Prairie State Solar Project
Aster Road, Swanwick Township, IL 62237Plant Summary Information
Prairie State Solar Project is ranked #12 out of 201 solar farms in Illinois in terms of total annual net electricity generation.
Prairie State Solar Project generated 30.8 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Prairie State Solar Project |
|---|---|
| Utility Name | Prairie State Solar, LLC |
| Location | Perry County, IL |
| Initial Operation Date | July 2021 |
| Last Update | Dec 2025 |
| Annual Generation | 220.4 GWh |
| Annual Consumption | 780.3 k MMBtu |
| Ranked #2,361 out of 12,613 Power Plants Nationwide | |
| Ranked #380 out of 6,463 Solar Power Plants Nationwide | |
| Ranked #84 out of 371 Illinois Power Plants | |
| Ranked #12 out of 201 Illinois Solar Power Plants | |
| Fuel Types | Solar |
| Previous Operator |
Prairie State Power, LLC (2018 to 2018) Prairie State Solar, LLC (2019 to 2024) |
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Monthly Net Generation for Prairie State Solar Project
Monthly Plant Fuel Consumption for Prairie State Solar Project
Prairie State Solar Project Details
| Summary Information | |
|---|---|
| Plant Name | Prairie State Solar Project (62420) |
| Plant Address | Aster Road, Swanwick Township, IL 62237 |
| Utility | Prairie State Solar, LLC (61946) |
| Latitude, Longitude | 38.20833, -89.57917 |
| Generation Dates on File | Jul 2021 to Dec 2025 |
| Initial Operation Date | July 2021 |
| Annual Generation | 220.4 GWh |
| Fuel Types | Solar |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | SERC |
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. (MISO) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | |
| Transmission / Distribution Owner | Ameren Illinois Company (56697) IL |
| Grid Voltage | 138.00 kV |
| Energy Storage | No |
Generator PSS01 Details Operating July 2021
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| Nameplate Capacity | 99 MW |
| Summer Capacity | 99 MW |
| Winter Capacity | 99 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | July 2021 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Multiple Fuels | No |
| Solar Details | |
| Single Axis Tracking | Yes |
|---|---|
| Azimuth Angle | 90 |
| DC Net Capacity | 132.3 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Prairie State Solar Project Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Solar.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #370 | Assembly Solar II LLC | Lennon, MI | 225.9 GWh |
| #371 | Three Peaks Power | Cedar City, UT | 225.8 GWh |
| #372 | BPL Files Solar | Itasca, TX | 224.7 GWh |
| #373 | Butler Solar Project 103 | Butler, GA | 224.1 GWh |
| #374 | Techren Solar I LLC | Boulder, NV | 224.1 GWh |
| #375 | Carvers Creek Solar | Gloucester, VA | 224.0 GWh |
| #376 | Lamesa Solar | Lamesa, TX | 223.3 GWh |
| #377 | Bartonsville Energy Facility, LLC | Stephens, VA | 222.6 GWh |
| #378 | Lapetus | Andrews, TX | 221.1 GWh |
| #379 | Fish Springs | Reno, NV | 217.5 GWh |
| #381 | SR Clay, LLC | Fort Gaines, GA | 219.9 GWh |
| #382 | Powell Creek Solar | Miller City, OH | 219.8 GWh |
| #383 | Briar Creek Solar 1 | Corsicana, TX | 219.5 GWh |
| #384 | East Pecos Solar | McCamey, TX | 219.4 GWh |
| #385 | Enterprise Solar, LLC | Newcastle, UT | 219.3 GWh |
| #386 | Ross County Solar, LLC | Greenfield, OH | 218.6 GWh |
| #387 | Henrietta Solar Project | Lemoore, CA | 218.0 GWh |
| #388 | Calhoun County Solar Project | Sheridan Township, MI | 217.4 GWh |
| #389 | Chicot Solar | Lake Village, AR | 214.9 GWh |
| #390 | Happy Solar 1 | Searcy, AR | 214.6 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Prairie State Solar Project.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| AES Belleville Solar LLC | Belleville, IL | 12.9 GWh | 30.4 mi |
| Baldwin Energy Complex | Baldwin, IL | 6.5 TWh | 14.9 mi |
| Baldwin Solar BESS | Baldwin, IL | 139.6 GWh | 14.9 mi |
| Breese | Breese, IL | 263.0 MWh | 27.7 mi |
| Carlyle | Carlyle, IL | 231.0 MWh | 30.3 mi |
| Clinton Solar 2b | Centralia, IL | 81.0 MWh | 31.1 mi |
| Clinton Solar 4 LLC CSG | Carlyle, IL | 3.5 GWh | 31.4 mi |
| Freeburg | Freeburg, IL | 122.0 MWh | 23.6 mi |
| Highland | Highland, IL | 187.0 MWh | 37.3 mi |
| Kimmel Road Solar, LLC | Du Quoin, IL | 101.8 GWh | 22.7 mi |
| Marion Solar 4b LLC | Sandoval, IL | 970.0 MWh | 38.2 mi |
| Pinckneyville | Pinckneyville, IL | 79.8 GWh | 14.3 mi |
| Prairie State Generating Station | Marissa, IL | 12.2 TWh | 6.8 mi |
| Red Bud | Red Bud, IL | 121.0 MWh | 22.8 mi |
| Rush Island | Festus, MO | 603.1 GWh | 37.5 mi |
| Sandoval | Centralia, IL | 3.6 GWh | 35.2 mi |
| Tilden Solar | IL | 25.9 GWh | 5.8 mi |
| Trenton East | Trenton, IL | 1.7 GWh | 26.5 mi |
| Trenton West | Trenton, IL | 2.2 GWh | 26.7 mi |
| Waterloo | Waterloo, IL | 491.0 MWh | 32.6 mi |