Directory of Power Plants in Illinois
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| South Belleville Solar, LLC | Dimension Energy LLC | Smithton Township, IL | Midcontinent Independent System Operator, Inc. (MISO) | 385.0 MWh | Oct 2025 | Dec 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 |
| Square Barn Solar | Forefront Power, LLC | Algonquin, IL | PJM Interconnection, LLC (PJM) | 2.3 GWh | Jul 2020 | Dec 2024 | Solar |
| St. Clair Solar 3 | Pivot Energy | Washington Park, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.5 GWh | May 2024 | Dec 2025 | Solar |
| St. Clair Solar 5 | Pivot Energy | Lebanon, IL | Midcontinent Independent System Operator, Inc. (MISO) | 1.5 GWh | Jun 2025 | Dec 2025 | Solar |
| State Farm | State Farm Insurance | Bloomington, IL | Midcontinent Independent System Operator, Inc. (MISO) | 30.0 MWh | Sep 1996 | May 2026 | Distillate Fuel Oil |
| Streator Cayuga Ridge South | Avangrid Power LLC | Odell, IL | PJM Interconnection, LLC (PJM) | 660.2 GWh | Feb 2010 | May 2026 | Wind |
| Sugar Creek Wind One LLC | Sugar Creek Wind One LLC | TBD, IL | Midcontinent Independent System Operator, Inc. (MISO) | 565.7 GWh | Oct 2020 | May 2026 | Wind |
| Sullivan B Community Solar LLC | Sullivan B Community Solar LLC | Macomb, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.9 GWh | Nov 2020 | 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 |
| SV CSG Baileyville 1 LLC | SV CSG Baileyville 1 LLC | Baileyville, IL | PJM Interconnection, LLC (PJM) | 4.5 GWh | Aug 2023 | Dec 2025 | Solar |
| SV CSG Baileyville 2 LLC | SV CSG Baileyville 2 LLC | Baileyville, IL | PJM Interconnection, LLC (PJM) | 4.4 GWh | Aug 2023 | Dec 2025 | Solar |
| SV CSG Barrass Farms II LL | SV CSG Barrass Farms II LLC | Marion, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.7 GWh | Aug 2023 | 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 |
| 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 |
| SV CSG German Valley 1 LLC | SunVest Solar LLC | German Valley, IL | PJM Interconnection, LLC (PJM) | 2.3 GWh | May 2025 | Dec 2025 | Solar |
| SV CSG Lily Lake 2 LLC | SV CSG Lily Lake 2 LLC | Maple Park, IL | PJM Interconnection, LLC (PJM) | 1.5 GWh | Nov 2020 | Dec 2025 | Solar |
| SV CSG Plato Solar 1 LLC | SunVest Solar LLC | Elgin, IL | PJM Interconnection, LLC (PJM) | 2.5 GWh | Jul 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 |
| SV CSG South Dekalb 1 LLC | SV CSG South Dekalb 1 LLC | Dekalb, IL | PJM Interconnection, LLC (PJM) | 4.6 GWh | Sep 2023 | Dec 2025 | Solar |
| SV CSG South Dekalb 2 LLC | SV CSG South Dekalb 2 LLC | Dekalb, IL | PJM Interconnection, LLC (PJM) | 4.7 GWh | Sep 2023 | Dec 2025 | Solar |
| SV CSG Wagner A LLC | SunVest Solar LLC | Sparta, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.7 GWh | Nov 2024 | Dec 2025 | Solar |
| SV CSG Wagner B LLC | SunVest Solar LLC | Baldwin, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.7 GWh | Nov 2024 | Dec 2025 | Solar |
| SV Gardner 1 (Lutz) CSG | SV CSG Gardner 1 LLC | Gardner, IL | PJM Interconnection, LLC (PJM) | 4.2 GWh | Oct 2021 | 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% |
| Tazewell County IL S1 | SolAmerica Energy, LLC | Delavan, IL | Midcontinent Independent System Operator, Inc. (MISO) | 386.0 MWh | Sep 2025 | Dec 2025 | Solar |
| 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 |
| The GSI Group LLC at Assumption | Luminace Solar Illinois 2, LLC | Assumption, IL | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 GWh | Dec 2020 | Dec 2025 | Solar |
| Tilden Solar | Sol Systems | Coulterville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 153.1 GWh | Oct 2025 | May 2026 | Solar |
| Tilton | Tilton Energy LLC | Tilton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 53.8 GWh | May 1999 | Dec 2025 | Natural Gas |
| Top Hat Wind | Appalachian Power Co | Beason, IL | PJM Interconnection, LLC (PJM) | 215.5 GWh | Nov 2025 | Feb 2026 | Wind |
| Torrence Ave Solar 1 LLC | Reactivate | Chicago Heights, IL | PJM Interconnection, LLC (PJM) | 4.6 GWh | Oct 2024 | Dec 2025 | Solar |
| Towanda | Dimension Energy LLC | Shirley, IL | Midcontinent Independent System Operator, Inc. (MISO) | 7.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Tower Road Solar, LLC CSG | Tower Road Solar, LLC | Lee, IL | PJM Interconnection, LLC (PJM) | 4.5 GWh | Mar 2021 | Dec 2025 | Solar |
| Toyota Boshoku | Onyx Asset Services Group | Lawrenceville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.7 GWh | Apr 2025 | Dec 2025 | Solar |
| Trenton East | Generate Capital | Trenton, IL | PJM Interconnection, LLC (PJM) | 3.7 GWh | May 2024 | Dec 2025 | Solar |
| Trenton West | Generate Capital | Trenton, IL | PJM Interconnection, LLC (PJM) | 2.6 GWh | May 2024 | Dec 2025 | Solar |
| Trinity Freeport | Generate Capital | Freeport, IL | PJM Interconnection, LLC (PJM) | 4.3 GWh | Jul 2024 | 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 |
| Triton East and West Cogen | Triton College | River Grove, IL | PJM Interconnection, LLC (PJM) | 910.0 MWh | Mar 1998 | May 2026 | Natural Gas |
| Tully 1 | Greenbacker Renewable Energy Corporation | Morris, IL | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Jun 2025 | Dec 2025 | Solar |
| Unity Solar Project (IL) | SoCore Energy LLC | Lena, IL | PJM Interconnection, LLC (PJM) | 3.9 GWh | Nov 2024 | Dec 2025 | Solar |
| 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 of Illinois Cogen Facility | University of Illinois | Chicago, IL | PJM Interconnection, LLC (PJM) | 115.0 GWh | Mar 1993 | May 2026 | Natural Gas : 99.9% |
| University Park North | LSP University Park LLC | University Park, IL | PJM Interconnection, LLC (PJM) | 123.7 GWh | May 2002 | Dec 2024 | 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 |
| Upper Sterling | City of Rock Falls - (IL) | Rock Falls, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | May 1988 | May 2025 | Water |
| USS Cattail Solar | USS Cattail Solar LLC | Fulton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 GWh | Jul 2025 | Dec 2025 | Solar |
| USS Goodrich Solar | Standard Solar | Bonfield, IL | PJM Interconnection, LLC (PJM) | 4.0 GWh | Jul 2022 | Dec 2025 | Solar |
| USS Lowe Solar | SRC Partnership 15 LLC | Kankakee, IL | PJM Interconnection, LLC (PJM) | 4.2 GWh | Jul 2024 | 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 |
| USS Solar Brick | Standard Solar | Standard City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.5 GWh | May 2021 | Dec 2025 | Solar |
| USS Sycamore Solar (CSG) | Standard Solar | Sycamore, IL | PJM Interconnection, LLC (PJM) | 4.2 GWh | Apr 2022 | Dec 2025 | Solar |
| 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 |
| USS Vermilion Solar 1 LLC (Vermilion 1) | SRC Partnership 15 LLC | Fithian, IL | PJM Interconnection, LLC (PJM) | 3.5 GWh | Nov 2024 | Dec 2025 | Solar |
| USS Vermilion Solar 1 LLC (Vermilion 2) | SRC Partnership 15 LLC | Fithian, IL | PJM Interconnection, LLC (PJM) | 4.1 GWh | Nov 2024 | Dec 2025 | Solar |
| Venice | Union Electric Co - (MO) | Venice, IL | Midcontinent Independent System Operator, Inc. (MISO) | 18.3 GWh | May 2002 | Dec 2025 | Natural Gas |
| 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 |
| Vermilion Solar I LLC CSG | AES Clean Energy | Pontiac, IL | PJM Interconnection, LLC (PJM) | 200.0 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 |
| Viking Solar CSG | Viking Solar, LLC | Palmyra, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.5 GWh | May 2021 | Dec 2025 | Solar |
| Vulcan | Vulcan Solar, LLC | Kankakee, IL | PJM Interconnection, LLC (PJM) | 3.0 GWh | Apr 2021 | Dec 2025 | Solar |
| Walldog | SunStrong Management, LLC | Pontiac, IL | PJM Interconnection, LLC (PJM) | 210.0 MWh | Oct 2024 | Dec 2024 | Solar |
| Walnut Ridge Wind Farm | BHE Renewables, LLC | Sheffield, IL | PJM Interconnection, LLC (PJM) | 772.2 GWh | Nov 2018 | May 2026 | Wind |
| Water Lily Solar LLC | Dimension Energy LLC | Minooka, IL | PJM Interconnection, LLC (PJM) | 388.0 MWh | Sep 2025 | Dec 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% |
| Whiskey Acres | Solar DG IL 4, LLC | Dekalb, IL | PJM Interconnection, LLC (PJM) | 4.0 GWh | Apr 2024 | Dec 2025 | Solar |
| 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) | 143.1 GWh | Feb 2020 | May 2026 | Wind |
| 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% |
| Wolf Run Solar | Wolf Run Solar LLC | Chapin, IL | Midcontinent Independent System Operator, Inc. (MISO) | 305.3 GWh | Oct 2024 | May 2026 | Solar |
| Wolfcastle | Wolfcastle Solar, LLC | Dekalb, IL | PJM Interconnection, LLC (PJM) | 4.1 GWh | Sep 2021 | Dec 2025 | Solar |
| 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 |
| Woodlawn CSG | Woodlawn Solar, LLC | Crete, IL | PJM Interconnection, LLC (PJM) | 4.7 GWh | May 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 |
| Yorktown 1 Solar | SoCore Energy LLC | Lyndon, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 GWh | Dec 2023 | Dec 2025 | Solar |
| Yorktown 2 Solar | SoCore Energy LLC | Lyndon, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.2 GWh | Dec 2023 | 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% |
| 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 |
| 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 |
| 2662 Freeport Solar 1 CSG | 2662 Freeport Solar 1, LLC | Freeport, IL | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 GWh | Nov 2020 | Dec 2025 | Solar |
| 9521 US 14 SOLAR 1, LLC | Generate Capital | Harvard, IL | PJM Interconnection, LLC (PJM) | 3.6 GWh | Nov 2024 | Dec 2025 | Solar |