Directory of Power Plants in Illinois
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| USS Cattail Solar | USS Cattail Solar LLC | Fulton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 GWh | Jul 2025 | Dec 2025 | Solar |
| CED Spring Creek Solar | Bay4 Energy Services, LLC | St Anne, IL | PJM Interconnection, LLC (PJM) | 1.2 GWh | Mar 2021 | Aug 2025 | Solar |
| South Main Street | Rochelle Municipal Utilities - (IL) | Rochelle, IL | PJM Interconnection, LLC (PJM) | 1.2 GWh | Aug 1967 | Dec 2025 | Distillate Fuel Oil |
| USS Origami Solar | USS Origami Solar LLC | Fulton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 GWh | Sep 2025 | Dec 2025 | Solar |
| NL IL - 2000 North Road CSG | Standard Solar | Kankakee, IL | PJM Interconnection, LLC (PJM) | 1.1 GWh | Sep 2025 | Dec 2025 | Solar |
| NL IL - 241 North CSG | Standard Solar | Peotone, IL | PJM Interconnection, LLC (PJM) | 1.1 GWh | Sep 2025 | Dec 2025 | Solar |
| Lowe's - 1845 - Chicago Brickyard, IL | North Narragansett Avenue Solar Project 2022, LLC | Chicago, IL | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 GWh | Jan 2025 | Dec 2025 | Solar |
| KaneSolar03 LLC | Dimension Energy LLC | Maple Park, IL | PJM Interconnection, LLC (PJM) | 1.0 GWh | Aug 2025 | Dec 2025 | Solar |
| Triton East and West Cogen | Triton College | River Grove, IL | PJM Interconnection, LLC (PJM) | 910.0 MWh | Mar 1998 | May 2026 | Natural Gas |
| Princeton Solar | Altorfer Inc. | Princeton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 903.9 MWh | Feb 2025 | Dec 2025 | Solar |
| NL IL - Maples Road | Standard Solar | Dixon, IL | PJM Interconnection, LLC (PJM) | 867.0 MWh | Sep 2025 | Dec 2025 | Solar |
| Industrial Park | City of Rock Falls - (IL) | Rock Falls, IL | Midcontinent Independent System Operator, Inc. (MISO) | 838.0 MWh | Jun 2001 | Dec 2025 | Distillate Fuel Oil |
| Princeton (IL) | City of Princeton - (IL) | Princeton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 813.0 MWh | Jun 1953 | Dec 2025 | Natural Gas : 99.8% |
| IL Bolingbrook 279 Marquette Dr | Catalyze Bolingbrook 279 Marquette Drive Microgrid, LLC | Bolingbrook, IL | PJM Interconnection, LLC (PJM) | 762.0 MWh | Apr 2025 | Nov 2025 | Solar |
| Waterloo | City of Waterloo - (IL) | Waterloo, IL | Midcontinent Independent System Operator, Inc. (MISO) | 751.0 MWh | May 1946 | Dec 2025 | Natural Gas : 73.6% Distillate Fuel Oil : 26.4% |
| Des Plaines 7-SLCHI819 | Prologis Logistics Services Incorporated | Des Plaines, IL | PJM Interconnection, LLC (PJM) | 709.0 MWh | May 2025 | Dec 2025 | Solar |
| AES Bend Solar II, LLC CSG | AES Clean Energy | Rockford, IL | PJM Interconnection, LLC (PJM) | 609.0 MWh | Sep 2025 | Dec 2025 | Solar |
| Northwest Community Hospital | Northwest Community Hospital | Arlington Heights, IL | PJM Interconnection, LLC (PJM) | 587.0 MWh | May 1996 | Dec 2025 | Natural Gas |
| LaSalle Solar 6 | Pivot Energy | Ottawa, IL | Midcontinent Independent System Operator, Inc. (MISO) | 582.0 MWh | Oct 2025 | Dec 2025 | Solar |
| Breese | City of Breese - (IL) | Breese, IL | Midcontinent Independent System Operator, Inc. (MISO) | 539.0 MWh | Nov 1953 | Dec 2025 | Distillate Fuel Oil |
| DeKalb Taylor LLC | SunVest Solar LLC | DeKalb, IL | PJM Interconnection, LLC (PJM) | 538.0 MWh | Oct 2025 | Dec 2025 | Solar |
| Bystronic Manufacturing | Onyx Asset Services Group | Hoffman Estates, IL | PJM Interconnection, LLC (PJM) | 515.0 MWh | Jul 2025 | Dec 2025 | Solar |
| IL BEDFORD PARK 7035 W 65TH ST | Catalyze Bedford Park 7035 W 65th Street Microgrid, LLC | BEDFORD PARK, IL | PJM Interconnection, LLC (PJM) | 480.0 MWh | Aug 2025 | Dec 2025 | Solar |
| Sullivan (IL) | City of Sullivan - (IL) | Sullivan, IL | Midcontinent Independent System Operator, Inc. (MISO) | 462.0 MWh | May 1946 | May 2026 | Distillate Fuel Oil |
| Water Lily Solar LLC | Dimension Energy LLC | Minooka, IL | PJM Interconnection, LLC (PJM) | 388.0 MWh | Sep 2025 | Dec 2025 | Solar |
| Tazewell County IL S1 | SolAmerica Energy, LLC | Delavan, IL | Midcontinent Independent System Operator, Inc. (MISO) | 386.0 MWh | Sep 2025 | Dec 2025 | Solar |
| South Belleville Solar, LLC | Dimension Energy LLC | Smithton Township, IL | Midcontinent Independent System Operator, Inc. (MISO) | 385.0 MWh | Oct 2025 | Dec 2025 | Solar |
| Triple S Solar I LLC CSG | AES Clean Energy | Kansas, IL | Midcontinent Independent System Operator, Inc. (MISO) | 381.0 MWh | Sep 2025 | Dec 2025 | Solar |
| SV CSG Prophetstown 1 | SV CSG Prophetstown 1, LLC | Prophetstown, IL | PJM Interconnection, LLC (PJM) | 370.0 MWh | - | Dec 2025 | Solar |
| AES Bend Solar I, LLC CSG | AES Clean Energy | Rockford, IL | PJM Interconnection, LLC (PJM) | 369.0 MWh | Sep 2025 | Dec 2025 | Solar |
| Vermilion Solar II LLC CSG | AES Clean Energy | Pontiac, IL | PJM Interconnection, LLC (PJM) | 357.0 MWh | Sep 2025 | Dec 2025 | Solar |
| Pike County Wind Power | Illinois Rural Electric Coop | Pittsfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 334.0 MWh | Apr 2005 | Jun 2025 | Wind |
| Macon County IL S1 | SolAmerica Energy, LLC | Decatur, IL | Midcontinent Independent System Operator, Inc. (MISO) | 316.0 MWh | Sep 2025 | Dec 2025 | Solar |
| Richmond Solar | DG Richmond, LLC | Richmond, IL | PJM Interconnection, LLC (PJM) | 313.0 MWh | Jun 2025 | Oct 2025 | Solar |
| Beckham Solar LLC | Dimension Energy LLC | Odell, IL | PJM Interconnection, LLC (PJM) | 302.0 MWh | Nov 2025 | Dec 2025 | Solar |
| TAC-Distributed Energy Resource Hybrid | Ameren Illinois | Champaign, IL | Midcontinent Independent System Operator, Inc. (MISO) | 294.0 MWh | Feb 2017 | Dec 2025 | Solar : 62.7% Wind : 37.0% |
| Red Bud | City of Red Bud - (IL) | Red Bud, IL | Midcontinent Independent System Operator, Inc. (MISO) | 262.0 MWh | Feb 1959 | Dec 2025 | Distillate Fuel Oil |
| Rantoul | Village of Rantoul - (IL) | Rantoul, IL | Midcontinent Independent System Operator, Inc. (MISO) | 250.0 MWh | Dec 1950 | May 2026 | Distillate Fuel Oil |
| Carmi | City of Carmi - (IL) | Carmi, IL | Midcontinent Independent System Operator, Inc. (MISO) | 230.0 MWh | Nov 1948 | Dec 2024 | Distillate Fuel Oil |
| Avenue A Generator Sets | City of Rock Falls - (IL) | Rock Falls, IL | Midcontinent Independent System Operator, Inc. (MISO) | 224.0 MWh | Aug 2000 | Dec 2025 | Distillate Fuel Oil |
| Highland | City of Highland - (IL) | Highland, IL | Midcontinent Independent System Operator, Inc. (MISO) | 222.5 MWh | Feb 1967 | Dec 2025 | Distillate Fuel Oil |
| Peoria Solar 3 | Pivot Energy | Dunlap, IL | Midcontinent Independent System Operator, Inc. (MISO) | 219.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Walldog | SunStrong Management, LLC | Pontiac, IL | PJM Interconnection, LLC (PJM) | 210.0 MWh | Oct 2024 | Dec 2024 | Solar |
| Carlyle | City of Carlyle - (IL) | Carlyle, IL | Midcontinent Independent System Operator, Inc. (MISO) | 208.0 MWh | Jul 1964 | Dec 2025 | Distillate Fuel Oil |
| Vermilion Solar I LLC CSG | AES Clean Energy | Pontiac, IL | PJM Interconnection, LLC (PJM) | 200.0 MWh | Sep 2025 | Dec 2025 | Solar |
| SV CSG Gander Farms 1 A | SV CSG Gander Farms 1 A, LLC | Carterville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 188.0 MWh | Oct 2025 | Dec 2025 | Solar |
| 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 |
| Freeburg | Village of Freeburg - (IL) | Freeburg, IL | Midcontinent Independent System Operator, Inc. (MISO) | 145.0 MWh | Jul 1948 | Dec 2025 | Distillate Fuel Oil |
| Factory | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 132.0 MWh | Jul 1973 | Dec 2025 | Distillate Fuel Oil |
| 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 |
| Dakota | SunStrong Management, LLC | Rock City, IL | PJM Interconnection, LLC (PJM) | 82.0 MWh | Nov 2024 | Dec 2024 | Solar |
| 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) | 30.0 MWh | Sep 1996 | May 2026 | Distillate Fuel Oil |
| Towanda | Dimension Energy LLC | Shirley, IL | Midcontinent Independent System Operator, Inc. (MISO) | 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 |
| Presence Saint Mary of Nazareth Hospital | Presence Health | Chicago, IL | PJM Interconnection, LLC (PJM) | 980.0 kWh | Jul 1993 | Dec 2025 | Natural Gas |