Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Hadley 3 Solar (North) | Hadley 3 Solar, LLC (North) | Hadley, MA | ISO New England (ISNE) | 2.7 GWh | Nov 2019 | Dec 2024 | Solar |
| Falmouth 2 Solar | Citizens Enterprises Corporation | Falmouth, MA | ISO New England (ISNE) | 2.7 GWh | Aug 2021 | Dec 2024 | Solar |
| Syncarpha Halifax Hybrid CSG | Syncarpha Halifax, LLC | Halifax, MA | ISO New England (ISNE) | 2.7 GWh | Nov 2020 | Dec 2023 | Solar : 99.0% |
| Centaurus Solar - MA | LSE Centaurus LLC | Ashland, MA | ISO New England (ISNE) | 2.7 GWh | Oct 2016 | Dec 2024 | Solar |
| Winchendon Landfill Solar | Onyx Asset Services Group | Winchendon, MA | ISO New England (ISNE) | 2.8 GWh | Sep 2018 | Dec 2024 | Solar |
| Kearsarge Acushnet | Kearsarge Acushnet LLC | Acushnet, MA | ISO New England (ISNE) | 2.8 GWh | Jan 2020 | Dec 2024 | Solar |
| Seaboard Sheffield, LLC | Navisun LLC | Sheffield, MA | ISO New England (ISNE) | 2.8 GWh | Mar 2021 | Dec 2023 | Solar |
| Stone Hill Solar CSG | MN8 Energy LLC | North Easton, MA | ISO New England (ISNE) | 2.8 GWh | Jun 2014 | Dec 2024 | Solar |
| Hopkinton CSG | Altus Power America Management, LLC | Hopkinton, MA | ISO New England (ISNE) | 2.8 GWh | Mar 2019 | Dec 2024 | Solar |
| Ayers Village Solar | Altus Power America Management, LLC | Methuen, MA | ISO New England (ISNE) | 2.8 GWh | May 2014 | Dec 2023 | Solar |
| Truck Stop | LSE Corona Austrina LLC | West Stockridge, MA | ISO New England (ISNE) | 2.8 GWh | Oct 2017 | Dec 2024 | Solar |
| Town of Otis Wind Energy Project | Town of Otis | Otis, MA | ISO New England (ISNE) | 2.8 GWh | Feb 2018 | Dec 2023 | Wind |
| Dudley Solar CSG | Dudley Solar, LLC | Dudley, MA | ISO New England (ISNE) | 2.8 GWh | Jul 2017 | Dec 2024 | Solar |
| Carver MA 1 Community Solar | Navisun LLC | Carver, MA | ISO New England (ISNE) | 2.8 GWh | Aug 2016 | Dec 2023 | Solar |
| Curtis Hill Solar CSG | CCC Solar Holdings LLC | Charlton, MA | ISO New England (ISNE) | 2.8 GWh | Sep 2016 | Dec 2024 | Solar |
| Stetson Road Solar - Barre I | Kearsarge Solar LLC | Barre, MA | ISO New England (ISNE) | 2.8 GWh | Apr 2014 | Dec 2024 | Solar |
| 205 Sturbridge A | Altus Power America Management, LLC | Brimfield, MA | ISO New England (ISNE) | 2.9 GWh | May 2014 | Dec 2024 | Solar |
| Easthampton Landfill-City of Easthampton | CleanCapital Holdings | Easthampton, MA | ISO New England (ISNE) | 2.9 GWh | May 2012 | Dec 2024 | Solar |
| Weston Landfill Solar | Ameresco, Inc - Weston | Weston, MA | ISO New England (ISNE) | 2.9 GWh | Feb 2016 | Dec 2024 | Solar |
| Fairview Farms Solar | NuGen Capital Management | Whately, MA | ISO New England (ISNE) | 2.9 GWh | May 2014 | Dec 2024 | Solar |
| Fairhaven C CSG | MN8 Energy LLC | Fairhaven, MA | ISO New England (ISNE) | 2.9 GWh | Apr 2017 | Dec 2024 | Solar |
| DG Tufts Knoll LLC CSG | DG Tufts Knoll, LLC | North Grafton, MA | ISO New England (ISNE) | 2.9 GWh | Jul 2017 | Dec 2024 | Solar |
| Cycz Solar Project CSG Hybrid | AES Distributed Energy | Spencer, MA | ISO New England (ISNE) | 2.9 GWh | May 2020 | Dec 2024 | Solar |
| Harbor Road Solar 1 | Harbor Road Solar 1, LLC | Cheshire, MA | ISO New England (ISNE) | 2.9 GWh | Nov 2021 | Dec 2024 | Solar |
| Hatfield Renewables Community Solar | Hatfield Renewables, LLC | Hatfield, MA | ISO New England (ISNE) | 2.9 GWh | Aug 2017 | Dec 2024 | Solar |
| KS Solar Six LLC | Kearsarge Solar LLC | Hubbardston, MA | ISO New England (ISNE) | 2.9 GWh | Nov 2013 | Dec 2024 | Solar |
| Greenfield Solar PV | NSTAR Electric Company | Greenfield, MA | ISO New England (ISNE) | 2.9 GWh | Dec 2018 | Dec 2024 | Solar |
| Hadley 2 Solar, LLC CSG | Hadley 2 Solar, LLC | Hadley, MA | ISO New England (ISNE) | 3.0 GWh | Nov 2016 | Dec 2024 | Solar |
| Williamsburg Solar LLC VNEM CSG | Tesla Inc. | Haydenville, MA | ISO New England (ISNE) | 3.0 GWh | Jan 2016 | Dec 2024 | Solar |
| Leominster | Syncarpha Massachusetts, LLC | Leominster, MA | ISO New England (ISNE) | 3.0 GWh | Apr 2015 | Dec 2024 | Solar |
| Hurteau Solar Project Hybrid | AES Distributed Energy | Uxbridge, MA | ISO New England (ISNE) | 3.0 GWh | Feb 2020 | Dec 2024 | Solar |
| Ashby Solar, LLC CSG | Ashby Solar, LLC | Fitchburg, MA | ISO New England (ISNE) | 3.0 GWh | Jun 2018 | Dec 2024 | Solar |
| West Tisbury Generating Facility | Vineyard Reliability LLC | West Tisbury, MA | ISO New England (ISNE) | 3.0 GWh | Dec 1974 | Dec 2024 | Distillate Fuel Oil |
| Sutton Solar CSG | Sutton Solar, LLC | Sutton, MA | ISO New England (ISNE) | 3.0 GWh | Oct 2016 | Dec 2024 | Solar |
| Rehoboth Solar | Citizens Enterprises Corporation | Rehoboth, MA | ISO New England (ISNE) | 3.0 GWh | Nov 2013 | Dec 2024 | Solar |
| Stafford St 2 Community Solar | Stafford St Solar 2, LLC | Lecister, MA | ISO New England (ISNE) | 3.1 GWh | Apr 2018 | Dec 2023 | Solar |
| Gardner Solar 1 | Gardner Solar 1, LLC | Gardner, MA | ISO New England (ISNE) | 3.1 GWh | Apr 2014 | Dec 2024 | Solar |
| Kearsarge Gill | Kearsarge Gill LLC | Gill, MA | ISO New England (ISNE) | 3.1 GWh | Dec 2017 | Dec 2024 | Solar |
| Hinsdale Solar PV | NSTAR Electric Company | Hinsdale, MA | ISO New England (ISNE) | 3.1 GWh | Dec 2018 | Dec 2024 | Solar |
| Chicopee River Solar | Citizens Enterprises Corporation | Springfield, MA | ISO New England (ISNE) | 3.1 GWh | Dec 2014 | Dec 2024 | Solar |
| Shirley Water | Altus Power America Management, LLC | Shirley, MA | ISO New England (ISNE) | 3.1 GWh | Jul 2016 | Dec 2024 | Solar |
| OSG Solar 1 LLC | Navisun LLC | Orange, MA | ISO New England (ISNE) | 3.1 GWh | Jun 2012 | Dec 2023 | Solar |
| Kearsarge 100 Sohier Rd | Kearsarge Beverly LLC | Beverly, MA | ISO New England (ISNE) | 3.1 GWh | Apr 2023 | Dec 2023 | Solar |
| Syncarpha Hancock I CSG | Syncarpha Hancock I, LLC | Hancock, MA | ISO New England (ISNE) | 3.1 GWh | Oct 2017 | Dec 2024 | Solar |
| Southampton Solar PV | NSTAR Electric Company | Southampton, MA | ISO New England (ISNE) | 3.1 GWh | Jan 2019 | Dec 2024 | Solar |
| Granby LFG | Industrial Power Services Corp. | Granby, MA | ISO New England (ISNE) | 3.1 GWh | Aug 2001 | Dec 2024 | Landfill Gas |
| Seaboard Charlton, LLC | Navisun LLC | Charlton, MA | ISO New England (ISNE) | 3.1 GWh | Nov 2020 | Dec 2023 | Solar |
| Sampson Road Community Solar | Sampson Road Solar, LLC | Charlton, MA | ISO New England (ISNE) | 3.1 GWh | Nov 2017 | Dec 2024 | Solar |
| Depot Hill Solar CSG | CCC Solar Holdings LLC | Charlton, MA | ISO New England (ISNE) | 3.1 GWh | Sep 2016 | Dec 2024 | Solar |
| Hadley 3 Solar (South) | Hadley 3 Solar, LLC (South) | Hadley, MA | ISO New England (ISNE) | 3.1 GWh | Nov 2019 | Dec 2024 | Solar |
| Wareham MA 1 Community Solar | Navisun LLC | Wareham, MA | ISO New England (ISNE) | 3.1 GWh | Aug 2016 | Dec 2023 | Solar |
| Monument Valley | LSE Lepus LLC | Great Barrington, MA | ISO New England (ISNE) | 3.1 GWh | Dec 2021 | Dec 2024 | Solar |
| Beverly | Integrys MA Solar, LLC | Beverly, MA | ISO New England (ISNE) | 3.2 GWh | Apr 2014 | Dec 2024 | Solar |
| CES Sterling LLC | SunEdison LLC | Sterling, MA | ISO New England (ISNE) | 3.2 GWh | Jan 2013 | Dec 2024 | Solar |
| Ashby Duffy CSG Solar Farm | LSE Cassiopeia LLC | Ashby, MA | ISO New England (ISNE) | 3.2 GWh | Nov 2017 | Dec 2024 | Solar |
| Partridge Hill Solar Hybrid | AES Distributed Energy | Charlton, MA | ISO New England (ISNE) | 3.2 GWh | Jun 2020 | Dec 2024 | Solar |
| CED Westfield Solar, LLC | Consolidated Edison Development Inc. | Westfield, MA | ISO New England (ISNE) | 3.2 GWh | Jul 2016 | Dec 2024 | Solar |
| Leominster (MA)-South Street-R&D | South Street Solar, LLC | Tewksbury, MA | ISO New England (ISNE) | 3.2 GWh | Nov 2013 | Dec 2024 | Solar |
| Bashaw Solar CSG 1, LLC | Bashaw Solar 1, LLC | Newbury, MA | ISO New England (ISNE) | 3.2 GWh | Mar 2017 | Dec 2024 | Solar |
| Washburn Road Solar | REA Investments, LLC | Freetown, MA | ISO New England (ISNE) | 3.2 GWh | Nov 2018 | Dec 2024 | Solar |
| Savoy Solar PV | NSTAR Electric Company | Savoy, MA | ISO New England (ISNE) | 3.2 GWh | Jan 2019 | Dec 2024 | Solar |
| GSPP Devens, LLC | Green Street Power Partners | Ayer, MA | ISO New England (ISNE) | 3.2 GWh | Dec 2018 | Dec 2024 | Solar |
| UMass PV Lot 22 | Consolidated Edison Development Inc. | Amherst, MA | ISO New England (ISNE) | 3.2 GWh | Aug 2022 | Dec 2024 | Solar |
| Syncarpha Hancock II CSG | Syncarpha Hancock II, LLC | Hancock, MA | ISO New England (ISNE) | 3.2 GWh | Oct 2017 | Dec 2024 | Solar |
| Griffin Road Solar, LLC CSG | Griffin Road Solar, LLC | Charlton, MA | ISO New England (ISNE) | 3.2 GWh | Feb 2018 | Dec 2024 | Solar |
| Spring Street Solar 1 CSG | Spring Street Solar 1, LLC | Carver, MA | ISO New England (ISNE) | 3.2 GWh | Feb 2017 | Dec 2024 | Solar |
| Kearsarge GB | Kearsarge GB LLC | Great Barrington, MA | ISO New England (ISNE) | 3.2 GWh | Jul 2018 | Dec 2024 | Solar |
| Brimfield | WEB Brimfield Solar LLC | Brimfield, MA | ISO New England (ISNE) | 3.3 GWh | Nov 2021 | Dec 2024 | Solar |
| Scituate PV | AES Distributed Energy | Scituate, MA | ISO New England (ISNE) | 3.3 GWh | Sep 2013 | Dec 2024 | Solar |
| Onyx - Pembroke Landfill Solar | Onyx Asset Services Group | Pembroke, MA | ISO New England (ISNE) | 3.3 GWh | Nov 2017 | Dec 2024 | Solar |
| Kearsarge Montague BD(CSG) | Kearsarge Montague BD LLC | Montague, MA | ISO New England (ISNE) | 3.3 GWh | Oct 2021 | Dec 2023 | Solar |
| Cronin Road Solar 1, LLC CSG Hybrid | AES Distributed Energy | Warren, MA | ISO New England (ISNE) | 3.3 GWh | May 2020 | Dec 2024 | Solar |
| Rail Trail | Altus Power America Management, LLC | Great Barrington, MA | ISO New England (ISNE) | 3.3 GWh | Apr 2016 | Dec 2024 | Solar |
| Monson Solar, LLC | Monson Solar, LLC | Monson, MA | ISO New England (ISNE) | 3.3 GWh | Jul 2017 | Dec 2024 | Solar |
| Town of Needham VNEM CSG | Tesla Inc. | Needham, MA | ISO New England (ISNE) | 3.3 GWh | Jan 2016 | Dec 2024 | Solar |
| Ludlow Landfill | CleanCapital Holdings | Ludlow, MA | ISO New England (ISNE) | 3.4 GWh | Jul 2013 | Dec 2024 | Solar |
| Padelford Solar | Consolidated Edison Solutions Inc. | Berkley, MA | ISO New England (ISNE) | 3.4 GWh | Nov 2012 | Dec 2024 | Solar |
| Dartmouth II Solar | Consolidated Edison Development Inc. | Dartmouth, MA | ISO New England (ISNE) | 3.4 GWh | May 2012 | Dec 2024 | Solar |
| Palombo Solar, LLC CSG | 38 Degrees North, LLC | Uxbridge, MA | ISO New England (ISNE) | 3.4 GWh | Nov 2017 | Dec 2024 | Solar |
| Upton Community Solar | Upton Solar, LLC | Upton, MA | ISO New England (ISNE) | 3.4 GWh | Aug 2017 | Dec 2024 | Solar |
| East Bridgewater Solar | Altus Power America Management, LLC | East Bridgewater, MA | ISO New England (ISNE) | 3.4 GWh | Oct 2017 | Dec 2024 | Solar |
| Kearsarge Uxbridge | Kearsarge Uxbridge LLC | Uxbridge, MA | ISO New England (ISNE) | 3.4 GWh | Aug 2018 | Dec 2024 | Solar |
| Downing Parkway Solar | Downing Parkway Solar LLC | Pittsfield, MA | ISO New England (ISNE) | 3.4 GWh | Jun 2015 | Dec 2024 | Solar |
| Ward Solar 1, LLC | REA Investments, LLC | Carver, MA | ISO New England (ISNE) | 3.4 GWh | Jan 2019 | Dec 2024 | Solar |
| Southern Sky Renew Energy Berkley LLC | Southern Sky Renewable Energy Berkley, LLC | Berkley, MA | ISO New England (ISNE) | 3.4 GWh | May 2014 | Dec 2024 | Solar |
| Northbridge Solar | Consolidated Edison Development Inc. | South Grafton, MA | ISO New England (ISNE) | 3.4 GWh | Jul 2013 | Dec 2024 | Solar |
| Hunt Farm Solar | Altus Power America Management, LLC | Orange, MA | ISO New England (ISNE) | 3.4 GWh | Aug 2013 | Dec 2024 | Solar |
| Charlemont A | Charlemont MA, LLC | Charlemont, MA | ISO New England (ISNE) | 3.4 GWh | Aug 2021 | Dec 2023 | Solar |
| Brook Street Solar 1 CSG | Brook Street Solar 1, LLC | Plympton, MA | ISO New England (ISNE) | 3.4 GWh | Jul 2017 | Dec 2024 | Solar |
| Fairhaven E | Fairhaven MA 1, LLC | Fairhaven, MA | ISO New England (ISNE) | 3.4 GWh | Jul 2021 | Dec 2024 | Solar |
| Plainfield Community Solar LLC | Plainfield Solar LLC | Plainfield, MA | ISO New England (ISNE) | 3.4 GWh | Jan 2019 | Dec 2024 | Solar |
| Hadley Solar NG, LLC | NuGen Capital Management | Hadley, MA | ISO New England (ISNE) | 3.4 GWh | Jun 2014 | Dec 2024 | Solar |
| Adams Farm Solar | Altus Power America Management, LLC | Athol, MA | ISO New England (ISNE) | 3.4 GWh | Sep 2013 | Dec 2024 | Solar |
| Bowden Solar LLC | 38DN Power Fund 1 LLC | Monson, MA | ISO New England (ISNE) | 3.4 GWh | Feb 2019 | Dec 2024 | Solar |
| Integrys MA Solar, LLC - Ashburnham Site | Integrys MA Solar, LLC | Ashburnham, MA | ISO New England (ISNE) | 3.5 GWh | Nov 2013 | Dec 2024 | Solar |
| AIS Solar Project | Terraform Arcadia | Leominster, MA | ISO New England (ISNE) | 3.5 GWh | Nov 2016 | Dec 2024 | Solar |
| MDFA Devens-Saratoga | Terraform Arcadia | Devens, MA | ISO New England (ISNE) | 3.5 GWh | Feb 2016 | Dec 2024 | Solar |
| GELD Solar Farm | Ameresco, Inc - GELD | Groton, MA | ISO New England (ISNE) | 3.5 GWh | May 2016 | Dec 2024 | Solar |
| Acushnet- High Hill | CleanCapital Holdings | Dartmouth, MA | ISO New England (ISNE) | 3.5 GWh | Feb 2013 | Dec 2024 | Solar |
| North Adams Landfill | Syncarpha North Adams, LLC | North Adams, MA | ISO New England (ISNE) | 3.5 GWh | Sep 2015 | Dec 2024 | Solar |
Browse Power Plants By Massachusetts Counties
Figures are based on December 2024 generation numbers.| County | State Rank | Active Plants | Dec 2024 Generation |
|---|---|---|---|
| Dukes County, MA | # 13 | 7 | 9.9 GWh |
| Berkshire County, MA | # 12 | 44 | 73.1 GWh |
| Hampshire County, MA | # 11 | 37 | 142.3 GWh |
| Franklin County, MA | # 10 | 33 | 294.6 GWh |
| Barnstable County, MA | # 9 | 22 | 378.3 GWh |
| Suffolk County, MA | # 8 | 13 | 456.2 GWh |
| Bristol County, MA | # 7 | 70 | 765.7 GWh |
| County | State Rank | Active Plants | Dec 2024 Generation |
|---|---|---|---|
| Plymouth County, MA | # 6 | 82 | 868.7 GWh |
| Hampden County, MA | # 5 | 86 | 1.8 TWh |
| Essex County, MA | # 4 | 39 | 2.1 TWh |
| Middlesex County, MA | # 3 | 68 | 3.8 TWh |
| Worcester County, MA | # 2 | 190 | 4.0 TWh |
| Norfolk County, MA | # 1 | 38 | 7.1 TWh |