Galesburg Solar Array
1965 State Hwy 164, Oquawka, IL 61469Plant Summary Information
Galesburg Solar Array is ranked #243 out of 366 solar farms in Illinois in terms of total annual net electricity generation.
Galesburg Solar Array generated 431.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Galesburg Solar Array |
|---|---|
| Utility Name | Onsite Partners, LLC |
| Location | Henderson County, IL |
| Initial Operation Date | March 2020 |
| Last Update | Dec 2025 |
| Annual Generation | 2.9 GWh |
| Annual Consumption | 10.3 k MMBtu |
| Ranked #10,028 out of 13,285 Power Plants Nationwide | |
| Ranked #5,019 out of 7,198 Solar Power Plants Nationwide | |
| Ranked #380 out of 542 Illinois Power Plants | |
| Ranked #243 out of 366 Illinois Solar Power Plants | |
| Fuel Types | Solar |
| Previous Operators |
AEP Onsite Partners (2019 to 2019) AEP Onsite Partners, LLC (2020 to 2024) Onsite Partners, LLC (2025 to 2025) |
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Monthly Net Generation for Galesburg Solar Array
Monthly Plant Fuel Consumption for Galesburg Solar Array
Galesburg Solar Array Details
| Summary Information | |
|---|---|
| Plant Name | Galesburg Solar Array (63399) |
| Plant Address | 1965 State Hwy 164, Oquawka, IL 61469 |
| Utility | Onsite Partners, LLC (60571) |
| Latitude, Longitude | 40.9199, -90.9484 |
| Generation Dates on File | Mar 2020 to Dec 2025 |
| Initial Operation Date | March 2020 |
| Annual Generation | 2.9 GWh |
| Fuel Types | Solar |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | Yes |
| FERC Small Power Producer Docket Number | 20-317-000 |
| 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 | No |
| Transmission / Distribution Owner | Ameren Illinois Company (56697) IL |
| Grid Voltage | 12.47 kV |
| Energy Storage | No |
Generator GWA01 Details Operating March 2020
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| Nameplate Capacity | 1.4 MW |
| Summer Capacity | 1.4 MW |
| Winter Capacity | 1.4 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | March 2020 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Other Combustion Technology | No |
| Solar Details | |
| Single Axis Tracking | Yes |
|---|---|
| Azimuth Angle | 52 |
| Tilt Angle | -52 |
| DC Net Capacity | 1.9 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Galesburg Solar Array 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 |
|---|---|---|---|
| #5009 | Wappinger 9D Solar | Wappinger, NY | 2.9 GWh |
| #5010 | Medford DPC Solar | Medford, WI | 2.9 GWh |
| #5011 | USAA Black Bear Energy | Cranbury, NJ | 2.9 GWh |
| #5012 | 2662 Freeport Solar 1 CSG | Freeport, IL | 2.9 GWh |
| #5013 | Watertown Solar One, LLC | Watertown, CT | 2.9 GWh |
| #5014 | SCS Penfield One 010750 Penfield, LLC | Penfield, NY | 2.9 GWh |
| #5015 | Cashton Solar | Cashton, WI | 2.9 GWh |
| #5016 | Gold Mine | Bradley, SC | 2.9 GWh |
| #5017 | DG Tufts Knoll LLC CSG | North Grafton, MA | 2.9 GWh |
| #5018 | Freeman Avenue | Andersonville, GA | 2.9 GWh |
| #5020 | VS RXI Mason-Chatsworth, LLC | Chatsworth, CA | 2.9 GWh |
| #5021 | Harris (NY) | Liberty, NY | 2.9 GWh |
| #5022 | CES Sterling LLC | Sterling, MA | 2.9 GWh |
| #5023 | Kearsarge GB | Great Barrington, MA | 2.9 GWh |
| #5024 | Chambers 4 - San Bernardino SNA7 | San Bernardino, CA | 2.9 GWh |
| #5025 | ESA Four Oaks 2 NC LLC | Four Oaks, NC | 2.9 GWh |
| #5026 | MO33 CSG | Gaithersburg, MD | 2.9 GWh |
| #5027 | BBARWA | Big Bear, CA | 2.9 GWh |
| #5028 | O'Shea Solar Farm | Detroit, MI | 2.9 GWh |
| #5029 | Clinton Solar 4 LLC CSG | Carlyle, IL | 2.9 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Galesburg Solar Array.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Bishop Hill III | Cambridge, IL | 429.7 GWh | 40.4 mi |
| Burlington (IA) | Burlington, IA | 35.0 GWh | 15.2 mi |
| Bushnell | Bushnell, IL | 78.0 MWh | 34.3 mi |
| Cardinal Point Wind | Sciota, IL | 525.2 GWh | 25.1 mi |
| Davenport Water Pollution Control Plant | Davenport, IA | 6.4 GWh | 43 mi |
| Earp Solar, LLC | Monmouth, IL | 77.9 GWh | 14.7 mi |
| Goldenrod (IL) | Viola, IL | 6.4 GWh | 27.5 mi |
| Illinois PV Knox 3A | Galesburg, IL | 3.3 GWh | 28.6 mi |
| Illinois PV Knox 3B | Galesburg, IL | 3.0 GWh | 28.6 mi |
| Keokuk | Keokuk, IA | 961.8 GWh | 42.4 mi |
| Louisa | Muscatine, IA | 4.3 TWh | 28.5 mi |
| Macomb 2A | Macomb, IL | 4.2 GWh | 35 mi |
| McDonough Solar 1, LLC CSG | Blandinsville, IL | 3.9 GWh | 25.7 mi |
| Mt Pleasant | Mt Pleasant, IA | 802.0 MWh | 31.7 mi |
| Muscatine Plant #1 | Muscatine, IA | 711.5 GWh | 33.1 mi |
| NLMU Wind | New London, IA | 5.0 GWh | 23.4 mi |
| Pope Creek Solar PV | Aledo, IL | 9.5 GWh | 22.6 mi |
| Sullivan B Community Solar LLC | Macomb, IL | 3.9 GWh | 35 mi |
| Wapello Solar LLC | Wapello, IA | 202.9 GWh | 20.1 mi |
| Wever Solar (150MW) | Wever, IA | 287.8 GWh | 21.4 mi |