Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Marshfield PV | Terraform Arcadia | Marshfield, MA | ISO New England (ISNE) | 5.0 GWh | Nov 2013 | Dec 2023 | Solar |
| Emerald Marshfields, LLC | Emerald Marshfield, LLC | Marshfield, MA | ISO New England (ISNE) | 2.1 GWh | Nov 2022 | Dec 2023 | Solar |
| Barnstable Landfill | Clean Focus Yield, LLC | Marstons Mills, MA | ISO New England (ISNE) | 5.3 GWh | Aug 2014 | Dec 2023 | Solar |
| Mashpee Landfill Solar | Nautilus Solar Solutions | Mashpee, MA | ISO New England (ISNE) | 2.4 GWh | Aug 2014 | Dec 2023 | Solar |
| DG Crystal Spring CSG | DG Crystal Spring CSG | Mattapoisett, MA | ISO New England (ISNE) | 6.7 GWh | Jun 2017 | Dec 2023 | Solar |
| BWC Origination 18 | BWC Origination 18, LLC | Mattapoisett, MA | ISO New England (ISNE) | 7.4 GWh | Nov 2018 | Dec 2023 | Solar |
| Maynard PV | Terraform Arcadia | Maynard, MA | ISO New England (ISNE) | 1.3 GWh | Dec 2013 | Dec 2023 | Solar |
| Exelon West Medway II LLC | Constellation Power, Inc | Medway, MA | ISO New England (ISNE) | 197.3 GWh | Feb 2019 | Sep 2024 | Natural Gas : 99.6% |
| Exelon Medway LLC | Constellation Power, Inc | Medway, MA | ISO New England (ISNE) | 3.7 GWh | Jun 1970 | Dec 2023 | Distillate Fuel Oil |
| BWC Muddy Brook, LLC Hybrid | AES Distributed Energy | Mendon, MA | ISO New England (ISNE) | 1.6 GWh | Aug 2021 | Dec 2023 | Solar |
| Mendon | BWC Box Pond LLC | Mendon, MA | ISO New England (ISNE) | 3.9 GWh | Nov 2017 | Dec 2023 | Solar |
| BWC Wading River One, Two, Three CSG | Ameresco BWC Wading River LLC | Mendon, MA | ISO New England (ISNE) | 4.8 GWh | Oct 2017 | Dec 2023 | Solar |
| Merrimac Solar | Consolidated Edison Development Inc. | Merrimac, MA | ISO New England (ISNE) | 2.2 GWh | Nov 2013 | Dec 2023 | Solar |
| Ayers Village Solar | Altus Power America Management, LLC | Methuen, MA | ISO New England (ISNE) | 2.8 GWh | May 2014 | Dec 2023 | Solar |
| Methuen Landfill | CleanCapital Holdings | Methuen, MA | ISO New England (ISNE) | 1.6 GWh | Jun 2013 | Dec 2023 | Solar |
| 154 D Fisher | Greenbacker Renewable Energy Corporation | Middleborough, MA | ISO New England (ISNE) | 1.6 GWh | Nov 2015 | Dec 2023 | Solar |
| 115 G Fisher | Greenbacker Renewable Energy Corporation | Middleborough, MA | ISO New England (ISNE) | 1.5 GWh | Sep 2015 | Dec 2023 | Solar |
| Cranberry Solar | GWE Cranberry Solar RT, LLC | Middleborough, MA | ISO New England (ISNE) | 1.7 GWh | Nov 2016 | Dec 2023 | Solar |
| Middleton Solar Park | HG Solar Development, LLC | Middleton, MA | ISO New England (ISNE) | 7.5 GWh | May 2018 | Dec 2023 | Solar |
| Milford Power LP | Milford Power LLC | Milford, MA | ISO New England (ISNE) | 210.3 GWh | Feb 1993 | Dec 2023 | Natural Gas |
| Wheelabrator Millbury Facility | Wheelabrator Environmental Systems | Millbury, MA | ISO New England (ISNE) | 320.2 GWh | Aug 1987 | Sep 2024 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Syncarpha Millbury Hybrid (CSG) | Syncarpha Millbury, LLC | Millbury, MA | ISO New England (ISNE) | 7.8 GWh | Sep 2022 | Dec 2023 | Solar |
| Millbury Solar | Evergreen Wind, LLC | Millbury, MA | ISO New England (ISNE) | 4.6 GWh | Mar 2014 | Dec 2023 | Solar |
| 3Colton | Madison Energy Holdings LLC | Millbury, MA | ISO New England (ISNE) | 1.6 GWh | Jun 2023 | Dec 2023 | Solar |
| Montague Site 36-Grosolar | NSTAR Electric Company | Millers Falls, MA | ISO New England (ISNE) | 5.7 GWh | Sep 2018 | Sep 2024 | Solar |
| Bowden Solar LLC | 38DN Power Fund 1 LLC | Monson, MA | ISO New England (ISNE) | 3.4 GWh | Feb 2019 | Dec 2023 | Solar |
| Monson Solar, LLC | Monson Solar, LLC | Monson, MA | ISO New England (ISNE) | 3.2 GWh | Jul 2017 | Dec 2023 | Solar |
| Monson Solar | Altus Power America Management, LLC | Monson, MA | ISO New England (ISNE) | 4.1 GWh | Jun 2014 | Dec 2023 | Solar |
| Kearsarge Montague | Kearsarge Montague LLC | Montague, MA | ISO New England (ISNE) | 6.8 GWh | May 2018 | Dec 2023 | Solar |
| Cabot | FirstLight Power Resources, Inc. - MA | Montague, MA | ISO New England (ISNE) | 394.4 GWh | Dec 1914 | Dec 2023 | Water |
| Kearsarge Montague BD(CSG) | Kearsarge Montague BD LLC | Montague, MA | ISO New England (ISNE) | 3.3 GWh | Oct 2021 | Dec 2023 | Solar |
| Turners Falls | FirstLight Power Resources, Inc. - MA | Montague, MA | ISO New England (ISNE) | 13.9 GWh | Dec 1904 | Dec 2023 | Water |
| Natick Mall | Natick Mall | Natick, MA | ISO New England (ISNE) | 3.2 GWh | Sep 2018 | Dec 2023 | Solar |
| Town of Needham VNEM CSG | Tesla Inc. | Needham, MA | ISO New England (ISNE) | 4.0 GWh | Jan 2016 | Dec 2023 | Solar |
| Sullivan Solar | Altus Power America Management, LLC | New Bedford, MA | ISO New England (ISNE) | 2.0 GWh | Jul 2014 | Dec 2023 | Solar |
| 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 |
| Bashaw Solar CSG 1, LLC | Bashaw Solar 1, LLC | Newbury, MA | ISO New England (ISNE) | 7.3 GWh | Mar 2017 | Dec 2023 | Solar |
| Newton Rumford Landfill | Newton Municipal Solar LLC - Rumford | Newton, MA | ISO New England (ISNE) | 2.7 GWh | Jun 2017 | Dec 2023 | Solar |
| Town of Norfolk MA at Medway Branch | Luminace Solar Massachusetts, LLC | Norfolk, MA | ISO New England (ISNE) | 1.9 GWh | May 2012 | Dec 2023 | Solar |
| North Adams Landfill | Syncarpha North Adams, LLC | North Adams, MA | ISO New England (ISNE) | 3.4 GWh | Sep 2015 | Dec 2023 | Solar |
| Wheelabrator North Andover | Wheelabrator Environmental Systems | North Andover, MA | ISO New England (ISNE) | 241.2 GWh | Apr 1985 | Sep 2024 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
| Iron Horse Solar 4, LLC | Iron Horse Solar 4, LLC | North Billerica, MA | ISO New England (ISNE) | 7.4 GWh | May 2017 | Dec 2023 | Solar |
| Iron Horse Solar I CSG | Iron Horse Solar 1, LLC | North Billerica, MA | ISO New England (ISNE) | 4.1 GWh | Nov 2016 | Dec 2023 | Solar |
| North Brookfield | Mass Solar, LLC | North Brookfield, MA | ISO New England (ISNE) | 4.1 GWh | May 2014 | Dec 2023 | Solar |
| Lane Ave Solar LLC | AES Distributed Energy | North Brookfield, MA | ISO New England (ISNE) | 2.0 GWh | Aug 2021 | Dec 2023 | Solar |
| BWC Lake Lashaway, LLC Hybrid | AES Distributed Energy | North Brookfield, MA | ISO New England (ISNE) | 8.3 GWh | Apr 2021 | 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 |
| Brookfield Solar 2013 LLC | CVI CleanCapital Solar 6 | North Brookfield, MA | ISO New England (ISNE) | 2.0 GWh | Nov 2013 | 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 |
| Ledeaux Solar, LLC CSG | 38 Degrees North, LLC | North Brookfield, MA | ISO New England (ISNE) | 1.4 GWh | Oct 2017 | Dec 2023 | Solar |
| Carver | Captona Carver LLC | North Carver, MA | ISO New England (ISNE) | 2.0 GWh | Apr 2017 | Dec 2023 | Solar |
| Manheim New England | Cox Enterprises | North Dighton, MA | ISO New England (ISNE) | 3.0 GWh | Nov 2012 | Dec 2023 | Solar |
| Stone Hill Solar CSG | MN8 Energy LLC | North Easton, MA | ISO New England (ISNE) | 3.1 GWh | Jun 2014 | Dec 2023 | Solar |
| DG Tufts Knoll LLC CSG | DG Tufts Knoll, LLC | North Grafton, MA | ISO New England (ISNE) | 2.8 GWh | Jul 2017 | Dec 2023 | Solar |
| DG Tufts Science LLC CSG | DG Tufts Science, LLC | North Grafton, MA | ISO New England (ISNE) | 1.5 GWh | Jan 2017 | Dec 2023 | Solar |
| Fore River Generating Station | Calpine Fore River Energy Center, LLC | North Weymouth, MA | ISO New England (ISNE) | 2.9 TWh | Jul 2003 | Sep 2024 | Natural Gas : 99.8% |
| CED Northampton Solar LLC Hybrid | Consolidated Edison Development Inc. | Northampton, MA | ISO New England (ISNE) | 6.5 GWh | Nov 2019 | Dec 2023 | Solar |
| Northampton Landfill Solar PV | Ameresco Glendale Road Solar PV LLC | Northampton, MA | ISO New England (ISNE) | 3.7 GWh | Oct 2017 | Dec 2023 | Solar |
| 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 |
| Syncarpha Northampton Hybrid CSG | Syncarpha Northampton, LLC | Northampton, MA | ISO New England (ISNE) | 5.0 GWh | Nov 2020 | Dec 2023 | Solar |
| Syncarpha Puddon I Hybrid CSG | Syncarpha Puddon I, LLC | Northbridge, MA | ISO New England (ISNE) | 8.9 GWh | Feb 2021 | Dec 2022 | Solar |
| Syncarpha Puddon II Hybrid CSG | Syncarpha Puddon II, LLC | Northbridge, MA | ISO New England (ISNE) | 9.3 GWh | Feb 2021 | Dec 2022 | Solar |
| NFM Solar Power LLC | FirstLight Power Resources, Inc. - MA | Northfield, MA | ISO New England (ISNE) | 1.7 GWh | Feb 2012 | Dec 2023 | Solar |
| Norton | Madison Energy Holdings LLC | Norton, MA | ISO New England (ISNE) | 707.0 MWh | Feb 2023 | Dec 2023 | Solar |
| Norton Landfill Solar | Citizens Enterprises Corporation | Norton, MA | ISO New England (ISNE) | 2.4 GWh | Dec 2016 | Dec 2023 | Solar |
| Norton LLC | Greenbacker Renewable Energy Corporation | Norton, MA | ISO New England (ISNE) | 4.6 GWh | Aug 2020 | Dec 2023 | Solar |
| 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 |
| Wilbur Woods Solar LLC | AES Distributed Energy | Orange, MA | ISO New England (ISNE) | 8.1 GWh | Aug 2021 | Dec 2023 | Solar |
| Orange PV | Terraform Arcadia | Orange, MA | ISO New England (ISNE) | 2.3 GWh | Jun 2013 | Dec 2023 | Solar |
| Hunt Farm Solar | Altus Power America Management, LLC | Orange, MA | ISO New England (ISNE) | 3.6 GWh | Aug 2013 | Dec 2023 | Solar |
| OSG Solar 1 LLC | Navisun LLC | Orange, MA | ISO New England (ISNE) | 3.1 GWh | Jun 2012 | 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 |
| 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 |
| Town of Otis Wind Energy Project | Town of Otis | Otis, MA | ISO New England (ISNE) | 2.8 GWh | Feb 2018 | Dec 2023 | Wind |
| Oxford | CVI CleanCapital Solar 6 | Oxford, MA | ISO New England (ISNE) | 3.9 GWh | Jun 2014 | Dec 2023 | Solar |
| Seaboard Oxford, LLC | Navisun LLC | Oxford, MA | ISO New England (ISNE) | 2.7 GWh | Jul 2020 | Dec 2023 | Solar |
| Joe Jenny | AMP MA Joe Jenny | Oxford, MA | ISO New England (ISNE) | 2.4 GWh | Apr 2018 | Dec 2023 | Solar |
| Oxford Solar | Citizens Enterprises Corporation | Oxford, MA | ISO New England (ISNE) | 6.5 GWh | Jan 2020 | Dec 2023 | Solar |
| Barrett PV | MN8 Energy LLC | Oxford, MA | ISO New England (ISNE) | 17.2 GWh | Oct 2016 | Dec 2023 | Solar |
| Peterson Road Solar | Peterson Road Solar, LLC | Palmer, MA | ISO New England (ISNE) | 4.3 GWh | Mar 2017 | Dec 2023 | Solar |
| WYM 1250 Palmer LLC | CVI CleanCapital Solar 6 | Palmer, MA | ISO New England (ISNE) | 755.0 MWh | Aug 2013 | Dec 2023 | Solar |
| Palmer Landfill | Syncarpha Bondsville, LLC | Palmer, MA | ISO New England (ISNE) | 4.3 GWh | Nov 2016 | Dec 2023 | Solar |
| Palmer Solar LLC | Palmer Solar LLC | Palmer, MA | ISO New England (ISNE) | 3.2 GWh | Nov 2013 | Dec 2022 | Solar |
| Breckenridge Solar | Breckenridge Street Solar 1, LLC | Palmer, MA | ISO New England (ISNE) | 6.9 GWh | Oct 2020 | Dec 2023 | Solar |
| Syncarpha Palmer, LLC | Syncarpha Palmer, LLC | Palmer, MA | ISO New England (ISNE) | 7.7 GWh | Nov 2015 | Dec 2023 | Solar |
| Indian Hill Solar LLC | CVI CleanCapital Solar 1 LLC | Palmer, MA | ISO New England (ISNE) | 1.3 GWh | Mar 2014 | Dec 2023 | Solar |
| Palmer | AES Distributed Energy | Palmer, MA | ISO New England (ISNE) | 5.9 GWh | Sep 2019 | Dec 2023 | Solar |
| State Street Solar LLC | CVI CleanCapital Solar 1 LLC | Palmer, MA | ISO New England (ISNE) | 1.2 GWh | Mar 2014 | Dec 2023 | Solar |
| Browne Solar LLC | CVI CleanCapital Solar 1 LLC | Palmer, MA | ISO New England (ISNE) | 1.3 GWh | Mar 2014 | Dec 2023 | Solar |
| Rousselot Inc | Rousselot Inc | Peabody, MA | ISO New England (ISNE) | 15.0 GWh | Apr 1947 | Nov 2023 | Natural Gas |
| 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% |
| Onyx - Pembroke Landfill Solar | Onyx Asset Services Group | Pembroke, MA | ISO New England (ISNE) | 3.7 GWh | Nov 2017 | Dec 2023 | Solar |
| Pepperell Hydro Power Plant | Eagle Creek Renewable Energy, LLC | Pepperell, MA | ISO New England (ISNE) | 7.7 GWh | Dec 1919 | Sep 2024 | Water |
| Barton Acres Solar, LLC CSG | 38 Degrees North, LLC | Phillipston, MA | ISO New England (ISNE) | 1.7 GWh | Sep 2017 | Dec 2023 | Solar |
| Pittsfield 44 - M&W PV | NSTAR Electric Company | Pittsfield, MA | ISO New England (ISNE) | 1.5 GWh | Jul 2018 | Dec 2023 | Solar |
| East Acres Solar NG, LLC | NuGen Capital Management | Pittsfield, MA | ISO New England (ISNE) | 4.8 GWh | Mar 2017 | Dec 2023 | Solar |
| Syncarpha Hancock III CSG | Syncarpha Hancock III, LLC | Pittsfield, MA | ISO New England (ISNE) | 1.5 GWh | Oct 2017 | Dec 2023 | Solar |
| Waste Water Treatment Plant | City of Pittsfield | Pittsfield, MA | ISO New England (ISNE) | 763.0 MWh | Dec 2011 | Dec 2022 | Solar |
| 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% |
| Silver Lake Solar Photovoltaic Facility | Western Massachusetts Electric Company | Pittsfield, MA | ISO New England (ISNE) | 1.4 GWh | Nov 2010 | Dec 2023 | Solar |
Browse Power Plants By Massachusetts Counties
Figures are based on September 2024 generation numbers.| County | State Rank | Active Plants | Sep 2024 Generation |
|---|---|---|---|
| Norfolk County, MA | # 1 | 36 | 5.8 TWh |
| Worcester County, MA | # 2 | 188 | 4.2 TWh |
| Middlesex County, MA | # 3 | 65 | 3.8 TWh |
| Essex County, MA | # 4 | 37 | 2.0 TWh |
| Hampden County, MA | # 5 | 84 | 1.3 TWh |
| Plymouth County, MA | # 6 | 73 | 846.7 GWh |
| Bristol County, MA | # 7 | 68 | 674.2 GWh |
| County | State Rank | Active Plants | Sep 2024 Generation |
|---|---|---|---|
| Franklin County, MA | # 8 | 31 | 488.7 GWh |
| Suffolk County, MA | # 9 | 13 | 455.3 GWh |
| Barnstable County, MA | # 10 | 21 | 249.0 GWh |
| Hampshire County, MA | # 11 | 35 | 139.7 GWh |
| Berkshire County, MA | # 12 | 37 | 58.2 GWh |
| Dukes County, MA | # 13 | 7 | 7.9 GWh |