Prairie State Solar Project
Aster Road, Swanwick Township, IL 62237Plant Summary Information
Prairie State Solar Project is ranked #12 out of 203 solar farms in Illinois in terms of total annual net electricity generation.
Prairie State Solar Project generated 38.1 GWh during the 3-month period between November 2025 to February 2026.
| Plant Name | Prairie State Solar Project |
|---|---|
| Utility Name | Prairie State Solar, LLC |
| Location | Perry County, IL |
| Initial Operation Date | July 2021 |
| Last Update | Feb 2026 |
| Annual Generation | 224.6 GWh |
| Annual Consumption | 805.3 k MMBtu |
| Ranked #2,359 out of 12,637 Power Plants Nationwide | |
| Ranked #377 out of 6,487 Solar Power Plants Nationwide | |
| Ranked #85 out of 373 Illinois Power Plants | |
| Ranked #12 out of 203 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 Feb 2026 |
| Initial Operation Date | July 2021 |
| Annual Generation | 224.6 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 |
|---|---|---|---|
| #367 | SR Lumpkin | Lumpkin, GA | 230.9 GWh |
| #368 | Sandrini Solar 100 | Mettler, CA | 230.2 GWh |
| #369 | Desert Harvest, LLC | Desert Center, CA | 230.8 GWh |
| #370 | SR Arlington II | Blakely, GA | 229.7 GWh |
| #371 | Assembly Solar II LLC | Lennon, MI | 229.0 GWh |
| #372 | Carvers Creek Solar | Gloucester, VA | 228.7 GWh |
| #373 | Bartonsville Energy Facility, LLC | Stephens, VA | 228.7 GWh |
| #374 | Diver Solar, LLC | Thornton, TX | 228.4 GWh |
| #375 | BPL Files Solar | Itasca, TX | 226.7 GWh |
| #376 | Bayou Galion Solar Project | Mer Rouge, LA | 224.8 GWh |
| #378 | Three Peaks Power | Cedar City, UT | 224.5 GWh |
| #379 | Comanche Solar | Pueblo, CO | 223.8 GWh |
| #380 | Sauk Solar Park | Union City, MI | 222.7 GWh |
| #381 | Techren Solar I LLC | Boulder, NV | 222.6 GWh |
| #382 | Albemarle Beach Solar | Roper, NC | 222.6 GWh |
| #383 | Ivanpah 3 | Nipton, CA | 231.3 GWh |
| #384 | SR Clay, LLC | Fort Gaines, GA | 221.4 GWh |
| #385 | Butler Solar Project 103 | Butler, GA | 221.3 GWh |
| #386 | Enterprise Solar, LLC | Newcastle, UT | 221.3 GWh |
| #387 | Alamo 6 | Fort Stockton, TX | 220.8 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 | 6.1 TWh | 14.9 mi |
| Baldwin Solar BESS | Baldwin, IL | 141.8 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 | 102.6 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 | 12.3 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 | 62.6 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 |