Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Concord Solar Farm | Kearsarge Solar LLC | Concord, MA | ISO New England (ISNE) | 1.9 GWh | Mar 2014 | Dec 2025 | Solar |
| Twiss Street Solar | Citizens Enterprises Corporation | Westfield, MA | ISO New England (ISNE) | 1.9 GWh | Dec 2014 | Mar 2025 | Solar |
| BlueWave Capital - Grafton (SREC II) | TerraForm Solar XVII, LLC | Grafton, MA | ISO New England (ISNE) | 1.9 GWh | Feb 2015 | Dec 2025 | Solar |
| Shrewsbury | Town of Shrewsbury - (MA) | Shrewsbury, MA | ISO New England (ISNE) | 1.9 GWh | Oct 1969 | Dec 2025 | Distillate Fuel Oil |
| Northampton Landfill Solar PV | Ameresco Glendale Road Solar PV LLC | Northampton, MA | ISO New England (ISNE) | 1.9 GWh | Oct 2017 | Dec 2025 | Solar |
| 515 Main Saugus | 515 Main Saugus LLC | Saugus, MA | ISO New England (ISNE) | 1.9 GWh | Aug 2017 | Dec 2025 | Solar |
| Renew Canal 1 CSG LLC | NRG Renew Canal 1 LLC | Sandwich, MA | ISO New England (ISNE) | 1.9 GWh | May 2017 | Dec 2024 | Solar |
| East Springfield Solar PV | NSTAR Electric Company | Springfield, MA | ISO New England (ISNE) | 1.9 GWh | Sep 2018 | Dec 2025 | Solar |
| West Brookfield Solar, LLC | CVI CleanCapital Solar 7 | West Brookfield, MA | ISO New England (ISNE) | 1.9 GWh | Dec 2015 | Dec 2025 | Solar |
| BWC Muddy Brook, LLC Hybrid | AES Distributed Energy | Mendon, MA | ISO New England (ISNE) | 1.9 GWh | Aug 2021 | Dec 2025 | Solar : 99.8% |
| DDR Shoppers World | Altus Power America Management, LLC | Framingham, MA | ISO New England (ISNE) | 1.9 GWh | Oct 2017 | Dec 2025 | Solar |
| Hampden Landfill Solar LLC | Hampden Landfill Solar LLC | Hampden, MA | ISO New England (ISNE) | 1.8 GWh | Nov 2024 | Dec 2025 | Solar |
| Danton XI Solar LLC | Danton XI Solar LLC | Methuen, MA | ISO New England (ISNE) | 1.8 GWh | Dec 2013 | Dec 2025 | Solar |
| Holliston LLC | Greenbacker Renewable Energy Corporation | Holliston, MA | ISO New England (ISNE) | 1.8 GWh | Sep 2020 | Dec 2025 | Solar |
| Carver | Captona Carver LLC | North Carver, MA | ISO New England (ISNE) | 1.8 GWh | Apr 2017 | Dec 2025 | Solar |
| Hardwick-Athol & Eagle Hill | Madison Energy Investments LLC | Hardwick, MA | ISO New England (ISNE) | 1.8 GWh | Jun 2015 | Sep 2025 | Solar |
| Stetson Road Solar - Barre I | Kearsarge Solar LLC | Barre, MA | ISO New England (ISNE) | 1.8 GWh | Apr 2014 | Dec 2025 | Solar |
| Brockelman Road Solar 2 | Brockelman Road Solar 2, LLC | Lancaster, MA | ISO New England (ISNE) | 1.8 GWh | Jul 2021 | Dec 2025 | Solar |
| Indian River Hydro | Eagle Creek Renewable Energy, LLC | Russell, MA | ISO New England (ISNE) | 1.8 GWh | Nov 1909 | Dec 2025 | Water |
| Dartmouth Landfill | CleanCapital Holdings | Dartmouth, MA | ISO New England (ISNE) | 1.8 GWh | Jan 2013 | Dec 2025 | Solar |
| Acushnet Hawes Reed Road | CleanCapital Holdings | Dartmouth, MA | ISO New England (ISNE) | 1.8 GWh | Jun 2012 | Dec 2025 | Solar |
| BWC Mystic River | BWC Mystic River LLC | Mendon, MA | ISO New England (ISNE) | 1.8 GWh | Jun 2017 | Dec 2025 | Solar |
| BWC Stony Brook, LLC Hybrid | AES Distributed Energy | Chelmsford, MA | ISO New England (ISNE) | 1.8 GWh | Jun 2021 | Dec 2025 | Solar |
| Tihonet Solar | RWE Clean Energy | Wareham, MA | ISO New England (ISNE) | 1.8 GWh | Apr 2014 | Dec 2025 | Solar |
| Stafford St Solar 3 CSG | Stafford St Solar 3, LLC | Leicester, MA | ISO New England (ISNE) | 1.7 GWh | Nov 2017 | Dec 2024 | Solar |
| BWC Wareham River | BWC Wareham River, LLC | Wareham, MA | ISO New England (ISNE) | 1.7 GWh | Nov 2018 | Dec 2025 | Solar |
| Ava Solar | Ecos Energy LLC | Ware, MA | ISO New England (ISNE) | 1.7 GWh | Nov 2023 | Dec 2025 | Solar |
| Cranberry Solar | GWE Cranberry Solar RT, LLC | Middleborough, MA | ISO New England (ISNE) | 1.7 GWh | Nov 2016 | Dec 2025 | Solar |
| Dover (MA) | BWC Buckmaster Pond LLC | Dover, MA | ISO New England (ISNE) | 1.7 GWh | Jul 2017 | Dec 2024 | Solar |
| BWC Origination 19 | BWC Origination 19 LLC | Hopedale, MA | ISO New England (ISNE) | 1.7 GWh | Jul 2017 | Dec 2025 | Solar |
| Granby LFG | Industrial Power Services Corp. | Granby, MA | ISO New England (ISNE) | 1.7 GWh | Aug 2001 | Dec 2025 | Landfill Gas |
| Dept of Corrections NCCI Wind | Dept of Corrections NCCI Wind | Gardner, MA | ISO New England (ISNE) | 1.7 GWh | Oct 2013 | May 2026 | Wind |
| Nunnepog | Clean Focus Yield, LLC | Edgartown, MA | ISO New England (ISNE) | 1.7 GWh | May 2014 | Dec 2025 | Solar |
| Dudley River 3 Solar, LLC CSG | 38 Degrees North, LLC | Southbridge, MA | ISO New England (ISNE) | 1.7 GWh | Oct 2017 | Dec 2025 | Solar |
| Sturbridge Barn | LSE Ara LLC | Charlton, MA | ISO New England (ISNE) | 1.7 GWh | May 2018 | Dec 2025 | Solar |
| Town of Norfolk MA at Medway Branch | Luminace Solar Massachusetts, LLC | Norfolk, MA | ISO New England (ISNE) | 1.7 GWh | May 2012 | Dec 2025 | Solar |
| Whatley Renewables | Whatley Renewables, LLC | Whatley, MA | ISO New England (ISNE) | 1.7 GWh | Sep 2020 | Dec 2025 | Solar |
| Katama Farm | Clean Focus Yield, LLC | Edgartown, MA | ISO New England (ISNE) | 1.6 GWh | May 2014 | Dec 2025 | Solar |
| Rockland Solar CSG | MN8 Energy LLC | Rockland, MA | ISO New England (ISNE) | 1.6 GWh | Nov 2013 | Dec 2025 | Solar |
| Dudley River Solar, LLC CSG | 38 Degrees North, LLC | Southbridge, MA | ISO New England (ISNE) | 1.6 GWh | Oct 2017 | Dec 2025 | Solar |
| Palombo B Solar, LLC CSG | 38 Degrees North, LLC | Uxbridge, MA | ISO New England (ISNE) | 1.6 GWh | Nov 2017 | Dec 2025 | Solar |
| Millbury MA #1092 | Millbury MA #1092 LLC | Millbury, MA | ISO New England (ISNE) | 1.6 GWh | May 2019 | Dec 2025 | Solar |
| Norton | Madison Energy Holdings LLC | Norton, MA | ISO New England (ISNE) | 1.6 GWh | Feb 2023 | Dec 2025 | Solar |
| GSPP NESV, LLC | Green Street Power Partners | Attleboro, MA | ISO New England (ISNE) | 1.6 GWh | Feb 2023 | Dec 2025 | Solar |
| Dorchester Solar Site | Massachusetts Electric Co | Dorchester, MA | ISO New England (ISNE) | 1.6 GWh | Dec 2011 | Dec 2025 | Solar |
| Farley Road Community Solar | Farley Road Solar, LLC | Dudley, MA | ISO New England (ISNE) | 1.6 GWh | Jul 2017 | Dec 2025 | Solar |
| Blair Wire Village Solar, LLC CSG | 38 Degrees North, LLC | Spencer, MA | ISO New England (ISNE) | 1.6 GWh | Nov 2017 | Dec 2025 | Solar |
| Dudley River 2 Solar, LLC CSG | 38 Degrees North, LLC | Southbridge, MA | ISO New England (ISNE) | 1.6 GWh | Oct 2017 | Dec 2025 | Solar |
| BWC Wading River One, Two, Three CSG | Ameresco BWC Wading River LLC | Mendon, MA | ISO New England (ISNE) | 1.6 GWh | Oct 2017 | Dec 2025 | Solar |
| NFM Solar Power LLC | FirstLight Power Resources, Inc. - MA | Northfield, MA | ISO New England (ISNE) | 1.6 GWh | Feb 2012 | Dec 2025 | Solar |
| ZPD-PT Solar Project 2017-021 LLC Hybrid | AES Distributed Energy | Wilbraham, MA | ISO New England (ISNE) | 1.6 GWh | Dec 2020 | Dec 2025 | Solar |
| 154 D Fisher | Greenbacker Renewable Energy Corporation | Middleborough, MA | ISO New England (ISNE) | 1.6 GWh | Nov 2015 | Dec 2025 | Solar |
| St. Joseph's Solar, LLC CSG | 38 Degrees North, LLC | Charlton, MA | ISO New England (ISNE) | 1.6 GWh | Nov 2017 | Dec 2025 | Solar |
| Freetown MA 1, LLC | Navisun LLC | Freetown, MA | ISO New England (ISNE) | 1.6 GWh | Nov 2022 | Dec 2025 | Solar |
| Sunderland Solar PV | NSTAR Electric Company | Sunderland, MA | ISO New England (ISNE) | 1.6 GWh | Aug 2018 | Dec 2025 | Solar |
| Barton Acres Solar, LLC CSG | 38 Degrees North, LLC | Phillipston, MA | ISO New England (ISNE) | 1.6 GWh | Sep 2017 | Dec 2025 | Solar |
| Onset East Community Solar Facility | Kearsarge Onset LLC | Wareham, MA | ISO New England (ISNE) | 1.6 GWh | Mar 2016 | Dec 2025 | Solar |
| Onset West Community Solar Facility | Kearsarge Onset LLC | Wareham, MA | ISO New England (ISNE) | 1.6 GWh | Mar 2016 | Dec 2025 | Solar |
| Brewster Landfill | Clean Focus Yield, LLC | Brewster, MA | ISO New England (ISNE) | 1.6 GWh | Aug 2014 | Dec 2025 | Solar |
| Woodchuck Solar, LLC CSG | 38 Degrees North, LLC | Spencer, MA | ISO New England (ISNE) | 1.5 GWh | Nov 2017 | Dec 2025 | Solar |
| Plymouth Solar | NSTAR Electric Company | Plymouth, MA | ISO New England (ISNE) | 1.5 GWh | May 2018 | Dec 2025 | Solar |
| 115 G Fisher | Greenbacker Renewable Energy Corporation | Middleborough, MA | ISO New England (ISNE) | 1.5 GWh | Sep 2015 | Dec 2025 | Solar |
| Pittsfield 44 - M&W PV | NSTAR Electric Company | Pittsfield, MA | ISO New England (ISNE) | 1.5 GWh | Jul 2018 | Dec 2025 | Solar |
| Lilly Lane | LSE Chamaeleon LLC | Charlton, MA | ISO New England (ISNE) | 1.5 GWh | May 2018 | Oct 2025 | Solar |
| Millis MA 1 | Millis MA 1 LLC | Millis, MA | ISO New England (ISNE) | 1.5 GWh | Oct 2018 | Dec 2025 | Solar |
| Brookfield Wire Company | Dynamic Energy Solutions, LLC | Brookfield, MA | ISO New England (ISNE) | 1.5 GWh | May 2016 | Dec 2025 | Solar |
| Westport MA 2 Community Solar | Navisun LLC | Westport, MA | ISO New England (ISNE) | 1.5 GWh | Aug 2016 | Dec 2025 | Solar |
| Nolan | LSE Crater LLC | Great Barrington, MA | ISO New England (ISNE) | 1.5 GWh | Oct 2017 | Dec 2024 | Solar |
| Tisbury Landfill Solar | Clean Focus Yield, LLC | Tisbury, MA | ISO New England (ISNE) | 1.5 GWh | Jun 2014 | Dec 2025 | Solar |
| Kearsarge Upper Union | Kearsarge Upper Union LLC | Franklin, MA | ISO New England (ISNE) | 1.5 GWh | Feb 2023 | Dec 2025 | Solar |
| Cherry Valley Solar, LLC CSG | 38 Degrees North, LLC | Leicester, MA | ISO New England (ISNE) | 1.5 GWh | Oct 2017 | Dec 2025 | Solar |
| Methuen Landfill | CleanCapital Holdings | Methuen, MA | ISO New England (ISNE) | 1.5 GWh | Jun 2013 | Dec 2025 | Solar |
| JH Solar, LLC CSG | 38 Degrees North, LLC | North Brookfield, MA | ISO New England (ISNE) | 1.5 GWh | Oct 2017 | Dec 2025 | Solar |
| Erving CSG | Erving Poplar Mountain Solar 1, LLC | Erving, MA | ISO New England (ISNE) | 1.5 GWh | Aug 2020 | Dec 2025 | Solar |
| Boston Scientific Solar | RWE Clean Energy | Quincy, MA | ISO New England (ISNE) | 1.5 GWh | Nov 2012 | Dec 2025 | Solar |
| Cohasse Solar, LLC CSG | 38 Degrees North, LLC | Southbridge, MA | ISO New England (ISNE) | 1.5 GWh | Sep 2017 | Dec 2025 | Solar |
| WYM 1250 Palmer LLC | CVI CleanCapital Solar 6 | Palmer, MA | ISO New England (ISNE) | 1.5 GWh | Aug 2013 | Dec 2025 | Solar |
| Holliston Solar CSG | MN8 Energy LLC | Holliston, MA | ISO New England (ISNE) | 1.5 GWh | Jun 2015 | Dec 2025 | Solar |
| State Street Solar LLC | CVI CleanCapital Solar 1 LLC | Palmer, MA | ISO New England (ISNE) | 1.5 GWh | Mar 2014 | Dec 2025 | Solar |
| Antanavica Solar | SunStrong Management, LLC | Leicester, MA | ISO New England (ISNE) | 1.4 GWh | Jul 2018 | Dec 2024 | Solar |
| Redbrook Community Solar 1 | Redbrook Solar 1, LLC | Plympton, MA | ISO New England (ISNE) | 1.4 GWh | Sep 2017 | Dec 2025 | Solar |
| Rochester MA 2 | Rochester MA 2 LLC | Rochester, MA | ISO New England (ISNE) | 1.4 GWh | Nov 2018 | Dec 2025 | Solar |
| Browne Solar LLC | CVI CleanCapital Solar 1 LLC | Palmer, MA | ISO New England (ISNE) | 1.4 GWh | Mar 2014 | Dec 2025 | Solar |
| Indian Hill Solar LLC | CVI CleanCapital Solar 1 LLC | Palmer, MA | ISO New England (ISNE) | 1.4 GWh | Mar 2014 | Dec 2025 | Solar |
| Syncarpha Hancock III CSG | Syncarpha Hancock III, LLC | Pittsfield, MA | ISO New England (ISNE) | 1.4 GWh | Oct 2017 | Dec 2025 | Solar |
| DG Tufts Science LLC CSG | DG Tufts Science, LLC | North Grafton, MA | ISO New England (ISNE) | 1.4 GWh | Jan 2017 | Dec 2025 | Solar |
| Belchertown | Altus Power America Management, LLC | Belchertown, MA | ISO New England (ISNE) | 1.4 GWh | Nov 2015 | Dec 2025 | Solar |
| Barre Solar III LLC | AES Distributed Energy | Barre, MA | ISO New England (ISNE) | 1.4 GWh | Feb 2018 | Dec 2025 | Solar |
| 15 Lincoln | Madison Energy Investments LLC | Norfolk, MA | ISO New England (ISNE) | 1.4 GWh | Nov 2022 | Dec 2025 | Solar |
| Ledeaux Solar, LLC CSG | 38 Degrees North, LLC | North Brookfield, MA | ISO New England (ISNE) | 1.4 GWh | Oct 2017 | Dec 2025 | Solar |
| Oakdale Power Station | Massachusetts Water Res Auth | West Boylston, MA | ISO New England (ISNE) | 1.4 GWh | Apr 1951 | Dec 2025 | Water |
| Big George PV CSG | Altus Power America Management, LLC | Plymouth, MA | ISO New England (ISNE) | 1.4 GWh | Aug 2018 | Dec 2025 | Solar |
| Charlestown Wind Turbine | MWRA Charlestown | Charlestown, MA | ISO New England (ISNE) | 1.3 GWh | Sep 2011 | Dec 2025 | Wind |
| Pleasantdale Road Community Solar | Pleasantdale Road Solar, LLC | Rutland, MA | ISO New England (ISNE) | 1.3 GWh | Aug 2017 | Dec 2025 | Solar |
| East Brookfield Main Street Solar LLC CS | AES Distributed Energy | East Brookfield, MA | ISO New England (ISNE) | 1.3 GWh | Nov 2020 | Dec 2025 | Solar |
| Shirley Landfill | Altus Power America Management, LLC | Shirley, MA | ISO New England (ISNE) | 1.3 GWh | Apr 2017 | Dec 2025 | Solar |
| 265 Pleasant Solar NG, LLC | NuGen Capital Management | Lunenburg, MA | ISO New England (ISNE) | 1.3 GWh | Jun 2014 | Dec 2025 | Solar |
| BWC Origination 8 LLC Sturbridge 2 | BWC Origination 8 LLC Sturbridge 2 LLC | Sturbridge, MA | ISO New England (ISNE) | 1.3 GWh | Aug 2017 | Dec 2025 | Solar |
| Braintree Landfill Solar | Ameresco, Inc - Braintree | Braintree, MA | ISO New England (ISNE) | 1.3 GWh | Nov 2014 | Dec 2025 | Solar |
| Town of East Bridgewater CSG | Tesla Inc. | East Bridgewater, MA | ISO New England (ISNE) | 1.3 GWh | May 2013 | 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 |