Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Framingham State University Plant | Framingham State University | Framingham, MA | ISO New England (ISNE) | 80.0 MWh | May 1974 | Jan 2025 | Solar : 70.0% Distillate Fuel Oil : 30.0% |
| Dept of Corrections NCCI Wind | Dept of Corrections NCCI Wind | Gardner, MA | ISO New England (ISNE) | 5.6 GWh | Oct 2013 | Jan 2025 | Wind |
| Kendall Square Station | Kendall Green Energy, LLC | Cambridge, MA | ISO New England (ISNE) | 1.6 TWh | May 1949 | Jan 2025 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| Cape Cod Air Force Station - 6 SWS | US Air Force | Sagamore, MA | ISO New England (ISNE) | 4.7 GWh | Dec 2013 | Jan 2025 | Wind |
| Canal | Canal Generating LLC | Sandwich, MA | ISO New England (ISNE) | 305.7 GWh | May 1968 | Jan 2025 | Natural Gas : 73.1% Residual Fuel Oil : 24.1% Distillate Fuel Oil : 2.7% |
| Spring Hill Road | AES Distributed Energy | Barre, MA | ISO New England (ISNE) | 273.0 MWh | Nov 2015 | Jan 2025 | Solar |
| Cottage Street Solar Facility | Western Massachusetts Electric Company | Springfield, MA | ISO New England (ISNE) | 2.9 GWh | Apr 2014 | Jan 2025 | Solar |
| Exelon West Medway II LLC | Constellation Power, Inc | Medway, MA | ISO New England (ISNE) | 208.8 GWh | Feb 2019 | Jan 2025 | Natural Gas : 98.1% Kerosene : 1.9% |
| Outer Cape Community Battery | Eversource | Provincetown, MA | ISO New England (ISNE) | 49.0 MWh | Nov 2022 | Jan 2025 | Electricity used for energy storage |
| Southbridge Solar | AES Distributed Energy | Southbridge, MA | ISO New England (ISNE) | 2.6 GWh | Feb 2016 | Jan 2025 | Solar |
| Mt Wachusett Community College | Mt Wachusett Community College | Gardner, MA | ISO New England (ISNE) | 4.3 GWh | Feb 2011 | Jan 2025 | Wind |
| Berkshire Wind Power Project | Massachusetts Mun Wholes Electric Co | Lanesboro, MA | ISO New England (ISNE) | 27.2 GWh | Apr 2011 | Jan 2025 | Wind |
| New England Wind LLC | Avangrid Renewables LLC | Florida, MA | ISO New England (ISNE) | 66.8 GWh | Nov 2012 | Jan 2025 | Wind |
| Fore River Generating Station | Calpine Fore River Energy Center, LLC | North Weymouth, MA | ISO New England (ISNE) | 3.3 TWh | Jul 2003 | Jan 2025 | Natural Gas : 96.0% Distillate Fuel Oil : 4.0% |
| ANP Blackstone Energy Project | ANP Blackstone Energy Company LLC | Blackstone, MA | ISO New England (ISNE) | 2.0 TWh | May 2001 | Jan 2025 | Natural Gas |
| ANP Bellingham Energy Project | Bellingham Power Generation LLC | Bellingham, MA | ISO New England (ISNE) | 2.7 TWh | Oct 2002 | Jan 2025 | Natural Gas |
| Montague Site 36-Grosolar | NSTAR Electric Company | Millers Falls, MA | ISO New England (ISNE) | 6.0 GWh | Sep 2018 | Jan 2025 | Solar |
| Southwick Solar PV | NSTAR Electric Company | Southwick, MA | ISO New England (ISNE) | 8.7 GWh | Dec 2018 | Jan 2025 | Solar |
| Erving Paper Mills | Erving Paper Mills Inc | Erving, MA | ISO New England (ISNE) | 42.8 GWh | Nov 2013 | Jan 2025 | Natural Gas : 98.5% Distillate Fuel Oil : 1.5% |
| Gillette SBMC | The Gillette Company | Boston, MA | ISO New England (ISNE) | 60.6 GWh | Jan 1971 | Jan 2025 | Natural Gas : 99.9% |
| Wheelabrator Saugus | Wheelabrator Environmental Systems | Saugus, MA | ISO New England (ISNE) | 228.9 GWh | Jul 1985 | Jan 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Stony Brook | Massachusetts Mun Wholes Electric Co | Ludlow, MA | ISO New England (ISNE) | 64.2 GWh | Oct 1981 | Jan 2025 | Distillate Fuel Oil : 73.9% Natural Gas : 26.1% |
| Wheelabrator Millbury Facility | Wheelabrator Environmental Systems | Millbury, MA | ISO New England (ISNE) | 319.2 GWh | Aug 1987 | Jan 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Wheelabrator North Andover | Wheelabrator Environmental Systems | North Andover, MA | ISO New England (ISNE) | 240.3 GWh | Apr 1985 | Jan 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Covanta Haverhill | Ogden Projects Inc-Haverhill | Haverhill, MA | ISO New England (ISNE) | 343.0 GWh | Apr 1989 | Jan 2025 | Non-biogenic Municipal Solid Waste : 54.8% Biogenic Municipal Solid Waste : 44.9% |
| SEMASS Resource Recovery | SEMASS Partnership | West Wareham, MA | ISO New England (ISNE) | 563.9 GWh | Jun 1988 | Jan 2025 | Non-biogenic Municipal Solid Waste : 54.1% Biogenic Municipal Solid Waste : 44.3% Natural Gas : 1.6% |
| Pittsfield Generating LP | Pittsfield Generating Company, LP | Pittsfield, MA | ISO New England (ISNE) | 29.7 GWh | Jun 1990 | Jan 2025 | Natural Gas : 95.3% Distillate Fuel Oil : 4.7% |
| Salem Harbor Power Development LP | Salem Harbor Power Development LP | Salem, MA | ISO New England (ISNE) | 1.1 TWh | Apr 2018 | Jan 2025 | Natural Gas |
| Deer Island Treatment Plant | Massachusetts Wtr Rauth-Deer I | Winthrop, MA | ISO New England (ISNE) | 36.0 GWh | Jul 1995 | Jan 2025 | Other Biomass Gas : 76.0% Distillate Fuel Oil : 13.4% Water : 6.8% Wind : 2.1% Solar : 1.8% |
| Pepperell Hydro Power Plant | Eagle Creek Renewable Energy, LLC | Pepperell, MA | ISO New England (ISNE) | 5.1 GWh | Dec 1919 | Jan 2025 | Water |
| General Electric Aircraft Engines | General Electric Aircraft Engines | Lynn, MA | ISO New England (ISNE) | 2.3 GWh | Dec 1947 | Jan 2025 | Solar |
| Millennium Power | Millennium Power Company, LLC | Charlton, MA | ISO New England (ISNE) | 520.6 GWh | Mar 2001 | Dec 2024 | Natural Gas |
| Mystic Generating Station | Constellation Mystic Power LLC | Charlestown, MA | ISO New England (ISNE) | 1.8 TWh | May 1969 | Mar 2024 | Natural Gas |
| Lane Ave Solar LLC | AES Distributed Energy | North Brookfield, MA | ISO New England (ISNE) | 2.0 GWh | Aug 2021 | Dec 2023 | Solar |
| GELD Solar Farm | Ameresco, Inc - GELD | Groton, MA | ISO New England (ISNE) | 3.5 GWh | May 2016 | Dec 2023 | Solar |
| Braintree Landfill Solar | Ameresco, Inc - Braintree | Braintree, MA | ISO New England (ISNE) | 1.2 GWh | Nov 2014 | Dec 2023 | Solar |
| West Water Street | City of Taunton | Taunton, MA | ISO New England (ISNE) | 1.3 GWh | Dec 2017 | Dec 2023 | Distillate Fuel Oil |
| Washburn Road Solar | REA Investments, LLC | Freetown, MA | ISO New England (ISNE) | 3.0 GWh | Nov 2018 | Dec 2023 | Solar |
| Happy Hollow CSG Hybrid | REA Investments, LLC | Winchendon, MA | ISO New England (ISNE) | 8.0 GWh | Sep 2019 | Dec 2023 | Solar |
| CED Northampton Solar LLC Hybrid | Consolidated Edison Development Inc. | Northampton, MA | ISO New England (ISNE) | 6.5 GWh | Nov 2019 | Dec 2023 | Solar |
| Bridgewater Complex Co-Generation Plant | Massachusetts Department of Correction | Bridgewater, MA | ISO New England (ISNE) | 8.6 GWh | Oct 2015 | Dec 2023 | Natural Gas |
| Hopkinton CSG | Altus Power America Management, LLC | Hopkinton, MA | ISO New England (ISNE) | 2.7 GWh | Mar 2019 | Dec 2023 | Solar |
| Carver CSG | Altus Power America Management, LLC | Carver, MA | ISO New England (ISNE) | 1.7 GWh | Apr 2019 | Dec 2023 | Solar |
| GSPP Devens, LLC | Green Street Power Partners | Ayer, MA | ISO New England (ISNE) | 3.1 GWh | Dec 2018 | Dec 2023 | Solar |
| GSPP Terrawatt Westfield LLC CSG | Green Street Power Partners | Westfield, MA | ISO New England (ISNE) | 5.9 GWh | Jan 2019 | Dec 2023 | Solar |
| GSPP Raynham TMLP, LLC CSG | Green Street Power Partners | Raynham, MA | ISO New England (ISNE) | 3.7 GWh | Jan 2019 | Dec 2023 | Solar |
| Ajax Solar, LLC (MA) | Green Street Power Partners | West Bridgewater, MA | ISO New England (ISNE) | 4.2 GWh | Nov 2017 | Dec 2023 | Solar |
| Nextsun Energy Littleton | Greenbacker Renewable Energy Corporation | Littleton, MA | ISO New England (ISNE) | 5.2 GWh | Sep 2013 | Dec 2023 | Solar |
| Gardner - Otter River Road | Otter River Road Solar LLC | Gardner, MA | ISO New England (ISNE) | 3.9 GWh | Sep 2019 | Dec 2023 | Solar |
| GSPP Boxborough Littleton (MA) | GSPP Boxborough Littleton, LLC | Boxborough, MA | ISO New England (ISNE) | 5.2 GWh | Dec 2018 | Dec 2023 | Solar |
| Holiday Hill Community Wind | Greenbacker Renewable Energy Corporation | Russell, MA | ISO New England (ISNE) | 9.5 GWh | Nov 2019 | Dec 2023 | Wind |
| Weston Landfill Solar | Ameresco, Inc - Weston | Weston, MA | ISO New England (ISNE) | 2.8 GWh | Feb 2016 | Dec 2023 | Solar |
| Kearsarge Gill | Kearsarge Gill LLC | Gill, MA | ISO New England (ISNE) | 2.8 GWh | Dec 2017 | Dec 2023 | Solar |
| Syncarpha Tewksbury Hybrid CSG | Syncarpha Tewksbury, LLC | Tewksbury, MA | ISO New England (ISNE) | 4.1 GWh | Jan 2022 | Dec 2023 | Solar |
| Antanavica Solar | Cypress Creek Renewables | Leicester, MA | ISO New England (ISNE) | 1.5 GWh | Jul 2018 | Dec 2023 | Solar |
| 301 Chestnut Solar NG | NuGen Capital Management | East Longmeadow, MA | ISO New England (ISNE) | 2.4 GWh | Mar 2017 | Dec 2023 | Solar |
| Syncarpha Westminster Hybrid CSG | Syncarpha Westminster, LLC | Westminster, MA | ISO New England (ISNE) | 6.4 GWh | Oct 2022 | Dec 2023 | Solar |
| Syncarpha Leicester Hybrid CSG | Syncarpha Leicester, LLC | Leicester, MA | ISO New England (ISNE) | 4.4 GWh | May 2021 | Dec 2023 | Solar : 99.5% Electricity used for energy storage : 0.5% |
| Big George PV CSG | Altus Power America Management, LLC | Plymouth, MA | ISO New England (ISNE) | 1.4 GWh | Aug 2018 | Dec 2023 | Solar |
| Syncarpha Halifax Hybrid CSG | Syncarpha Halifax, LLC | Halifax, MA | ISO New England (ISNE) | 2.7 GWh | Nov 2020 | Dec 2023 | Solar : 99.0% |
| Syncarpha Millbury Hybrid (CSG) | Syncarpha Millbury, LLC | Millbury, MA | ISO New England (ISNE) | 7.8 GWh | Sep 2022 | Dec 2023 | Solar |
| Syncarpha Blandford Hybrid CSG | Syncarpha Blandford, LLC | Blandford, MA | ISO New England (ISNE) | 8.1 GWh | Nov 2019 | Dec 2023 | Solar |
| Syncarpha Northampton Hybrid CSG | Syncarpha Northampton, LLC | Northampton, MA | ISO New England (ISNE) | 5.0 GWh | Nov 2020 | Dec 2023 | Solar |
| Syncarpha Northbridge I Hybrid(CSG) | Syncarpha Northbridge I, LLC | Whitinsville, MA | ISO New England (ISNE) | 8.6 GWh | Nov 2021 | Dec 2023 | Solar |
| Syncarpha Northbridge II Hybrid CSG | Syncarpha Northbridge II, LLC | Whitinsville, MA | ISO New England (ISNE) | 8.3 GWh | Mar 2021 | Dec 2023 | Solar |
| Goose Pond Solar | LSE Dorado, LLC | Southwick, MA | ISO New England (ISNE) | 7.0 GWh | Dec 2019 | Dec 2023 | Solar |
| Cronin Road Solar 1, LLC CSG Hybrid | AES Distributed Energy | Warren, MA | ISO New England (ISNE) | 3.5 GWh | May 2020 | Dec 2023 | Solar : 99.7% |
| Cycz Solar Project CSG Hybrid | AES Distributed Energy | Spencer, MA | ISO New England (ISNE) | 3.1 GWh | May 2020 | Dec 2023 | Solar |
| Ledeaux Solar, LLC CSG | 38 Degrees North, LLC | North Brookfield, MA | ISO New England (ISNE) | 1.4 GWh | Oct 2017 | Dec 2023 | Solar |
| Dudley River Solar, LLC CSG | 38 Degrees North, LLC | Southbridge, MA | ISO New England (ISNE) | 1.7 GWh | Oct 2017 | Dec 2023 | Solar |
| Dudley River 2 Solar, LLC CSG | 38 Degrees North, LLC | Southbridge, MA | ISO New England (ISNE) | 1.6 GWh | Oct 2017 | Dec 2023 | Solar |
| Dudley River 3 Solar, LLC CSG | 38 Degrees North, LLC | Southbridge, MA | ISO New England (ISNE) | 1.7 GWh | Oct 2017 | Dec 2023 | Solar |
| Woodchuck Solar, LLC CSG | 38 Degrees North, LLC | Spencer, MA | ISO New England (ISNE) | 1.6 GWh | Nov 2017 | Dec 2023 | Solar |
| JH Solar, LLC CSG | 38 Degrees North, LLC | North Brookfield, MA | ISO New England (ISNE) | 1.5 GWh | Oct 2017 | Dec 2023 | Solar |
| Incom Solar, LLC CSG | 38 Degrees North, LLC | Charlton, MA | ISO New England (ISNE) | 3.6 GWh | Oct 2017 | Dec 2023 | Solar |
| ISM Solar Dighton 2, LLC CSG | 38 Degrees North, LLC | Dighton, MA | ISO New England (ISNE) | 3.7 GWh | Nov 2017 | Dec 2023 | Solar |
| Cherry Valley Solar, LLC CSG | 38 Degrees North, LLC | Leicester, MA | ISO New England (ISNE) | 1.6 GWh | Oct 2017 | Dec 2023 | Solar |
| Barton Acres Solar, LLC CSG | 38 Degrees North, LLC | Phillipston, MA | ISO New England (ISNE) | 1.7 GWh | Sep 2017 | Dec 2023 | Solar |
| Blair Wire Village Solar, LLC CSG | 38 Degrees North, LLC | Spencer, MA | ISO New England (ISNE) | 1.7 GWh | Nov 2017 | Dec 2023 | Solar |
| Boutillier Solar, LLC CSG | 38 Degrees North, LLC | Leicester, MA | ISO New England (ISNE) | 4.7 GWh | Mar 2018 | Dec 2023 | Solar |
| St. Joseph's Solar, LLC CSG | 38 Degrees North, LLC | Charlton, MA | ISO New England (ISNE) | 1.6 GWh | Nov 2017 | Dec 2023 | Solar |
| Randall Solar Project Hybrid | AES Distributed Energy | Berlin, MA | ISO New England (ISNE) | 8.7 GWh | Jun 2021 | Dec 2023 | Solar |
| Annese Solar Project Hybrid CSG | AES Distributed Energy | Southbridge, MA | ISO New England (ISNE) | 7.0 GWh | Nov 2020 | Dec 2023 | Solar |
| West A&B Solar Project Hybrid CSG | AES Distributed Energy | Southbridge, MA | ISO New England (ISNE) | 4.5 GWh | Nov 2020 | Dec 2023 | Solar |
| West Boylston Community Shared Solar | Town of West Boylston - (MA) | West Boylston, MA | ISO New England (ISNE) | 2.2 GWh | Nov 2016 | Dec 2023 | Solar |
| Ryan Road Solar LLC Hybrid(CSG) | AES Distributed Energy | North Brookfield, MA | ISO New England (ISNE) | 8.2 GWh | Nov 2021 | Dec 2023 | Solar |
| W. Orange Rd Solar LLC | AES Distributed Energy | Orange, MA | ISO New England (ISNE) | 7.2 GWh | Aug 2021 | Dec 2023 | Solar |
| BWC Rams Horn Channel LLC | Navisun LLC | Beverly, MA | ISO New England (ISNE) | 5.8 GWh | Nov 2020 | Dec 2023 | Solar |
| Wilbur Woods Solar LLC | AES Distributed Energy | Orange, MA | ISO New England (ISNE) | 8.1 GWh | Aug 2021 | Dec 2023 | Solar |
| West Street Solar 1 LLC | AES Distributed Energy | Gardner, MA | ISO New England (ISNE) | 8.5 GWh | Nov 2019 | Dec 2023 | Solar |
| Middleton Solar Park | HG Solar Development, LLC | Middleton, MA | ISO New England (ISNE) | 7.5 GWh | May 2018 | Dec 2023 | Solar |
| Brookfield Wire Company | Dynamic Energy Solutions, LLC | Brookfield, MA | ISO New England (ISNE) | 2.0 GWh | May 2016 | Dec 2023 | Solar |
| Partridge Hill Solar Hybrid | AES Distributed Energy | Charlton, MA | ISO New England (ISNE) | 2.8 GWh | Jun 2020 | Dec 2023 | Solar |
| Kearsarge Amesbury Hybrid | Kearsarge Amesbury LLC | Amesbury, MA | ISO New England (ISNE) | 5.1 GWh | Nov 2019 | Dec 2023 | Solar |
| McDougle-Mitchell Solar Project Hybrid CSG | AES Distributed Energy | Charlton, MA | ISO New England (ISNE) | 7.3 GWh | Jul 2020 | Dec 2023 | Solar |
| Alicea Solar Project Hybrid CSG | AES Distributed Energy | Southbridge, MA | ISO New England (ISNE) | 3.7 GWh | Nov 2020 | Dec 2023 | Solar |
| Hurteau Solar Project Hybrid | AES Distributed Energy | Uxbridge, MA | ISO New England (ISNE) | 3.1 GWh | Feb 2020 | Dec 2023 | Solar : 98.8% |
| Sutton Solar 2, LLC CSG | Sutton Solar 2, LLC | Sutton, MA | ISO New England (ISNE) | 1.3 GWh | Nov 2020 | Dec 2023 | Solar |
| Natick Mall | Natick Mall | Natick, MA | ISO New England (ISNE) | 3.2 GWh | Sep 2018 | Dec 2023 | Solar |
| Tanglewood Circle Solar 1 LLC | Tanglewood Circle Solar 1 LLC | Becket, MA | ISO New England (ISNE) | 7.3 GWh | Oct 2018 | 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 | 7.9 GWh |
| Berkshire County, MA | # 12 | 37 | 72.7 GWh |
| Hampshire County, MA | # 11 | 35 | 139.7 GWh |
| Barnstable County, MA | # 10 | 21 | 370.9 GWh |
| Franklin County, MA | # 9 | 31 | 416.5 GWh |
| Suffolk County, MA | # 8 | 13 | 453.8 GWh |
| Bristol County, MA | # 7 | 68 | 674.2 GWh |
| County | State Rank | Active Plants | Dec 2023 Generation |
|---|---|---|---|
| Plymouth County, MA | # 6 | 73 | 839.2 GWh |
| Hampden County, MA | # 5 | 84 | 1.4 TWh |
| Essex County, MA | # 4 | 37 | 2.1 TWh |
| Middlesex County, MA | # 3 | 65 | 3.8 TWh |
| Worcester County, MA | # 2 | 188 | 3.9 TWh |
| Norfolk County, MA | # 1 | 36 | 6.4 TWh |