Directory of Power Plants in Massachusetts
Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
---|---|---|---|---|---|---|---|
Dept of Corrections NCCI Wind | Dept of Corrections NCCI Wind | Gardner, MA | ISO New England (ISNE) | 5.5 GWh | Oct 2013 | Apr 2025 | Wind |
Framingham State University Plant | Framingham State University | Framingham, MA | ISO New England (ISNE) | 74.0 MWh | May 1974 | Apr 2025 | Solar : 67.6% Distillate Fuel Oil : 32.4% |
Spring Hill Road | AES Distributed Energy | Barre, MA | ISO New England (ISNE) | 552.0 MWh | Nov 2015 | Apr 2025 | Solar |
Exelon West Medway II LLC | Constellation Power, Inc | Medway, MA | ISO New England (ISNE) | 225.2 GWh | Feb 2019 | Apr 2025 | Natural Gas : 98.2% Kerosene : 1.8% |
Southbridge Solar | AES Distributed Energy | Southbridge, MA | ISO New England (ISNE) | 2.1 GWh | Feb 2016 | Apr 2025 | Solar |
Salem Harbor Power Development LP | Salem Harbor Power Development LP | Salem, MA | ISO New England (ISNE) | 1.2 TWh | Apr 2018 | Apr 2025 | Natural Gas |
Southwick Solar PV | NSTAR Electric Company | Southwick, MA | ISO New England (ISNE) | 8.3 GWh | Dec 2018 | Apr 2025 | Solar |
Montague Site 36-Grosolar | NSTAR Electric Company | Millers Falls, MA | ISO New England (ISNE) | 5.9 GWh | Sep 2018 | Apr 2025 | Solar |
Outer Cape Community Battery | Eversource | Provincetown, MA | ISO New England (ISNE) | 42.0 MWh | Nov 2022 | Apr 2025 | Electricity used for energy storage |
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 |