Washington Solar (SC)
North of Mullins at Millers Rd, Mullins, SC 29574Plant Summary Information
Washington Solar (SC) is ranked #85 out of 125 solar farms in South Carolina in terms of total annual net electricity generation.
Washington Solar (SC) generated 672.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Washington Solar (SC) |
|---|---|
| Utility Name | Headwater Energy, LLC |
| Location | Marion County, SC |
| Initial Operation Date | March 2023 |
| Last Update | Dec 2025 |
| Annual Generation | 3.8 GWh |
| Annual Consumption | 14.0 k MMBtu |
| Ranked #9,127 out of 13,301 Power Plants Nationwide | |
| Ranked #4,241 out of 7,209 Solar Power Plants Nationwide | |
| Ranked #141 out of 203 South Carolina Power Plants | |
| Ranked #85 out of 125 South Carolina Solar Power Plants | |
| Fuel Types | Solar |
| Previous Operator |
Washington Solar (SC) (2018 to 2024) Headwater Energy, LLC (2025 to 2025) |
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Monthly Net Generation for Washington Solar (SC)
Monthly Plant Fuel Consumption for Washington Solar (SC)
Washington Solar (SC) Details
| Summary Information | |
|---|---|
| Plant Name | Washington Solar (SC) (62342) |
| Plant Address | North of Mullins at Millers Rd, Mullins, SC 29574 |
| Utility | Headwater Energy, LLC (67082) |
| Latitude, Longitude | 34.23808, -79.25195 |
| Generation Dates on File | Jun 2023 to Dec 2025 |
| Initial Operation Date | March 2023 |
| Annual Generation | 3.8 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 | 16-526-000 |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | SERC |
| Balancing Authority | Duke Energy Progress East (CPLE) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Duke Energy Progress - (NC) (3046) SC |
| Grid Voltage | 22.86 kV |
| Energy Storage | No |
Generator 87 Details Operating March 2023
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| Nameplate Capacity | 2 MW |
| Summer Capacity | 2 MW |
| Winter Capacity | 2 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | March 2023 |
|---|---|
| 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 | 0.9 |
| DC Net Capacity | 2.7 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | Yes |
| Net Metering DC Capacity | 2.7 MW |
| Virtual Net Metering Agreement | No |
Washington Solar (SC) 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 |
|---|---|---|---|
| #4231 | Gardner - Otter River Road | Gardner, MA | 3.9 GWh |
| #4232 | Chaberton Solar Catherine | Cooksville, MD | 3.9 GWh |
| #4233 | Robert O Schulz Solar Farm | Oakdale, CA | 3.9 GWh |
| #4234 | Marengo Solar | Marengo, IL | 3.9 GWh |
| #4235 | South Solar | Pamplico, SC | 3.9 GWh |
| #4236 | Labish Solar LLC | Salem, OR | 3.9 GWh |
| #4237 | Fredonia Solar (KS) | Fredonia, KS | 3.9 GWh |
| #4238 | CA-DGS-California Correctional Inst | Tehachapi, CA | 3.8 GWh |
| #4239 | CA-DGS- RFP-Correctional Training Fac | Soledad, CA | 3.8 GWh |
| #4240 | Crawford 1A Solar | Dixon, IL | 3.8 GWh |
| #4242 | Gunnison Solar | Gunnison, UT | 3.8 GWh |
| #4243 | Solar Star California II LLC | Sacramento, CA | 3.8 GWh |
| #4244 | Magdaline Solar, LLC | Lynchburg, SC | 3.8 GWh |
| #4245 | Fremont CO 1, LLC | Canon City, CO | 3.8 GWh |
| #4246 | Woodfields Solar | Greenwood, SC | 3.8 GWh |
| #4247 | Old Frontier Solar III | South Deerfield, MA | 3.8 GWh |
| #4248 | Lena | Lena, IL | 3.8 GWh |
| #4249 | Rounseville Solar | Rochester, MA | 3.8 GWh |
| #4250 | Adams Ave MS and HS | Egg Harbor Township, NJ | 3.8 GWh |
| #4251 | VA Sepulveda Ambulatory Care Center | North Hills, CA | 3.8 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Washington Solar (SC).
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Acme Solar, LLC | Riegelwood, NC | 6.6 GWh | 15.8 mi |
| Baltimore Church Solar, LLC | Fairmont, NC | 7.2 GWh | 16.8 mi |
| Beckwith Solar | Tabor City, NC | 4.2 GWh | 21.4 mi |
| Cardinal Solar LLC | Marion, SC | 14.7 GWh | 8.1 mi |
| Fairmont-FLS 100 | Fairmont, NC | 6.7 GWh | 20.7 mi |
| Florence Mill | Florence, SC | 437.6 GWh | 18.7 mi |
| Floyd Solar, LLC | Fairmont, NC | 9.4 GWh | 19.9 mi |
| Freedom Solar | Nichols, SC | 7.7 GWh | 6.8 mi |
| Graham Solar Center LLC | Fair Bluff, NC | 4.2 GWh | 14.4 mi |
| Jessamine Solar | Marion, SC | 3.7 GWh | 7.9 mi |
| McCallum Farm | Rowland, NC | 8.4 GWh | 21.3 mi |
| Panda Solar NC 1, LLC | Fairmont, NC | 1.7 GWh | 16.5 mi |
| Panda Solar NC 2, LLC | Fairmont, NC | 2.8 GWh | 16.8 mi |
| Progress Solar II, LLC | Fairmont, NC | 5.4 GWh | 18.7 mi |
| Rankin Solar Center, LLC | Florence, SC | 17.7 GWh | 23 mi |
| South Robeson Farm | Rowland, NC | 6.5 GWh | 22.4 mi |
| Turkey Branch Solar LLC | Fairmont, NC | 7.0 GWh | 21.5 mi |
| Walters Solar (FLS 260) | Orrum, NC | 7.0 GWh | 21.3 mi |
| Washington Solar II (SC) | Mullins, SC | 685.0 MWh | 0 mi |
| Whitetail Solar | Dillon, SC | 20.7 GWh | 13.4 mi |