Directory of Power Plants in Illinois
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| SIUC | Southern Illinois University Carbondale | Carbondale, IL | Midcontinent Independent System Operator, Inc. (MISO) | 8.9 GWh | May 1998 | May 2026 | Bituminous Coal |
| Archer Daniels Midland Decatur | Archer Daniels Midland Co | Decatur, IL | Midcontinent Independent System Operator, Inc. (MISO) | 910.8 GWh | Mar 1987 | May 2026 | Bituminous Coal : 63.2% Subbituminous Coal : 36.5% |
| Marion | Southern Illinois Power Coop | Marion, IL | Midcontinent Independent System Operator, Inc. (MISO) | 798.2 GWh | May 1963 | May 2026 | Bituminous Coal : 86.6% Natural Gas : 12.8% Distillate Fuel Oil : 0.6% |
| Dallman | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 828.4 GWh | May 1968 | May 2026 | Bituminous Coal : 99.5% Natural Gas : 0.5% |
| Prairie State Generating Station | Prairie State Generating Co LLC | Marissa, IL | Midcontinent Independent System Operator, Inc. (MISO) | 12.2 TWh | May 2012 | May 2026 | Bituminous Coal : 99.8% |
| Marshall (IL) | City of Marshall - (IL) | Marshall, IL | Midcontinent Independent System Operator, Inc. (MISO) | 167.0 MWh | Mar 2002 | 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 |
| MPEA Energy Center | Metropolitan Pier and Exposition Auth | Chicago, IL | PJM Interconnection, LLC (PJM) | 4.0 MWh | Dec 1996 | 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 |
| 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 |
| South Main Street | Rochelle Municipal Utilities - (IL) | Rochelle, IL | PJM Interconnection, LLC (PJM) | 1.2 GWh | Aug 1967 | Dec 2025 | Distillate Fuel Oil |
| Reynolds | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 179.0 MWh | Oct 1970 | Dec 2025 | Distillate Fuel Oil |
| Sullivan (IL) | City of Sullivan - (IL) | Sullivan, IL | Midcontinent Independent System Operator, Inc. (MISO) | 462.0 MWh | May 1946 | May 2026 | 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 |
| Pearl Station | Prairie Power, Inc | Pearl, IL | Midcontinent Independent System Operator, Inc. (MISO) | 64.0 MWh | May 1973 | 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 |
| 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 |
| State Farm | State Farm Insurance | Bloomington, IL | Midcontinent Independent System Operator, Inc. (MISO) | 30.0 MWh | Sep 1996 | May 2026 | 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 |
| Bushnell | City of Bushnell - (IL) | Bushnell, IL | Midcontinent Independent System Operator, Inc. (MISO) | 78.0 MWh | May 1940 | Dec 2025 | Distillate Fuel Oil |
| Fisk Street | Midwest Generations EME LLC | Chicago, IL | PJM Interconnection, LLC (PJM) | 2.7 GWh | Jun 1968 | 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 |
| 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 |
| McLeansboro | City of McLeansboro - (IL) | McLeansboro, IL | Midcontinent Independent System Operator, Inc. (MISO) | 42.0 MWh | Nov 1950 | Dec 2025 | Distillate Fuel Oil |
| Breese | City of Breese - (IL) | Breese, IL | Midcontinent Independent System Operator, Inc. (MISO) | 539.0 MWh | Nov 1953 | Dec 2025 | Distillate Fuel Oil |
| Carlyle | City of Carlyle - (IL) | Carlyle, IL | Midcontinent Independent System Operator, Inc. (MISO) | 208.0 MWh | Jul 1964 | Dec 2025 | 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 |
| 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 |
| Freeburg | Village of Freeburg - (IL) | Freeburg, IL | Midcontinent Independent System Operator, Inc. (MISO) | 145.0 MWh | Jul 1948 | 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 |
| Highland | City of Highland - (IL) | Highland, IL | Midcontinent Independent System Operator, Inc. (MISO) | 222.5 MWh | Feb 1967 | Dec 2025 | Distillate Fuel Oil |
| 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 |
| Lake Gas Recovery | WM Illinois Renewable Energy LLC | Northbrook, IL | PJM Interconnection, LLC (PJM) | 10.8 GWh | Jul 1993 | Dec 2025 | Landfill Gas |
| Livingston Generating Facility | Hoosier Energy R E C, Inc | Pontiac, IL | PJM Interconnection, LLC (PJM) | 50.1 GWh | Nov 1999 | Dec 2025 | Landfill Gas |
| Greene Valley Gas Recovery | WM Illinois Renewable Energy LLC | Naperville, IL | PJM Interconnection, LLC (PJM) | 22.5 GWh | Apr 1996 | Dec 2024 | Landfill Gas |
| Woodland Landfill Gas Recovery | WM Illinois Renewable Energy LLC | South Elgin, IL | PJM Interconnection, LLC (PJM) | 12.9 GWh | Apr 1992 | Dec 2025 | Landfill Gas |
| Settlers Hill Gas Recovery | WM Illinois Renewable Energy LLC | Batavia, IL | PJM Interconnection, LLC (PJM) | 22.2 GWh | Sep 1988 | Dec 2025 | Landfill Gas |
| CID Gas Recovery | WM Illinois Renewable Energy LLC | Calumet City, IL | PJM Interconnection, LLC (PJM) | 13.3 GWh | Feb 1989 | Dec 2025 | Landfill Gas |
| Tazewell Gas Recovery | WM Illinois Renewable Energy LLC | East Peoria, IL | Midcontinent Independent System Operator, Inc. (MISO) | 10.7 GWh | Jun 1989 | Dec 2025 | Landfill Gas |
| Beecher Gas Recovery | Will County Energy LLC | Beecher, IL | PJM Interconnection, LLC (PJM) | 3.3 GWh | May 2006 | Dec 2025 | Landfill Gas |
| Rochelle Energy Center | Frontier Operation Services | Rochelle, IL | PJM Interconnection, LLC (PJM) | 13.1 GWh | Nov 2011 | Dec 2025 | Landfill Gas |
| Five Oaks Gas Recovery | WM Renewable Energy LLC | Taylorville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 23.7 GWh | Jan 2008 | Dec 2025 | Landfill Gas |
| Clinton LFGTE | Wabash Valley Power Assn, Inc | Clinton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 16.4 GWh | Jan 2006 | May 2026 | Landfill Gas |
| Elwood Energy LLC | Elwood Energy, LLC | Elwood, IL | PJM Interconnection, LLC (PJM) | 345.0 GWh | Jun 1999 | May 2026 | Natural Gas |
| Adkins Energy LLC | Adkins Energy LLC | Lena, IL | PJM Interconnection, LLC (PJM) | 38.7 GWh | Jul 2002 | Dec 2025 | Natural Gas |
| MPH Elwood | MPH Elwood, LLC | Elwood, IL | PJM Interconnection, LLC (PJM) | 2.4 GWh | Jun 1999 | May 2026 | Natural Gas |
| Geneva Generation Facility | City of Geneva - (IL) | Geneva, IL | PJM Interconnection, LLC (PJM) | 12.7 GWh | May 2005 | Dec 2025 | Natural Gas |
| NRG Rockford II Energy Center | Rockford Generation LLC | Rockford, IL | PJM Interconnection, LLC (PJM) | 56.1 GWh | May 2002 | Dec 2025 | Natural Gas |
| MRP Rocky Road LLC | Lincoln Operating Services, LLC | East Dundee, IL | PJM Interconnection, LLC (PJM) | 12.4 GWh | May 1999 | Dec 2024 | Natural Gas |
| Kendall County Generation Facility | Dynegy Kendall Energy LLC | Minooka, IL | PJM Interconnection, LLC (PJM) | 5.5 TWh | Feb 2002 | May 2026 | Natural Gas |
| Nelson Energy Center | Invenergy Services LLC | Rock Falls, IL | PJM Interconnection, LLC (PJM) | 3.0 TWh | Apr 2015 | Dec 2025 | Natural Gas |
| University Park North | LSP University Park LLC | University Park, IL | PJM Interconnection, LLC (PJM) | 123.7 GWh | May 2002 | Dec 2024 | Natural Gas |
| Cordova Energy | Cordova Energy Co LLC | Cordova, IL | PJM Interconnection, LLC (PJM) | 1.1 TWh | May 2001 | Dec 2025 | Natural Gas |
| MRP Elgin LLC | Lincoln Operating Services, LLC | Elgin, IL | PJM Interconnection, LLC (PJM) | 62.2 GWh | Aug 2002 | Dec 2024 | Natural Gas |
| Holland Energy Facility | NAES Corporation - (WA) | Beecher City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 2.6 TWh | Aug 2002 | May 2026 | Natural Gas |
| Shelby Energy County | Shelby County Energy Center, LLC | Neoga, IL | Midcontinent Independent System Operator, Inc. (MISO) | 183.9 GWh | May 2000 | Dec 2025 | Natural Gas |
| Gibson City Energy Center LLC | Gibson City Energy Center LLC | Gibson City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 109.3 GWh | May 2000 | Dec 2024 | Natural Gas |
| Pinckneyville | Union Electric Co - (MO) | Pinckneyville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 66.6 GWh | May 2000 | Dec 2025 | Natural Gas |
| Kinmundy | Union Electric Co - (MO) | Patoka, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 GWh | Mar 2001 | Dec 2025 | Natural Gas |
| Morris Cogeneration LLC | Morris Cogeneration LLC | Morris, IL | PJM Interconnection, LLC (PJM) | 621.2 GWh | Oct 1998 | May 2026 | Natural Gas |
| Calumet Energy Team LLC | IPA Operations Inc - Calumet | Chicago, IL | PJM Interconnection, LLC (PJM) | 7.6 GWh | May 2002 | Dec 2025 | Natural Gas |
| Lee Energy Facility | Lee County Generating Station - (IL) | Dixon, IL | PJM Interconnection, LLC (PJM) | 65.2 GWh | Apr 2001 | Dec 2025 | Natural Gas |
| Aurora | Aurora Generation LLC | Aurora, IL | PJM Interconnection, LLC (PJM) | 508.9 GWh | Apr 2001 | May 2026 | Natural Gas |
| University Park South | University Park Energy LLC | University Park, IL | PJM Interconnection, LLC (PJM) | 151.4 GWh | May 2001 | Dec 2025 | Natural Gas |
| NRG Rockford I | Rockford Generation LLC | Rockford, IL | PJM Interconnection, LLC (PJM) | 106.5 GWh | May 2000 | Dec 2025 | Natural Gas |
| Jackson Generation, LLC | Jackson Generation, LLC | Elwood, IL | PJM Interconnection, LLC (PJM) | 6.5 TWh | Apr 2022 | May 2026 | Natural Gas |
| Venice | Union Electric Co - (MO) | Venice, IL | Midcontinent Independent System Operator, Inc. (MISO) | 18.3 GWh | May 2002 | Dec 2025 | Natural Gas |
| Invenergy Nelson Expansion LLC | Invenergy Services LLC | Rock Falls, IL | PJM Interconnection, LLC (PJM) | 863.1 GWh | Mar 2023 | May 2026 | Natural Gas |
| Northwest Community Hospital | Northwest Community Hospital | Arlington Heights, IL | PJM Interconnection, LLC (PJM) | 587.0 MWh | May 1996 | Dec 2025 | Natural Gas |
| Argonne National Laboratory CHP | Argonne National Laboratory | Lemont, IL | PJM Interconnection, LLC (PJM) | 40.3 GWh | Apr 2016 | Dec 2025 | Natural Gas |
| 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 |
| Chicago West Side Energy Center | Energy Systems Group LLC | Chicago, IL | PJM Interconnection, LLC (PJM) | 17.4 GWh | Sep 2003 | Dec 2025 | Natural Gas |
| 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 |
| Presence Saint Mary of Nazareth Hospital | Presence Health | Chicago, IL | PJM Interconnection, LLC (PJM) | 980.0 kWh | Jul 1993 | Dec 2025 | Natural Gas |
| Triton East and West Cogen | Triton College | River Grove, IL | PJM Interconnection, LLC (PJM) | 910.0 MWh | Mar 1998 | May 2026 | Natural Gas |
| Tilton | Tilton Energy LLC | Tilton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 53.8 GWh | May 1999 | Dec 2025 | Natural Gas |
| North Chicago Energy Center | Energy Systems Group LLC | North Chicago, IL | PJM Interconnection, LLC (PJM) | 38.2 GWh | Sep 2003 | Dec 2024 | Natural Gas |
| Archer Daniels Midland Peoria | BioUrja Renewables LLC | Peoria, IL | Midcontinent Independent System Operator, Inc. (MISO) | 72.9 GWh | Dec 1987 | Dec 2025 | Natural Gas |
| Primient Decatur Plant Cogen | Primary Products Ingredients Americas, LLC | Decatur, IL | Midcontinent Independent System Operator, Inc. (MISO) | 150.0 GWh | Dec 1988 | Dec 2025 | Natural Gas |
| Northeastern Illinois University Cogen | Northeastern Illinois University | Chicago, IL | PJM Interconnection, LLC (PJM) | 2.0 MWh | Jul 1995 | Dec 2025 | Natural Gas |
| Nalco | Nalco Co | Naperville, IL | PJM Interconnection, LLC (PJM) | 20.3 GWh | Oct 1985 | Dec 2024 | Natural Gas |
| Milam Gas Recovery | WM Illinois Renewable Energy LLC | East St. Lois, IL | Midcontinent Independent System Operator, Inc. (MISO) | 19.4 GWh | Mar 1991 | Dec 2025 | Natural Gas |
| Loyola University Health Plant | Loyola University Health System | Maywood, IL | PJM Interconnection, LLC (PJM) | 19.5 GWh | Aug 2005 | Dec 2025 | Natural Gas |
| CPV Three Rivers Energy Center | CPV Three Rivers, LLC | Morris, IL | PJM Interconnection, LLC (PJM) | 6.5 TWh | May 2023 | May 2026 | Natural Gas |
| Hoffer Plastics | Hoffer Plastics | South Elgin, IL | PJM Interconnection, LLC (PJM) | 2.7 GWh | Mar 1992 | May 2026 | Natural Gas |
| Charter Dura-Bar | Wells Manufacturing Co | Woodstock, IL | PJM Interconnection, LLC (PJM) | 8.0 GWh | Mar 1992 | May 2026 | Natural Gas |
| Ingredion Incorporated | Ingredion Inc - Illinois | Bedford Park, IL | PJM Interconnection, LLC (PJM) | 219.6 GWh | Apr 1991 | Dec 2024 | Natural Gas |
| CSL Behring LLC | CSL Behring LLC | Bradley, IL | PJM Interconnection, LLC (PJM) | 29.8 GWh | Apr 1993 | Dec 2025 | Natural Gas |
| 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% |
| North Ninth Street | Rochelle Municipal Utilities - (IL) | Rochelle, IL | PJM Interconnection, LLC (PJM) | 1.5 GWh | Sep 1940 | May 2026 | Natural Gas : 76.6% Solar : 13.5% Distillate Fuel Oil : 9.9% |
| Winnetka | Village of Winnetka - (IL) | Winnetka, IL | PJM Interconnection, LLC (PJM) | 2.9 GWh | Dec 1947 | Dec 2025 | Natural Gas : 90.3% Distillate Fuel Oil : 9.7% |
| University of Illinois Abbott Power Plt | University of Illinois | Champaign, IL | Midcontinent Independent System Operator, Inc. (MISO) | 212.6 GWh | Oct 1940 | Dec 2025 | Natural Gas : 97.0% Bituminous Coal : 3.0% |
| Interstate | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 57.5 GWh | Aug 1997 | Dec 2025 | Natural Gas : 99.2% Distillate Fuel Oil : 0.8% |
| Zion Energy Center | Zion Energy LLC | Zion, IL | PJM Interconnection, LLC (PJM) | 468.2 GWh | May 2002 | Dec 2025 | Natural Gas : 99.2% Distillate Fuel Oil : 0.8% |
| 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% |
| Alsey | Prairie Power, Inc | Alsey, IL | Midcontinent Independent System Operator, Inc. (MISO) | 34.7 GWh | May 1999 | Dec 2025 | Natural Gas : 99.8% |
| University of Illinois Cogen Facility | University of Illinois | Chicago, IL | PJM Interconnection, LLC (PJM) | 115.0 GWh | Mar 1993 | May 2026 | Natural Gas : 99.9% |
| Dresden Generating Station | Constellation Nuclear | Morris, IL | PJM Interconnection, LLC (PJM) | 15.1 TWh | Jul 1970 | May 2026 | Nuclear |
| Clinton Power Station | Constellation Nuclear | Clinton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 8.3 TWh | Oct 1987 | May 2026 | Nuclear |