Marston Mills Solar
280 Old Falmouth Rd, Marstons Mills, MA 2648Plant Summary Information
Marston Mills Solar is ranked #98 out of 541 solar farms in Massachusetts in terms of total annual net electricity generation.
Marston Mills Solar generated 1.2 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Marston Mills Solar |
|---|---|
| Utility Name | SoCore Energy LLC |
| Location | Barnstable County, MA |
| Initial Operation Date | December 2021 |
| Last Update | Dec 2025 |
| Annual Generation | 6.3 GWh |
| Annual Consumption | 22.2 k MMBtu |
| Ranked #7,711 out of 13,081 Power Plants Nationwide | |
| Ranked #3,114 out of 7,015 Solar Power Plants Nationwide | |
| Ranked #166 out of 648 Massachusetts Power Plants | |
| Ranked #98 out of 541 Massachusetts Solar Power Plants | |
| Fuel Types | Solar |
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Monthly Net Generation for Marston Mills Solar
Monthly Plant Fuel Consumption for Marston Mills Solar
Marston Mills Solar Details
| Summary Information | |
|---|---|
| Plant Name | Marston Mills Solar (68950) |
| Plant Address | 280 Old Falmouth Rd, Marstons Mills, MA 2648 |
| Utility | SoCore Energy LLC (60520) |
| Latitude, Longitude | 41.66333, -70.39889 |
| Generation Dates on File | Jan 2024 to Dec 2025 |
| Initial Operation Date | December 2021 |
| Annual Generation | 6.3 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 | QF19-1328 |
| 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 | No |
| Transmission / Distribution Owner | NSTAR Electric Company (54913) MA |
| Grid Voltage | 20.00 kV |
| Energy Storage | Yes |
Generator BA Details Operating December 2021
| Technology | Batteries |
|---|---|
| Prime Mover | Battery |
| Ownership | Single Owner |
| Nameplate Capacity | 3 MW |
| Summer Capacity | 3 MW |
| Winter Capacity | 3 MW |
| Minimum Load | 3 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | December 2021 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Electricity used for energy storage |
| Energy Storage Details | |
| Nameplate Energy Capacity MWH | 3 |
|---|---|
| Maximum Charge Rate | 3 MW |
| Maximum Discharge Rate | 3 MW |
| Storage Technology | LIB |
| Nameplate Reactive Power Rating | 3 |
| Storage Enclosure Type | CS |
| Load Following | P |
| Load Management | Yes |
| Voltage Or Reactive Power Support | Yes |
| Direct Support Of Another Unit | No |
| Support T D Asset | Yes |
Generator PV1 Details Operating December 2021
| 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 | December 2021 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Solar |
| Solar Details | |
| Fixed Tilt | Yes |
|---|---|
| Azimuth Angle | 180 |
| Tilt Angle | 17 |
| DC Net Capacity | 5.5 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Marston Mills 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 Marston Mills Solar.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| 118 Echo | Mashpee, MA | 814.0 MWh | 5.4 mi |
| 665 Scenic Highway | Bourne, MA | 89.0 MWh | 11.5 mi |
| ASD Cotuit MA Solar LLC | Sandwich, MA | 2.2 GWh | 4.4 mi |
| Barnstable Landfill | Marstons Mills, MA | 4.9 GWh | 0.3 mi |
| Blacksmith Road Solar 1 | Falmouth, MA | 8.5 GWh | 11.5 mi |
| Canal | Sandwich, MA | 546.2 GWh | 9.3 mi |
| Cape Cod Air Force Station - 6 SWS | Sagamore, MA | 6.2 GWh | 9.5 mi |
| Cedarville CSG | Plymouth, MA | 914.0 MWh | 12.4 mi |
| Dennis Landfill | Dennis, MA | 7.7 GWh | 13.3 mi |
| DG Crystal Spring CSG | Mattapoisett, MA | 6.8 GWh | 5.1 mi |
| Falmouth 2 Solar | Falmouth, MA | 2.7 GWh | 10.9 mi |
| Falmouth Landfill Solar | Falmouth, MA | 4.7 GWh | 10.9 mi |
| Future Generation Wind | Plymouth, MA | 12.2 GWh | 13.6 mi |
| Green Meadows | Sandwich, MA | 5.1 GWh | 6.9 mi |
| MA Military Reservation Wind Project | Otis ANG Base Bourne, MA | 5.1 GWh | 10.1 mi |
| Mashpee Landfill Solar | Mashpee, MA | 2.0 GWh | 4.7 mi |
| Notus Wind 1 | E. Falmouth, MA | 5.0 GWh | 11.5 mi |
| Onset West Community Solar Facility | Wareham, MA | 1.6 GWh | 14.5 mi |
| Renew Canal 1 CSG LLC | Sandwich, MA | 1.9 GWh | 9.5 mi |
| Sandwich | Sandwich, MA | 4.6 GWh | 5.6 mi |