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Historical Outage Data

Visualizing fleet availability and maintenance windows for Spring 2025.

Historical Data Archive
  |     |  

Gantt Chart Timeline

Unit
Jan
Feb
Mar
Apr
May
Jun
Actual Unscheduled Scheduled / Projected Originally Scheduled (Overlaid)

Detailed Schedule

Unit Type Start Date End Date Duration Context
Sequoyah 2 Unscheduled Jan 1, 2025 May 17, 2025 137 days -
Prairie Island 1 Unscheduled Jan 1, 2025 Jan 16, 2025 16 days -
Watts Bar 1 Unscheduled Jan 17, 2025 May 5, 2025 109 days -
Hatch 2
Sched: Jan 27 (16d)
Actual Feb 9, 2025 Mar 14, 2025 34 days -
Browns Ferry 3 Unscheduled Feb 9, 2025 Mar 4, 2025 24 days -
LaSalle 2
Sched: Feb 11 (26d)
Actual Feb 10, 2025 Mar 1, 2025 20 days -
River Bend 1
Sched: Feb 16 (35d)
Actual Feb 11, 2025 Mar 30, 2025 48 days -
Calvert Cliffs 2
Sched: Feb 17 (22d)
Actual Feb 24, 2025 Mar 26, 2025 31 days -
Perry 1 Unscheduled Feb 27, 2025 Mar 9, 2025 11 days -
Turkey Point 4
Sched: Mar 15 (25d)
Actual Mar 1, 2025 Apr 3, 2025 34 days -
Brunswick 2
Sched: Mar 1 (31d)
Actual Mar 1, 2025 Mar 28, 2025 28 days -
North Anna 2
Sched: Mar 2 (36d)
Actual Mar 2, 2025 Apr 5, 2025 35 days -
Browns Ferry 2
Sched: Feb 28 (29d)
Actual Mar 5, 2025 Apr 10, 2025 37 days -
Vogtle 2
Sched: Mar 6 (27d)
Actual Mar 6, 2025 Apr 1, 2025 27 days -
Quad Cities 1
Sched: Mar 25 (18d)
Actual Mar 10, 2025 Mar 31, 2025 22 days -
Farley 2
Sched: Apr 5 (27d)
Actual Mar 17, 2025 Jun 9, 2025 85 days -
Perry 1
Sched: Mar 7 (28d)
Actual Mar 17, 2025 Apr 21, 2025 36 days -
Nine Mile Point 1
Sched: Mar 17 (23d)
Actual Mar 17, 2025 Apr 4, 2025 19 days -
D.C. Cook 1
Sched: Apr 12 (30d)
Actual Mar 22, 2025 Apr 29, 2025 39 days -
Point Beach 1
Sched: Mar 8 (26d)
Actual Mar 22, 2025 Apr 9, 2025 19 days -
Susquehanna 2
Sched: Mar 28 (35d)
Actual Mar 24, 2025 Jun 3, 2025 72 days -
Vogtle 4 Unscheduled Mar 24, 2025 Apr 4, 2025 12 days -
Callaway
Sched: Apr 11 (30d)
Actual Mar 29, 2025 Jul 5, 2025 99 days -
Palo Verde 1
Sched: Apr 9 (30d)
Actual Mar 29, 2025 May 10, 2025 43 days -
McGuire 1
Sched: Mar 29 (21d)
Actual Apr 2, 2025 Apr 20, 2025 19 days -
Millstone 3
Sched: Apr 13 (30d)
Actual Apr 11, 2025 May 17, 2025 37 days -
Columbia Generating Station
Sched: May 11 (30d)
Actual Apr 12, 2025 Jun 13, 2025 63 days -
Watts Bar 2
Sched: Apr 11 (37d)
Actual Apr 12, 2025 May 12, 2025 31 days -
Salem 1
Sched: Apr 2 (30d)
Actual Apr 13, 2025 May 30, 2025 48 days -
Diablo Canyon 1
Sched: Apr 13 (35d)
Actual Apr 13, 2025 May 17, 2025 35 days -
Byron 2
Sched: Apr 14 (18d)
Actual Apr 14, 2025 May 1, 2025 18 days -
Monticello
Sched: Apr 12 (30d)
Actual Apr 19, 2025 May 24, 2025 36 days -
Comanche Peak 1
Sched: Apr 17 (28d)
Actual Apr 21, 2025 May 14, 2025 24 days -
Waterford 3
Sched: Apr 1 (40d)
Actual Apr 26, 2025 Jun 6, 2025 42 days -
Limerick 2
Sched: Apr 29 (22d)
Actual Apr 28, 2025 May 16, 2025 19 days -
Calvert Cliffs 1 Unscheduled May 19, 2025 May 29, 2025 11 days -
Sequoyah 2 Unscheduled May 30, 2025 Jun 19, 2025 21 days -