Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Cabot Holyoke | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 6.1 GWh | Dec 1892 | Dec 2023 | Water |
| Turners Falls | FirstLight Power Resources, Inc. - MA | Montague, MA | ISO New England (ISNE) | 13.9 GWh | Dec 1904 | Dec 2023 | Water |
| Riverside Holyoke | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 40.4 GWh | Dec 1905 | Dec 2023 | Water |
| Indian River Hydro | Eagle Creek Renewable Energy, LLC | Russell, MA | ISO New England (ISNE) | 1.8 GWh | Nov 1909 | Dec 2023 | Water |
| Deerfield 3 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 34.4 GWh | Jul 1912 | Dec 2023 | Water |
| Deerfield 4 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 29.0 GWh | Jul 1912 | Dec 2023 | Water |
| International Paper Woronoco Mill | Eagle Creek Renewable Energy, LLC | Woronoco, MA | ISO New England (ISNE) | 6.2 GWh | Dec 1912 | Dec 2023 | Water |
| Deerfield 2 | Great River Hydro, LLC | Conway, MA | ISO New England (ISNE) | 39.4 GWh | Jul 1913 | Dec 2023 | Water |
| Gardners Falls | Central Rivers Power MA, LLC | Buckland, MA | ISO New England (ISNE) | 17.7 GWh | Dec 1913 | Dec 2023 | Water |
| Cabot | FirstLight Power Resources, Inc. - MA | Montague, MA | ISO New England (ISNE) | 394.4 GWh | Dec 1914 | Dec 2023 | Water |
| Putts Bridge | Central Rivers Power MA, LLC | Ludlow, MA | ISO New England (ISNE) | 22.2 GWh | Dec 1917 | Dec 2023 | Water |
| Dwight | Central Rivers Power MA, LLC | Chicopee, MA | ISO New England (ISNE) | 9.8 GWh | Dec 1919 | Dec 2023 | Water |
| Pepperell Hydro Power Plant | Eagle Creek Renewable Energy, LLC | Pepperell, MA | ISO New England (ISNE) | 7.7 GWh | Dec 1919 | Aug 2024 | Water |
| Boatlock | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 21.3 GWh | Dec 1920 | Dec 2023 | Water |
| Redbridge | Central Rivers Power MA, LLC | Wilbraham, MA | ISO New England (ISNE) | 17.7 GWh | Dec 1925 | Aug 2023 | Water |
| Sherman | Great River Hydro, LLC | Rowe, MA | ISO New England (ISNE) | 35.5 GWh | Nov 1926 | Dec 2023 | Water |
| Indian Orchard | Central Rivers Power MA, LLC | Indian Orchard, MA | ISO New England (ISNE) | 10.6 GWh | Dec 1927 | Dec 2023 | Water |
| Cobble Mountain | City of Holyoke Gas and Electric Dept. | Granville, MA | ISO New England (ISNE) | 10.5 GWh | Dec 1929 | Dec 2023 | Water |
| Chemical | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 7.4 GWh | Dec 1934 | Dec 2023 | Water |
| High Street Station | Town of Ipswich - (MA) | Ipswich, MA | ISO New England (ISNE) | 28.0 MWh | May 1937 | Dec 2023 | Natural Gas : 75.8% Distillate Fuel Oil : 24.2% |
| Rousselot Inc | Rousselot Inc | Peabody, MA | ISO New England (ISNE) | 15.0 GWh | Apr 1947 | Nov 2023 | Natural Gas |
| General Electric Aircraft Engines | General Electric Aircraft Engines | Lynn, MA | ISO New England (ISNE) | 2.3 GWh | Dec 1947 | Aug 2024 | Solar |
| Kendall Square Station | Kendall Green Energy, LLC | Cambridge, MA | ISO New England (ISNE) | 1.6 TWh | May 1949 | Aug 2024 | Natural Gas : 99.8% |
| Cherry Street | Town of Hudson - (MA) | Hudson, MA | ISO New England (ISNE) | 417.0 MWh | Apr 1951 | Dec 2023 | Distillate Fuel Oil : 73.9% Natural Gas : 26.1% |
| Oakdale Power Station | Massachusetts Water Res Auth | West Boylston, MA | ISO New England (ISNE) | 12.0 GWh | Apr 1951 | Dec 2023 | Water |
| Hadley Falls | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 218.2 GWh | Dec 1951 | Dec 2023 | Water |
| Potter Station 2 | Town of Braintree - (MA) | Braintree, MA | ISO New England (ISNE) | 32.3 GWh | Jun 1963 | Dec 2023 | Natural Gas : 88.2% Distillate Fuel Oil : 11.8% |
| Cleary Flood Hybrid | City of Taunton | Taunton, MA | ISO New England (ISNE) | 49.6 GWh | May 1966 | Dec 2023 | Natural Gas : 95.5% Distillate Fuel Oil : 4.5% |
| Canal | Canal Generating LLC | Sandwich, MA | ISO New England (ISNE) | 201.6 GWh | May 1968 | Aug 2024 | Natural Gas : 77.7% Residual Fuel Oil : 21.1% Distillate Fuel Oil : 1.2% |
| Oak Bluffs Diesel Generating Facility | Vineyard Reliability LLC | Oak Bluffs, MA | ISO New England (ISNE) | 1.3 GWh | Dec 1968 | Dec 2023 | Distillate Fuel Oil |
| Cosgrove Intake and Power Station | Massachusetts Water Res Auth | Clinton, MA | ISO New England (ISNE) | 5.3 GWh | Dec 1968 | Dec 2023 | Water |
| Mystic Generating Station | Constellation Mystic Power LLC | Charlestown, MA | ISO New England (ISNE) | 1.8 TWh | May 1969 | Mar 2024 | Natural Gas |
| Exelon Framingham LLC | Constellation Power, Inc | Framingham, MA | ISO New England (ISNE) | 792.0 MWh | Aug 1969 | Dec 2023 | Distillate Fuel Oil |
| Exelon Medway LLC | Constellation Power, Inc | Medway, MA | ISO New England (ISNE) | 3.7 GWh | Jun 1970 | Dec 2023 | Distillate Fuel Oil |
| Gillette SBMC | The Gillette Company | Boston, MA | ISO New England (ISNE) | 61.0 GWh | Jan 1971 | Aug 2024 | Natural Gas : 99.9% |
| Waters River | City of Peabody - (MA) | Peabody, MA | ISO New England (ISNE) | 4.3 GWh | Nov 1971 | Dec 2023 | Natural Gas : 76.6% Distillate Fuel Oil : 23.4% |
| UMass Boston | UMass Boston | Dorchester, MA | ISO New England (ISNE) | 659.0 MWh | Dec 1971 | Dec 2023 | Solar : 91.2% Distillate Fuel Oil : 8.8% |
| Univ of Massachusetts Medical Center | University of Massachusetts Medical | Worcester, MA | ISO New England (ISNE) | 68.1 GWh | Mar 1974 | Dec 2023 | Natural Gas : 97.4% Residual Fuel Oil : 2.4% |
| Framingham State University Plant | Framingham State University | Framingham, MA | ISO New England (ISNE) | 72.0 MWh | May 1974 | Aug 2024 | Solar : 81.9% Distillate Fuel Oil : 18.1% |
| Deerfield 5 | Great River Hydro, LLC | Florida, MA | ISO New England (ISNE) | 63.1 GWh | Sep 1974 | Dec 2023 | Water |
| Fife Brook | Bear Swamp Power Company LLC | Florida, MA | ISO New England (ISNE) | 33.4 GWh | Sep 1974 | Dec 2023 | Water |
| West Tisbury Generating Facility | Vineyard Reliability LLC | West Tisbury, MA | ISO New England (ISNE) | 1.8 GWh | Dec 1974 | Dec 2023 | Distillate Fuel Oil |
| Wilkins Station | Town of Marblehead - (MA) | Marblehead, MA | ISO New England (ISNE) | 78.0 MWh | Oct 1975 | Dec 2023 | Distillate Fuel Oil |
| Front Street | City of Chicopee - (MA) | Chicopee, MA | ISO New England (ISNE) | 476.0 MWh | Dec 1977 | Dec 2023 | Distillate Fuel Oil |
| M Street Jet | Massachusetts Bay Trans Auth | Boston, MA | ISO New England (ISNE) | 275.0 MWh | Apr 1979 | Dec 2023 | Kerosene |
| Medical Area Total Energy Plant | MATEP LLC | Boston, MA | ISO New England (ISNE) | 338.6 GWh | Dec 1979 | Dec 2023 | Natural Gas : 99.7% |
| Lawrence Hydroelectric Associates | Central Rivers Power US, LLC | Lawrence, MA | ISO New England (ISNE) | 94.2 GWh | Jun 1981 | Dec 2023 | Water |
| Stony Brook | Massachusetts Mun Wholes Electric Co | Ludlow, MA | ISO New England (ISNE) | 26.3 GWh | Oct 1981 | Aug 2024 | Distillate Fuel Oil : 98.4% Natural Gas : 1.6% |
| Texon Hydroelectric Project | Hitchcock Hydro, LLC | Russell, MA | ISO New England (ISNE) | 6.1 GWh | Dec 1981 | Dec 2023 | Water |
| Collins Facility | Elevate Power Management LLC | Wilbraham, MA | ISO New England (ISNE) | 6.8 GWh | Feb 1985 | Dec 2023 | Water |
| Wheelabrator North Andover | Wheelabrator Environmental Systems | North Andover, MA | ISO New England (ISNE) | 240.6 GWh | Apr 1985 | Aug 2024 | 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) | 480.2 MWh | May 1985 | Dec 2023 | Natural Gas |
| Wheelabrator Saugus | Wheelabrator Environmental Systems | Saugus, MA | ISO New England (ISNE) | 225.3 GWh | Jul 1985 | Aug 2024 | 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) | 55.7 GWh | Sep 1985 | Dec 2022 | Water |
| Wheelabrator Millbury Facility | Wheelabrator Environmental Systems | Millbury, MA | ISO New England (ISNE) | 319.9 GWh | Aug 1987 | Aug 2024 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| SEMASS Resource Recovery | SEMASS Partnership | West Wareham, MA | ISO New England (ISNE) | 567.6 GWh | Jun 1988 | Aug 2024 | Non-biogenic Municipal Solid Waste : 54.2% Biogenic Municipal Solid Waste : 44.4% Natural Gas : 1.3% |
| Covanta Haverhill | Ogden Projects Inc-Haverhill | Haverhill, MA | ISO New England (ISNE) | 342.0 GWh | Apr 1989 | Aug 2024 | Non-biogenic Municipal Solid Waste : 54.9% Biogenic Municipal Solid Waste : 44.9% |
| Pittsfield Generating LP | Pittsfield Generating Company, LP | Pittsfield, MA | ISO New England (ISNE) | 33.7 GWh | Jun 1990 | Aug 2024 | Natural Gas : 99.3% Distillate Fuel Oil : 0.7% |
| Bellingham Cogeneration Facility | Northeast Energy Associates LP | Bellingham, MA | ISO New England (ISNE) | 102.2 GWh | Aug 1991 | Nov 2023 | Natural Gas : 88.2% Distillate Fuel Oil : 11.8% |
| Dartmouth Power Associates LP | Morris Energy Operations Company, LLC | Dartmouth, MA | ISO New England (ISNE) | 34.8 GWh | Feb 1992 | Dec 2023 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| NE Renewable Fitchburg, LLC | NE Renewable Fitchburg, LLC | Westminster, MA | ISO New England (ISNE) | 36.4 GWh | Jul 1992 | Dec 2023 | Wood/Wood Waste Solids : 97.6% Natural Gas : 2.4% |
| Milford Power LP | Milford Power LLC | Milford, MA | ISO New England (ISNE) | 210.3 GWh | Feb 1993 | Dec 2023 | Natural Gas |
| Masspower | Masspower | Indian Orchard, MA | ISO New England (ISNE) | 609.1 GWh | Jun 1993 | Dec 2023 | Natural Gas |
| Mass Inst Tech Cntrl Utilities/Cogen Plt | Massachusetts Inst of Tech | Cambridge, MA | ISO New England (ISNE) | 204.5 GWh | May 1995 | Dec 2023 | Natural Gas |
| Deer Island Treatment Plant | Massachusetts Wtr Rauth-Deer I | Winthrop, MA | ISO New England (ISNE) | 37.5 GWh | Jul 1995 | Aug 2024 | Other Biomass Gas : 70.5% Distillate Fuel Oil : 16.1% Water : 10.2% Solar : 1.6% Wind : 1.6% |
| IXYS - Beverly | IXYS Integrated Circuits Division, LLC | Beverly, MA | ISO New England (ISNE) | 23.0 MWh | Dec 1996 | Dec 2023 | Distillate Fuel Oil : 58.5% Natural Gas : 41.5% |
| MM Taunton Energy | MM Taunton Energy LLC | Taunton, MA | ISO New England (ISNE) | 8.1 GWh | Aug 1997 | Dec 2023 | Landfill Gas |
| Dighton Power Plant | Dighton Power, LLC | Dighton, MA | ISO New England (ISNE) | 358.4 GWh | Apr 1999 | Dec 2023 | Natural Gas |
| Berkshire Power | Berkshire Power Co LLC | Agawam, MA | ISO New England (ISNE) | 70.1 GWh | Aug 1999 | Dec 2023 | Natural Gas |
| GRS Fall River | Gas Recovery Systems Inc | Fall River, MA | ISO New England (ISNE) | 121.0 MWh | Jun 2000 | Dec 2022 | Landfill Gas |
| Millennium Power | Millennium Power Company, LLC | Charlton, MA | ISO New England (ISNE) | 809.4 GWh | Mar 2001 | Aug 2024 | Natural Gas |
| ANP Blackstone Energy Project | ANP Blackstone Energy Company LLC | Blackstone, MA | ISO New England (ISNE) | 2.2 TWh | May 2001 | Aug 2024 | Natural Gas |
| Granby LFG | Industrial Power Services Corp. | Granby, MA | ISO New England (ISNE) | 2.9 GWh | Aug 2001 | Dec 2023 | Landfill Gas |
| ANP Bellingham Energy Project | Bellingham Power Generation LLC | Bellingham, MA | ISO New England (ISNE) | 2.6 TWh | Oct 2002 | Aug 2024 | Natural Gas |
| Williams College - Campus CHP | President & Trustees of Williams College | Williamstown, MA | ISO New England (ISNE) | 2.0 GWh | Feb 2003 | Dec 2023 | Natural Gas : 93.7% Distillate Fuel Oil : 6.3% |
| Fore River Generating Station | Calpine Fore River Energy Center, LLC | North Weymouth, MA | ISO New England (ISNE) | 2.8 TWh | Jul 2003 | Aug 2024 | Natural Gas : 99.8% |
| Ameresco Chicopee Energy | AMERESCO Chicopee Energy LLC | Chicopee, MA | ISO New England (ISNE) | 14.1 GWh | Jan 2004 | Dec 2023 | Landfill Gas |
| Greater New Bedford LFG Utiliz. Facility | CommonWealth New Bedford Energy LLC | New Bedford, MA | ISO New England (ISNE) | 19.9 GWh | Sep 2005 | Dec 2023 | Landfill Gas |
| Hull Wind II | Hull Municipal Light Plant | Hull, MA | ISO New England (ISNE) | 2.5 GWh | Apr 2006 | Apr 2023 | Wind |
| Amherst College Co Gen | Amherst College | Amherst, MA | ISO New England (ISNE) | 5.2 GWh | Oct 2006 | Dec 2023 | Natural Gas : 99.3% Distillate Fuel Oil : 0.7% |
| Jiminy Peak Wind QF | Jiminy Peak Mountain Resort, LLC | Hancock, MA | ISO New England (ISNE) | 1.0 MWh | Jul 2007 | Dec 2022 | Wind |
| Fitchburg Gas Recovery | WM Renewable Energy LLC | Westminster, MA | ISO New England (ISNE) | 30.7 GWh | Sep 2007 | Dec 2023 | Landfill Gas |
| Smith College Central Heating Plant | The Trustees of Smith College | Northampton, MA | ISO New England (ISNE) | 15.1 GWh | Sep 2008 | Dec 2023 | Natural Gas |
| MA Military Reservation Wind Project | Air Force Civil Engineer Center | Otis ANG Base Bourne, MA | ISO New England (ISNE) | 9.7 GWh | Nov 2009 | Dec 2023 | Wind |
| Princeton Wind Farm | Town of Princeton - (MA) | Princeton, MA | ISO New England (ISNE) | 2.8 GWh | Dec 2009 | Dec 2023 | Wind |
| NEDC Solar Site | Massachusetts Electric Co | Whitinsville, MA | ISO New England (ISNE) | 878.0 MWh | May 2010 | Dec 2023 | Solar |
| Notus Wind 1 | Notus Clean Energy LLC | E. Falmouth, MA | ISO New England (ISNE) | 4.1 GWh | Jun 2010 | Dec 2023 | Wind |
| Haverhill Solar Power Project | Massachusetts Electric Co | Haverhill, MA | ISO New England (ISNE) | 1.0 GWh | Nov 2010 | Dec 2023 | Solar |
| Silver Lake Solar Photovoltaic Facility | Western Massachusetts Electric Company | Pittsfield, MA | ISO New England (ISNE) | 1.4 GWh | Nov 2010 | Dec 2023 | Solar |
| Dartmouth Solar | Consolidated Edison Development Inc. | Dartmouth, MA | ISO New England (ISNE) | 2.5 GWh | Feb 2011 | Dec 2023 | Solar |
| Mt Wachusett Community College | Mt Wachusett Community College | Gardner, MA | ISO New England (ISNE) | 3.8 GWh | Feb 2011 | Aug 2024 | Wind |
| Ipswich Wind Turbine | Town of Ipswich - (MA) | Ipswich, MA | ISO New England (ISNE) | 3.1 GWh | Apr 2011 | Dec 2023 | Wind |
| Berkshire Wind Power Project | Massachusetts Mun Wholes Electric Co | Lanesboro, MA | ISO New England (ISNE) | 31.6 GWh | Apr 2011 | Aug 2024 | Wind |
| Southbridge Landfill Gas-to-Energy | Southbridge Recycling and Disposal Park | Southbridge, MA | ISO New England (ISNE) | 11.7 GWh | Sep 2011 | Dec 2023 | Landfill Gas |
| Charlestown Wind Turbine | MWRA Charlestown | Charlestown, MA | ISO New England (ISNE) | 1.1 GWh | Sep 2011 | Dec 2023 | Wind |
| Holyoke Solar Cooperative at Mueller | Holyoke Solar LLC | Holyoke, MA | ISO New England (ISNE) | 3.9 GWh | Nov 2011 | Dec 2023 | Solar |
| Berkshire 1 | PPS Berkshire Solar LLC | Sheffield, MA | ISO New England (ISNE) | 2.3 GWh | Nov 2011 | Dec 2023 | Solar |
| Indian Orchard PV Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 3.4 GWh | Nov 2011 | Dec 2023 | Solar |
| Dorchester Solar Site | Massachusetts Electric Co | Dorchester, MA | ISO New England (ISNE) | 181.0 MWh | Dec 2011 | Dec 2023 | Solar |
| Waste Water Treatment Plant | City of Pittsfield | Pittsfield, MA | ISO New England (ISNE) | 763.0 MWh | Dec 2011 | Dec 2022 | Solar |
Browse Power Plants By Massachusetts Counties
Figures are based on August 2024 generation numbers.| County | State Rank | Active Plants | Aug 2024 Generation |
|---|---|---|---|
| Norfolk County, MA | # 1 | 36 | 5.9 TWh |
| Worcester County, MA | # 2 | 188 | 4.4 TWh |
| Middlesex County, MA | # 3 | 65 | 3.8 TWh |
| Essex County, MA | # 4 | 37 | 2.1 TWh |
| Hampden County, MA | # 5 | 84 | 1.3 TWh |
| Plymouth County, MA | # 6 | 73 | 849.2 GWh |
| Bristol County, MA | # 7 | 68 | 674.3 GWh |
| County | State Rank | Active Plants | Aug 2024 Generation |
|---|---|---|---|
| Franklin County, MA | # 8 | 31 | 500.0 GWh |
| Suffolk County, MA | # 9 | 13 | 455.9 GWh |
| Barnstable County, MA | # 10 | 21 | 268.8 GWh |
| Hampshire County, MA | # 11 | 35 | 139.7 GWh |
| Berkshire County, MA | # 12 | 37 | 58.0 GWh |
| Dukes County, MA | # 13 | 7 | 7.9 GWh |