Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Franklin 1 | CD US Solar MT 2 LLC | Wrentham, MA | ISO New England (ISNE) | 4.4 GWh | Oct 2013 | Dec 2025 | Solar |
| Brockelman | Integrys MA Solar, LLC | Lancaster, MA | ISO New England (ISNE) | 4.7 GWh | Oct 2013 | Dec 2025 | Solar |
| Bellingham PV | Terraform Arcadia | Douglas, MA | ISO New England (ISNE) | 4.2 GWh | Sep 2013 | Dec 2025 | Solar |
| Scituate PV | AES Distributed Energy | Scituate, MA | ISO New England (ISNE) | 2.9 GWh | Sep 2013 | Dec 2025 | Solar |
| Easton Landfill | CleanCapital Holdings | Easton, MA | ISO New England (ISNE) | 2.5 GWh | Sep 2013 | Dec 2025 | Solar |
| Plymouth Site 1 | CleanCapital Holdings | Plympton, MA | ISO New England (ISNE) | 7.5 GWh | Sep 2013 | Dec 2025 | Solar |
| Grafton Solar | CD US Solar MT 2 LLC | Grafton, MA | ISO New England (ISNE) | 2.0 GWh | Sep 2013 | Dec 2025 | Solar |
| Adams Farm Solar | Altus Power America Management, LLC | Athol, MA | ISO New England (ISNE) | 3.5 GWh | Sep 2013 | Dec 2025 | Solar |
| Nextsun Energy Littleton | Greenbacker Renewable Energy Corporation | Littleton, MA | ISO New England (ISNE) | 5.1 GWh | Sep 2013 | Dec 2025 | Solar |
| Hunt Farm Solar | Altus Power America Management, LLC | Orange, MA | ISO New England (ISNE) | 3.3 GWh | Aug 2013 | Dec 2025 | Solar |
| WYM 1250 Palmer LLC | CVI CleanCapital Solar 6 | Palmer, MA | ISO New England (ISNE) | 1.5 GWh | Aug 2013 | Dec 2025 | Solar |
| Northbridge Solar | RWE Clean Energy | South Grafton, MA | ISO New England (ISNE) | 3.2 GWh | Jul 2013 | Dec 2025 | Solar |
| Ludlow Landfill | CleanCapital Holdings | Ludlow, MA | ISO New England (ISNE) | 3.2 GWh | Jul 2013 | Dec 2025 | Solar |
| Orange PV | Terraform Arcadia | Orange, MA | ISO New England (ISNE) | 2.6 GWh | Jun 2013 | Dec 2025 | Solar |
| Berkley East Solar LLC | SunEdison LLC | Berkley, MA | ISO New England (ISNE) | 4.9 GWh | Jun 2013 | Dec 2025 | Solar |
| Methuen Landfill | CleanCapital Holdings | Methuen, MA | ISO New England (ISNE) | 1.5 GWh | Jun 2013 | Dec 2025 | Solar |
| Wilson Solar (MA) | RWE Clean Energy | Spencer, MA | ISO New England (ISNE) | 870.0 MWh | May 2013 | Dec 2025 | Solar |
| Town of East Bridgewater CSG | Tesla Inc. | East Bridgewater, MA | ISO New England (ISNE) | 1.3 GWh | May 2013 | Dec 2025 | Solar |
| Route 57 Solar | Citizens Enterprises Corporation | Agawam, MA | ISO New England (ISNE) | 2.2 GWh | Feb 2013 | Dec 2025 | Solar |
| Whately Solar | Citizens Enterprises Corporation | Whately, MA | ISO New England (ISNE) | 2.4 GWh | Feb 2013 | Dec 2025 | Solar |
| Acushnet- High Hill | CleanCapital Holdings | Dartmouth, MA | ISO New England (ISNE) | 3.3 GWh | Feb 2013 | Dec 2025 | Solar |
| CES Sterling LLC | SunEdison LLC | Sterling, MA | ISO New England (ISNE) | 2.9 GWh | Jan 2013 | Dec 2025 | Solar |
| Dartmouth Landfill | CleanCapital Holdings | Dartmouth, MA | ISO New England (ISNE) | 1.8 GWh | Jan 2013 | Dec 2025 | Solar |
| Fall River Solar CSG | MN8 Energy LLC | Fall River, MA | ISO New England (ISNE) | 2.3 GWh | Jan 2013 | Dec 2025 | Solar |
| Clark University | Clark University | Worcester, MA | ISO New England (ISNE) | 3.6 GWh | Dec 2012 | Dec 2025 | Natural Gas |
| EBZ Solar | Citizens Enterprises Corporation | Shirley, MA | ISO New England (ISNE) | 3.4 GWh | Dec 2012 | Dec 2025 | Solar |
| Acushnet-Braley Road 1 | CleanCapital Holdings | Freetown, MA | ISO New England (ISNE) | 2.6 GWh | Dec 2012 | Dec 2025 | Solar |
| New England Wind LLC | Avangrid Power LLC | Florida, MA | ISO New England (ISNE) | 73.0 GWh | Nov 2012 | May 2026 | Wind |
| Douglas Solar | RWE Clean Energy | Douglas, MA | ISO New England (ISNE) | 3.2 GWh | Nov 2012 | Dec 2025 | Solar |
| Groveland Solar | RWE Clean Energy | Groveland, MA | ISO New England (ISNE) | 4.3 GWh | Nov 2012 | Dec 2025 | Solar |
| Boston Scientific Solar | RWE Clean Energy | Quincy, MA | ISO New England (ISNE) | 1.5 GWh | Nov 2012 | Dec 2025 | Solar |
| Padelford Solar | RWE Clean Energy | Berkley, MA | ISO New England (ISNE) | 3.5 GWh | Nov 2012 | Dec 2025 | Solar |
| Manheim New England | Cox Enterprises | North Dighton, MA | ISO New England (ISNE) | 2.5 GWh | Nov 2012 | Dec 2025 | Solar |
| Shrewsbury Solar | RWE Clean Energy | Shrewsbury, MA | ISO New England (ISNE) | 4.1 GWh | Sep 2012 | Dec 2025 | Solar |
| Camelot Wind LLC | Camelot Wind LLC | Plymouth, MA | ISO New England (ISNE) | 2.3 GWh | Sep 2012 | Dec 2024 | Wind |
| True North | CD US Solar MT1 LLC | Salisbury, MA | ISO New England (ISNE) | 6.0 GWh | Jul 2012 | Dec 2025 | Solar |
| Canton | Captona Canton LLC | Canton, MA | ISO New England (ISNE) | 6.0 GWh | Jul 2012 | Dec 2025 | Solar |
| Acushnet AD Makepeace | CleanCapital Holdings | Wareham, MA | ISO New England (ISNE) | 6.1 GWh | Jun 2012 | Dec 2025 | Solar |
| Acushnet Hawes Reed Road | CleanCapital Holdings | Dartmouth, MA | ISO New England (ISNE) | 1.8 GWh | Jun 2012 | Dec 2025 | Solar |
| OSG Solar 1 LLC | Navisun LLC | Orange, MA | ISO New England (ISNE) | 3.1 GWh | Jun 2012 | Dec 2025 | Solar |
| Dartmouth II Solar | RWE Clean Energy | Dartmouth, MA | ISO New England (ISNE) | 2.6 GWh | May 2012 | Dec 2025 | Solar |
| Town of Uxbridge MA at Commerce Dr | Luminace Solar Net Metering, LLC | Uxbridge, MA | ISO New England (ISNE) | 2.4 GWh | May 2012 | Dec 2025 | Solar |
| Town of Norfolk MA at Medway Branch | Luminace Solar Massachusetts, LLC | Norfolk, MA | ISO New England (ISNE) | 1.7 GWh | May 2012 | Dec 2025 | Solar |
| Easthampton Landfill-City of Easthampton | CleanCapital Holdings | Easthampton, MA | ISO New England (ISNE) | 2.8 GWh | May 2012 | Dec 2025 | Solar |
| Axio Green LLC | Altus Power America Management, LLC | Greenfield Township, MA | ISO New England (ISNE) | 2.5 GWh | May 2012 | Dec 2025 | Solar |
| 126 Grove Solar LLC | Altus Power America Management, LLC | Franklin, MA | ISO New England (ISNE) | 2.2 GWh | May 2012 | Dec 2025 | Solar |
| Westford Solar Park | MN8 Energy LLC | Westford, MA | ISO New England (ISNE) | 4.1 GWh | Mar 2012 | Dec 2025 | Solar |
| Fairhaven Wind | Fairhaven Wind LLC | Fairhaven, MA | ISO New England (ISNE) | 3.1 GWh | Mar 2012 | Dec 2025 | Wind |
| 433 Purchase Solar NG, LLC | NuGen Capital Management | Swansea, MA | ISO New England (ISNE) | 3.8 GWh | Mar 2012 | Dec 2025 | Solar |
| NFM Solar Power LLC | FirstLight Power Resources, Inc. - MA | Northfield, MA | ISO New England (ISNE) | 1.6 GWh | Feb 2012 | Dec 2025 | Solar |
| Agawam Solar | Citizens Enterprises Corporation | Agawam, MA | ISO New England (ISNE) | 2.0 GWh | Feb 2012 | Dec 2025 | Solar |
| Scituate Wind | Scituate Wind LLC | Scituate, MA | ISO New England (ISNE) | 2.5 GWh | Feb 2012 | Dec 2025 | Wind |
| Dorchester Solar Site | Massachusetts Electric Co | Dorchester, MA | ISO New England (ISNE) | 1.6 GWh | Dec 2011 | Dec 2025 | Solar |
| Indian Orchard PV Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2011 | Dec 2025 | Solar |
| Holyoke Solar Cooperative at Mueller | Holyoke Solar LLC | Holyoke, MA | ISO New England (ISNE) | 3.8 GWh | Nov 2011 | Dec 2025 | Solar |
| Berkshire 1 | PPS Berkshire Solar LLC | Sheffield, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2011 | Dec 2024 | Solar |
| Charlestown Wind Turbine | MWRA Charlestown | Charlestown, MA | ISO New England (ISNE) | 1.3 GWh | Sep 2011 | Dec 2025 | Wind |
| Southbridge Landfill Gas-to-Energy | Southbridge Recycling and Disposal Park | Southbridge, MA | ISO New England (ISNE) | 9.6 GWh | Sep 2011 | Dec 2025 | Landfill Gas |
| Berkshire Wind Power Project | Massachusetts Mun Wholes Electric Co | Lanesboro, MA | ISO New England (ISNE) | 31.9 GWh | Apr 2011 | May 2026 | Wind |
| Ipswich Wind Turbine | Town of Ipswich - (MA) | Ipswich, MA | ISO New England (ISNE) | 2.1 GWh | Apr 2011 | Dec 2025 | Wind |
| Dartmouth Solar | RWE Clean Energy | Dartmouth, MA | ISO New England (ISNE) | 2.3 GWh | Feb 2011 | Dec 2025 | Solar |
| Mt Wachusett Community College | Mt Wachusett Community College | Gardner, MA | ISO New England (ISNE) | 4.0 GWh | Feb 2011 | May 2026 | Wind |
| Haverhill Solar Power Project | Massachusetts Electric Co | Haverhill, MA | ISO New England (ISNE) | 1.2 GWh | Nov 2010 | Dec 2025 | Solar |
| Silver Lake Solar Photovoltaic Facility | Western Massachusetts Electric Company | Pittsfield, MA | ISO New England (ISNE) | 2.4 GWh | Nov 2010 | Dec 2025 | Solar |
| Notus Wind 1 | Notus Clean Energy LLC | E. Falmouth, MA | ISO New England (ISNE) | 5.0 GWh | Jun 2010 | Dec 2025 | Wind |
| NEDC Solar Site | Massachusetts Electric Co | Whitinsville, MA | ISO New England (ISNE) | 953.0 MWh | May 2010 | Dec 2025 | Solar |
| Princeton Wind Farm | Town of Princeton - (MA) | Princeton, MA | ISO New England (ISNE) | 4.0 GWh | Dec 2009 | Dec 2025 | Wind |
| MA Military Reservation Wind Project | Air Force Civil Engineer Center | Otis ANG Base Bourne, MA | ISO New England (ISNE) | 5.1 GWh | Nov 2009 | Dec 2025 | Wind |
| Smith College Central Heating Plant | The Trustees of Smith College | Northampton, MA | ISO New England (ISNE) | 6.5 GWh | Sep 2008 | Dec 2025 | Natural Gas |
| Fitchburg Gas Recovery | WM Renewable Energy LLC | Westminster, MA | ISO New England (ISNE) | 31.7 GWh | Sep 2007 | Dec 2025 | Landfill Gas |
| Central Heating Plant | University of Massachusetts Amherst | Amherst, MA | ISO New England (ISNE) | 79.6 GWh | Sep 2007 | Dec 2025 | Natural Gas : 96.3% Distillate Fuel Oil : 3.7% |
| Jiminy Peak Wind QF | Jiminy Peak Mountain Resort, LLC | Hancock, MA | ISO New England (ISNE) | 2.0 MWh | Jul 2007 | Apr 2025 | Wind |
| Amherst College Co Gen | Amherst College | Amherst, MA | ISO New England (ISNE) | 8.2 GWh | Oct 2006 | Dec 2025 | Natural Gas |
| Greater New Bedford LFG Utiliz. Facility | CommonWealth New Bedford Energy LLC | New Bedford, MA | ISO New England (ISNE) | 13.4 GWh | Sep 2005 | Dec 2025 | Landfill Gas |
| Ameresco Chicopee Energy | AMERESCO Chicopee Energy LLC | Chicopee, MA | ISO New England (ISNE) | 3.7 GWh | Jan 2004 | Dec 2025 | Landfill Gas |
| Fore River Generating Station | Calpine Fore River Energy Center, LLC | North Weymouth, MA | ISO New England (ISNE) | 2.8 TWh | Jul 2003 | May 2026 | Natural Gas : 92.7% Distillate Fuel Oil : 7.3% |
| Williams College - Campus CHP | President & Trustees of Williams College | Williamstown, MA | ISO New England (ISNE) | 3.2 GWh | Feb 2003 | Dec 2025 | Natural Gas : 98.4% Distillate Fuel Oil : 1.6% |
| ANP Bellingham Energy Project | Bellingham Power Generation LLC | Bellingham, MA | ISO New England (ISNE) | 3.1 TWh | Oct 2002 | May 2026 | Natural Gas |
| Granby LFG | Industrial Power Services Corp. | Granby, MA | ISO New England (ISNE) | 1.7 GWh | Aug 2001 | Dec 2025 | Landfill Gas |
| ANP Blackstone Energy Project | ANP Blackstone Energy Company LLC | Blackstone, MA | ISO New England (ISNE) | 2.9 TWh | May 2001 | May 2026 | Natural Gas |
| Millennium Power | Millennium Power Company, LLC | Charlton, MA | ISO New England (ISNE) | 995.2 GWh | Mar 2001 | May 2026 | Natural Gas |
| Berkshire Power | Berkshire Power Co LLC | Agawam, MA | ISO New England (ISNE) | 809.5 GWh | Aug 1999 | Dec 2025 | Natural Gas |
| Dighton Power Plant | Dighton Power, LLC | Dighton, MA | ISO New England (ISNE) | 275.5 GWh | Apr 1999 | Dec 2025 | Natural Gas |
| MM Taunton Energy | MM Taunton Energy LLC | Taunton, MA | ISO New England (ISNE) | 6.9 GWh | Aug 1997 | Dec 2025 | Landfill Gas |
| Deer Island Treatment Plant | Massachusetts Wtr Rauth-Deer I | Winthrop, MA | ISO New England (ISNE) | 33.2 GWh | Jul 1995 | May 2026 | Other Biomass Gas : 82.5% Distillate Fuel Oil : 13.1% Wind : 2.7% Solar : 1.8% |
| Mass Inst Tech Cntrl Utilities/Cogen Plt | Massachusetts Inst of Tech | Cambridge, MA | ISO New England (ISNE) | 209.4 GWh | May 1995 | Dec 2025 | Natural Gas |
| Masspower | Masspower | Indian Orchard, MA | ISO New England (ISNE) | 441.7 GWh | Jun 1993 | Dec 2025 | Natural Gas |
| Milford Power LP | Milford Power LLC | Milford, MA | ISO New England (ISNE) | 253.3 GWh | Feb 1993 | Dec 2025 | Natural Gas |
| NE Renewable Fitchburg, LLC | NE Renewable Fitchburg, LLC | Westminster, MA | ISO New England (ISNE) | 78.7 GWh | Jul 1992 | Dec 2025 | Wood/Wood Waste Solids : 98.7% Natural Gas : 1.3% |
| Dartmouth Power Associates LP | Dartmouth Energy Center | Dartmouth, MA | ISO New England (ISNE) | 88.9 GWh | Feb 1992 | Dec 2025 | Natural Gas : 96.7% Distillate Fuel Oil : 3.3% |
| Bellingham Cogeneration Facility | Northeast Energy Associates LP | Bellingham, MA | ISO New England (ISNE) | 367.8 GWh | Aug 1991 | Dec 2024 | Natural Gas : 99.9% |
| Pittsfield Generating LP | Pittsfield Generating Company, LP | Pittsfield, MA | ISO New England (ISNE) | 136.2 GWh | Jun 1990 | May 2026 | Natural Gas : 96.9% Distillate Fuel Oil : 3.1% |
| Covanta Haverhill | Ogden Projects Inc-Haverhill | Haverhill, MA | ISO New England (ISNE) | 287.3 GWh | Apr 1989 | May 2026 | Non-biogenic Municipal Solid Waste : 52.8% Biogenic Municipal Solid Waste : 43.2% Distillate Fuel Oil : 4.1% |
| SEMASS Resource Recovery | SEMASS Partnership | West Wareham, MA | ISO New England (ISNE) | 553.0 GWh | Jun 1988 | May 2026 | Non-biogenic Municipal Solid Waste : 54.0% Biogenic Municipal Solid Waste : 44.2% Natural Gas : 1.7% |
| Wheelabrator Millbury Facility | Wheelabrator Environmental Systems | Millbury, MA | ISO New England (ISNE) | 288.2 GWh | Aug 1987 | May 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Boott Hydropower | Boott Hydro, LLC - Hybrid | Lowell, MA | ISO New England (ISNE) | 60.8 GWh | Sep 1985 | Dec 2025 | Water |
| Wheelabrator Saugus | Wheelabrator Environmental Systems | Saugus, MA | ISO New England (ISNE) | 180.5 GWh | Jul 1985 | May 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Wellesley College Central Utility Plant | Wellesley College | Wellesley, MA | ISO New England (ISNE) | 9.6 GWh | May 1985 | Dec 2025 | Natural Gas |
| Indian Orchard Plant 1 | Solutia Inc-Indian | Springfield, MA | ISO New England (ISNE) | 7.4 GWh | Apr 1985 | May 2026 | Natural Gas |
| Wheelabrator North Andover | Wheelabrator Environmental Systems | North Andover, MA | ISO New England (ISNE) | 240.5 GWh | Apr 1985 | May 2026 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
Browse Power Plants By Massachusetts Counties
Figures are based on May 2026 generation numbers.| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Franklin County, MA | # 13 | 33 | 182.1 GWh |
| Berkshire County, MA | # 12 | 46 | 198.8 GWh |
| Hampshire County, MA | # 11 | 39 | 226.9 GWh |
| Dukes County, MA | # 10 | 7 | 376.1 GWh |
| Suffolk County, MA | # 9 | 14 | 428.0 GWh |
| Barnstable County, MA | # 8 | 25 | 628.3 GWh |
| Bristol County, MA | # 7 | 74 | 645.8 GWh |
| County | State Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Plymouth County, MA | # 6 | 84 | 814.7 GWh |
| Hampden County, MA | # 5 | 89 | 1.9 TWh |
| Middlesex County, MA | # 4 | 68 | 1.9 TWh |
| Essex County, MA | # 3 | 41 | 2.5 TWh |
| Worcester County, MA | # 2 | 197 | 5.4 TWh |
| Norfolk County, MA | # 1 | 40 | 6.7 TWh |