Nuclear Hustle
Outage schedule/All Plants/Millstone

Nuclear Power Plant

Millstone

Waterford, ConnecticutDominion Energy2 reactors

Unit 3 in refueling outage

50% average output

NRC 10/30/2026

Reactor Units

Unit 2

Millstone 2

100%

Unit 3

Millstone 3

0%

Outages

Unit 2

Full power

Last refueling

Apr 13, 2026 to May 14, 2026, 31 days

Next window

Sep 20, 2027 to Nov 1, 2027

18 month cycle · ~34 days · Forecast

Last outages for Unit 2
TypeStartedEndedDays
UnplannedAug 4, 2026Aug 6, 20262
OfflineJun 5, 2026Jun 15, 202610
RefuelingApr 13, 2026May 14, 202631
RefuelingOct 4, 2024Nov 7, 202434
RefuelingApr 7, 2023Jul 2, 202386

Unit 3

Refueling outage · Day 19 of ~42

Last refueling

Apr 11, 2025 to May 18, 2025, 37 days

Next window

In outage now

18 month cycle

Last outages for Unit 3
TypeStartedEndedDays
RefuelingOct 12, 2026Ongoing19
MaintenanceOct 17, 2025Oct 27, 202510
MaintenanceAug 1, 2025Aug 4, 20253
RefuelingApr 11, 2025May 18, 202537
MaintenanceSep 4, 2024Sep 17, 202413

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