Seymour Ave East 2 CSGSolar | | 2.0 | 0.0 | – | 10601 Seymour Ave East, LLC |
| 23 | S-Pulaski SolarSolar | | 2.0 | 3.6 | 20.4% | SoCore Energy LLC |
| 24 | Cottage Grove Ave Solar 1 LLCSolar | | 2.0 | – | – | SRC Partnership 12, LLC |
| 25 | Albertsons at Melrose ParkSolar | | 1.9 | 3.0 | 17.9% | ESIL-AL-Melrose, LLC |
| 26 | IL Chicago 2635 S Western Ave. (West)Solar | | 1.8 | – | – | Catalyze Chicago S Western Avenue 2 Microgrid, LLC |
| 27 | Museum of Science and IndustryNatural gas | | 1.7 | 0.0 | 0.3% | Museum of Science and Industry |
| 28 | FedEx Chicago Solar FacilitySolar | | 1.5 | 2.0 | 15.2% | DG Illinois Solar, LLC |
| 29 | ESIL-PFCHICAGO 3, LLCSolar | | 1.4 | 2.0 | 16.0% | Madison Energy Holdings LLC |
| 30 | Des Plaines 7-SLCHI819Solar | | 1.4 | 0.7 | – | Prologis Logistics Services Incorporated |
| 31 | Bystronic ManufacturingSolar | | 1.3 | 0.5 | – | Onyx Asset Services Group |
| 32 | MTHS Co-Gen BuildingsNatural gas | | 1.2 | 0.0 | – | Maine Township High School Dist 207 |
| 33 | Franklin Park 3-SLCHI803Solar | | 1.2 | 1.3 | – | Prologis Logistics Services Incorporated |
| 34 | NorthropGrummanSolar(Rolling Meadows,IL)Solar | | 1.1 | 1.5 | 15.5% | DG Illinois Solar, LLC |
| 35 | Thornridge High SchoolNatural gas | | 1.0 | 0.0 | – | Thorton Township School Dist |
| 36 | ESIL-PFCHICAGO 2, LLCSolar | | 1.0 | 1.6 | 18.4% | Madison Energy Holdings LLC |
| 37 | Lowe's - 1845 - Chicago Brickyard, ILSolar | | 1.0 | 1.1 | – | North Narragansett Avenue Solar Project 2022, LLC |
