Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Kearsarge Haverhill | Kearsarge Haverhill LLC | Haverhill, MA | ISO New England (ISNE) | 4.0 GWh | Feb 2021 | Dec 2024 | Solar |
| Kearsarge Upper Union | Kearsarge Upper Union LLC | Franklin, MA | ISO New England (ISNE) | 1.6 GWh | Feb 2023 | Dec 2024 | Solar |
| Blodgett Solar CSG | Blodgett Street Solar 1, LLC | Tyngsboro, MA | ISO New England (ISNE) | 9.8 GWh | Jul 2021 | Dec 2024 | Solar |
| Dunstable Solar 1, LLC | AES Distributed Energy | Dunstable, MA | ISO New England (ISNE) | 10.8 GWh | Mar 2021 | Dec 2024 | Solar |
| Fairhaven MA 2 | Consolidated Edison Development Inc. | Fairhaven, MA | ISO New England (ISNE) | 4.5 GWh | Aug 2021 | Dec 2024 | Solar |
| West Haydenville PJ Community Solar | AES Distributed Energy | Williamsburg, MA | ISO New England (ISNE) | 8.6 GWh | Aug 2022 | Dec 2024 | Solar |
| Brookwood Drive Community Solar | AES Distributed Energy | Westport, MA | ISO New England (ISNE) | 7.0 GWh | Jul 2022 | Dec 2024 | Solar |
| Old Middleboro Road Solar | Agilitas Energy, Inc. | Rochester, MA | ISO New England (ISNE) | 10.9 GWh | Dec 2022 | Dec 2024 | Solar |
| 276 Federal Rd(CSG) | 276FED WHAM8 Solar, LLC | Carver, MA | ISO New England (ISNE) | 10.1 GWh | Oct 2021 | Dec 2024 | Solar |
| 0 Hammond St CSG | 0HAM WHAM8 Solar, LLC | Carver, MA | ISO New England (ISNE) | 14.4 GWh | Sep 2021 | Dec 2024 | Solar |
| ASD Cotuit MA Solar LLC | ASD Cotuit MA Solar LLC | Sandwich, MA | ISO New England (ISNE) | 2.4 GWh | Oct 2023 | Dec 2024 | Solar |
| Halifax Solar | NuGen Capital Management | Halifax, MA | ISO New England (ISNE) | 3.9 GWh | Jul 2015 | Dec 2024 | Solar |
| 580 River Solar | NuGen Capital Management | Winchendon, MA | ISO New England (ISNE) | 4.7 GWh | Aug 2018 | Dec 2024 | Solar |
| 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 |
| UMass PV Lot 22 | Consolidated Edison Development Inc. | Amherst, MA | ISO New England (ISNE) | 3.2 GWh | Aug 2022 | 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 : 99.2% Electricity used for energy storage : 0.8% |
| 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 |
| Holliston LLC | Greenbacker Renewable Energy Corporation | Holliston, MA | ISO New England (ISNE) | 2.0 GWh | Sep 2020 | Dec 2024 | Solar |
| Equinix - Billerica | Bloom Energy | Billerica, MA | ISO New England (ISNE) | 15.0 GWh | Aug 2021 | Dec 2024 | Natural Gas |
| Woburn | Greenbacker Renewable Energy Corporation | Woburn, MA | ISO New England (ISNE) | 2.1 GWh | Nov 2020 | Dec 2024 | Solar |
| Fairhaven E | Fairhaven MA 1, LLC | Fairhaven, MA | ISO New England (ISNE) | 3.4 GWh | Jul 2021 | Dec 2024 | Solar |
| Indian River Hydro | Eagle Creek Renewable Energy, LLC | Russell, MA | ISO New England (ISNE) | 1.3 GWh | Nov 1909 | Dec 2024 | Water |
| MA CS Uxbridge Community Solar | MA CS Uxbridge, LLC | Uxbridge, MA | ISO New England (ISNE) | 7.2 GWh | Jan 2023 | Dec 2024 | Solar |
| Nolan | LSE Crater LLC | Great Barrington, MA | ISO New England (ISNE) | 1.5 GWh | Oct 2017 | Dec 2024 | Solar |
| Truck Stop | LSE Corona Austrina LLC | West Stockridge, MA | ISO New England (ISNE) | 2.8 GWh | Oct 2017 | Dec 2024 | Solar |
| Bradford Solar | Bradford Solar, LLC | Haverhill, MA | ISO New England (ISNE) | 7.6 GWh | Mar 2017 | Dec 2024 | Solar |
| Whatley Renewables | Whatley Renewables, LLC | Whatley, MA | ISO New England (ISNE) | 1.8 GWh | Sep 2020 | Dec 2024 | Solar |
| Wachusett Solar | Wachusett Solar, LLC | Rutland, MA | ISO New England (ISNE) | 3.6 GWh | Jul 2019 | Dec 2024 | Solar |
| Dartmouth Farms Solar | Dartmouth Farms Solar, LLC | Dartmouth, MA | ISO New England (ISNE) | 3.6 GWh | Oct 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 |
| Brockelman Road Solar 2 | Brockelman Road Solar 2, LLC | Lancaster, MA | ISO New England (ISNE) | 2.0 GWh | Jul 2021 | Dec 2024 | Solar |
| TES Rowtier | SkyHigh 2 Solar | Westminster, MA | ISO New England (ISNE) | 5.1 GWh | Mar 2021 | 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 |
| Kearsarge Ludlow LLC | Kearsarge Ludlow LLC | Ludlow, MA | ISO New England (ISNE) | 5.8 GWh | Nov 2020 | Dec 2024 | Solar |
| Kearsarge Acushnet | Kearsarge Acushnet LLC | Acushnet, MA | ISO New England (ISNE) | 2.8 GWh | Jan 2020 | Dec 2024 | Solar |
| Long Plain Solar | Long Plain Solar, LLC | Whatley, MA | ISO New England (ISNE) | 3.6 GWh | Nov 2019 | Dec 2024 | Solar |
| Settlers Solar | Settlers Solar, LLC | Lunenberg, MA | ISO New England (ISNE) | 7.8 GWh | Nov 2020 | 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 |
| Woodland Avenue Solar 1 | Woodland Avenue Solar 1, LLC | Seekonk, MA | ISO New England (ISNE) | 8.3 GWh | Jul 2020 | Dec 2024 | Solar |
| Webster Solar | Webster Solar, LLC | Webster, MA | ISO New England (ISNE) | 1.3 GWh | Nov 2017 | Dec 2024 | Solar |
| Centech Gas Generator | Town of Shrewsbury - (MA) | Shrewsbury, MA | ISO New England (ISNE) | 537.0 MWh | Mar 2019 | Dec 2024 | Natural Gas |
| Norton Powerhouse 2 | Norton Powerhouse 2 | Worcester, MA | ISO New England (ISNE) | 28.6 GWh | Oct 2022 | Dec 2024 | Natural Gas |
| 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 |
| Harbor Road Solar 1 | Harbor Road Solar 1, LLC | Cheshire, MA | ISO New England (ISNE) | 2.9 GWh | Nov 2021 | Dec 2024 | Solar |
| CoreSite - Somerville | Bloom Energy | Somerville, MA | ISO New England (ISNE) | 4.5 GWh | Aug 2020 | Dec 2024 | Natural Gas |
| Brimfield | WEB Brimfield Solar LLC | Brimfield, MA | ISO New England (ISNE) | 3.3 GWh | Nov 2021 | Dec 2024 | Solar |
| WEB Brookfield | WEB Brookfield Solar LLC | Brookfield, MA | ISO New England (ISNE) | 6.0 GWh | Nov 2021 | Dec 2024 | Solar |
| 3Colton | Madison Energy Holdings LLC | Millbury, MA | ISO New England (ISNE) | 5.1 GWh | Jun 2023 | Dec 2024 | Solar |
| Manheim New England | Cox Enterprises | North Dighton, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2012 | Dec 2024 | Solar |
| Emerald Marshfields, LLC | Emerald Marshfield, LLC | Marshfield, MA | ISO New England (ISNE) | 2.2 GWh | Nov 2022 | Dec 2024 | Solar |
| Westport Stone & Sand Solar (CSG) | AES Clean Energy | Westport, MA | ISO New England (ISNE) | 5.6 GWh | Feb 2024 | Dec 2024 | Solar |
| MA Blackstone | Catalyze Blackstone 83 Federal Street Microgrid, LLC | Blackstone, MA | ISO New England (ISNE) | 3.7 GWh | Jun 2022 | 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 |
| Ashland Solar | Citizens Enterprises Corporation | Ashland, MA | ISO New England (ISNE) | 6.8 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 |
| Oxford Solar | Citizens Enterprises Corporation | Oxford, MA | ISO New England (ISNE) | 6.3 GWh | Jan 2020 | Dec 2024 | Solar |
| Spencer Solar MA | Citizens Enterprises Corporation | Spencer, MA | ISO New England (ISNE) | 3.6 GWh | Feb 2020 | Dec 2024 | Solar |
| Lilly Lane | LSE Chamaeleon LLC | Charlton, MA | ISO New England (ISNE) | 1.7 GWh | May 2018 | Dec 2024 | Solar |
| 401 South | Madison Energy Investments LLC | Dalton, MA | Southern Company Services, Inc. - Trans (SOCO) | 403.0 MWh | Nov 2023 | Dec 2024 | Solar |
| 5 Berry | Madison Energy Investments LLC | Plainsville, MA | ISO New England (ISNE) | 3.9 GWh | Aug 2023 | Dec 2024 | Solar |
| Nationwide | Nationwide Solar Energy LLC | Lancaster, MA | ISO New England (ISNE) | 5.5 GWh | May 2021 | 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 |
| GSPP NESV, LLC | Green Street Power Partners | Attleboro, MA | ISO New England (ISNE) | 1.6 GWh | Feb 2023 | Dec 2024 | Solar |
| Monument Valley | LSE Lepus LLC | Great Barrington, MA | ISO New England (ISNE) | 3.1 GWh | Dec 2021 | Dec 2024 | Solar |
| Plympton Main Street Solar, LLC | REA Investments, LLC | Plympton, MA | ISO New England (ISNE) | 7.5 GWh | Nov 2023 | Dec 2024 | Solar |
| Ward Solar 1, LLC | REA Investments, LLC | Carver, MA | ISO New England (ISNE) | 3.4 GWh | Jan 2019 | Dec 2024 | Solar |
| Old Frontier Solar III | Old Frontier Solar III PV, LLC | South Deerfield, MA | ISO New England (ISNE) | 4.1 GWh | Aug 2022 | Dec 2024 | Solar |
| 118 Echo | Madison Energy Investments LLC | Mashpee, MA | ISO New England (ISNE) | 4.0 MWh | Jun 2023 | Dec 2024 | Solar |
| 515 Main Saugus | 515 Main Saugus LLC | Saugus, MA | ISO New England (ISNE) | 2.0 GWh | Aug 2017 | Dec 2024 | Solar |
| Aegean Drive Solar | Aegean Drive Solar LLC | Methuen, MA | ISO New England (ISNE) | 2.6 GWh | Aug 2021 | Dec 2024 | Solar |
| Downing Parkway Solar | Downing Parkway Solar LLC | Pittsfield, MA | ISO New England (ISNE) | 3.4 GWh | Jun 2015 | Dec 2024 | Solar |
| Millbury MA #1092 | Millbury MA #1092 LLC | Millbury, MA | ISO New England (ISNE) | 1.7 GWh | May 2019 | Dec 2024 | Solar |
| Millis MA 1 | Millis MA 1 LLC | Millis, MA | ISO New England (ISNE) | 1.6 GWh | Oct 2018 | Dec 2024 | Solar |
| Rochester MA 2 | Rochester MA 2 LLC | Rochester, MA | ISO New England (ISNE) | 1.5 GWh | Nov 2018 | Dec 2024 | Solar |
| Wendell MA 1 | Wendell MA 1 LLC | Wendell, MA | ISO New England (ISNE) | 1.4 GWh | Nov 2018 | Dec 2024 | Solar |
| Overlook | Westbound Solar 3, LLC | Westminster, MA | ISO New England (ISNE) | 6.9 GWh | Feb 2023 | Dec 2024 | Solar |
| Pittsfield Generating LP | Pittsfield Generating Company, LP | Pittsfield, MA | ISO New England (ISNE) | 31.2 GWh | Jun 1990 | Feb 2025 | Natural Gas : 94.6% Distillate Fuel Oil : 5.4% |
| Covanta Haverhill | Ogden Projects Inc-Haverhill | Haverhill, MA | ISO New England (ISNE) | 298.4 GWh | Apr 1989 | Mar 2025 | Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.8% |
| Kendall Square Station | Kendall Green Energy, LLC | Cambridge, MA | ISO New England (ISNE) | 1.5 TWh | May 1949 | Apr 2025 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| Canal | Canal Generating LLC | Sandwich, MA | ISO New England (ISNE) | 304.2 GWh | May 1968 | Apr 2025 | Natural Gas : 72.9% Residual Fuel Oil : 24.6% Distillate Fuel Oil : 2.5% |
| Stony Brook | Massachusetts Mun Wholes Electric Co | Ludlow, MA | ISO New England (ISNE) | 76.7 GWh | Oct 1981 | Apr 2025 | Distillate Fuel Oil : 62.5% Natural Gas : 37.5% |
| General Electric Aircraft Engines | General Electric Aircraft Engines | Lynn, MA | ISO New England (ISNE) | 2.3 GWh | Dec 1947 | Apr 2025 | Solar |
| Pepperell Hydro Power Plant | Eagle Creek Renewable Energy, LLC | Pepperell, MA | ISO New England (ISNE) | 4.1 GWh | Dec 1919 | Apr 2025 | Water |
| Deer Island Treatment Plant | Massachusetts Wtr Rauth-Deer I | Winthrop, MA | ISO New England (ISNE) | 34.6 GWh | Jul 1995 | Apr 2025 | Other Biomass Gas : 80.9% Distillate Fuel Oil : 11.2% Water : 3.8% Wind : 2.4% Solar : 1.8% |
| SEMASS Resource Recovery | SEMASS Partnership | West Wareham, MA | ISO New England (ISNE) | 564.6 GWh | Jun 1988 | Apr 2025 | Non-biogenic Municipal Solid Waste : 54.0% Biogenic Municipal Solid Waste : 44.2% Natural Gas : 1.7% |
| Wheelabrator North Andover | Wheelabrator Environmental Systems | North Andover, MA | ISO New England (ISNE) | 237.6 GWh | Apr 1985 | Apr 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Wheelabrator Millbury Facility | Wheelabrator Environmental Systems | Millbury, MA | ISO New England (ISNE) | 317.4 GWh | Aug 1987 | Apr 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Wheelabrator Saugus | Wheelabrator Environmental Systems | Saugus, MA | ISO New England (ISNE) | 229.1 GWh | Jul 1985 | Apr 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Gillette SBMC | The Gillette Company | Boston, MA | ISO New England (ISNE) | 59.9 GWh | Jan 1971 | Apr 2025 | Natural Gas : 99.9% |
| Erving Paper Mills | Erving Paper Mills Inc | Erving, MA | ISO New England (ISNE) | 42.7 GWh | Nov 2013 | Apr 2025 | Natural Gas : 98.3% Distillate Fuel Oil : 1.7% |
| Millennium Power | Millennium Power Company, LLC | Charlton, MA | ISO New England (ISNE) | 466.6 GWh | Mar 2001 | Apr 2025 | Natural Gas |
| ANP Bellingham Energy Project | Bellingham Power Generation LLC | Bellingham, MA | ISO New England (ISNE) | 3.0 TWh | Oct 2002 | Apr 2025 | Natural Gas |
| ANP Blackstone Energy Project | ANP Blackstone Energy Company LLC | Blackstone, MA | ISO New England (ISNE) | 2.2 TWh | May 2001 | Apr 2025 | Natural Gas |
| Fore River Generating Station | Calpine Fore River Energy Center, LLC | North Weymouth, MA | ISO New England (ISNE) | 3.3 TWh | Jul 2003 | Apr 2025 | Natural Gas : 95.4% Distillate Fuel Oil : 4.6% |
| New England Wind LLC | Avangrid Power LLC | Florida, MA | ISO New England (ISNE) | 73.2 GWh | Nov 2012 | Apr 2025 | Wind |
| Berkshire Wind Power Project | Massachusetts Mun Wholes Electric Co | Lanesboro, MA | ISO New England (ISNE) | 31.6 GWh | Apr 2011 | Apr 2025 | Wind |
| Mt Wachusett Community College | Mt Wachusett Community College | Gardner, MA | ISO New England (ISNE) | 4.8 GWh | Feb 2011 | Apr 2025 | Wind |
| Cottage Street Solar Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 2.7 GWh | Apr 2014 | Apr 2025 | Solar |
| Cape Cod Air Force Station - 6 SWS | US Air Force | Sagamore, MA | ISO New England (ISNE) | 4.5 GWh | Dec 2013 | Apr 2025 | Wind |
Browse Power Plants By Massachusetts Counties
Figures are based on April 2025 generation numbers.| County | State Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Norfolk County, MA | # 1 | 38 | 7.1 TWh |
| Worcester County, MA | # 2 | 190 | 4.1 TWh |
| Middlesex County, MA | # 3 | 68 | 3.7 TWh |
| Essex County, MA | # 4 | 39 | 2.1 TWh |
| Hampden County, MA | # 5 | 86 | 1.8 TWh |
| Plymouth County, MA | # 6 | 82 | 864.4 GWh |
| Bristol County, MA | # 7 | 70 | 765.7 GWh |
| County | State Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Suffolk County, MA | # 8 | 13 | 455.5 GWh |
| Barnstable County, MA | # 9 | 22 | 377.8 GWh |
| Franklin County, MA | # 10 | 33 | 304.8 GWh |
| Hampshire County, MA | # 11 | 37 | 142.3 GWh |
| Berkshire County, MA | # 12 | 44 | 81.3 GWh |
| Dukes County, MA | # 13 | 7 | 9.9 GWh |