Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Exelon West Medway II LLC | Constellation Power, Inc | Medway, MA | ISO New England (ISNE) | 199.0 GWh | Feb 2019 | Jun 2024 | Natural Gas : 99.6% |
| Exelon Medway LLC | Constellation Power, Inc | Medway, MA | ISO New England (ISNE) | 4.3 GWh | Jun 1970 | Dec 2023 | Distillate Fuel Oil |
| Exelon Framingham LLC | Constellation Power, Inc | Framingham, MA | ISO New England (ISNE) | 981.4 MWh | Aug 1969 | Dec 2023 | Distillate Fuel Oil |
| Erving Paper Mills | Erving Paper Mills Inc | Erving, MA | ISO New England (ISNE) | 49.2 GWh | Nov 2013 | Jun 2024 | Natural Gas : 98.7% Distillate Fuel Oil : 1.3% |
| Erving CSG | Erving Poplar Mountain Solar 1, LLC | Erving, MA | ISO New England (ISNE) | 1.5 GWh | Aug 2020 | Dec 2023 | Solar |
| Equity Industrial Turbines | Equity Industrial Turbines | Gloucester, MA | ISO New England (ISNE) | 7.2 GWh | Nov 2012 | Dec 2022 | Wind |
| Equinix - Billerica | Bloom Energy | Billerica, MA | ISO New England (ISNE) | 16.5 GWh | Aug 2021 | Dec 2022 | Natural Gas |
| ENGIE 2019 ProjectCo-MA1, LLC | ENGIE 2019 ProjectCo MA-1, LLC | Agawam, MA | ISO New England (ISNE) | 5.6 GWh | Feb 2021 | Dec 2023 | Solar |
| Emerald Marshfields, LLC | Emerald Marshfield, LLC | Marshfield, MA | ISO New England (ISNE) | 4.6 GWh | Nov 2022 | Dec 2023 | Solar |
| Elm Street | ISM Solar Dighton 3, LLC | Dighton, MA | ISO New England (ISNE) | 8.3 GWh | Nov 2020 | Dec 2023 | Solar |
| Electric Avenue Lunenburg Solar 1 | Electric Avenue Lunenburg Solar 1, LLC | Lunenburg, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2021 | Dec 2023 | Solar |
| EDF Lancaster | CleanCapital Holdings | Lancaster, MA | ISO New England (ISNE) | 6.2 GWh | Jun 2014 | Dec 2023 | Solar |
| EBZ Solar | Citizens Enterprises Corporation | Shirley, MA | ISO New England (ISNE) | 3.6 GWh | Dec 2012 | Dec 2023 | Solar |
| Easton Landfill | CleanCapital Holdings | Easton, MA | ISO New England (ISNE) | 2.6 GWh | Sep 2013 | Dec 2022 | Solar |
| Easthampton Landfill-City of Easthampton | CleanCapital Holdings | Easthampton, MA | ISO New England (ISNE) | 2.9 GWh | May 2012 | Dec 2023 | Solar |
| Easthampton CSG | Easthampton Park Solar 1, LLC | Easthampton, MA | ISO New England (ISNE) | 3.7 GWh | Aug 2020 | Dec 2023 | Solar |
| East Springfield Solar PV | NSTAR Electric Company | Springfield, MA | ISO New England (ISNE) | 2.0 GWh | Sep 2018 | Dec 2023 | Solar |
| East Longmeadow Solar PV | NSTAR Electric Company | East Longmeadow, MA | ISO New England (ISNE) | 6.1 GWh | Sep 2019 | Dec 2023 | Solar |
| East Brookfield Main Street Solar LLC CSG | AES Distributed Energy | East Brookfield, MA | ISO New England (ISNE) | 1.7 GWh | Nov 2020 | Dec 2023 | Solar |
| East Brookfield Adams Road Solar LLC CSG | East Brookfield Adams Road Solar LLC | East Brookfield, MA | ISO New England (ISNE) | 8.5 GWh | May 2021 | Dec 2022 | Solar |
| East Bridgewater Solar | Altus Power America Management, LLC | East Bridgewater, MA | ISO New England (ISNE) | 3.5 GWh | Oct 2017 | Dec 2023 | Solar |
| East Acres Solar NG, LLC | NuGen Capital Management | Pittsfield, MA | ISO New England (ISNE) | 5.0 GWh | Mar 2017 | Dec 2023 | Solar |
| Dynamic - Walpole | AES Distributed Energy | Walpole, MA | ISO New England (ISNE) | 3.0 GWh | May 2017 | Dec 2023 | Solar |
| Dwight | Central Rivers Power MA, LLC | Chicopee, MA | ISO New England (ISNE) | 10.4 GWh | Dec 1919 | Dec 2023 | Water |
| Dunstable Solar 1, LLC | AES Distributed Energy | Dunstable, MA | ISO New England (ISNE) | 10.9 GWh | Mar 2021 | Dec 2023 | Solar : 99.0% Electricity used for energy storage : 1.0% |
| Dudley Solar CSG | Dudley Solar, LLC | Dudley, MA | ISO New England (ISNE) | 2.9 GWh | Jul 2017 | Dec 2023 | Solar |
| Dudley River Solar, LLC CSG | 38 Degrees North, LLC | Southbridge, MA | ISO New England (ISNE) | 1.3 GWh | Oct 2017 | Dec 2022 | Solar |
| Dudley River 3 Solar, LLC CSG | 38 Degrees North, LLC | Southbridge, MA | ISO New England (ISNE) | 1.9 GWh | Oct 2017 | Dec 2022 | Solar |
| Dudley River 2 Solar, LLC CSG | 38 Degrees North, LLC | Southbridge, MA | ISO New England (ISNE) | 1.8 GWh | Oct 2017 | Dec 2022 | Solar |
| Dudley | AMP MA Dudley | Dudley, MA | ISO New England (ISNE) | 5.0 GWh | Jun 2018 | Dec 2023 | Solar |
| Dresser Hill CSG | Dresser Hill Solar, LLC | Southbridge, MA | ISO New England (ISNE) | 6.4 GWh | Dec 2020 | Dec 2022 | Solar |
| Dover | BWC Buckmaster Pond LLC | Dover, MA | ISO New England (ISNE) | 1.7 GWh | Jul 2017 | Dec 2023 | Solar |
| Douglas Solar | Consolidated Edison Development Inc. | Douglas, MA | ISO New England (ISNE) | 3.6 GWh | Nov 2012 | Dec 2022 | Solar |
| Dorchester Solar Site | Massachusetts Electric Co | Dorchester, MA | ISO New England (ISNE) | 1.2 GWh | Dec 2011 | Dec 2022 | Solar |
| Dighton Power Plant | Dighton Power, LLC | Dighton, MA | ISO New England (ISNE) | 267.7 GWh | Apr 1999 | Dec 2022 | Natural Gas |
| DG Webster LLC CSG | DG Webster, LLC | Webster, MA | ISO New England (ISNE) | 2.6 GWh | Nov 2017 | Dec 2022 | Solar |
| DG Tufts Science LLC CSG | DG Tufts Science, LLC | North Grafton, MA | ISO New England (ISNE) | 1.6 GWh | Jan 2017 | Dec 2022 | Solar |
| DG Tufts Knoll LLC CSG | DG Tufts Knoll, LLC | North Grafton, MA | ISO New England (ISNE) | 2.9 GWh | Jul 2017 | Dec 2023 | Solar |
| DG Haverhill CSG | DG Haverhill | Haverhill, MA | ISO New England (ISNE) | 1.8 GWh | Aug 2017 | Dec 2023 | Solar |
| DG Foxborough Elm CSG | DG Foxborough Elm | Foxborough, MA | ISO New England (ISNE) | 4.2 GWh | Jul 2017 | Dec 2023 | Solar |
| DG Dighton LLC CSG | DG Dighton, LLC | Dighton, MA | ISO New England (ISNE) | 6.3 GWh | Jun 2017 | Dec 2023 | Solar |
| DG Crystal Spring CSG | DG Crystal Spring CSG | Mattapoisett, MA | ISO New England (ISNE) | 7.0 GWh | Jun 2017 | Dec 2023 | Solar |
| Devens | Altus Power America Management, LLC | Shirley, MA | ISO New England (ISNE) | 4.6 GWh | May 2014 | Dec 2023 | Solar |
| Dept of Corrections NCCI Wind | Dept of Corrections NCCI Wind | Gardner, MA | ISO New England (ISNE) | 4.6 GWh | Oct 2013 | Jun 2024 | Wind |
| Depot Hill Solar CSG | CCC Solar Holdings LLC | Charlton, MA | ISO New England (ISNE) | 3.4 GWh | Sep 2016 | Dec 2023 | Solar |
| Dennis Landfill | Clean Focus Yield, LLC | Dennis, MA | ISO New England (ISNE) | 7.3 GWh | Aug 2014 | Dec 2022 | Solar |
| Deerfield CSG Solar | MN8 Energy LLC | Deerfield, MA | ISO New England (ISNE) | 5.8 GWh | Nov 2017 | Dec 2023 | Solar |
| Deerfield 5 | Great River Hydro, LLC | Florida, MA | ISO New England (ISNE) | 67.8 GWh | Sep 1974 | Dec 2023 | Water |
| Deerfield 4 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 31.0 GWh | Jul 1912 | Dec 2023 | Water |
| Deerfield 3 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 37.0 GWh | Jul 1912 | Dec 2023 | Water |
| Deerfield 2 | Great River Hydro, LLC | Conway, MA | ISO New England (ISNE) | 42.4 GWh | Jul 1913 | Dec 2023 | Water |
| Deer Island Treatment Plant | Massachusetts Wtr Rauth-Deer I | Winthrop, MA | ISO New England (ISNE) | 41.9 GWh | Jul 1995 | Jun 2024 | Other Biomass Gas : 71.7% Distillate Fuel Oil : 14.3% Water : 11.0% Solar : 1.7% Wind : 1.3% |
| DDR Shoppers World | Altus Power America Management, LLC | Framingham, MA | ISO New England (ISNE) | 1.3 GWh | Oct 2017 | Dec 2023 | Solar |
| Dartmouth Solar | Consolidated Edison Development Inc. | Dartmouth, MA | ISO New England (ISNE) | 2.2 GWh | Feb 2011 | Dec 2022 | Solar |
| Dartmouth Power Associates LP | Morris Energy Operations Company, LLC | Dartmouth, MA | ISO New England (ISNE) | 62.0 GWh | Feb 1992 | Dec 2022 | Natural Gas : 96.3% Distillate Fuel Oil : 3.7% |
| Dartmouth Landfill | CleanCapital Holdings | Dartmouth, MA | ISO New England (ISNE) | 1.6 GWh | Jan 2013 | Dec 2022 | Solar |
| Dartmouth II Solar | Consolidated Edison Development Inc. | Dartmouth, MA | ISO New England (ISNE) | 1.9 GWh | May 2012 | Dec 2022 | Solar |
| Dartmouth Farms Solar | Dartmouth Farms Solar, LLC | Dartmouth, MA | ISO New England (ISNE) | 3.7 GWh | Oct 2017 | Dec 2023 | Solar |
| Dartmouth | Mass Solar, LLC | Dartmouth, MA | ISO New England (ISNE) | 8.7 GWh | Mar 2014 | Dec 2023 | Solar |
| Cycz Solar Project CSG Hybrid | AES Distributed Energy | Spencer, MA | ISO New England (ISNE) | 3.3 GWh | May 2020 | Dec 2023 | Solar |
| Curtis Hill Solar CSG | CCC Solar Holdings LLC | Charlton, MA | ISO New England (ISNE) | 3.4 GWh | Sep 2016 | Dec 2023 | Solar |
| Cronin Road Solar 1, LLC CSG Hybrid | AES Distributed Energy | Warren, MA | ISO New England (ISNE) | 3.6 GWh | May 2020 | Dec 2023 | Solar : 99.7% |
| Cranberry Solar | GWE Cranberry Solar RT, LLC | Middleborough, MA | ISO New England (ISNE) | 1.7 GWh | Nov 2016 | Dec 2023 | Solar |
| Cranberry Highway Solar LLC | Cranberry Highway Solar, LLC | Wareham, MA | ISO New England (ISNE) | 3.5 GWh | Feb 2021 | Dec 2022 | Solar : 97.2% Electricity used for energy storage : 2.8% |
| Covanta Haverhill | Ogden Projects Inc-Haverhill | Haverhill, MA | ISO New England (ISNE) | 374.2 GWh | Apr 1989 | Jun 2024 | Non-biogenic Municipal Solid Waste : 54.9% Biogenic Municipal Solid Waste : 44.9% |
| Cottage Street Solar Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 3.3 GWh | Apr 2014 | Jun 2024 | Solar |
| Cosgrove Intake and Power Station | Massachusetts Water Res Auth | Clinton, MA | ISO New England (ISNE) | 2.0 GWh | Dec 1968 | Dec 2022 | Water |
| CoreSite - Somerville | Bloom Energy | Somerville, MA | ISO New England (ISNE) | 33.2 GWh | Aug 2020 | Dec 2022 | Natural Gas |
| Concord Solar Farm | Kearsarge Solar LLC | Concord, MA | ISO New England (ISNE) | 2.1 GWh | Mar 2014 | Dec 2023 | Solar |
| Collins Facility | Elevate Power Management LLC | Wilbraham, MA | ISO New England (ISNE) | 7.4 GWh | Feb 1985 | Dec 2023 | Water |
| Cohasse Solar, LLC CSG | 38 Degrees North, LLC | Southbridge, MA | ISO New England (ISNE) | 1.7 GWh | Sep 2017 | Dec 2022 | Solar |
| Cobble Mountain | City of Holyoke Gas and Electric Dept. | Granville, MA | ISO New England (ISNE) | 11.3 GWh | Dec 1929 | Dec 2023 | Water |
| Cleary Flood Hybrid | City of Taunton | Taunton, MA | ISO New England (ISNE) | 26.8 GWh | May 1966 | Dec 2022 | Natural Gas : 95.2% Distillate Fuel Oil : 4.8% |
| Clark University | Clark University | Worcester, MA | ISO New England (ISNE) | 9.3 GWh | Dec 2012 | Dec 2023 | Natural Gas |
| Clark Road Solar 1, LLC | Clark Road Solar 1, LLC | Gardner, MA | ISO New England (ISNE) | 4.8 GWh | Nov 2020 | Dec 2022 | Solar |
| Citizens Agawam Landfill Solar | Citizens Enterprises Corporation | Agawam, MA | ISO New England (ISNE) | 2.9 GWh | Mar 2017 | Dec 2023 | Solar |
| Chocksett Rd Energy Storage Project | Sterling Municipal Light Department | Sterling, MA | ISO New England (ISNE) | 31.4 MWh | Mar 2017 | Dec 2022 | Electricity used for energy storage |
| Chicopee Solar | Citizens Enterprises Corporation | Chicopee, MA | ISO New England (ISNE) | 4.7 GWh | Nov 2013 | Dec 2023 | Solar |
| Chicopee River Solar | Citizens Enterprises Corporation | Springfield, MA | ISO New England (ISNE) | 3.1 GWh | Dec 2014 | Dec 2023 | Solar |
| Chicopee Granby Road Solar | Citizens Enterprises Corporation | Chicopee, MA | ISO New England (ISNE) | 2.5 GWh | Dec 2014 | Dec 2023 | Solar |
| Chicopee | Captona Chicopee LLC | Chicopee, MA | ISO New England (ISNE) | 2.6 GWh | Mar 2017 | Dec 2023 | Solar |
| Chester Solar Farm | Kearsarge Solar LLC | Chester, MA | ISO New England (ISNE) | 5.2 GWh | May 2014 | Dec 2023 | Solar |
| Cherry Valley Solar, LLC CSG | 38 Degrees North, LLC | Leicester, MA | ISO New England (ISNE) | 1.7 GWh | Oct 2017 | Dec 2022 | Solar |
| Cherry Street | Town of Hudson - (MA) | Hudson, MA | ISO New England (ISNE) | 503.7 MWh | Apr 1951 | Dec 2023 | Distillate Fuel Oil : 71.1% Natural Gas : 28.9% |
| Chemical | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 7.8 GWh | Dec 1934 | Dec 2023 | Water |
| Chatham Landfill | Clean Focus Yield, LLC | Chatham, MA | ISO New England (ISNE) | 2.4 GWh | Aug 2014 | Dec 2022 | Solar |
| Charlton Solar I CSG | Charlton Solar I, LLC | Charlton, MA | ISO New England (ISNE) | 5.7 GWh | Nov 2014 | Dec 2023 | Solar |
| Charlestown Wind Turbine | MWRA Charlestown | Charlestown, MA | ISO New England (ISNE) | 1.7 GWh | Sep 2011 | Dec 2022 | Wind |
| Charlemont A | Charlemont MA, LLC | Charlemont, MA | ISO New England (ISNE) | 4.0 GWh | Aug 2021 | Dec 2022 | Solar |
| CES Sterling LLC | SunEdison LLC | Sterling, MA | ISO New England (ISNE) | 3.2 GWh | Jan 2013 | Dec 2023 | Solar |
| CES Agawam Tuckahoe Solar Hybrid | CES Agawam Tuckahoe Solar LLC | Agawam, MA | ISO New England (ISNE) | 6.7 GWh | Nov 2021 | Dec 2022 | Solar |
| Centech Gas Generator | Town of Shrewsbury - (MA) | Shrewsbury, MA | ISO New England (ISNE) | 363.3 MWh | Mar 2019 | Dec 2023 | Natural Gas |
| Centaurus Solar - MA | LSE Centaurus LLC | Ashland, MA | ISO New England (ISNE) | 3.7 GWh | Oct 2016 | Dec 2022 | Solar |
| Cedarville CSG | Altus Power America Management, LLC | Plymouth, MA | ISO New England (ISNE) | 4.1 GWh | Jun 2017 | Dec 2023 | Solar |
| CED Westfield Solar, LLC | Consolidated Edison Development Inc. | Westfield, MA | ISO New England (ISNE) | 3.4 GWh | Jul 2016 | Dec 2023 | Solar |
| CED Northampton Solar LLC Hybrid | Consolidated Edison Development Inc. | Northampton, MA | ISO New England (ISNE) | 7.4 GWh | Nov 2019 | Dec 2022 | Solar |
| CED Chicopee Solar | Consolidated Edison Development Inc. | Chicopee, MA | ISO New England (ISNE) | 5.5 GWh | Jun 2017 | Dec 2022 | Solar |
| Carver MA 1 Community Solar | Navisun LLC | Carver, MA | ISO New England (ISNE) | 2.9 GWh | Aug 2016 | Dec 2023 | Solar |
| Carver CSG | Altus Power America Management, LLC | Carver, MA | ISO New England (ISNE) | 1.9 GWh | Apr 2019 | Dec 2023 | Solar |
| Carver | Captona Carver LLC | North Carver, MA | ISO New England (ISNE) | 2.1 GWh | Apr 2017 | Dec 2023 | Solar |
Browse Power Plants By Massachusetts Counties
Figures are based on December 2023 generation numbers.| County | State Rank | Active Plants | Dec 2023 Generation |
|---|---|---|---|
| Dukes County, MA | # 13 | 7 | 8.5 GWh |
| Berkshire County, MA | # 12 | 35 | 58.2 GWh |
| Hampshire County, MA | # 11 | 35 | 144.9 GWh |
| Barnstable County, MA | # 10 | 21 | 157.3 GWh |
| Franklin County, MA | # 9 | 31 | 437.0 GWh |
| Suffolk County, MA | # 8 | 13 | 494.5 GWh |
| Bristol County, MA | # 7 | 68 | 593.5 GWh |
| County | State Rank | Active Plants | Dec 2023 Generation |
|---|---|---|---|
| Plymouth County, MA | # 6 | 73 | 871.2 GWh |
| Hampden County, MA | # 5 | 83 | 1.4 TWh |
| Essex County, MA | # 4 | 37 | 2.0 TWh |
| Middlesex County, MA | # 3 | 65 | 4.1 TWh |
| Worcester County, MA | # 2 | 188 | 4.8 TWh |
| Norfolk County, MA | # 1 | 36 | 6.4 TWh |