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Spring 2026 Outage Data

Benchmark historical performance across a quarter-century of fleet-wide reactor data. Track long-term maintenance trends, refueling cycles, and realized generation impacts from 2000 to the present.

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Data Archive

Detailed Schedule

Unit Type Start Date End Date Scheduled Duration Predicted Extension Context
Hatch 1
Sched: Feb 8 (27d)
Actual Jan 17, 2026 Feb 28, 2026 43 days +12 days
D.C. Cook 2 Unscheduled Jan 18, 2026 Jan 20, 2026 3 days - -
Turkey Point 3
Sched: Mar 7 (28d)
Actual Feb 4, 2026 Ongoing 66 days+ +5 days
LaSalle 1
Sched: Feb 9 (16d)
Actual Feb 9, 2026 Feb 27, 2026 19 days +2 days -
Grand Gulf 1
Sched: Feb 26 (21d)
Actual Feb 14, 2026 Mar 26, 2026 41 days +7 days
Calvert Cliffs 1
Sched: Feb 16 (27d)
Actual Feb 16, 2026 Mar 14, 2026 27 days - -
Monticello Unscheduled Feb 21, 2026 Apr 2, 2026 41 days -
Browns Ferry 3
Sched: Feb 20 (31d)
Actual Feb 21, 2026 Mar 26, 2026 34 days +3 days -
Vogtle 1
Sched: Feb 21 (44d)
Actual Feb 22, 2026 Apr 2, 2026 40 days - -
Hope Creek 1 Unscheduled Feb 23, 2026 Mar 7, 2026 13 days - -
Brunswick 1
Sched: Feb 28 (27d)
Actual Feb 26, 2026 Ongoing 44 days+ +2 days -
Summer
Sched: Feb 27 (31d)
Actual Feb 28, 2026 Apr 9, 2026 41 days +10 days -
Davis-Besse
Sched: Feb 28 (25d)
Actual Mar 1, 2026 Mar 30, 2026 30 days +6 days -
Byron 1
Sched: Mar 2 (31d)
Actual Mar 2, 2026 Apr 1, 2026 31 days +0 days -
Nine Mile Point 2
Sched: Mar 7 (23d)
Actual Mar 9, 2026 Apr 1, 2026 24 days +1 days -
Arkansas Nuclear 2
Sched: Mar 7 (30d)
Actual Mar 14, 2026 Ongoing 28 days+ +5 days -
Point Beach 2
Sched: Mar 7 (26d)
Actual Mar 14, 2026 Ongoing 28 days+ +1 days -
Palo Verde 2
Sched: Mar 28 (35d)
Unscheduled Mar 20, 2026 Ongoing 22 days+ +4 days -
South Texas 1
Sched: Mar 20 (32d)
Actual Mar 21, 2026 Ongoing 21 days+ +1 days -
McGuire 2
Sched: Mar 21 (24d)
Actual Mar 22, 2026 Ongoing 20 days+ - -
Fermi 2
Sched: Mar 21 (41d)
Actual Mar 23, 2026 Ongoing 19 days+ +11 days -
Susquehanna 1
Sched: Mar 23 (46d)
Actual Mar 23, 2026 Ongoing 19 days+ +4 days -
Quad Cities 2
Sched: Mar 30 (16d)
Actual Mar 30, 2026 Ongoing 12 days+ +3 days -
Catawba 2 Unscheduled Mar 31, 2026 Ongoing 11 days+ ~18d (Typical (Fleet)) -
Seabrook 1
Sched: Apr 4 (24d)
Actual Apr 4, 2026 Ongoing 7 days+ +8 days -
Beaver Valley 2
Sched: Apr 11 (30d)
Actual Apr 5, 2026 Ongoing 6 days+ +7 days -
Salem 2
Sched: Apr 4 (26d)
Actual Apr 5, 2026 Ongoing 6 days+ +3 days -
Ginna
Sched: Apr 6 (21d)
Actual Apr 6, 2026 Ongoing 5 days+ - -
Dresden 3 Unscheduled Apr 8, 2026 Ongoing 3 days+ ~5d (Typical) -
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