O'Fallon Renewable Energy Center
517 T.R. Hughes Blvd., O'Fallon, MO 63366Plant Summary Information
O'Fallon Renewable Energy Center is ranked #36 out of 38 solar farms in Missouri in terms of total annual net electricity generation.
O'Fallon Renewable Energy Center generated 180.0 MWh during the 3-month period between May 2025 to August 2025.
| Plant Name | O'Fallon Renewable Energy Center |
|---|---|
| Utility Name | Union Electric Co - (MO) |
| Location | St. Charles County, MO |
| Initial Operation Date | December 2014 |
| Last Update | Aug 2025 |
| Annual Generation | 1.1 GWh |
| Annual Consumption | 4.7 k MMBtu |
| Ranked #12,091 out of 13,301 Power Plants Nationwide | |
| Ranked #6,802 out of 7,209 Solar Power Plants Nationwide | |
| Ranked #101 out of 127 Missouri Power Plants | |
| Ranked #36 out of 38 Missouri Solar Power Plants | |
| Fuel Types | Solar |
| Previous Operator |
Ameren Missouri (2017 to 2021) Union Electric Co - (MO) (2022 to 2025) |
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Monthly Net Generation for O'Fallon Renewable Energy Center
Monthly Plant Fuel Consumption for O'Fallon Renewable Energy Center
O'Fallon Renewable Energy Center Details
| Summary Information | |
|---|---|
| Plant Name | O'Fallon Renewable Energy Center (61826) |
| Plant Address | 517 T.R. Hughes Blvd., O'Fallon, MO 63366 |
| Utility | Union Electric Co - (MO) (19436) |
| Latitude, Longitude | 38.82665, -90.67812 |
| Generation Dates on File | Jan 2017 to Aug 2025 |
| Initial Operation Date | December 2014 |
| Annual Generation | 1.1 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 | Regulated |
| NERC Region | SERC |
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. (MISO) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Union Electric Co - (MO) (19436) MO |
| Grid Voltage | 34.50 kV |
| Energy Storage | No |
Generator OREC Details Operating December 2014
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | AMMO.UE |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | AMMO.UE |
| Nameplate Capacity | 4.5 MW |
| Summer Capacity | 4.5 MW |
| Winter Capacity | 4.5 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | December 2014 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Solar |
| Multiple Fuels | No |
| Solar Details | |
| Fixed Tilt | Yes |
|---|---|
| Azimuth Angle | 180 |
| Tilt Angle | 20 |
| DC Net Capacity | 5.7 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
O'Fallon Renewable Energy Center Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
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Power plants with a similar annual net generation from Solar.
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|---|---|---|---|
| #6792 | Vineland Headquarters | Vineland, NJ | 1.1 GWh |
| #6793 | Monterey Regional Water Pollution Contro | Marina, CA | 1.1 GWh |
| #6794 | 2097 Helton Solar Project | Merced, CA | 1.1 GWh |
| #6795 | Bd of Educ of Queen Anne's Cnty, Cnty HS | Centreville, MD | 1.1 GWh |
| #6796 | USS Origami Solar | Fulton, IL | 1.1 GWh |
| #6797 | Buffalo NY GigaFactory | Buffalo, NY | 1.1 GWh |
| #6798 | Norton LLC | Norton, MA | 1.1 GWh |
| #6799 | Harmon DC Totowa NJ | Totowa, NJ | 1.1 GWh |
| #6800 | IKEA Memphis 508 | Cordova, TN | 1.1 GWh |
| #6801 | Timber Creek HS | Sicklerville, NJ | 1.1 GWh |
| #6803 | Garden 1 Solar Park | Garden Township, MI | 1.1 GWh |
| #6804 | Meridian Vineyards | Paso Robles, CA | 1.1 GWh |
| #6805 | Kendall DG Solar | Kendall, NY | 1.1 GWh |
| #6806 | Hartz Way | Secaucus, NJ | 1.1 GWh |
| #6807 | Cottonwood Solar, LLC Cottonwood Carport | Novato, CA | 1.1 GWh |
| #6808 | Onondaga County - Metro Water Board | Clay, NY | 1.1 GWh |
| #6809 | MCCo Solar Generating Facility | Cleveland, OH | 1.1 GWh |
| #6810 | CPA Wilmington 1 | Carson, CA | 1.1 GWh |
| #6811 | CVEC Round 4 Brewster Captn Golf Course | Brewster, MA | 1.1 GWh |
| #6812 | Broadway 3 - Tucson Phase I | Tucson, AZ | 1.1 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding O'Fallon Renewable Energy Center.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Anheuser-Busch St Louis | St. Louis, MO | 38.4 GWh | 29.8 mi |
| Blue Bird Solar, LLC | Warrenton, MO | 324.1 GWh | 25.1 mi |
| Edwardsville Solar II | Edwardsville, IL | 4.1 GWh | 36.7 mi |
| Granite City Works | Granite City, IL | 447.9 GWh | 30.9 mi |
| Hickory Solar | Jerseyville, IL | 263.1 GWh | 27 mi |
| IKEA St. Louis 410 | St. Louis, MO | 328.0 MWh | 26.8 mi |
| Labadie | Labadie, MO | 15.2 TWh | 20.2 mi |
| Milam Gas Recovery | East St. Lois, IL | 19.4 GWh | 31.6 mi |
| Millstadt IL 1, LLC | Belleville, IL | 2.3 GWh | 41.7 mi |
| Montgomery County Community Solar Center | New Florence, MO | 6.6 GWh | 40.3 mi |
| Mulberry Solar, LLC | Granite City, IL | 4.0 GWh | 30 mi |
| Renewable Energy Center at BJH | St Louis, MO | 677.0 MWh | 26.2 mi |
| SCS American Bottoms 009885 Sauget, LLC | Sauget, IL | 1.9 GWh | 31.2 mi |
| Sioux | West Alton, MO | 3.6 TWh | 21.7 mi |
| Southwestern Bell Telephone | St. Louis, MO | 51.0 MWh | 29.5 mi |
| Split Rail Solar Energy LLC | Warrenton, MO | 239.0 GWh | 29 mi |
| St. Clair Solar 3 | Washington Park, IL | 3.5 GWh | 34.8 mi |
| Trigen St. Louis | St Louis, MO | 15.3 GWh | 29.9 mi |
| Venice | Venice, IL | 18.3 GWh | 29.3 mi |
| Winfield Solar | Winfield, MO | 286.8 GWh | 16.4 mi |