Directory of Power Plants in Illinois
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| IL University Park 450 Central Ave | Catalyze University Park Central Ave Microgrid, LLC | University Park, IL | PJM Interconnection, LLC (PJM) | 183.0 MWh | Sep 2025 | Dec 2025 | Solar |
| Reynolds | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 179.0 MWh | Oct 1970 | Dec 2025 | Distillate Fuel Oil |
| Lake Forest Hospital Central Energy Plan | Northwestern Lake Forest Hospital | Lake Forest, IL | PJM Interconnection, LLC (PJM) | 170.0 MWh | May 1996 | Dec 2025 | Natural Gas |
| Drummer Creek I Solar LLC | Dimension Energy LLC | Gibson City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 170.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Marshall (IL) | City of Marshall - (IL) | Marshall, IL | Midcontinent Independent System Operator, Inc. (MISO) | 167.0 MWh | Mar 2002 | Dec 2025 | Distillate Fuel Oil |
| 10701 Seymour Ave East 1 CSG | 10701 Seymour Ave East, LLC | Franklin Park, IL | PJM Interconnection, LLC (PJM) | 149.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Geranium Solar | Generate Capital | Spring Valley, IL | Midcontinent Independent System Operator, Inc. (MISO) | 148.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Freeburg | Village of Freeburg - (IL) | Freeburg, IL | Midcontinent Independent System Operator, Inc. (MISO) | 145.0 MWh | Jul 1948 | Dec 2025 | Distillate Fuel Oil |
| Lilly Pond Road Solar 1, LLC | Generate Capital | Woodstock, IL | PJM Interconnection, LLC (PJM) | 117.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Rocky Mountain Elk Solar Community Solar | Rocky Mountain Elk Solar, LLC | Sheffield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 108.0 MWh | Nov 2025 | Dec 2025 | Solar |
| SV CSG Bishop 1 LLC | SunVest Solar LLC | Herrin, IL | Midcontinent Independent System Operator, Inc. (MISO) | 106.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Galva Landfill | Navisun LLC | Galva, IL | PJM Interconnection, LLC (PJM) | 102.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Medanos Solar LLC | Dimension Energy LLC | Homer, IL | Midcontinent Independent System Operator, Inc. (MISO) | 96.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Carmi | City of Carmi - (IL) | Carmi, IL | Midcontinent Independent System Operator, Inc. (MISO) | 92.0 MWh | Nov 1948 | Dec 2025 | Distillate Fuel Oil |
| Casey City of | City of Casey - (IL) | Casey, IL | Midcontinent Independent System Operator, Inc. (MISO) | 80.0 MWh | Apr 2002 | Dec 2025 | Distillate Fuel Oil |
| Bushnell | City of Bushnell - (IL) | Bushnell, IL | Midcontinent Independent System Operator, Inc. (MISO) | 78.0 MWh | May 1940 | Dec 2025 | Distillate Fuel Oil |
| Altamont | City of Altamont - (IL) | Altamont, IL | Midcontinent Independent System Operator, Inc. (MISO) | 75.0 MWh | Dec 2001 | Dec 2025 | Distillate Fuel Oil |
| IMEA Flora | Illinois Municipal Elec Agency (IL) | Flora, IL | Midcontinent Independent System Operator, Inc. (MISO) | 71.0 MWh | Nov 2000 | Dec 2025 | Distillate Fuel Oil |
| Pearl Station | Prairie Power, Inc | Pearl, IL | Midcontinent Independent System Operator, Inc. (MISO) | 64.0 MWh | May 1973 | Dec 2025 | Distillate Fuel Oil |
| IL Joliet 1101 Cherry Hl Rd | Catalyze Joliet 1101 Cherry Hill Road Microgrid, LLC | Joliet, IL | PJM Interconnection, LLC (PJM) | 64.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Farmer City | City of Farmer City - (IL) | Farmer City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 59.0 MWh | Mar 1951 | Dec 2025 | Distillate Fuel Oil |
| City of Peru Rail Generating Station | City of Peru - (IL) | Peru, IL | Midcontinent Independent System Operator, Inc. (MISO) | 53.0 MWh | Aug 2011 | Dec 2025 | Distillate Fuel Oil |
| Flora Site A | City of Flora - (IL) | Flora, IL | Midcontinent Independent System Operator, Inc. (MISO) | 47.0 MWh | Nov 2001 | Dec 2025 | Distillate Fuel Oil |
| Flora Site B | City of Flora - (IL) | Flora, IL | Midcontinent Independent System Operator, Inc. (MISO) | 43.0 MWh | Nov 2001 | Dec 2025 | Distillate Fuel Oil |
| Pekin Community High School | Pekin Community High School, LLC | Pekin, IL | PJM Interconnection, LLC (PJM) | 42.6 MWh | May 2025 | Dec 2025 | Solar |
| McLeansboro | City of McLeansboro - (IL) | McLeansboro, IL | Midcontinent Independent System Operator, Inc. (MISO) | 42.0 MWh | Nov 1950 | Dec 2025 | Distillate Fuel Oil |
| Museum of Science and Industry | Museum of Science and Industry | Chicago, IL | PJM Interconnection, LLC (PJM) | 41.2 MWh | Mar 2003 | Dec 2025 | Natural Gas |
| 10601 Seymour Ave East 2 CSG | 10601 Seymour Ave East, LLC | Franklin Park, IL | PJM Interconnection, LLC (PJM) | 39.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Buckheart Creek Solar I Community Solar | Buckheart Creek Solar 1, LLC | Canton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 37.0 MWh | Nov 2025 | Dec 2025 | Solar |
| City of Peru Water Street Generating Sta | City of Peru - (IL) | Peru, IL | Midcontinent Independent System Operator, Inc. (MISO) | 33.0 MWh | Sep 1968 | Dec 2025 | Jet Fuel |
| State Farm | State Farm Insurance | Bloomington, IL | Midcontinent Independent System Operator, Inc. (MISO) | 29.0 MWh | Sep 1996 | Aug 2026 | Distillate Fuel Oil |
| Cenergy IL - Zion CSG | Standard Solar | Zion, IL | PJM Interconnection, LLC (PJM) | 13.0 MWh | Nov 2025 | Dec 2025 | Solar |
| USS Ducks Solar CSG | USS Ducks Solar LLC | Oregon, IL | Midcontinent Independent System Operator, Inc. (MISO) | 9.0 MWh | Oct 2025 | Dec 2025 | Solar |
| Towanda | Dimension Energy LLC | Shirley, IL | Midcontinent Independent System Operator, Inc. (MISO) | 7.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Illinois River Solar 2, LLC | SRC Partnership 16, LLC | Henry, IL | PJM Interconnection, LLC (PJM) | 7.0 MWh | Nov 2025 | Dec 2025 | Solar |
| IL Bedford Park 6901 W 65th St | Catalyze Bedford Park 6901 W 65th Street Microgrid, LLC | Bedford Park, IL | PJM Interconnection, LLC (PJM) | 6.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Rantoul Solar | Altorfer Inc. | Rantoul, IL | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 MWh | Nov 2016 | Dec 2025 | Solar |
| MPEA Energy Center | Metropolitan Pier and Exposition Auth | Chicago, IL | PJM Interconnection, LLC (PJM) | 4.0 MWh | Dec 1996 | Dec 2025 | Distillate Fuel Oil |
| Brown County Wind Turbine | Adams Electric Cooperative | Mount Sterling, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 MWh | Aug 2011 | Feb 2025 | Wind |
| Northeastern Illinois University Cogen | Northeastern Illinois University | Chicago, IL | PJM Interconnection, LLC (PJM) | 2.0 MWh | Jul 1995 | Dec 2025 | Natural Gas |
| Marshall Solar (IL) | Altorfer Inc. | Marshall, IL | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 MWh | Mar 2025 | Jan 2025 | Solar |
| Presence Saint Mary of Nazareth Hospital | Presence Health | Chicago, IL | PJM Interconnection, LLC (PJM) | 980.0 kWh | Jul 1993 | Dec 2025 | Natural Gas |