Directory of Power Plants in Massachusetts
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Quittacas Pond Solar | Consolidated Edison Solutions Inc. | Rochester, MA | ISO New England (ISNE) | 5.1 GWh | Nov 2013 | Dec 2024 | Solar |
Browse Power Plants By Massachusetts Counties
Figures are based on March 2026 generation numbers.| County | State Rank | Active Plants | Mar 2026 Generation |
|---|---|---|---|
| Dukes County, MA | # 13 | 7 | 144.1 GWh |
| Berkshire County, MA | # 12 | 44 | 246.9 GWh |
| Hampshire County, MA | # 11 | 37 | 270.0 GWh |
| Franklin County, MA | # 10 | 33 | 280.2 GWh |
| Suffolk County, MA | # 9 | 13 | 429.1 GWh |
| Barnstable County, MA | # 8 | 23 | 624.8 GWh |
| Plymouth County, MA | # 7 | 84 | 823.6 GWh |
| County | State Rank | Active Plants | Mar 2026 Generation |
|---|---|---|---|
| Bristol County, MA | # 6 | 71 | 943.8 GWh |
| Hampden County, MA | # 5 | 86 | 1.8 TWh |
| Middlesex County, MA | # 4 | 68 | 1.9 TWh |
| Essex County, MA | # 3 | 39 | 2.5 TWh |
| Worcester County, MA | # 2 | 190 | 5.7 TWh |
| Norfolk County, MA | # 1 | 39 | 7.0 TWh |