Wilmarth Solar
15 Wilmarth Lane, Plainville, MA 2762Plant Summary Information
Wilmarth Solar is ranked #35 out of 547 solar farms in Massachusetts in terms of total annual net electricity generation.
Wilmarth Solar generated 1.4 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Wilmarth Solar |
|---|---|
| Utility Name | Wilmarth Lane Solar 1, LLC |
| Location | Norfolk County, MA |
| Initial Operation Date | February 2020 |
| Last Update | Dec 2025 |
| Annual Generation | 7.9 GWh |
| Annual Consumption | 28.2 k MMBtu |
| Ranked #7,102 out of 13,301 Power Plants Nationwide | |
| Ranked #2,600 out of 7,209 Solar Power Plants Nationwide | |
| Ranked #103 out of 654 Massachusetts Power Plants | |
| Ranked #35 out of 547 Massachusetts Solar Power Plants | |
| Fuel Types | Solar |
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Monthly Net Generation for Wilmarth Solar
Monthly Plant Fuel Consumption for Wilmarth Solar
Wilmarth Solar Details
| Summary Information | |
|---|---|
| Plant Name | Wilmarth Solar (64436) |
| Plant Address | 15 Wilmarth Lane, Plainville, MA 2762 |
| Utility | Wilmarth Lane Solar 1, LLC (64073) |
| Latitude, Longitude | 42.02505, -71.35355 |
| Generation Dates on File | Feb 2020 to Dec 2025 |
| Initial Operation Date | February 2020 |
| Annual Generation | 7.9 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 | QF19-1358-002 |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | NPCC |
| Balancing Authority | ISO New England Inc. (ISNE) |
| NAICS Code | Utilities (22) |
| Sector | IPP Non-CHP (2) |
| Water Source | |
| Ash Impoundment | |
| Transmission / Distribution Owner | Massachusetts Electric Co (11804) MA |
| Grid Voltage | 13.80 kV |
| Energy Storage | Yes |
Generator WIL Details Operating February 2020
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| Nameplate Capacity | 5 MW |
| Summer Capacity | 5 MW |
| Winter Capacity | 5 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | February 2020 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Solar Details | |
| Fixed Tilt | Yes |
|---|---|
| Azimuth Angle | 180 |
| Tilt Angle | 20 |
| DC Net Capacity | 6.4 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | Yes |
| Virtual Net Metering DC Capacity | 6.4 MW |
Generator WILB Details Operating February 2020
| Technology | Batteries |
|---|---|
| Prime Mover | Battery |
| Ownership | Single Owner |
| Nameplate Capacity | 2.3 MW |
| Summer Capacity | 2.3 MW |
| Winter Capacity | 2.3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | February 2020 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Electricity used for energy storage |
| Time From Cold Shutdown To Full Load | 10M |
| Energy Storage Details | |
| Nameplate Energy Capacity MWH | 4.6 |
|---|---|
| Maximum Charge Rate | 2.3 MW |
| Maximum Discharge Rate | 2.3 MW |
| Storage Technology | LIB |
| Nameplate Reactive Power Rating | 2.3 |
| Storage Enclosure Type | CS |
| Excess Wind And Solar Generation | P |
| Ac Coupled | Yes |
| Direct Support Of Another Unit | Yes |
| Direct Support Plant Id | 64436 |
| Direct Support Gen Id | WIL |
| Support T D Asset | Yes |
Wilmarth Solar Plant Owners
| Owner Name | Address | Generator | Ownership | We couldn't locate any owners for this plant |
|---|
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Nearby Power Plants
Below are closest 20 power plants surrounding Wilmarth Solar.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| 126 Grove Solar LLC | Franklin, MA | 2.2 GWh | 5 mi |
| 15 Lincoln | Norfolk, MA | 1.4 GWh | 7.8 mi |
| 5 Berry | Plainsville, MA | 7.5 GWh | 0.7 mi |
| ANP Bellingham Energy Project | Bellingham, MA | 2.7 TWh | 7.8 mi |
| Bellingham Cogeneration Facility | Bellingham, MA | 318.2 GWh | 8.1 mi |
| Bird Machine Solar Farm | South Walpole, MA | 5.9 GWh | 7.3 mi |
| Franklin 1 | Wrentham, MA | 4.4 GWh | 2.3 mi |
| Franklin 2 | Franklin, MA | 5.7 GWh | 2.8 mi |
| GSPP NESV, LLC | Attleboro, MA | 1.6 GWh | 7 mi |
| Kearsarge Bellingham PV | Bellingham, MA | 4.6 GWh | 6.3 mi |
| Kearsarge Upper Union | Franklin, MA | 1.5 GWh | 2.6 mi |
| Kearsarge William Way | Bellingham, MA | 7.3 GWh | 8.1 mi |
| Kenmare - Mansfield Branch Street | Mansfield, MA | 2.3 GWh | 7.7 mi |
| Manville Hill Road Solar | Cumberland, RI | 6.7 GWh | 7 mi |
| Maple(CSG) | Bellingham, MA | 6.6 GWh | 5.3 mi |
| Norton LLC | Norton, MA | 1.1 GWh | 7.7 mi |
| One Patriot | Foxborough, MA | 16.9 GWh | 6.5 mi |
| Solten Plainville 6000, LLC | Plainville, MA | 6.9 GWh | 3.3 mi |
| Town of Norfolk MA at Medway Branch | Norfolk, MA | 1.7 GWh | 7.1 mi |
| Walpole Solar 2 | Walpole, MA | 3.6 GWh | 7.8 mi |