Directory of Power Plants in Illinois
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| White Oak Energy LLC | White Oak Energy LLC | Carlock, IL | Midcontinent Independent System Operator, Inc. (MISO) | 399.9 GWh | May 2011 | Dec 2025 | Wind |
| Big Sky Wind LLC | Big Sky Wind LLC | Ohio, IL | PJM Interconnection, LLC (PJM) | 816.6 GWh | Jan 2011 | Dec 2025 | Wind |
| Blackstone Wind Farm II LLC | Blackstone Wind Farm II LLC | Dwight, IL | PJM Interconnection, LLC (PJM) | 481.5 GWh | Jul 2010 | Dec 2025 | Wind |
| Granite City Works | United States Steel Granite City Works | Granite City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 447.9 GWh | May 2010 | Aug 2026 | Purchased Steam : 49.2% Natural Gas : 43.5% Blast Furnace Gas : 7.3% |
| Streator Cayuga Ridge South | Avangrid Power LLC | Odell, IL | PJM Interconnection, LLC (PJM) | 673.8 GWh | Feb 2010 | Aug 2026 | Wind |
| Kishwaukee CHP Plant | Four Rivers Sanitation Authority | Rockford, IL | PJM Interconnection, LLC (PJM) | 8.3 GWh | Dec 2009 | Aug 2026 | Other Biomass Gas : 97.0% Natural Gas : 3.0% |
| Exelon Solar Chicago | Luminace Solar Chicago, LLC | Chicago, IL | PJM Interconnection, LLC (PJM) | 8.7 GWh | Nov 2009 | Aug 2026 | Solar |
| FPL Energy Illinois Wind LLC Hybrid | FPL Energy Illinois Wind LLC | Shabbona, IL | PJM Interconnection, LLC (PJM) | 615.3 GWh | Nov 2009 | Aug 2026 | Wind |
| Blackstone Wind Farm LLC | Blackstone Wind Farm LLC | Ransom, IL | PJM Interconnection, LLC (PJM) | 237.7 GWh | Sep 2009 | Dec 2025 | Wind |
| Rail Splitter Wind Farm | Rail Splitter Wind Farm LLC | Hopedale, IL | Midcontinent Independent System Operator, Inc. (MISO) | 269.2 GWh | Jul 2009 | Dec 2025 | Wind |
| EcoGrove Wind LLC | Acciona Wind Energy USA LLC | Lena, IL | PJM Interconnection, LLC (PJM) | 251.1 GWh | Jun 2009 | Dec 2025 | Wind |
| Grand Ridge Wind Energy Center | Invenergy Services LLC | Marseilles, IL | PJM Interconnection, LLC (PJM) | 447.2 GWh | Sep 2008 | Dec 2025 | Wind |
| Providence Heights Wind LLC | Avangrid Power LLC | Tiskilwa, IL | PJM Interconnection, LLC (PJM) | 134.8 GWh | Jul 2008 | Dec 2025 | Wind |
| 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 |
| Old Trail Wind Farm | Old Trail Wind Farm LLC | Ellsworth, IL | PJM Interconnection, LLC (PJM) | 569.1 GWh | Nov 2007 | Aug 2026 | Wind |
| Camp Grove Wind Farm | Orion Energy Group LLC | Wyoming, IL | PJM Interconnection, LLC (PJM) | 406.1 GWh | Nov 2007 | Dec 2025 | Wind |
| Com Adam 1WF-1 | FPC Services Inc. | Sublette, IL | PJM Interconnection, LLC (PJM) | 7.0 GWh | Sep 2007 | Sep 2025 | Wind |
| Agriwind | Agriwind Holdings, LLC | Tiskilwa, IL | Midcontinent Independent System Operator, Inc. (MISO) | 16.7 GWh | Jun 2007 | Dec 2025 | Wind |
| GSG LLC | Leeward Asset Management, LLC | West Brooklyn, IL | PJM Interconnection, LLC (PJM) | 312.3 GWh | May 2007 | Dec 2025 | Wind |
| High Trail Wind Farm LLC | High Trail Wind Farm LLC | Ellsworth, IL | PJM Interconnection, LLC (PJM) | 547.9 GWh | Feb 2007 | Aug 2026 | Wind |
| Beecher Gas Recovery | Will County Energy LLC | Beecher, IL | PJM Interconnection, LLC (PJM) | 3.3 GWh | May 2006 | Dec 2025 | Landfill Gas |
| Clinton LFGTE | Wabash Valley Power Assn, Inc | Clinton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 16.0 GWh | Jan 2006 | Aug 2026 | Landfill Gas |
| Crescent Ridge | Leeward Asset Management, LLC | Tiskilwa, IL | PJM Interconnection, LLC (PJM) | 199.2 GWh | Nov 2005 | Dec 2025 | Wind |
| Loyola University Health Plant | Loyola University Health System | Maywood, IL | PJM Interconnection, LLC (PJM) | 19.5 GWh | Aug 2005 | Dec 2025 | Natural Gas |
| Geneva Generation Facility | City of Geneva - (IL) | Geneva, IL | PJM Interconnection, LLC (PJM) | 12.7 GWh | May 2005 | Dec 2025 | Natural Gas |
| Pike County Wind Power | Illinois Rural Electric Coop | Pittsfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 334.0 MWh | Apr 2005 | Jun 2025 | Wind |
| Mendota Hills, LLC | Leeward Asset Management, LLC | Paw Paw, IL | PJM Interconnection, LLC (PJM) | 255.9 GWh | Oct 2003 | Dec 2025 | Wind |
| North Chicago Energy Center | Energy Systems Group LLC | North Chicago, IL | PJM Interconnection, LLC (PJM) | 39.0 GWh | Sep 2003 | 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 |
| Holland Energy Facility | NAES Corporation - (WA) | Beecher City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.4 TWh | Aug 2002 | Aug 2026 | Natural Gas |
| MRP Elgin LLC | Lincoln Operating Services, LLC | Elgin, IL | PJM Interconnection, LLC (PJM) | 197.9 GWh | Aug 2002 | Dec 2025 | Natural Gas |
| Adkins Energy LLC | Adkins Energy LLC | Lena, IL | PJM Interconnection, LLC (PJM) | 38.7 GWh | Jul 2002 | Dec 2025 | Natural Gas |
| Venice | Union Electric Co - (MO) | Venice, IL | Midcontinent Independent System Operator, Inc. (MISO) | 18.3 GWh | May 2002 | Dec 2025 | Natural Gas |
| Calumet Energy Team LLC | IPA Operations Inc - Calumet | Chicago, IL | PJM Interconnection, LLC (PJM) | 7.6 GWh | May 2002 | Oct 2025 | Natural Gas |
| 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% |
| University Park North | LSP University Park LLC | University Park, IL | PJM Interconnection, LLC (PJM) | 277.6 GWh | May 2002 | 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 |
| Crete Energy Venture LLC | Crete Energy Venture LLC | Crete, IL | PJM Interconnection, LLC (PJM) | 59.8 GWh | Apr 2002 | Dec 2025 | Natural Gas |
| 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 |
| Marshall (IL) | City of Marshall - (IL) | Marshall, IL | Midcontinent Independent System Operator, Inc. (MISO) | 167.0 MWh | Mar 2002 | Dec 2025 | Distillate Fuel Oil |
| Kendall County Generation Facility | Dynegy Kendall Energy LLC | Minooka, IL | PJM Interconnection, LLC (PJM) | 5.4 TWh | Feb 2002 | Aug 2026 | Natural Gas |
| Altamont | City of Altamont - (IL) | Altamont, IL | Midcontinent Independent System Operator, Inc. (MISO) | 75.0 MWh | Dec 2001 | 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 |
| 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 |
| Cordova Energy | Cordova Energy Co LLC | Cordova, IL | PJM Interconnection, LLC (PJM) | 1.1 TWh | May 2001 | Dec 2025 | 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 |
| 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) | 404.0 GWh | Apr 2001 | Aug 2026 | Natural Gas |
| Kinmundy | Union Electric Co - (MO) | Patoka, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 GWh | Mar 2001 | Nov 2025 | Natural Gas |
| 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 |
| 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 |
| Gibson City Energy Center LLC | Gibson City Energy Center LLC | Gibson City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 77.3 GWh | May 2000 | Dec 2025 | Natural Gas |
| Pinckneyville | Union Electric Co - (MO) | Pinckneyville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 66.8 GWh | May 2000 | Nov 2025 | Natural Gas |
| Lincoln Generating Facility | Lincoln Generating Facility LLC | Manhattan, IL | PJM Interconnection, LLC (PJM) | 8.2 GWh | May 2000 | Oct 2025 | 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 |
| NRG Rockford I | Rockford Generation LLC | Rockford, IL | PJM Interconnection, LLC (PJM) | 106.5 GWh | May 2000 | Dec 2025 | Natural 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 |
| Elwood Energy LLC | Elwood Energy, LLC | Elwood, IL | PJM Interconnection, LLC (PJM) | 539.0 GWh | Jun 1999 | Aug 2026 | Natural Gas |
| MPH Elwood | MPH Elwood, LLC | Elwood, IL | PJM Interconnection, LLC (PJM) | 2.4 GWh | Jun 1999 | 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 |
| Alsey | Prairie Power, Inc | Alsey, IL | Midcontinent Independent System Operator, Inc. (MISO) | 34.7 GWh | May 1999 | Dec 2025 | Natural Gas : 99.8% |
| MRP Rocky Road LLC | Lincoln Operating Services, LLC | East Dundee, IL | PJM Interconnection, LLC (PJM) | 33.8 GWh | May 1999 | Dec 2025 | Natural Gas |
| Lockport Powerhouse | Metro Wtr Recl Dist Grtr Chi | Lockport, IL | PJM Interconnection, LLC (PJM) | 20.4 GWh | Jan 1999 | Jul 2026 | Water |
| Morris Cogeneration LLC | Morris Cogeneration LLC | Morris, IL | PJM Interconnection, LLC (PJM) | 613.1 GWh | Oct 1998 | Aug 2026 | Natural Gas |
| SIUC | Southern Illinois University Carbondale | Carbondale, IL | Midcontinent Independent System Operator, Inc. (MISO) | 9.1 GWh | May 1998 | Aug 2026 | Bituminous Coal |
| Triton East and West Cogen | Triton College | River Grove, IL | PJM Interconnection, LLC (PJM) | 1.6 GWh | Mar 1998 | Aug 2026 | Natural Gas |
| 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% |
| MPEA Energy Center | Metropolitan Pier and Exposition Auth | Chicago, IL | PJM Interconnection, LLC (PJM) | 4.0 MWh | Dec 1996 | Dec 2025 | Distillate Fuel Oil |
| State Farm | State Farm Insurance | Bloomington, IL | Midcontinent Independent System Operator, Inc. (MISO) | 29.0 MWh | Sep 1996 | Aug 2026 | Distillate Fuel Oil |
| City of Peru Hydro-Electric Generating S | City of Peru - (IL) | Utica, IL | Midcontinent Independent System Operator, Inc. (MISO) | 17.2 GWh | Aug 1996 | Dec 2025 | Water |
| Northwest Community Hospital | Northwest Community Hospital | Arlington Heights, IL | PJM Interconnection, LLC (PJM) | 587.0 MWh | May 1996 | 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 |
| Greene Valley Gas Recovery | WM Illinois Renewable Energy LLC | Naperville, IL | PJM Interconnection, LLC (PJM) | 22.4 GWh | Apr 1996 | Dec 2025 | Landfill Gas |
| Northeastern Illinois University Cogen | Northeastern Illinois University | Chicago, IL | PJM Interconnection, LLC (PJM) | 2.0 MWh | Jul 1995 | Dec 2025 | Natural Gas |
| Lake Gas Recovery | WM Illinois Renewable Energy LLC | Northbrook, IL | PJM Interconnection, LLC (PJM) | 10.8 GWh | Jul 1993 | Dec 2025 | Landfill Gas |
| Presence Saint Mary of Nazareth Hospital | Presence Health | Chicago, IL | PJM Interconnection, LLC (PJM) | 980.0 kWh | Jul 1993 | Dec 2025 | Natural Gas |
| CSL Behring LLC | CSL Behring LLC | Bradley, IL | PJM Interconnection, LLC (PJM) | 29.8 GWh | Apr 1993 | Dec 2025 | Natural Gas |
| University of Illinois Cogen Facility | University of Illinois | Chicago, IL | PJM Interconnection, LLC (PJM) | 110.2 GWh | Mar 1993 | Aug 2026 | Natural Gas : 99.9% |
| 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 |
| Hoffer Plastics | Hoffer Plastics | South Elgin, IL | PJM Interconnection, LLC (PJM) | 2.8 GWh | Mar 1992 | Aug 2026 | Natural Gas |
| Charter Dura-Bar | Wells Manufacturing Co | Woodstock, IL | PJM Interconnection, LLC (PJM) | 7.9 GWh | Mar 1992 | Aug 2026 | Natural Gas |
| Ingredion Incorporated | Ingredion Inc - Illinois | Bedford Park, IL | PJM Interconnection, LLC (PJM) | 186.3 GWh | Apr 1991 | Dec 2025 | 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 |
| 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 |
| CID Gas Recovery | WM Illinois Renewable Energy LLC | Calumet City, IL | PJM Interconnection, LLC (PJM) | 13.3 GWh | Feb 1989 | Dec 2025 | Landfill 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 |
| Settlers Hill Gas Recovery | WM Illinois Renewable Energy LLC | Batavia, IL | PJM Interconnection, LLC (PJM) | 22.2 GWh | Sep 1988 | Dec 2025 | Landfill Gas |
| Braidwood Generation Station | Constellation Nuclear | Braceville, IL | PJM Interconnection, LLC (PJM) | 19.6 TWh | Jun 1988 | Aug 2026 | Nuclear |
| Upper Sterling | City of Rock Falls - (IL) | Rock Falls, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | May 1988 | May 2025 | Water |
| Archer Daniels Midland Peoria | BioUrja Renewables LLC | Peoria, IL | Midcontinent Independent System Operator, Inc. (MISO) | 72.9 GWh | Dec 1987 | Dec 2025 | Natural Gas |
| Clinton Power Station | Constellation Nuclear | Clinton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 8.4 TWh | Oct 1987 | Aug 2026 | Nuclear |
| Archer Daniels Midland Decatur | Archer Daniels Midland Co | Decatur, IL | Midcontinent Independent System Operator, Inc. (MISO) | 922.8 GWh | Mar 1987 | Aug 2026 | Bituminous Coal : 66.5% Subbituminous Coal : 33.3% |
| ExxonMobil Oil Joliet Refinery | ExxonMobil Oil Corp | Channahon, IL | PJM Interconnection, LLC (PJM) | 186.6 GWh | Apr 1986 | Aug 2026 | Other Gas |
| Nalco | Nalco Co | Naperville, IL | PJM Interconnection, LLC (PJM) | 20.9 GWh | Oct 1985 | Dec 2025 | Natural Gas |
| Byron Generating Station | Constellation Nuclear | Byron, IL | PJM Interconnection, LLC (PJM) | 19.7 TWh | Aug 1985 | Aug 2026 | Nuclear |
| LaSalle Generating Station | Constellation Nuclear | Marseilles, IL | PJM Interconnection, LLC (PJM) | 18.5 TWh | Dec 1983 | Aug 2026 | Nuclear |
| Newton | Illinois Power Generating Co | Newton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.3 TWh | Oct 1977 | Aug 2026 | Subbituminous Coal : 99.9% |
| Factory | City of Springfield - (IL) | Springfield, IL | Midcontinent Independent System Operator, Inc. (MISO) | 198.0 MWh | Jul 1973 | Jun 2025 | Distillate Fuel Oil |