Directory of Power Plants in Illinois
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Triton East and West Cogen | Triton College | River Grove, IL | PJM Interconnection, LLC (PJM) | 1.6 GWh | Mar 1998 | Aug 2026 | Natural Gas |
| Cass County Renewable Energy Center | Union Electric Co - (MO) | Beardstown, IL | Midcontinent Independent System Operator, Inc. (MISO) | 302.5 GWh | Nov 2024 | Aug 2026 | Solar |
| Boomtown Renewable Energy Center | Union Electric Co - (MO) | Carmi, IL | Midcontinent Independent System Operator, Inc. (MISO) | 295.7 GWh | Nov 2024 | Aug 2026 | Solar |
| Kinmundy | Union Electric Co - (MO) | Patoka, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 GWh | Mar 2001 | Nov 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 |
| Pinckneyville | Union Electric Co - (MO) | Pinckneyville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 66.8 GWh | May 2000 | Nov 2025 | Natural Gas |
| USS University Park Solar | United States Solar Corporation | University Park, IL | Midcontinent Independent System Operator, Inc. (MISO) | 2.7 GWh | Apr 2025 | Dec 2025 | Solar |
| 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% |
| 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% |
| 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% |
| University Park South | University Park Energy LLC | University Park, IL | PJM Interconnection, LLC (PJM) | 151.4 GWh | May 2001 | Dec 2025 | Natural Gas |
| USS Cattail Solar | USS Cattail Solar LLC | Fulton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 GWh | Jul 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 |
| USS Origami Solar | USS Origami Solar LLC | Fulton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 GWh | Sep 2025 | Dec 2025 | Solar |
| Vermilion Solar 1, LLC CSG | Vermilion Solar 1, LLC | Danville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 GWh | Nov 2020 | Dec 2025 | Solar |
| Viking Solar CSG | Viking Solar, LLC | Palmyra, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 GWh | May 2021 | 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 |
| Rantoul | Village of Rantoul - (IL) | Rantoul, IL | Midcontinent Independent System Operator, Inc. (MISO) | 313.0 MWh | Dec 1950 | Aug 2026 | Distillate Fuel Oil |
| 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% |
| Newton Solar BESS LLC | Vistra Corp | Newton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 71.5 GWh | - | Aug 2026 | Solar |
| Baldwin Solar BESS | Vistra Corp | Baldwin, IL | Midcontinent Independent System Operator, Inc. (MISO) | 146.8 GWh | Nov 2024 | Aug 2026 | Solar |
| Coffeen Solar BESS | Vistra Corp | Coffeen, IL | Midcontinent Independent System Operator, Inc. (MISO) | 94.0 GWh | Nov 2024 | Aug 2026 | Solar |
| Vulcan | Vulcan Solar, LLC | Kankakee, IL | PJM Interconnection, LLC (PJM) | 3.0 GWh | Apr 2021 | Dec 2025 | Solar |
| Clinton LFGTE | Wabash Valley Power Assn, Inc | Clinton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 16.0 GWh | Jan 2006 | Aug 2026 | Landfill Gas |
| Charter Dura-Bar | Wells Manufacturing Co | Woodstock, IL | PJM Interconnection, LLC (PJM) | 7.9 GWh | Mar 1992 | Aug 2026 | Natural Gas |
| White Oak Energy LLC | White Oak Energy LLC | Carlock, IL | Midcontinent Independent System Operator, Inc. (MISO) | 399.9 GWh | May 2011 | Dec 2025 | Wind |
| Whiteside Solar 1 CSG | Whiteside Solar 1, LLC | Fulton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.8 GWh | Nov 2020 | Dec 2025 | Solar |
| Whitney Hill Wind Power LLC | Whitney Hill Wind Power LLC | Mt.Pulaski, IL | PJM Interconnection, LLC (PJM) | 145.1 GWh | Feb 2020 | 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 |
| 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 |
| 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 |
| Greene Valley Gas Recovery | WM Illinois Renewable Energy LLC | Naperville, IL | PJM Interconnection, LLC (PJM) | 22.4 GWh | Apr 1996 | 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 |
| Lake Gas Recovery | WM Illinois Renewable Energy LLC | Northbrook, IL | PJM Interconnection, LLC (PJM) | 10.8 GWh | Jul 1993 | 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 |
| Settlers Hill Gas Recovery | WM Illinois Renewable Energy LLC | Batavia, IL | PJM Interconnection, LLC (PJM) | 22.2 GWh | Sep 1988 | 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 |
| Wolf Run Solar | Wolf Run Solar LLC | Chapin, IL | Midcontinent Independent System Operator, Inc. (MISO) | 305.7 GWh | Oct 2024 | Aug 2026 | Solar |
| Wolfcastle | Wolfcastle Solar, LLC | Dekalb, IL | PJM Interconnection, LLC (PJM) | 3.5 GWh | Sep 2021 | Dec 2025 | Solar |
| Woodlawn II (CSG) | Woodlawn Solar II, LLC | Crete, IL | PJM Interconnection, LLC (PJM) | 4.2 GWh | Nov 2021 | Dec 2025 | Solar |
| Woodlawn CSG | Woodlawn Solar, LLC | Crete, IL | PJM Interconnection, LLC (PJM) | 4.7 GWh | May 2021 | Dec 2025 | Solar |
| 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% |