Directory of Power Plants in Massachusetts
Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
---|---|---|---|---|---|---|---|
3Colton | Madison Energy Holdings LLC | Millbury, MA | ISO New England (ISNE) | 5.1 GWh | Jun 2023 | Dec 2024 | Solar |
118 Echo | Madison Energy Investments LLC | Mashpee, MA | ISO New England (ISNE) | 4.0 MWh | Jun 2023 | Dec 2024 | Solar |
5 Berry | Madison Energy Investments LLC | Plainsville, MA | ISO New England (ISNE) | 3.9 GWh | Aug 2023 | 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 |
Acushnet MA 1 | Navisun LLC | Acushnet, MA | ISO New England (ISNE) | 59.0 MWh | Nov 2023 | Dec 2023 | Solar |
401 South | Madison Energy Investments LLC | Dalton, MA | Southern Company Services, Inc. - Trans (SOCO) | 403.0 MWh | Nov 2023 | 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 |
Westport Stone & Sand Solar (CSG) | AES Clean Energy | Westport, MA | ISO New England (ISNE) | 5.6 GWh | Feb 2024 | Dec 2024 | Solar |
MA-Dighton-A | MA CS Dighton, LLC | Dighton, MA | ISO New England (ISNE) | 2.4 GWh | May 2024 | Dec 2024 | Solar |
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 |