Posey Solar
10501 Lower Mt. Vernon Road, Mount Vernon, IN 47620Plant Summary Information
Posey Solar is ranked #42 out of 220 power plants in Indiana in terms of total annual net electricity generation.
Posey Solar generated 138.9 GWh during the 3-month period between May 2026 to August 2026.
| Plant Name | Posey Solar |
|---|---|
| Utility Name | Southern Indiana Gas & Elec Co |
| Location | Posey County, IN |
| Initial Operation Date | May 2025 |
| Last Update | Aug 2026 |
| Annual Generation | 403.5 GWh |
| Annual Consumption | 1.5 M MMBtu |
| Ranked #1,656 out of 13,301 Power Plants Nationwide | |
| Ranked #209 out of 7,209 Solar Power Plants Nationwide | |
| Ranked #42 out of 220 Indiana Power Plants | |
| Ranked #4 out of 126 Indiana Solar Power Plants | |
| Fuel Types | Solar |
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Monthly Net Generation for Posey Solar
Monthly Plant Fuel Consumption for Posey Solar
Posey Solar Details
| Summary Information | |
|---|---|
| Plant Name | Posey Solar (66780) |
| Plant Address | 10501 Lower Mt. Vernon Road, Mount Vernon, IN 47620 |
| Utility | Southern Indiana Gas & Elec Co (17633) |
| Latitude, Longitude | 37.92667, -87.72889 |
| Generation Dates on File | May 2025 to Aug 2026 |
| Initial Operation Date | May 2025 |
| Annual Generation | 403.5 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 | RFC |
| 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 | Southern Indiana Gas & Elec Co (17633) IN |
| Grid Voltage | 345.00 kV |
| Energy Storage | No |
Generator 1 Details Operating May 2025
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | SIGE.POSYSLR1 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | SIGE.POSYSLR1 |
| Nameplate Capacity | 190.8 MW |
| Nameplate Power Factor | 0.95 |
| Summer Capacity | 190.8 MW |
| Winter Capacity | 190.8 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | May 2025 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Solar |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
| Solar Details | |
| Single Axis Tracking | Yes |
|---|---|
| Azimuth Angle | 180 |
| DC Net Capacity | 228 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Posey Solar 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.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #199 | Golden Triangle | Lowndes, MS | 409.8 GWh |
| #200 | Chaparral Springs | Rosamond, CA | 398.1 GWh |
| #201 | Misae Solar | Childress, TX | 412.8 GWh |
| #202 | Dry Lake Solar Energy Center | Moapa, NV | 396.1 GWh |
| #203 | Northern Orchard Solar PV, LLC | Taft, CA | 404.3 GWh |
| #204 | Big Cypress Solar, LLC | Crawfordsville, AR | 409.2 GWh |
| #205 | Azalea Springs Solar Park | Lufkin, TX | 408.3 GWh |
| #206 | Hickory Park Solar Hybrid | Camilla, GA | 400.6 GWh |
| #207 | Millers Branch Solar | Haskell, TX | 404.8 GWh |
| #208 | New Madrid Solar, LLC | Marston, MO | 404.1 GWh |
| #210 | Black Hollow Sun | Auit, CO | 403.1 GWh |
| #211 | Oriana Solar LLC | Victoria, TX | 402.5 GWh |
| #212 | Wright Solar Park | Los Banos, CA | 402.4 GWh |
| #213 | Ridgely Energy Farm | Ridgely, TN | 400.9 GWh |
| #214 | Appaloosa Solar I | Cedar City, UT | 400.1 GWh |
| #215 | Springbok Solar Farm 2 | Cantil, CA | 397.1 GWh |
| #216 | Maverick Solar 7, LLC | Desert Center, CA | 396.7 GWh |
| #217 | Appleseed Solar | Logansport, IN | 394.3 GWh |
| #218 | Luna Valley | Mendota, CA | 393.3 GWh |
| #219 | Mesquite Solar 1 | Tonopah, AZ | 392.2 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Posey Solar.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| A B Brown | Mount Vernon, IN | 743.2 GWh | 1.7 mi |
| Big River Solar | Norris City, IL | 313.4 GWh | 32 mi |
| Boomtown Renewable Energy Center | Carmi, IL | 295.7 GWh | 30.1 mi |
| Carmi | Carmi, IL | 92.0 MWh | 26.4 mi |
| Eldorado Solar I | Eldorado, IL | 312.7 GWh | 39.6 mi |
| Eldorado Solar II | Eldorado, IL | 232.4 GWh | 38.2 mi |
| F B Culley | Newburgh, IN | 1.3 TWh | 21.9 mi |
| Gibson | Owensville, IN | 10.6 TWh | 30.9 mi |
| Gibson Solar | Princeton, IN | 392.1 GWh | 29.1 mi |
| Oak Hill Solar Array | Evansville, IN | 3.2 GWh | 11.7 mi |
| Petersburg Energy Center | Petersburg, IN | 267.6 GWh | 43.8 mi |
| R D Green | Robards, KY | 531.8 GWh | 23.1 mi |
| Rockport | Rockport, IN | 9.0 TWh | 37.7 mi |
| SABIC Innovative Plastics Mt. Vernon | Mount Vernon, IN | 579.7 GWh | 10.8 mi |
| Sebree Solar I | Robards, KY | 482.6 GWh | 18.9 mi |
| Sebree Solar II | Robards, KY | 28.1 GWh | 17.4 mi |
| Unbridled Solar | Robards, KY | 316.2 GWh | 21.3 mi |
| Veolia ES Blackfoot Landfill Facility | Winslow, IN | 4.4 GWh | 39.9 mi |
| Volkman Road Solar Array Hybrid | Evansville, IN | 3.1 GWh | 18.3 mi |
| Warrick | Newburgh, IN | 3.1 TWh | 21.6 mi |