⚛ Nuclear Power Plants in New Hampshire
New Hampshire operates 1 nuclear power plant totaling 1,242 MW of nameplate capacity. Annual generation: 9.5M MWh.
Nuclear plants generate carbon-free baseload electricity by fissioning uranium fuel inside a reactor. They run nearly around-the-clock — typical capacity factors above 90% — and a single facility can power millions of homes. Spent fuel is stored on-site in dry casks. NRC oversees safety; emergency planning zones extend 10 miles from the reactor.
Plants1operating
Capacity1,242 MWnameplate
Generation9.5M MWhannual
Where nuclear plants sit in New Hampshire
All New Hampshire nuclear plants
| Plant | City | County | Capacity | Operator |
|---|---|---|---|---|
| Seabrook | Seabrook | Rockingham County | 1,242 MW | Nextera Energy Seabrook Llc |