Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Syncarpha Halifax Hybrid CSG | Syncarpha Halifax, LLC | Halifax, MA | ISO New England (ISNE) | 2.8 GWh | Nov 2020 | Dec 2025 | Solar |
| Hurteau Solar Project Hybrid | AES Distributed Energy | Uxbridge, MA | ISO New England (ISNE) | 2.8 GWh | Feb 2020 | Dec 2025 | Solar |
| KS Solar Six LLC | Kearsarge Solar LLC | Hubbardston, MA | ISO New England (ISNE) | 2.8 GWh | Nov 2013 | Dec 2025 | Solar |
| Hinsdale Solar PV | NSTAR Electric Company | Hinsdale, MA | ISO New England (ISNE) | 2.8 GWh | Dec 2018 | Dec 2025 | Solar |
| Syncarpha Hancock II CSG | Syncarpha Hancock II, LLC | Hancock, MA | ISO New England (ISNE) | 2.8 GWh | Oct 2017 | Dec 2025 | Solar |
| Weston Landfill Solar | Ameresco, Inc - Weston | Weston, MA | ISO New England (ISNE) | 2.8 GWh | Feb 2016 | Dec 2025 | Solar |
| Winchendon Landfill Solar | Onyx Asset Services Group | Winchendon, MA | ISO New England (ISNE) | 2.8 GWh | Sep 2018 | Dec 2024 | Solar |
| Harbor Road Solar 1 | Harbor Road Solar 1, LLC | Cheshire, MA | ISO New England (ISNE) | 2.7 GWh | Nov 2021 | Dec 2025 | Solar |
| UMass PV Lot 22 | RWE Clean Energy | Amherst, MA | ISO New England (ISNE) | 2.7 GWh | Aug 2022 | Dec 2025 | Solar |
| Falmouth 2 Solar | Citizens Enterprises Corporation | Falmouth, MA | ISO New England (ISNE) | 2.7 GWh | Aug 2021 | Dec 2025 | Solar |
| Gardner Solar 1 | Gardner Solar 1, LLC | Gardner, MA | ISO New England (ISNE) | 2.7 GWh | Apr 2014 | Dec 2025 | Solar |
| Syncarpha Hancock I CSG | Syncarpha Hancock I, LLC | Hancock, MA | ISO New England (ISNE) | 2.7 GWh | Oct 2017 | Dec 2025 | Solar |
| Pine Hill Westport | Greenbacker Renewable Energy Corporation | Westport, MA | ISO New England (ISNE) | 2.7 GWh | May 2025 | Dec 2025 | Solar |
| Seaboard Oxford, LLC | Navisun LLC | Oxford, MA | ISO New England (ISNE) | 2.7 GWh | Jul 2020 | Dec 2025 | Solar |
| RGS-Rutland VNM SREC II Project (MA) | TerraForm Solar XVII, LLC | Rutland, MA | ISO New England (ISNE) | 2.7 GWh | Oct 2015 | Dec 2025 | Solar |
| CED Westfield Solar, LLC | RWE Clean Energy | Westfield, MA | ISO New England (ISNE) | 2.7 GWh | Jul 2016 | Dec 2025 | Solar |
| Integrys MA Solar, LLC - Ashburnham Site | Integrys MA Solar, LLC | Ashburnham, MA | ISO New England (ISNE) | 2.7 GWh | Nov 2013 | Dec 2025 | Solar |
| Winchendon Solar | Altus Power America Management, LLC | Winchendon, MA | ISO New England (ISNE) | 2.7 GWh | Mar 2014 | Dec 2025 | Solar |
| Greenfield Solar PV | NSTAR Electric Company | Greenfield, MA | ISO New England (ISNE) | 2.6 GWh | Dec 2018 | Dec 2025 | Solar |
| Fairview Farms Solar | NuGen Capital Management | Whately, MA | ISO New England (ISNE) | 2.6 GWh | May 2014 | Dec 2025 | Solar |
| Hadley 3 Solar (North) | Hadley 3 Solar, LLC (North) | Hadley, MA | ISO New England (ISNE) | 2.6 GWh | Nov 2019 | Dec 2025 | Solar |
| Hadley 2 Solar, LLC CSG | Hadley 2 Solar, LLC | Hadley, MA | ISO New England (ISNE) | 2.6 GWh | Nov 2016 | Dec 2025 | Solar |
| Dartmouth II Solar | RWE Clean Energy | Dartmouth, MA | ISO New England (ISNE) | 2.6 GWh | May 2012 | Dec 2025 | Solar |
| Hampshire College Hybrid | Tesla Inc. | Amherst, MA | ISO New England (ISNE) | 2.6 GWh | Apr 2017 | Dec 2025 | Solar |
| Leominster | Syncarpha Massachusetts, LLC | Leominster, MA | ISO New England (ISNE) | 2.6 GWh | Apr 2015 | Dec 2025 | Solar |
| Orange PV | Terraform Arcadia | Orange, MA | ISO New England (ISNE) | 2.6 GWh | Jun 2013 | Dec 2025 | Solar |
| Southampton Solar PV | NSTAR Electric Company | Southampton, MA | ISO New England (ISNE) | 2.6 GWh | Jan 2019 | Dec 2025 | Solar |
| Brookfield Solar 2013 LLC | CVI CleanCapital Solar 6 | North Brookfield, MA | ISO New England (ISNE) | 2.6 GWh | Nov 2013 | Dec 2025 | Solar |
| Acushnet-Braley Road 1 | CleanCapital Holdings | Freetown, MA | ISO New England (ISNE) | 2.6 GWh | Dec 2012 | Dec 2025 | Solar |
| Citizens Agawam Landfill Solar | Citizens Enterprises Corporation | Agawam, MA | ISO New England (ISNE) | 2.6 GWh | Mar 2017 | Dec 2025 | Solar |
| West Bridgewater AB CSG | MN8 Energy LLC | West Bridgewater, MA | ISO New England (ISNE) | 2.5 GWh | May 2017 | Dec 2025 | Solar |
| Easton Landfill | CleanCapital Holdings | Easton, MA | ISO New England (ISNE) | 2.5 GWh | Sep 2013 | Dec 2025 | Solar |
| Town of Lexington Solar | Syncarpha Lexington, LLC | Lexington, MA | ISO New England (ISNE) | 2.5 GWh | Apr 2017 | Dec 2025 | Solar |
| Scituate Wind | Scituate Wind LLC | Scituate, MA | ISO New England (ISNE) | 2.5 GWh | Feb 2012 | Dec 2025 | Wind |
| Stow PV | AES Distributed Energy | Stow, MA | ISO New England (ISNE) | 2.5 GWh | Nov 2013 | Dec 2025 | Solar |
| Ludlow Site 72 - Conti | NSTAR Electric Company | Ludlow, MA | ISO New England (ISNE) | 2.5 GWh | Jul 2018 | Dec 2025 | Solar |
| Electric Avenue Lunenburg Solar 1 | Electric Avenue Lunenburg Solar 1, LLC | Lunenburg, MA | ISO New England (ISNE) | 2.5 GWh | Nov 2021 | Dec 2025 | Solar |
| 71 Charlotte Furnace Rd Hybrid(CSG) | 71CFR WHAM8 Solar, LLC | Wareham, MA | ISO New England (ISNE) | 2.5 GWh | Nov 2021 | Dec 2024 | Solar |
| Westborough Solar LLC | SunRay Power LLC | Westborough, MA | ISO New England (ISNE) | 2.5 GWh | Mar 2014 | Dec 2024 | Solar |
| General Electric Aircraft Engines | General Electric Aircraft Engines | Lynn, MA | ISO New England (ISNE) | 2.5 GWh | Dec 1947 | May 2026 | Solar |
| Axio Green LLC | Altus Power America Management, LLC | Greenfield Township, MA | ISO New England (ISNE) | 2.5 GWh | May 2012 | Dec 2025 | Solar |
| Manheim New England | Cox Enterprises | North Dighton, MA | ISO New England (ISNE) | 2.5 GWh | Nov 2012 | Dec 2025 | Solar |
| 201 Sturbridge B | Altus Power America Management, LLC | Brimfield, MA | ISO New England (ISNE) | 2.5 GWh | May 2014 | Dec 2025 | Solar |
| Indian Orchard PV Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2011 | Dec 2025 | Solar |
| Silver Lake Solar Photovoltaic Facility | Western Massachusetts Electric Company | Pittsfield, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2010 | Dec 2025 | Solar |
| Town of Ware - Canadian Tree(CSG) | MA CS Ware West, LLC | Ware, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2021 | Dec 2024 | Solar |
| Aegean Drive Solar | Aegean Drive Solar LLC | Methuen, MA | ISO New England (ISNE) | 2.4 GWh | Aug 2021 | Dec 2025 | Solar |
| Joe Jenny | AMP MA Joe Jenny | Oxford, MA | ISO New England (ISNE) | 2.4 GWh | Apr 2018 | Dec 2024 | Solar |
| Town of Uxbridge MA at Commerce Dr | Luminace Solar Net Metering, LLC | Uxbridge, MA | ISO New England (ISNE) | 2.4 GWh | May 2012 | Dec 2025 | Solar |
| Berkshire 1 | PPS Berkshire Solar LLC | Sheffield, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2011 | Dec 2024 | Solar |
| Theodore Drive Community Solar | Theodore Drive Solar, LLC | Westminster, MA | ISO New England (ISNE) | 2.4 GWh | Feb 2018 | Dec 2025 | Solar |
| Chicopee Granby Road Solar | Citizens Enterprises Corporation | Chicopee, MA | ISO New England (ISNE) | 2.4 GWh | Dec 2014 | Dec 2025 | Solar |
| Chatham Landfill | Clean Focus Yield, LLC | Chatham, MA | ISO New England (ISNE) | 2.4 GWh | Aug 2014 | Dec 2025 | Solar |
| West Water Street | City of Taunton - (MA) | Taunton, MA | ISO New England (ISNE) | 2.4 GWh | Dec 2017 | Dec 2025 | Distillate Fuel Oil |
| Stone Hill Solar CSG | MN8 Energy LLC | North Easton, MA | ISO New England (ISNE) | 2.4 GWh | Jun 2014 | Dec 2025 | Solar |
| Smith & Wesson at Springfield MA PV | Luminace Solar Massachusetts, LLC | Springfield, MA | ISO New England (ISNE) | 2.4 GWh | Jun 2017 | Dec 2025 | Solar |
| Whately Solar | Citizens Enterprises Corporation | Whately, MA | ISO New England (ISNE) | 2.4 GWh | Feb 2013 | Dec 2025 | Solar |
| Norton Landfill Solar | Citizens Enterprises Corporation | Norton, MA | ISO New England (ISNE) | 2.3 GWh | Dec 2016 | Dec 2025 | Solar |
| Kenmare - Mansfield Branch Street | MN8 Energy LLC | Mansfield, MA | ISO New England (ISNE) | 2.3 GWh | May 2017 | Dec 2025 | Solar |
| Dynamic - Walpole | AES Distributed Energy | Walpole, MA | ISO New England (ISNE) | 2.3 GWh | May 2017 | Dec 2025 | Solar |
| Hewlett-Packard (HP) - Andover, MA | Tesla Inc. | Andover, MA | ISO New England (ISNE) | 2.3 GWh | May 2017 | Dec 2025 | Solar |
| Pepperell Hydro Power Plant | Eagle Creek Renewable Energy, LLC | Pepperell, MA | ISO New England (ISNE) | 2.3 GWh | Dec 1919 | May 2026 | Water |
| Camelot Wind LLC | Camelot Wind LLC | Plymouth, MA | ISO New England (ISNE) | 2.3 GWh | Sep 2012 | Dec 2024 | Wind |
| Emerald Marshfields, LLC | Emerald Marshfield, LLC | Marshfield, MA | ISO New England (ISNE) | 2.3 GWh | Nov 2022 | Dec 2025 | Solar |
| Chicopee | Captona Chicopee LLC | Chicopee, MA | ISO New England (ISNE) | 2.3 GWh | Mar 2017 | Dec 2025 | Solar |
| Seaboard Sheffield, LLC | Navisun LLC | Sheffield, MA | ISO New England (ISNE) | 2.3 GWh | Mar 2021 | Dec 2025 | Solar |
| Fall River Solar CSG | MN8 Energy LLC | Fall River, MA | ISO New England (ISNE) | 2.3 GWh | Jan 2013 | Dec 2025 | Solar |
| BWC Pocasset River | BWC Pocasset River, LLC | Wareham, MA | ISO New England (ISNE) | 2.3 GWh | Nov 2018 | Dec 2025 | Solar |
| Dartmouth Solar | RWE Clean Energy | Dartmouth, MA | ISO New England (ISNE) | 2.3 GWh | Feb 2011 | Dec 2025 | Solar |
| ASD Cotuit MA Solar LLC | ASD Cotuit MA Solar LLC | Sandwich, MA | ISO New England (ISNE) | 2.2 GWh | Oct 2023 | Dec 2024 | Solar |
| Griffin Road Solar 2 | Griffin Road Solar 2, LLC | Charlton, MA | ISO New England (ISNE) | 2.2 GWh | May 2020 | Dec 2025 | Solar |
| Fairhaven C CSG | MN8 Energy LLC | Fairhaven, MA | ISO New England (ISNE) | 2.2 GWh | Apr 2017 | Dec 2025 | Solar |
| Shuman Solar | NuGen Capital Management | Stoughton, MA | ISO New England (ISNE) | 2.2 GWh | Mar 2016 | Dec 2025 | Solar |
| Newton Rumford Landfill | Newton Municipal Solar LLC - Rumford | Newton, MA | ISO New England (ISNE) | 2.2 GWh | Jun 2017 | Dec 2025 | Solar |
| Southbridge Solar | AES Distributed Energy | Southbridge, MA | ISO New England (ISNE) | 2.2 GWh | Feb 2016 | Mar 2026 | Solar |
| Lane Ave Solar LLC | AES Distributed Energy | North Brookfield, MA | ISO New England (ISNE) | 2.2 GWh | Aug 2021 | Dec 2025 | Solar |
| Route 57 Solar | Citizens Enterprises Corporation | Agawam, MA | ISO New England (ISNE) | 2.2 GWh | Feb 2013 | Dec 2025 | Solar |
| 301 Chestnut Solar NG | NuGen Capital Management | East Longmeadow, MA | ISO New England (ISNE) | 2.2 GWh | Mar 2017 | Dec 2025 | Solar |
| 126 Grove Solar LLC | Altus Power America Management, LLC | Franklin, MA | ISO New England (ISNE) | 2.2 GWh | May 2012 | Dec 2025 | Solar |
| Faunce Corner Community Solar | Faunce Corner Road Dartmouth Solar 1, LLC | Dartmouth, MA | ISO New England (ISNE) | 2.2 GWh | Jun 2022 | Dec 2024 | Solar |
| Apollo | Sunrise on Wing Ln. LLC | Acushnet, MA | ISO New England (ISNE) | 2.1 GWh | Aug 2021 | Dec 2024 | Solar |
| Ipswich Wind Turbine | Town of Ipswich - (MA) | Ipswich, MA | ISO New England (ISNE) | 2.1 GWh | Apr 2011 | Dec 2025 | Wind |
| Kearsarge Wilmington | Kearsarge Wilmington LLC | Wilmington, MA | ISO New England (ISNE) | 2.1 GWh | Nov 2017 | Dec 2025 | Solar |
| Westport MA 1 Community Solar | Navisun LLC | Westport, MA | ISO New England (ISNE) | 2.1 GWh | Aug 2016 | Dec 2025 | Solar |
| Sullivan Solar | Altus Power America Management, LLC | New Bedford, MA | ISO New England (ISNE) | 2.1 GWh | Jul 2014 | Dec 2025 | Solar |
| BWC Harlow Brook | BWC Harlow Brook, LLC | Wareham, MA | ISO New England (ISNE) | 2.1 GWh | Nov 2018 | Dec 2025 | Solar |
| DG Webster LLC CSG | DG Webster, LLC | Webster, MA | ISO New England (ISNE) | 2.1 GWh | Nov 2017 | Dec 2025 | Solar |
| Templeton | Sunny Templeton, LLC | Templeton, MA | ISO New England (ISNE) | 2.1 GWh | Nov 2014 | Dec 2025 | Solar |
| Barre II Solar Project | Kearsarge Solar LLC | Barre, MA | ISO New England (ISNE) | 2.1 GWh | Mar 2014 | Dec 2025 | Solar |
| Nexamp Peak CSG | Nexamp Peak, LLC | Hancock, MA | ISO New England (ISNE) | 2.1 GWh | Nov 2015 | Dec 2025 | Solar |
| Grafton Solar | CD US Solar MT 2 LLC | Grafton, MA | ISO New England (ISNE) | 2.0 GWh | Sep 2013 | Dec 2025 | Solar |
| Agawam Solar | Citizens Enterprises Corporation | Agawam, MA | ISO New England (ISNE) | 2.0 GWh | Feb 2012 | Dec 2025 | Solar |
| Woburn | Greenbacker Renewable Energy Corporation | Woburn, MA | ISO New England (ISNE) | 2.0 GWh | Nov 2020 | Dec 2025 | Solar |
| Plympton Lake Street Solar | REA Investments, LLC | Plympton, MA | ISO New England (ISNE) | 2.0 GWh | Nov 2022 | Dec 2025 | Solar |
| Town of Foxborough - Landfill (SREC II) | Town of Foxborough - Landfill (SREC II) | Foxborough, MA | ISO New England (ISNE) | 2.0 GWh | Jul 2017 | Dec 2025 | Solar |
| Westminster Renewables, LLC CSG | Westminster Renewables, LLC | Westminster, MA | ISO New England (ISNE) | 2.0 GWh | Sep 2018 | Dec 2025 | Solar |
| Merrimac Solar | RWE Clean Energy | Merrimac, MA | ISO New England (ISNE) | 2.0 GWh | Nov 2013 | Dec 2025 | Solar |
| Mashpee Landfill Solar | Nautilus Solar Solutions | Mashpee, MA | ISO New England (ISNE) | 2.0 GWh | Aug 2014 | Dec 2025 | Solar |
| Ring Road | Greenbacker Renewable Energy Corporation | Plympton, MA | ISO New England (ISNE) | 2.0 GWh | May 2025 | Dec 2025 | Solar |
| Wilmington Solar | MN8 Energy LLC | Wilmington, MA | ISO New England (ISNE) | 2.0 GWh | Oct 2015 | Dec 2025 | Solar |
Browse Power Plants By Massachusetts Counties
Figures are based on May 2026 generation numbers.| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Norfolk County, MA | # 1 | 40 | 6.7 TWh |
| Worcester County, MA | # 2 | 197 | 5.4 TWh |
| Essex County, MA | # 3 | 41 | 2.5 TWh |
| Middlesex County, MA | # 4 | 68 | 1.9 TWh |
| Hampden County, MA | # 5 | 89 | 1.9 TWh |
| Plymouth County, MA | # 6 | 84 | 814.7 GWh |
| Bristol County, MA | # 7 | 74 | 645.8 GWh |
| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Barnstable County, MA | # 8 | 25 | 628.3 GWh |
| Suffolk County, MA | # 9 | 14 | 428.0 GWh |
| Dukes County, MA | # 10 | 7 | 376.1 GWh |
| Hampshire County, MA | # 11 | 39 | 226.9 GWh |
| Berkshire County, MA | # 12 | 46 | 198.8 GWh |
| Franklin County, MA | # 13 | 33 | 182.1 GWh |