Directory of Power Plants in Illinois
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| S-Pulaski Solar | SoCore Energy LLC | Chicago, IL | PJM Interconnection, LLC (PJM) | 3.6 GWh | Jan 2024 | Dec 2025 | Solar |
| Salt Creek Township Solar, LLC | Birch Creek Power, LLC | Mason City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 109.8 GWh | Dec 2024 | May 2026 | Solar |
| Sand Prairie Solar | DG Sand Prairie, LLC | Green Valley, IL | PJM Interconnection, LLC (PJM) | 3.2 GWh | Apr 2024 | Dec 2025 | Solar |
| Sandoval | Sandoval Holdco, LLC | Centralia, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 GWh | Feb 2021 | Dec 2025 | Solar |
| Sapphire Sky Wind Energy LLC | Invenergy Services LLC | Farmer City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 957.3 GWh | Nov 2021 | May 2026 | Wind |
| Schmidt CSG 1 | SunVest Solar LLC | Belleville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.2 GWh | Nov 2024 | Dec 2025 | Solar |
| Schulte 2 Community Solar | Schulte 2 Community Solar | Lacon, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 GWh | Nov 2020 | Dec 2025 | Solar |
| SCS American Bottoms 009885 Sauget, LLC | Arevon Energy, Inc. | Sauget, IL | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Jul 2020 | Dec 2025 | Solar |
| SCS Beltway 011754 Rock Falls, LLC | Arevon Energy, Inc. | Rock Falls, IL | PJM Interconnection, LLC (PJM) | 1.8 GWh | Aug 2020 | Dec 2025 | Solar |
| SCS COUNTY 012631 Champaign, LLC | Arevon Energy, Inc. | Champaign, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.5 GWh | Aug 2021 | Dec 2025 | Solar |
| SCS Galena 012589 Peoria, LLC | Arevon Energy, Inc. | Peoria, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.7 GWh | Nov 2021 | Dec 2025 | Solar |
| SCS Plainfield 011755 Naperville, LLC | Arevon Energy, Inc. | Naperville, IL | PJM Interconnection, LLC (PJM) | 1.7 GWh | Jan 2021 | Dec 2025 | Solar |
| SCS West Fairchild 011958 Danville, LLC | Arevon Energy, Inc. | Danville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 2.7 GWh | Jun 2021 | Dec 2025 | Solar |
| Segunda II (CSG) | Segunda Solar II, LLC | Streator, IL | PJM Interconnection, LLC (PJM) | 4.8 GWh | Oct 2021 | Dec 2025 | Solar |
| Settlers Hill Gas Recovery | WM Illinois Renewable Energy LLC | Batavia, IL | PJM Interconnection, LLC (PJM) | 22.2 GWh | Sep 1988 | Dec 2025 | Landfill Gas |
| Settlers Trail Wind Farm LLC | RWE Clean Energy | Sheldon, IL | Midcontinent Independent System Operator, Inc. (MISO) | 320.4 GWh | Sep 2011 | Dec 2025 | Wind |
| Shady Oaks Wind 2 | Shady Oaks Wind 2, LLC | Compton, IL | PJM Interconnection, LLC (PJM) | 300.2 GWh | Sep 2023 | May 2026 | Wind |
| Shady Oaks Wind Farm | Algonquin Power Co | Compton, IL | PJM Interconnection, LLC (PJM) | 302.3 GWh | Apr 2012 | Dec 2025 | Wind |
| 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 |
| SIUC | Southern Illinois University Carbondale | Carbondale, IL | Midcontinent Independent System Operator, Inc. (MISO) | 8.9 GWh | May 1998 | May 2026 | Bituminous Coal |
| Slidematic at Rockford | Luminace Solar Illinois 2, LLC | Rockford, IL | PJM Interconnection, LLC (PJM) | 3.3 GWh | Feb 2022 | Dec 2025 | Solar |
| Solar Star Urbana Landfill Central | Solar Star Urbana Landfill Central, LLC | Urbana, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 GWh | Oct 2021 | Dec 2025 | Solar |
| Solar Star Urbana Landfill East | Solar Star Urbana Landfill East, LLC | Urbana, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.6 GWh | Sep 2021 | Dec 2025 | Solar |
| Somonauk Road Solar 1 | Somonauk Road Solar 1, LLC | Somonauk, IL | PJM Interconnection, LLC (PJM) | 3.9 GWh | Feb 2021 | Dec 2025 | Solar |
| 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 |