Electricity Generation Aggregated by New Hampshire County
| State Rank | County | Net Generation (Past Year) | Power Plants |
|---|---|---|---|
| #9 | Belknap County, NH | 9.3 GWh | 2 |
| #8 | Carroll County, NH | 78.3 GWh | 3 |
| #2 | Coos County, NH | 925.3 GWh | 12 |
| #3 | Grafton County, NH | 828.2 GWh | 12 |
| #5 | Hillsborough County, NH | 185.2 GWh | 11 |
| #4 | Merrimack County, NH | 298.6 GWh | 14 |
| #1 | Rockingham County, NH | 16.0 TWh | 6 |
| #7 | Strafford County, NH | 97.9 GWh | 8 |
| #6 | Sullivan County, NH | 137.9 GWh | 6 |
Net Generation data is based on the last 12 months since Jun 2026
Top 20 New Hampshire Counties by Net Generation
Totals are based on the most recent 12 months net generation- Rockingham County, NH15.96 TWh
- Coos County, NH925.31 GWh
- Grafton County, NH828.21 GWh
- Merrimack County, NH298.56 GWh
- Hillsborough County, NH185.22 GWh
- Sullivan County, NH137.86 GWh
- Strafford County, NH97.93 GWh
- Carroll County, NH78.26 GWh
- Belknap County, NH9.25 GWh