Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Granby LFG | Industrial Power Services Corp. | Granby, MA | ISO New England (ISNE) | 3.1 GWh | Aug 2001 | Dec 2024 | Landfill Gas |
| Kearsarge Granby | Kearsarge Granby LLC | Granby, MA | ISO New England (ISNE) | 3.6 GWh | Feb 2017 | Dec 2024 | Solar |
| Grafton Solar | CD US Solar MT 2 LLC | Grafton, MA | ISO New England (ISNE) | 2.0 GWh | Sep 2013 | Dec 2024 | Solar |
| BlueWave Capital - Grafton (SREC II) | TerraForm Solar XVII, LLC | Grafton, MA | ISO New England (ISNE) | 1.8 GWh | Feb 2015 | Dec 2024 | Solar |
| Grafton PV | MN8 Energy LLC | Grafton, MA | ISO New England (ISNE) | 4.5 GWh | Sep 2016 | Dec 2024 | Solar |
| Williamsburg | AES Distributed Energy | Goshen, MA | ISO New England (ISNE) | 6.6 GWh | Jun 2019 | Dec 2024 | Solar |
| Kearsarge Gill | Kearsarge Gill LLC | Gill, MA | ISO New England (ISNE) | 3.1 GWh | Dec 2017 | Dec 2024 | Solar |
| Dept of Corrections NCCI Wind | Dept of Corrections NCCI Wind | Gardner, MA | ISO New England (ISNE) | 5.3 GWh | Oct 2013 | Mar 2025 | Wind |
| West Street Solar 1 LLC | AES Distributed Energy | Gardner, MA | ISO New England (ISNE) | 8.7 GWh | Nov 2019 | Dec 2024 | Solar |
| Gardner Solar 1 | Gardner Solar 1, LLC | Gardner, MA | ISO New England (ISNE) | 3.1 GWh | Apr 2014 | Dec 2024 | Solar |
| Clark Road Solar 1, LLC | Clark Road Solar 1, LLC | Gardner, MA | ISO New England (ISNE) | 8.3 GWh | Nov 2020 | Dec 2023 | Solar |
| Gardner - Otter River Road | Otter River Road Solar LLC | Gardner, MA | ISO New England (ISNE) | 4.2 GWh | Sep 2019 | Dec 2024 | Solar |
| Mt Wachusett Community College | Mt Wachusett Community College | Gardner, MA | ISO New England (ISNE) | 4.9 GWh | Feb 2011 | Mar 2025 | Wind |
| Braley Road 2 | Mass Solar, LLC | Freetown, MA | ISO New England (ISNE) | 1.6 GWh | Feb 2015 | Dec 2024 | Solar |
| Syncarpha Freetown | Marie's Way Solar I, LLC | Freetown, MA | ISO New England (ISNE) | 6.2 GWh | Oct 2016 | Dec 2024 | Solar |
| Freetown Solar | Mass Solar, LLC | Freetown, MA | ISO New England (ISNE) | 5.9 GWh | Feb 2015 | Dec 2024 | Solar |
| Freetown MA 1, LLC | Navisun LLC | Freetown, MA | ISO New England (ISNE) | 1.1 GWh | Nov 2022 | Dec 2023 | Solar |
| Bullock Road Solar 1 | Bullock Road Solar 1, LLC | Freetown, MA | ISO New England (ISNE) | 3.5 GWh | Jun 2018 | Dec 2024 | Solar |
| Washburn Road Solar | REA Investments, LLC | Freetown, MA | ISO New England (ISNE) | 3.2 GWh | Nov 2018 | Dec 2024 | Solar |
| Acushnet-Braley Road 1 | CleanCapital Holdings | Freetown, MA | ISO New England (ISNE) | 2.3 GWh | Dec 2012 | Dec 2024 | Solar |
| Kearsarge Upper Union | Kearsarge Upper Union LLC | Franklin, MA | ISO New England (ISNE) | 1.6 GWh | Feb 2023 | Dec 2024 | Solar |
| Franklin 2 | CD US Solar MT 2 LLC | Franklin, MA | ISO New England (ISNE) | 5.4 GWh | Nov 2013 | Dec 2024 | Solar |
| 126 Grove Solar LLC | Altus Power America Management, LLC | Franklin, MA | ISO New England (ISNE) | 1.6 GWh | May 2012 | Dec 2024 | Solar |
| Exelon Framingham LLC | Constellation Power, Inc | Framingham, MA | ISO New England (ISNE) | 273.0 MWh | Aug 1969 | Dec 2024 | Distillate Fuel Oil |
| Framingham State University Plant | Framingham State University | Framingham, MA | ISO New England (ISNE) | 74.0 MWh | May 1974 | Mar 2025 | Solar : 67.6% Distillate Fuel Oil : 32.4% |
| DDR Shoppers World | Altus Power America Management, LLC | Framingham, MA | ISO New England (ISNE) | 1.9 GWh | Oct 2017 | Dec 2024 | Solar |
| DG Foxborough Elm CSG | DG Foxborough Elm LLC | Foxborough, MA | ISO New England (ISNE) | 4.1 GWh | Jul 2017 | Dec 2023 | Solar |
| Town of Foxborough - Landfill (SREC II) | Town of Foxborough - Landfill (SREC II) | Foxborough, MA | ISO New England (ISNE) | 1.9 GWh | Jul 2017 | Dec 2024 | Solar |
| One Patriot | Bloom Energy | Foxborough, MA | ISO New England (ISNE) | 16.3 GWh | Nov 2019 | Dec 2024 | Natural Gas |
| Deerfield 5 | Great River Hydro, LLC | Florida, MA | ISO New England (ISNE) | 42.1 GWh | Sep 1974 | Dec 2024 | Water |
| New England Wind LLC | Avangrid Power LLC | Florida, MA | ISO New England (ISNE) | 70.0 GWh | Nov 2012 | Mar 2025 | Wind |
| Fife Brook | Bear Swamp Power Company LLC | Florida, MA | ISO New England (ISNE) | 29.5 GWh | Sep 1974 | Oct 2024 | Water |
| Ashby Solar, LLC CSG | Ashby Solar, LLC | Fitchburg, MA | ISO New England (ISNE) | 3.0 GWh | Jun 2018 | Dec 2024 | Solar |
| Fitchburg Renewables | Fitchburg Renewables, LLC | Fitchburg, MA | ISO New England (ISNE) | 6.4 GWh | Feb 2020 | Dec 2024 | Solar |
| Blacksmith Road Solar 1 | Blacksmith Road Solar 1, LLC | Falmouth, MA | ISO New England (ISNE) | 8.4 GWh | Nov 2021 | Dec 2023 | Solar |
| Falmouth Landfill Solar | Citizens Enterprises Corporation | Falmouth, MA | ISO New England (ISNE) | 4.9 GWh | Mar 2017 | Dec 2024 | Solar |
| Falmouth 2 Solar | Citizens Enterprises Corporation | Falmouth, MA | ISO New England (ISNE) | 2.7 GWh | Aug 2021 | Dec 2024 | Solar |
| Fall River Solar CSG | MN8 Energy LLC | Fall River, MA | ISO New England (ISNE) | 2.5 GWh | Jan 2013 | Dec 2024 | Solar |
| Fairhaven E | Fairhaven MA 1, LLC | Fairhaven, MA | ISO New England (ISNE) | 3.4 GWh | Jul 2021 | Dec 2024 | Solar |
| Fairhaven C CSG | MN8 Energy LLC | Fairhaven, MA | ISO New England (ISNE) | 2.9 GWh | Apr 2017 | Dec 2024 | Solar |
| Fairhaven Wind | Fairhaven Wind LLC | Fairhaven, MA | ISO New England (ISNE) | 3.7 GWh | Mar 2012 | Dec 2024 | Wind |
| Fairhaven MA 2 | Consolidated Edison Development Inc. | Fairhaven, MA | ISO New England (ISNE) | 4.5 GWh | Aug 2021 | Dec 2024 | Solar |
| French King Solar LLC | French King Solar LLC | Erving, MA | ISO New England (ISNE) | 7.8 GWh | Oct 2022 | Dec 2024 | Solar |
| Erving CSG | Erving Poplar Mountain Solar 1, LLC | Erving, MA | ISO New England (ISNE) | 1.5 GWh | Aug 2020 | Dec 2024 | Solar |
| Erving Paper Mills | Erving Paper Mills Inc | Erving, MA | ISO New England (ISNE) | 42.8 GWh | Nov 2013 | Mar 2025 | Natural Gas : 98.0% Distillate Fuel Oil : 2.0% |
| Katama Farm | Clean Focus Yield, LLC | Edgartown, MA | ISO New England (ISNE) | 1.5 GWh | May 2014 | Dec 2024 | Solar |
| Nunnepog | Clean Focus Yield, LLC | Edgartown, MA | ISO New England (ISNE) | 1.7 GWh | May 2014 | Dec 2024 | Solar |
| Easton Landfill | CleanCapital Holdings | Easton, MA | ISO New England (ISNE) | 2.5 GWh | Sep 2013 | Dec 2024 | Solar |
| Beacon Solar, LLC | Beacon Solar, LLC | Easthampton, MA | ISO New England (ISNE) | 4.4 GWh | Oct 2022 | Dec 2023 | Solar |
| Easthampton Landfill-City of Easthampton | CleanCapital Holdings | Easthampton, MA | ISO New England (ISNE) | 2.9 GWh | May 2012 | Dec 2024 | Solar |
| Easthampton CSG | Easthampton Park Solar 1, LLC | Easthampton, MA | ISO New England (ISNE) | 3.6 GWh | Aug 2020 | Dec 2024 | Solar |
| East Longmeadow Solar PV | NSTAR Electric Company | East Longmeadow, MA | ISO New England (ISNE) | 5.2 GWh | Sep 2019 | Dec 2024 | Solar |
| 301 Chestnut Solar NG | NuGen Capital Management | East Longmeadow, MA | ISO New England (ISNE) | 2.4 GWh | Mar 2017 | Dec 2024 | Solar |
| Vuelta Solar | NuGen Capital Management | East Brookfield, MA | ISO New England (ISNE) | 6.6 GWh | Dec 2015 | Dec 2024 | Solar |
| Old Wardour Solar | NuGen Capital Management | East Brookfield, MA | ISO New England (ISNE) | 6.6 GWh | Dec 2015 | Dec 2024 | Solar |
| East Brookfield Adams Road Solar LLC CSG | East Brookfield Adams Road Solar LLC | East Brookfield, MA | ISO New England (ISNE) | 7.4 GWh | May 2021 | Dec 2023 | Solar |
| East Brookfield Main Street Solar LLC CS | AES Distributed Energy | East Brookfield, MA | ISO New England (ISNE) | 1.6 GWh | Nov 2020 | Nov 2024 | Solar |
| Town of East Bridgewater CSG | Tesla Inc. | East Bridgewater, MA | ISO New England (ISNE) | 1.1 GWh | May 2013 | Dec 2023 | Solar |
| East Bridgewater Solar | Altus Power America Management, LLC | East Bridgewater, MA | ISO New England (ISNE) | 3.4 GWh | Oct 2017 | Dec 2024 | Solar |
| Notus Wind 1 | Notus Clean Energy LLC | E. Falmouth, MA | ISO New England (ISNE) | 4.3 GWh | Jun 2010 | Dec 2024 | Wind |
| Dunstable Solar 1, LLC | AES Distributed Energy | Dunstable, MA | ISO New England (ISNE) | 10.8 GWh | Mar 2021 | Dec 2024 | Solar |
| Dudley Solar CSG | Dudley Solar, LLC | Dudley, MA | ISO New England (ISNE) | 2.8 GWh | Jul 2017 | Dec 2024 | Solar |
| Dudley | AMP MA Dudley | Dudley, MA | ISO New England (ISNE) | 4.3 GWh | Jun 2018 | Dec 2024 | Solar |
| Farley Road Community Solar | Farley Road Solar, LLC | Dudley, MA | ISO New England (ISNE) | 1.7 GWh | Jul 2017 | Dec 2024 | Solar |
| Dover | BWC Buckmaster Pond LLC | Dover, MA | ISO New England (ISNE) | 1.7 GWh | Jul 2017 | Dec 2024 | Solar |
| ASD Wallum MA Solar LLC(CSG) | ASD Wallum MA Solar LLC | Douglas, MA | ISO New England (ISNE) | 7.0 GWh | Dec 2021 | Dec 2023 | Solar |
| Bellingham PV | Terraform Arcadia | Douglas, MA | ISO New England (ISNE) | 4.3 GWh | Sep 2013 | Dec 2024 | Solar |
| Douglas Solar | Consolidated Edison Development Inc. | Douglas, MA | ISO New England (ISNE) | 2.5 GWh | Nov 2012 | Dec 2024 | Solar |
| Dorchester Solar Site | Massachusetts Electric Co | Dorchester, MA | ISO New England (ISNE) | 1.5 GWh | Dec 2011 | Dec 2024 | Solar |
| UMass Boston | MSS Energy Holdings, LLC (d.b.a. Calibrant Energy) | Dorchester, MA | ISO New England (ISNE) | 659.0 MWh | Dec 1971 | Dec 2023 | Solar : 91.2% Distillate Fuel Oil : 8.8% |
| Elm Street | ISM Solar Dighton 3, LLC | Dighton, MA | ISO New England (ISNE) | 8.0 GWh | Nov 2020 | Dec 2023 | Solar |
| DG Dighton LLC CSG | DG Dighton, LLC | Dighton, MA | ISO New England (ISNE) | 6.0 GWh | Jun 2017 | Dec 2023 | Solar |
| Dighton Power Plant | Dighton Power, LLC | Dighton, MA | ISO New England (ISNE) | 358.4 GWh | Apr 1999 | Dec 2023 | Natural Gas |
| ISM Solar Dighton 2, LLC CSG | 38 Degrees North, LLC | Dighton, MA | ISO New England (ISNE) | 3.7 GWh | Nov 2017 | Dec 2024 | Solar |
| MA-Dighton-A | MA CS Dighton, LLC | Dighton, MA | ISO New England (ISNE) | 2.4 GWh | May 2024 | Dec 2024 | Solar |
| MDFA Devens-Saratoga | Terraform Arcadia | Devens, MA | ISO New England (ISNE) | 3.5 GWh | Feb 2016 | Dec 2024 | Solar |
| Dennis Landfill | Clean Focus Yield, LLC | Dennis, MA | ISO New England (ISNE) | 7.9 GWh | Aug 2014 | Dec 2024 | Solar |
| Deerfield CSG Solar | MN8 Energy LLC | Deerfield, MA | ISO New England (ISNE) | 6.3 GWh | Nov 2017 | Dec 2024 | Solar |
| Fisher Road Solar | Fisher Road Solar I, LLC | Dartmouth, MA | ISO New England (ISNE) | 7.8 GWh | Apr 2015 | Dec 2024 | Solar |
| Dartmouth Landfill | CleanCapital Holdings | Dartmouth, MA | ISO New England (ISNE) | 1.7 GWh | Jan 2013 | Dec 2024 | Solar |
| Acushnet- High Hill | CleanCapital Holdings | Dartmouth, MA | ISO New England (ISNE) | 3.5 GWh | Feb 2013 | Dec 2024 | Solar |
| Acushnet Hawes Reed Road | CleanCapital Holdings | Dartmouth, MA | ISO New England (ISNE) | 1.5 GWh | Jun 2012 | Dec 2024 | Solar |
| Ventura | Ventura Drive Dartmouth Solar 1, LLC | Dartmouth, MA | ISO New England (ISNE) | 1.8 GWh | May 2022 | Oct 2024 | Solar |
| Dartmouth Solar | Consolidated Edison Development Inc. | Dartmouth, MA | ISO New England (ISNE) | 2.0 GWh | Feb 2011 | Dec 2024 | Solar |
| Dartmouth Farms Solar | Dartmouth Farms Solar, LLC | Dartmouth, MA | ISO New England (ISNE) | 3.6 GWh | Oct 2017 | Dec 2024 | 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 |
| Dartmouth II Solar | Consolidated Edison Development Inc. | Dartmouth, MA | ISO New England (ISNE) | 3.4 GWh | May 2012 | Dec 2024 | Solar |
| Dartmouth | Mass Solar, LLC | Dartmouth, MA | ISO New England (ISNE) | 7.9 GWh | Mar 2014 | Dec 2024 | Solar |
| Dartmouth Power Associates LP | Morris Energy Operations Company, LLC | Dartmouth, MA | ISO New England (ISNE) | 63.0 GWh | Feb 1992 | Dec 2024 | Natural Gas : 99.7% |
| 401 South | Madison Energy Investments LLC | Dalton, MA | Southern Company Services, Inc. - Trans (SOCO) | 403.0 MWh | Nov 2023 | Dec 2024 | Solar |
| Deerfield 2 | Great River Hydro, LLC | Conway, MA | ISO New England (ISNE) | 29.2 GWh | Jul 1913 | Dec 2024 | Water |
| Kearsarge Concord II | Kearsarge Concord II LLC | Concord, MA | ISO New England (ISNE) | 6.9 GWh | Dec 2016 | Dec 2024 | Solar |
| Concord Solar Farm | Kearsarge Solar LLC | Concord, MA | ISO New England (ISNE) | 2.0 GWh | Mar 2014 | Dec 2024 | Solar |
| Cosgrove Intake and Power Station | Massachusetts Water Res Auth | Clinton, MA | ISO New England (ISNE) | 738.0 MWh | Dec 1968 | Dec 2024 | Water |
| Front Street | City of Chicopee - (MA) | Chicopee, MA | ISO New England (ISNE) | 497.0 MWh | Dec 1977 | Dec 2024 | Distillate Fuel Oil |
| Dwight | Central Rivers Power MA, LLC | Chicopee, MA | ISO New England (ISNE) | 6.3 GWh | Dec 1919 | Dec 2024 | Water |
| Chicopee Solar | Citizens Enterprises Corporation | Chicopee, MA | ISO New England (ISNE) | 4.6 GWh | Nov 2013 | Dec 2024 | Solar |
| CED Chicopee Solar | Consolidated Edison Development Inc. | Chicopee, MA | ISO New England (ISNE) | 4.8 GWh | Jun 2017 | Dec 2024 | Solar |
| Ameresco Chicopee Energy | AMERESCO Chicopee Energy LLC | Chicopee, MA | ISO New England (ISNE) | 9.5 GWh | Jan 2004 | Dec 2024 | Landfill Gas |
| Chicopee Granby Road Solar | Citizens Enterprises Corporation | Chicopee, MA | ISO New England (ISNE) | 2.2 GWh | Dec 2014 | 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 |