Directory of Power Plants in Illinois
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Interstate | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 50.8 GWh | Aug 1997 | Dec 2024 | Natural Gas : 99.9% |
| State Farm | State Farm Insurance | Bloomington, IL | Midcontinent Independent System Operator, Inc. (MISO) | 26.0 MWh | Sep 1996 | Sep 2025 | Distillate Fuel Oil |
| Northwest Community Hospital | Northwest Community Hospital | Arlington Heights, IL | PJM Interconnection, LLC (PJM) | 492.0 MWh | May 1996 | Dec 2024 | Natural Gas |
| Lake Forest Hospital Central Energy Plan | Northwestern Lake Forest Hospital | Lake Forest, IL | PJM Interconnection, LLC (PJM) | 313.0 MWh | May 1996 | Dec 2024 | Natural 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 |
| Northeastern Illinois University Cogen | Northeastern Illinois University | Chicago, IL | PJM Interconnection, LLC (PJM) | 11.8 MWh | Jul 1995 | Dec 2024 | Natural Gas |
| Lake Gas Recovery | WM Illinois Renewable Energy LLC | Northbrook, IL | PJM Interconnection, LLC (PJM) | 11.0 GWh | Jul 1993 | Dec 2024 | Landfill Gas |
| Presence Saint Mary of Nazareth Hospital | Presence Health | Chicago, IL | PJM Interconnection, LLC (PJM) | 21.0 MWh | Jul 1993 | Dec 2024 | Distillate Fuel Oil : 58.8% Natural Gas : 41.2% |
| CSL Behring LLC | CSL Behring LLC | Bradley, IL | PJM Interconnection, LLC (PJM) | 9.1 GWh | Apr 1993 | Dec 2024 | Natural Gas |
| University of Illinois Cogen Facility | University of Illinois | Chicago, IL | PJM Interconnection, LLC (PJM) | 112.3 GWh | Mar 1993 | Sep 2025 | Natural Gas : 99.9% |
| Woodland Landfill Gas Recovery | WM Illinois Renewable Energy LLC | South Elgin, IL | PJM Interconnection, LLC (PJM) | 13.6 GWh | Apr 1992 | Dec 2024 | Landfill Gas |
| Hoffer Plastics | Hoffer Plastics | South Elgin, IL | PJM Interconnection, LLC (PJM) | 2.2 GWh | Mar 1992 | Sep 2025 | Natural Gas |
| Charter Dura-Bar | Wells Manufacturing Co | Woodstock, IL | PJM Interconnection, LLC (PJM) | 8.7 GWh | Mar 1992 | Sep 2025 | Natural Gas |
| Ingredion Incorporated | Ingredion Inc - Illinois | Bedford Park, IL | PJM Interconnection, LLC (PJM) | 219.6 GWh | Apr 1991 | 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 2024 | Natural Gas |
| INEOS Naperville Cogeneration Plant | INEOS US Chemicals Company - Naperville Campus | Naperville, IL | PJM Interconnection, LLC (PJM) | 27.6 GWh | Nov 1990 | Dec 2023 | Natural Gas |
| Tazewell Gas Recovery | WM Illinois Renewable Energy LLC | East Peoria, IL | Midcontinent Independent System Operator, Inc. (MISO) | 13.5 GWh | Jun 1989 | Dec 2024 | Landfill Gas |
| CID Gas Recovery | WM Illinois Renewable Energy LLC | Calumet City, IL | PJM Interconnection, LLC (PJM) | 14.6 GWh | Feb 1989 | Dec 2024 | Landfill Gas |
| Primient Decatur Plant Cogen | Primary Products Ingredients Americas, LLC | Decatur, IL | Midcontinent Independent System Operator, Inc. (MISO) | 254.0 GWh | Dec 1988 | Dec 2024 | Natural Gas |
| Settlers Hill Gas Recovery | WM Illinois Renewable Energy LLC | Batavia, IL | PJM Interconnection, LLC (PJM) | 21.5 GWh | Sep 1988 | Dec 2024 | Landfill Gas |
| Braidwood Generation Station | Constellation Nuclear | Braceville, IL | PJM Interconnection, LLC (PJM) | 20.2 TWh | Jun 1988 | Sep 2025 | Nuclear |
| Upper Sterling | City of Rock Falls - (IL) | Rock Falls, IL | Midcontinent Independent System Operator, Inc. (MISO) | 8.9 GWh | May 1988 | Dec 2024 | Water |
| Archer Daniels Midland Peoria | BioUrja Renewables LLC | Peoria, IL | Midcontinent Independent System Operator, Inc. (MISO) | 78.7 GWh | Dec 1987 | Dec 2024 | Natural Gas |
| Clinton Power Station | Constellation Nuclear | Clinton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 8.8 TWh | Oct 1987 | Sep 2025 | Nuclear |
| Archer Daniels Midland Decatur | Archer Daniels Midland Co | Decatur, IL | Midcontinent Independent System Operator, Inc. (MISO) | 880.7 GWh | Mar 1987 | Sep 2025 | Bituminous Coal : 62.4% Subbituminous Coal : 37.4% |
| ExxonMobil Oil Joliet Refinery | ExxonMobil Oil Corp | Channahon, IL | PJM Interconnection, LLC (PJM) | 186.1 GWh | Apr 1986 | Sep 2025 | Other Gas |
| Nalco | Nalco Co | Naperville, IL | PJM Interconnection, LLC (PJM) | 20.3 GWh | Oct 1985 | Dec 2024 | Natural Gas |
| Byron Generating Station | Constellation Nuclear | Byron, IL | PJM Interconnection, LLC (PJM) | 19.8 TWh | Aug 1985 | Sep 2025 | Nuclear |
| LaSalle Generating Station | Constellation Nuclear | Marseilles, IL | PJM Interconnection, LLC (PJM) | 19.5 TWh | Dec 1983 | Sep 2025 | Nuclear |
| Newton | Illinois Power Generating Co | Newton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 TWh | Oct 1977 | Sep 2025 | Subbituminous Coal : 99.9% |
| Factory | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 78.9 MWh | Jul 1973 | Oct 2024 | Distillate Fuel Oil |
| Pearl Station | Prairie Power, Inc | Pearl, IL | Midcontinent Independent System Operator, Inc. (MISO) | 161.0 MWh | May 1973 | Dec 2024 | Distillate Fuel Oil |
| Quad Cities Generating Station | Constellation Nuclear | Cordova, IL | PJM Interconnection, LLC (PJM) | 15.2 TWh | Nov 1972 | Sep 2025 | Nuclear |
| Powerton | Midwest Generations EME LLC | Pekin, IL | PJM Interconnection, LLC (PJM) | 2.9 TWh | Aug 1972 | Sep 2025 | Subbituminous Coal : 99.7% |
| Reynolds | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 81.0 MWh | Oct 1970 | Dec 2024 | Distillate Fuel Oil |
| Dresden Generating Station | Constellation Nuclear | Morris, IL | PJM Interconnection, LLC (PJM) | 15.2 TWh | Jul 1970 | Sep 2025 | Nuclear |
| Baldwin Energy Complex | Dynegy Midwest Generation Inc | Baldwin, IL | Midcontinent Independent System Operator, Inc. (MISO) | 6.6 TWh | Jun 1970 | Sep 2025 | Subbituminous Coal : 99.8% |
| City of Peru Plank Road Generating Station | City of Peru - (IL) | Peru, IL | Midcontinent Independent System Operator, Inc. (MISO) | 17.0 GWh | Sep 1968 | Sep 2025 | Water : 98.6% Distillate Fuel Oil : 1.1% |
| Dallman | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 809.1 GWh | May 1968 | Sep 2025 | Bituminous Coal : 99.6% |
| South Main Street | Rochelle Municipal Utilities | Rochelle, IL | PJM Interconnection, LLC (PJM) | 1.3 GWh | Aug 1967 | Dec 2024 | Distillate Fuel Oil |
| Kincaid Generation LLC | Dynegy Kincaid Generation | Kincaid, IL | PJM Interconnection, LLC (PJM) | 2.6 TWh | May 1967 | Sep 2025 | Subbituminous Coal : 99.5% Natural Gas : 0.5% |
| Highland | City of Highland | Highland, IL | Midcontinent Independent System Operator, Inc. (MISO) | 187.0 MWh | Feb 1967 | Dec 2024 | Distillate Fuel Oil |
| Carlyle | City of Carlyle - (IL) | Carlyle, IL | Midcontinent Independent System Operator, Inc. (MISO) | 231.0 MWh | Jul 1964 | Dec 2024 | Distillate Fuel Oil |
| Marion | Southern Illinois Power Coop | Marion, IL | Midcontinent Independent System Operator, Inc. (MISO) | 761.7 GWh | May 1963 | Sep 2025 | Bituminous Coal : 85.9% Natural Gas : 14.0% |
| Red Bud | City of Red Bud - (IL) | Red Bud, IL | Midcontinent Independent System Operator, Inc. (MISO) | 121.0 MWh | Feb 1959 | Dec 2024 | Distillate Fuel Oil |
| Geneseo | City of Geneseo - (IL) | Geneseo, IL | Midcontinent Independent System Operator, Inc. (MISO) | 7.5 GWh | Jun 1957 | Sep 2025 | Wind : 75.9% Solar : 22.4% |
| Breese | City of Breese - (IL) | Breese, IL | Midcontinent Independent System Operator, Inc. (MISO) | 263.0 MWh | Nov 1953 | Dec 2024 | Distillate Fuel Oil |
| Princeton (IL) | City of Princeton - (IL) | Princeton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 434.0 MWh | Jun 1953 | Dec 2024 | Natural Gas : 99.8% |
| Farmer City | City of Farmer City - (IL) | Farmer City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 50.0 MWh | Mar 1951 | Dec 2024 | Distillate Fuel Oil |
| Rantoul | Village of Rantoul - (IL) | Rantoul, IL | Midcontinent Independent System Operator, Inc. (MISO) | 200.0 MWh | Dec 1950 | Sep 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 |
| Freeburg | Village of Freeburg - (IL) | Freeburg, IL | Midcontinent Independent System Operator, Inc. (MISO) | 122.0 MWh | Jul 1948 | Dec 2024 | Distillate Fuel Oil |
| Winnetka | Village of Winnetka - (IL) | Winnetka, IL | PJM Interconnection, LLC (PJM) | 2.7 GWh | Dec 1947 | Dec 2024 | Natural Gas : 91.7% Distillate Fuel Oil : 8.3% |
| Sullivan (IL) | City of Sullivan - (IL) | Sullivan, IL | Midcontinent Independent System Operator, Inc. (MISO) | 255.0 MWh | May 1946 | Sep 2025 | Distillate Fuel Oil |
| Waterloo | City of Waterloo - (IL) | Waterloo, IL | Midcontinent Independent System Operator, Inc. (MISO) | 491.0 MWh | May 1946 | Dec 2024 | Natural Gas : 68.9% Distillate Fuel Oil : 31.1% |
| Moline | MidAmerican Energy Co | Moline, IL | Midcontinent Independent System Operator, Inc. (MISO) | 18.6 GWh | Dec 1941 | Dec 2024 | Water : 94.4% Natural Gas : 5.6% |
| University of Illinois Abbott Power Plt | University of Illinois | Champaign, IL | Midcontinent Independent System Operator, Inc. (MISO) | 211.1 GWh | Oct 1940 | Dec 2024 | Natural Gas : 97.4% Bituminous Coal : 2.6% |
| North Ninth Street | Rochelle Municipal Utilities | Rochelle, IL | PJM Interconnection, LLC (PJM) | 1.6 GWh | Sep 1940 | Sep 2025 | Natural Gas : 75.2% Solar : 13.8% Distillate Fuel Oil : 11.0% |
| Bushnell | City of Bushnell - (IL) | Bushnell, IL | Midcontinent Independent System Operator, Inc. (MISO) | 49.0 MWh | May 1940 | Dec 2024 | Distillate Fuel Oil |
| Rockton | Eagle Creek Renewable Energy, LLC | Rockton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 5.7 GWh | Dec 1928 | Dec 2024 | Water |
| Dixon Hydroelectric Dam | Eagle Creek Renewable Energy, LLC | Dixon, IL | PJM Interconnection, LLC (PJM) | 11.3 GWh | May 1925 | Dec 2024 | Water |
| Dayton Hydro | Eagle Creek Renewable Energy, LLC | Ottawa, IL | Midcontinent Independent System Operator, Inc. (MISO) | 15.6 GWh | Dec 1924 | Dec 2024 | Water |
| Panther Creek Wind Project | Greenbacker Renewable Energy Corporation | Pittsfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 89.3 GWh | - | Sep 2025 | Wind |
| Richland Township Solar, LLC | Birch Creek Power, LLC | Washburn, IL | Midcontinent Independent System Operator, Inc. (MISO) | 62.3 GWh | - | Sep 2025 | Solar |
| Salt Creek Township Solar, LLC | Birch Creek Power, LLC | Mason City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 86.2 GWh | - | Sep 2025 | Solar |
| Eldorado Solar I | Sol Systems | Eldorado, IL | Midcontinent Independent System Operator, Inc. (MISO) | 257.0 GWh | - | Sep 2025 | Solar |
| Prosperity Wind | Prosperity Wind, LLC | Deland, IL | Midcontinent Independent System Operator, Inc. (MISO) | 383.9 GWh | - | Sep 2025 | Wind |