Southampton Solar PV
41 Valley Road, Southampton, MA 1073Plant Summary Information
Southampton Solar PV is ranked #341 out of 541 solar farms in Massachusetts in terms of total annual net electricity generation.
Southampton Solar PV generated 402.0 MWh during the 3-month period between September 2025 to December 2025.
| Plant Name | Southampton Solar PV |
|---|---|
| Utility Name | NSTAR Electric Company |
| Location | Hampshire County, MA |
| Initial Operation Date | February 2019 |
| Last Update | Dec 2025 |
| Annual Generation | 2.6 GWh |
| Annual Consumption | 9.1 k MMBtu |
| Ranked #10,246 out of 13,094 Power Plants Nationwide | |
| Ranked #5,202 out of 7,027 Solar Power Plants Nationwide | |
| Ranked #427 out of 648 Massachusetts Power Plants | |
| Ranked #341 out of 541 Massachusetts Solar Power Plants | |
| Fuel Types | Solar |
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Monthly Net Generation for Southampton Solar PV
Monthly Plant Fuel Consumption for Southampton Solar PV
Southampton Solar PV Details
| Summary Information | |
|---|---|
| Plant Name | Southampton Solar PV (62066) |
| Plant Address | 41 Valley Road, Southampton, MA 1073 |
| Utility | NSTAR Electric Company (54913) |
| Latitude, Longitude | 42.2, -72.71 |
| Generation Dates on File | Feb 2019 to Dec 2025 |
| Initial Operation Date | February 2019 |
| Annual Generation | 2.6 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 | NPCC |
| Balancing Authority | ISO New England Inc. (ISNE) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | |
| Ash Impoundment | No |
| Transmission / Distribution Owner | NSTAR Electric Company (54913) MA |
| Grid Voltage | 23.00 kV |
| Energy Storage | No |
Generator LG400 Details Operating February 2019
| 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 | February 2019 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Solar |
| Solar Details | |
| Fixed Tilt | Yes |
|---|---|
| Azimuth Angle | 180 |
| Tilt Angle | 10 |
| DC Net Capacity | 2.8 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
Southampton Solar PV Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
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| #5195 | Blue Shld Of Cal- El Dorado Hlls Mtr B | El Dorado Hills, CA | 2.6 GWh |
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| #5199 | Gillespie Street Solar | Fayetteville, NC | 2.6 GWh |
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| #5209 | Broadway 3 - UCSB Lot 38 | Santa Barbara, CA | 2.6 GWh |
| #5210 | Old Caroleen Solar Farm | Forest City, NC | 2.6 GWh |
| #5211 | Santa Fe Springs Rooftop Solar BLDG M | Santa Fe Springs, CA | 2.6 GWh |
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Nearby Power Plants
Below are closest 20 power plants surrounding Southampton Solar PV.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Beacon Solar, LLC | Easthampton, MA | 7.8 GWh | 6 mi |
| Boatlock | Holyoke, MA | 11.6 GWh | 5.6 mi |
| Cabot Holyoke | Holyoke, MA | 3.0 GWh | 5.1 mi |
| CED Westfield Solar, LLC | Westfield, MA | 2.7 GWh | 2.9 mi |
| Chemical | Holyoke, MA | 5.1 GWh | 5.2 mi |
| Chicopee Granby Road Solar | Chicopee, MA | 2.4 GWh | 6.5 mi |
| Chicopee Solar | Chicopee, MA | 4.4 GWh | 6.6 mi |
| Dwight | Chicopee, MA | 5.6 GWh | 6.2 mi |
| Easthampton CSG | Easthampton, MA | 3.4 GWh | 3.6 mi |
| Easthampton Landfill-City of Easthampton | Easthampton, MA | 2.8 GWh | 6 mi |
| Front Street | Chicopee, MA | 1.2 GWh | 7.1 mi |
| GSPP Terrawatt Westfield LLC CSG | Westfield, MA | 6.0 GWh | 1.8 mi |
| Hadley Falls | Holyoke, MA | 137.3 GWh | 5.5 mi |
| Hatfield Renewables Community Solar | Hatfield, MA | 2.9 GWh | 6.9 mi |
| Holyoke Solar Cooperative at Mueller | Holyoke, MA | 3.8 GWh | 1.5 mi |
| International Paper Woronoco Mill | Woronoco, MA | 6.6 GWh | 6.5 mi |
| Northampton Landfill Solar PV | Northampton, MA | 1.9 GWh | 6.5 mi |
| Riverside Holyoke | Holyoke, MA | 22.5 GWh | 5.9 mi |
| Syncarpha Northampton Hybrid CSG | Northampton, MA | 4.9 GWh | 6.3 mi |
| Twiss Street Solar | Westfield, MA | 1.9 GWh | 4.1 mi |