Nuclear Power Plant

Seabrook

Seabrook, New HampshireNextEra Energy1 reactor

Full power

100% average output

NRC 10/30/2026

Reactor Units

Unit 1

Seabrook 1

100%

Outages

Unit 1

Full power

Last refueling

Apr 4, 2026 to May 7, 2026, 33 days

Next window

Sep 13, 2027 to Oct 25, 2027

18 month cycle · ~36 days · Forecast

Last outages for Unit 1
TypeStartedEndedDays
RefuelingApr 4, 2026May 7, 202633
OfflineNov 20, 2024Nov 21, 20241
RefuelingOct 5, 2024Nov 10, 202436
UnplannedJul 31, 2023Aug 5, 20235
RefuelingApr 1, 2023May 9, 202338

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