Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Exelon West Medway II LLC | Constellation Power, Inc | Medway, MA | ISO New England (ISNE) | 210.2 GWh | Feb 2019 | Aug 2024 | Natural Gas : 99.6% |
| Erving Paper Mills | Erving Paper Mills Inc | Erving, MA | ISO New England (ISNE) | 42.2 GWh | Nov 2013 | Aug 2024 | Natural Gas : 98.5% Distillate Fuel Oil : 1.5% |
| Equinix - Billerica | Bloom Energy | Billerica, MA | ISO New England (ISNE) | 16.8 GWh | Aug 2021 | Dec 2023 | Natural Gas |
| Elm Street | ISM Solar Dighton 3, LLC | Dighton, MA | ISO New England (ISNE) | 8.0 GWh | Nov 2020 | Dec 2023 | Solar |
| East Brookfield Adams Road Solar LLC CSG | East Brookfield Adams Road Solar LLC | East Brookfield, MA | ISO New England (ISNE) | 7.4 GWh | May 2021 | Dec 2023 | Solar |
| Equity Industrial Turbines | Equity Industrial Turbines | Gloucester, MA | ISO New England (ISNE) | 6.6 GWh | Nov 2012 | Dec 2022 | Wind |
| EDF Lancaster | CleanCapital Holdings | Lancaster, MA | ISO New England (ISNE) | 5.9 GWh | Jun 2014 | Dec 2023 | Solar |
| East Longmeadow Solar PV | NSTAR Electric Company | East Longmeadow, MA | ISO New England (ISNE) | 5.7 GWh | Sep 2019 | Dec 2023 | Solar |
| ENGIE 2019 ProjectCo-MA1, LLC | ENGIE 2019 ProjectCo MA-1, LLC | Agawam, MA | ISO New England (ISNE) | 5.4 GWh | Feb 2021 | 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 |
| Exelon Medway LLC | Constellation Power, Inc | Medway, MA | ISO New England (ISNE) | 3.7 GWh | Jun 1970 | Dec 2023 | Distillate Fuel Oil |
| Easthampton CSG | Easthampton Park Solar 1, LLC | Easthampton, MA | ISO New England (ISNE) | 3.5 GWh | Aug 2020 | Dec 2023 | Solar |
| EBZ Solar | Citizens Enterprises Corporation | Shirley, MA | ISO New England (ISNE) | 3.4 GWh | Dec 2012 | Dec 2023 | Solar |
| East Bridgewater Solar | Altus Power America Management, LLC | East Bridgewater, MA | ISO New England (ISNE) | 3.4 GWh | Oct 2017 | Dec 2023 | Solar |
| Easthampton Landfill-City of Easthampton | CleanCapital Holdings | Easthampton, MA | ISO New England (ISNE) | 2.8 GWh | May 2012 | Dec 2023 | Solar |
| Electric Avenue Lunenburg Solar 1 | Electric Avenue Lunenburg Solar 1, LLC | Lunenburg, MA | ISO New England (ISNE) | 2.3 GWh | Nov 2021 | Dec 2023 | Solar |
| Easton Landfill | CleanCapital Holdings | Easton, MA | ISO New England (ISNE) | 2.2 GWh | Sep 2013 | Dec 2023 | Solar |
| Emerald Marshfields, LLC | Emerald Marshfield, LLC | Marshfield, MA | ISO New England (ISNE) | 2.1 GWh | Nov 2022 | Dec 2023 | Solar |
| East Springfield Solar PV | NSTAR Electric Company | Springfield, MA | ISO New England (ISNE) | 1.9 GWh | Sep 2018 | Dec 2023 | Solar |
| East Brookfield Main Street Solar LLC CSG | AES Distributed Energy | East Brookfield, MA | ISO New England (ISNE) | 1.6 GWh | Nov 2020 | Dec 2023 | Solar |
| Erving CSG | Erving Poplar Mountain Solar 1, LLC | Erving, MA | ISO New England (ISNE) | 1.4 GWh | Aug 2020 | Dec 2023 | Solar |
| Exelon Framingham LLC | Constellation Power, Inc | Framingham, MA | ISO New England (ISNE) | 792.0 MWh | Aug 1969 | Dec 2023 | Distillate Fuel Oil |
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 |