Electricity Generation Aggregated by Massachusetts County
| State Rank | County | Net Generation (Past Year) | Power Plants |
|---|---|---|---|
| #2 | Worcester County, MA | 4.4 TWh | 188 |
| #5 | Hampden County, MA | 1.3 TWh | 84 |
| #6 | Plymouth County, MA | 849.2 GWh | 73 |
| #7 | Bristol County, MA | 674.3 GWh | 68 |
| #3 | Middlesex County, MA | 3.8 TWh | 65 |
| #12 | Berkshire County, MA | 58.0 GWh | 37 |
| #4 | Essex County, MA | 2.1 TWh | 37 |
| #1 | Norfolk County, MA | 5.9 TWh | 36 |
| #11 | Hampshire County, MA | 139.7 GWh | 35 |
| #8 | Franklin County, MA | 500.0 GWh | 31 |
| #10 | Barnstable County, MA | 268.8 GWh | 21 |
| #9 | Suffolk County, MA | 455.9 GWh | 13 |
| #13 | Dukes County, MA | 7.9 GWh | 7 |
Net Generation data is based on the last 12 months since Dec 2023
Top 20 Massachusetts Counties by Net Generation
Totals are based on the most recent 12 months net generation- Norfolk County, MA5.88 TWh
- Worcester County, MA4.43 TWh
- Middlesex County, MA3.83 TWh
- Essex County, MA2.05 TWh
- Hampden County, MA1.34 TWh
- Plymouth County, MA849.21 GWh
- Bristol County, MA674.28 GWh
- Franklin County, MA499.98 GWh
- Suffolk County, MA455.88 GWh
- Barnstable County, MA268.84 GWh
- Hampshire County, MA139.69 GWh
- Berkshire County, MA57.98 GWh
- Dukes County, MA7.91 GWh