Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Hatfield Renewables Community Solar | Hatfield Renewables, LLC | Hatfield, MA | ISO New England (ISNE) | 2.9 GWh | Aug 2017 | 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 |
| Hadley 3 Solar (South) | Hadley 3 Solar, LLC (South) | Hadley, MA | ISO New England (ISNE) | 3.1 GWh | Nov 2019 | Dec 2024 | Solar |
| Hadley 3 Solar (North) | Hadley 3 Solar, LLC (North) | Hadley, MA | ISO New England (ISNE) | 2.7 GWh | Nov 2019 | 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 |
| Cranberry Solar | GWE Cranberry Solar RT, LLC | Middleborough, MA | ISO New England (ISNE) | 1.5 GWh | Nov 2016 | Dec 2024 | Solar |
| GSPP Boxborough Littleton (MA) | GSPP Boxborough Littleton, LLC | Boxborough, MA | ISO New England (ISNE) | 5.8 GWh | Dec 2018 | 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 |
| Griffin Road Solar 2 | Griffin Road Solar 2, LLC | Charlton, MA | ISO New England (ISNE) | 2.3 GWh | May 2020 | Dec 2024 | Solar |
| Holliston LLC | Greenbacker Renewable Energy Corporation | Holliston, MA | ISO New England (ISNE) | 2.0 GWh | Sep 2020 | Dec 2024 | Solar |
| Nextsun Energy Littleton | Greenbacker Renewable Energy Corporation | Littleton, MA | ISO New England (ISNE) | 5.3 GWh | Sep 2013 | Dec 2024 | Solar |
| Woburn | Greenbacker Renewable Energy Corporation | Woburn, MA | ISO New England (ISNE) | 2.1 GWh | Nov 2020 | Dec 2024 | Solar |
| Holiday Hill Community Wind | Greenbacker Renewable Energy Corporation | Russell, MA | ISO New England (ISNE) | 10.1 GWh | Nov 2019 | Dec 2024 | Wind |
| 115 G Fisher | Greenbacker Renewable Energy Corporation | Middleborough, MA | ISO New England (ISNE) | 1.5 GWh | Sep 2015 | Dec 2024 | Solar |
| 154 D Fisher | Greenbacker Renewable Energy Corporation | Middleborough, MA | ISO New England (ISNE) | 1.5 GWh | Nov 2015 | Dec 2024 | Solar |
| Norton LLC | Greenbacker Renewable Energy Corporation | Norton, MA | ISO New England (ISNE) | 4.0 GWh | Aug 2020 | Apr 2024 | Solar |
| GSPP Devens, LLC | Green Street Power Partners | Ayer, MA | ISO New England (ISNE) | 3.2 GWh | Dec 2018 | Dec 2024 | Solar |
| GSPP Terrawatt Westfield LLC CSG | Green Street Power Partners | Westfield, MA | ISO New England (ISNE) | 6.1 GWh | Jan 2019 | Dec 2024 | Solar |
| Ajax Solar, LLC (MA) | Green Street Power Partners | West Bridgewater, MA | ISO New England (ISNE) | 4.1 GWh | Nov 2017 | Dec 2024 | Solar |
| GSPP Raynham TMLP, LLC CSG | Green Street Power Partners | Raynham, MA | ISO New England (ISNE) | 3.6 GWh | Jan 2019 | Dec 2024 | Solar |
| GSPP NESV, LLC | Green Street Power Partners | Attleboro, MA | ISO New England (ISNE) | 1.6 GWh | Feb 2023 | Dec 2024 | Solar |
| Deerfield 2 | Great River Hydro, LLC | Conway, MA | ISO New England (ISNE) | 29.2 GWh | Jul 1913 | Dec 2024 | Water |
| Sherman | Great River Hydro, LLC | Rowe, MA | ISO New England (ISNE) | 26.5 GWh | Nov 1926 | Dec 2024 | Water |
| Deerfield 4 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 20.2 GWh | Jul 1912 | Dec 2024 | Water |
| Deerfield 3 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 25.0 GWh | Jul 1912 | Dec 2024 | Water |
| Deerfield 5 | Great River Hydro, LLC | Florida, MA | ISO New England (ISNE) | 42.1 GWh | Sep 1974 | Dec 2024 | Water |
| Granby Solar, LLC CSG | Granby Solar, LLC | Granby, MA | ISO New England (ISNE) | 6.1 GWh | Jun 2021 | Dec 2024 | Solar |
| Golden Hills Solar | Golden Hills Solar, LLC | Rutland, MA | ISO New England (ISNE) | 7.8 GWh | Aug 2017 | Dec 2024 | Solar |
| General Electric Aircraft Engines | General Electric Aircraft Engines | Lynn, MA | ISO New England (ISNE) | 2.5 GWh | Dec 1947 | Sep 2025 | Solar |
| Gardner Solar 1 | Gardner Solar 1, LLC | Gardner, MA | ISO New England (ISNE) | 3.1 GWh | Apr 2014 | 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 |
| CVEC Round 4 Brewster Captn Golf Course | Freemans Way Solar Project 2019, LLC | Brewster, MA | ISO New England (ISNE) | 1.1 GWh | Feb 2022 | Dec 2024 | Solar |
| Framingham State University Plant | Framingham State University | Framingham, MA | ISO New England (ISNE) | 41.0 MWh | May 1974 | Sep 2025 | Solar : 78.0% Distillate Fuel Oil : 22.0% |
| Fitchburg Renewables | Fitchburg Renewables, LLC | Fitchburg, MA | ISO New England (ISNE) | 6.4 GWh | Feb 2020 | 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 |
| Turners Falls | FirstLight Power Resources, Inc. - MA | Montague, MA | ISO New England (ISNE) | 12.4 GWh | Dec 1904 | Dec 2024 | Water |
| NFM Solar Power LLC | FirstLight Power Resources, Inc. - MA | Northfield, MA | ISO New England (ISNE) | 1.9 GWh | Feb 2012 | Dec 2024 | Solar |
| Cabot | FirstLight Power Resources, Inc. - MA | Montague, MA | ISO New England (ISNE) | 304.2 GWh | Dec 1914 | Dec 2024 | Water |
| Federal Road Solar 1, LLC CSG | Federal Road Solar 1, LLC | South Carver, MA | ISO New England (ISNE) | 7.6 GWh | Nov 2015 | 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 |
| Farley Road Community Solar | Farley Road Solar, LLC | Dudley, MA | ISO New England (ISNE) | 1.7 GWh | Jul 2017 | Dec 2024 | Solar |
| Fairhaven Wind | Fairhaven Wind LLC | Fairhaven, MA | ISO New England (ISNE) | 3.7 GWh | Mar 2012 | Dec 2024 | Wind |
| Fairhaven E | Fairhaven MA 1, LLC | Fairhaven, MA | ISO New England (ISNE) | 3.4 GWh | Jul 2021 | Dec 2024 | Solar |
| Millbury Solar | Evergreen Wind, LLC | Millbury, MA | ISO New England (ISNE) | 4.2 GWh | Mar 2014 | Dec 2024 | Solar |
| Mass Midstate Solar 1 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 7.2 GWh | Apr 2014 | Dec 2024 | Solar |
| Mass Midstate Solar 2 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 7.3 GWh | Apr 2014 | Dec 2024 | Solar |
| Mass Midstate Solar 3 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 6.3 GWh | Apr 2014 | 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) | 41.7 GWh | Nov 2013 | Sep 2025 | Natural Gas : 98.9% Distillate Fuel Oil : 1.1% |
| ENGIE 2019 ProjectCo-MA1, LLC | ENGIE 2019 ProjectCo MA-1, LLC | Agawam, MA | ISO New England (ISNE) | 6.4 GWh | Feb 2021 | Dec 2024 | Solar |
| Emerald Marshfields, LLC | Emerald Marshfield, LLC | Marshfield, MA | ISO New England (ISNE) | 2.2 GWh | Nov 2022 | Dec 2024 | Solar |
| Electric Avenue Lunenburg Solar 1 | Electric Avenue Lunenburg Solar 1, LLC | Lunenburg, MA | ISO New England (ISNE) | 2.6 GWh | Nov 2021 | 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 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 |
| Indian River Hydro | Eagle Creek Renewable Energy, LLC | Russell, MA | ISO New England (ISNE) | 1.3 GWh | Nov 1909 | Dec 2024 | Water |
| International Paper Woronoco Mill | Eagle Creek Renewable Energy, LLC | Woronoco, MA | ISO New England (ISNE) | 5.4 GWh | Dec 1912 | Dec 2024 | Water |
| Pepperell Hydro Power Plant | Eagle Creek Renewable Energy, LLC | Pepperell, MA | ISO New England (ISNE) | 3.7 GWh | Dec 1919 | Sep 2025 | Water |
| Brookfield Wire Company | Dynamic Energy Solutions, LLC | Brookfield, MA | ISO New England (ISNE) | 1.6 GWh | May 2016 | Dec 2024 | Solar |
| Dudley Solar CSG | Dudley Solar, LLC | Dudley, MA | ISO New England (ISNE) | 2.8 GWh | Jul 2017 | Dec 2024 | Solar |
| Dresser Hill CSG | Dresser Hill Solar, LLC | Southbridge, MA | ISO New England (ISNE) | 6.2 GWh | Dec 2020 | Dec 2024 | Solar |
| Downing Parkway Solar | Downing Parkway Solar LLC | Pittsfield, MA | ISO New England (ISNE) | 3.4 GWh | Jun 2015 | Dec 2024 | Solar |
| Dighton Power Plant | Dighton Power, LLC | Dighton, MA | ISO New England (ISNE) | 531.1 GWh | Apr 1999 | Dec 2024 | Natural Gas |
| DG Webster LLC CSG | DG Webster, LLC | Webster, MA | ISO New England (ISNE) | 2.2 GWh | Nov 2017 | Dec 2024 | Solar |
| DG Tufts Science LLC CSG | DG Tufts Science, LLC | North Grafton, MA | ISO New England (ISNE) | 1.4 GWh | Jan 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 |
| DG Haverhill CSG | DG Haverhill LLC | Haverhill, MA | ISO New England (ISNE) | 1.6 GWh | Aug 2017 | Dec 2024 | Solar |
| DG Foxborough Elm CSG | DG Foxborough Elm LLC | Foxborough, MA | ISO New England (ISNE) | 3.2 GWh | Jul 2017 | Dec 2024 | Solar |
| DG Dighton LLC CSG | DG Dighton, LLC | Dighton, MA | ISO New England (ISNE) | 4.6 GWh | Jun 2017 | Dec 2024 | Solar |
| DG Crystal Spring CSG | DG Crystal Spring LLC | Mattapoisett, MA | ISO New England (ISNE) | 6.8 GWh | Jun 2017 | Dec 2024 | Solar |
| Dept of Corrections NCCI Wind | Dept of Corrections NCCI Wind | Gardner, MA | ISO New England (ISNE) | 5.6 GWh | Oct 2013 | Sep 2025 | Wind |
| Dartmouth Farms Solar | Dartmouth Farms Solar, LLC | Dartmouth, MA | ISO New England (ISNE) | 3.6 GWh | Oct 2017 | Dec 2024 | Solar |
| Antanavica Solar | Cypress Creek Renewables | Leicester, MA | ISO New England (ISNE) | 1.4 GWh | Jul 2018 | Dec 2024 | Solar |
| West Brookfield Solar, LLC | CVI CleanCapital Solar 7 | West Brookfield, MA | ISO New England (ISNE) | 1.9 GWh | Dec 2015 | Dec 2024 | Solar |
| Oxford | CVI CleanCapital Solar 6 | Oxford, MA | ISO New England (ISNE) | 4.2 GWh | Jun 2014 | Dec 2024 | Solar |
| WYM 1250 Palmer LLC | CVI CleanCapital Solar 6 | Palmer, MA | ISO New England (ISNE) | 1.0 GWh | Aug 2013 | Dec 2024 | Solar |
| Morin Solar 2013 LLC | CVI CleanCapital Solar 6 | Warren, MA | ISO New England (ISNE) | 5.0 GWh | Nov 2013 | Dec 2024 | Solar |
| Brookfield Solar 2013 LLC | CVI CleanCapital Solar 6 | North Brookfield, MA | ISO New England (ISNE) | 2.5 GWh | Nov 2013 | Dec 2024 | Solar |
| State Street Solar LLC | CVI CleanCapital Solar 1 LLC | Palmer, MA | ISO New England (ISNE) | 1.5 GWh | Mar 2014 | Dec 2024 | Solar |
| Leicester One MA Solar LLC | CVI CleanCapital Solar 1 LLC | Leicester, MA | ISO New England (ISNE) | 5.6 GWh | Dec 2014 | Dec 2024 | Solar |
| Browne Solar LLC | CVI CleanCapital Solar 1 LLC | Palmer, MA | ISO New England (ISNE) | 1.2 GWh | Mar 2014 | Dec 2024 | Solar |
| Indian Hill Solar LLC | CVI CleanCapital Solar 1 LLC | Palmer, MA | ISO New England (ISNE) | 1.5 GWh | Mar 2014 | Dec 2024 | Solar |
| Cranberry Highway Solar LLC | Cranberry Highway Solar, LLC | Wareham, MA | ISO New England (ISNE) | 2.2 GWh | Feb 2021 | Dec 2024 | Solar |
| Manheim New England | Cox Enterprises | North Dighton, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2012 | Dec 2024 | Solar |
| Exelon West Medway II LLC | Constellation Power, Inc | Medway, MA | ISO New England (ISNE) | 171.4 GWh | Feb 2019 | Sep 2025 | Natural Gas : 97.7% Kerosene : 2.3% |
| Exelon Medway LLC | Constellation Power, Inc | Medway, MA | ISO New England (ISNE) | 2.0 GWh | Jun 1970 | Dec 2024 | Distillate Fuel Oil |
| Exelon Framingham LLC | Constellation Power, Inc | Framingham, MA | ISO New England (ISNE) | 273.0 MWh | Aug 1969 | Dec 2024 | Distillate Fuel Oil |
| Mystic Generating Station | Constellation Mystic Power LLC | Charlestown, MA | ISO New England (ISNE) | 1.8 TWh | May 1969 | Mar 2024 | Natural Gas |
| Tihonet Solar | Consolidated Edison Solutions Inc. | Wareham, MA | ISO New England (ISNE) | 1.8 GWh | Apr 2014 | Dec 2024 | Solar |
| Quittacas Pond Solar | Consolidated Edison Solutions Inc. | Rochester, MA | ISO New England (ISNE) | 5.1 GWh | Nov 2013 | Dec 2024 | Solar |
| Wilson Solar (MA) | Consolidated Edison Solutions Inc. | Spencer, MA | ISO New England (ISNE) | 1.6 GWh | May 2013 | Dec 2024 | Solar |
| Future Generation Wind | Consolidated Edison Solutions Inc. | Plymouth, MA | ISO New England (ISNE) | 14.1 GWh | Jul 2016 | Dec 2024 | Wind |
| Padelford Solar | Consolidated Edison Solutions Inc. | Berkley, MA | ISO New England (ISNE) | 3.4 GWh | Nov 2012 | Dec 2024 | Solar |
| Boston Scientific Solar | Consolidated Edison Solutions Inc. | Quincy, MA | ISO New England (ISNE) | 1.5 GWh | Nov 2012 | 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 |
| Merrimac Solar | Consolidated Edison Development Inc. | Merrimac, MA | ISO New England (ISNE) | 2.3 GWh | Nov 2013 | Dec 2024 | Solar |
| Northbridge Solar | Consolidated Edison Development Inc. | South Grafton, MA | ISO New England (ISNE) | 3.4 GWh | Jul 2013 | Dec 2024 | Solar |
| Shrewsbury Solar | Consolidated Edison Development Inc. | Shrewsbury, MA | ISO New England (ISNE) | 4.0 GWh | Sep 2012 | Dec 2024 | Solar |
| Groveland Solar | Consolidated Edison Development Inc. | Groveland, MA | ISO New England (ISNE) | 4.5 GWh | Nov 2012 | Dec 2024 | Solar |
| Douglas Solar | Consolidated Edison Development Inc. | Douglas, MA | ISO New England (ISNE) | 2.5 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 |
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 | 250.6 GWh |
| Hampshire County, MA | # 11 | 37 | 270.0 GWh |
| Franklin County, MA | # 10 | 33 | 290.3 GWh |
| Suffolk County, MA | # 9 | 13 | 429.2 GWh |
| Barnstable County, MA | # 8 | 23 | 435.9 GWh |
| Plymouth County, MA | # 7 | 84 | 848.5 GWh |
| County | State Rank | Active Plants | Dec 2024 Generation |
|---|---|---|---|
| Bristol County, MA | # 6 | 71 | 947.8 GWh |
| Hampden County, MA | # 5 | 86 | 1.7 TWh |
| Essex County, MA | # 4 | 39 | 2.5 TWh |
| Middlesex County, MA | # 3 | 68 | 3.7 TWh |
| Worcester County, MA | # 2 | 190 | 4.9 TWh |
| Norfolk County, MA | # 1 | 38 | 7.3 TWh |