Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| 301 Chestnut Solar NG | NuGen Capital Management | East Longmeadow, MA | ISO New England (ISNE) | 5.0 GWh | Mar 2017 | Dec 2023 | Solar |
| 3Colton | Madison Energy Holdings LLC | Millbury, MA | ISO New England (ISNE) | 3.1 GWh | Jun 2023 | Dec 2023 | Solar |
Browse Power Plants By Massachusetts Counties
Figures are based on July 2024 generation numbers.| County | State Rank | Active Plants | Jul 2024 Generation |
|---|---|---|---|
| Barnstable County, MA | # 10 | 21 | 270.5 GWh |
| Berkshire County, MA | # 12 | 37 | 221.3 GWh |
| Bristol County, MA | # 7 | 68 | 890.2 GWh |
| Dukes County, MA | # 13 | 7 | 11.9 GWh |
| Essex County, MA | # 5 | 37 | 2.3 TWh |
| Franklin County, MA | # 8 | 31 | 777.8 GWh |
| Hampden County, MA | # 4 | 84 | 2.6 TWh |
| County | State Rank | Active Plants | Jul 2024 Generation |
|---|---|---|---|
| Hampshire County, MA | # 11 | 35 | 242.0 GWh |
| Middlesex County, MA | # 3 | 65 | 4.4 TWh |
| Norfolk County, MA | # 1 | 36 | 6.8 TWh |
| Plymouth County, MA | # 6 | 73 | 1.1 TWh |
| Suffolk County, MA | # 9 | 13 | 502.8 GWh |
| Worcester County, MA | # 2 | 188 | 5.7 TWh |