?
Days of continuous operation since the last outage ended. Has forced outage(s) since last refueling.
108
Current Run
days
?
Longest recorded period of continuous operation between outages (2017-06-21 to 2019-02-10).
599
Record Run
days
?
Breaker-to-Breaker: times this unit ran from one refueling outage to the next with zero forced outages or scrams in between.
7
B2B Runs
?
Lifetime capacity factor: average power level across all recorded days (100% = always at full power).
90.1%
Capacity Factor
?
Total number of scheduled refueling outages detected in the historical data.
17
Outages
since 1999
?
Duration of each outage in days, shown chronologically. Green bars are scheduled refueling outages, red bars are forced/unscheduled. The orange dashed line marks the average duration. Extended outages (>180 days) and D&D periods are excluded.
Outage Duration Trend
?
Days between consecutive scheduled refueling outage starts, showing operating cycle regularity. The purple dashed line marks the average cycle length. Most U.S. reactors operate on 18-month (547 day) or 24-month (730 day) cycles.
Cycle Length History
?
Monthly capacity factor with outage events overlaid as red bands. Green bars show average power level per month. Toggle to Daily view for raw daily data.
Power History
| Type ⇅ | Actual Start ⇅ | Actual End ⇅ | Duration ⇅ | Days Online ⇅ | Scheduled | Delta |
|---|---|---|---|---|---|---|
|
Unscheduled
|
2025-12-17 | 2025-12-18 | 2 | 214d | - | - |
|
Scheduled
|
2025-04-13 | 2025-05-17 | 35 | 484d | 2025-04-13 | 0d |
|
Unscheduled
|
2023-12-09 | 2023-12-16 | 8 | 27d | - | - |
|
Scheduled
|
2023-10-01 | 2023-11-12 | 43 | 528d | 2023-10-04 | -3d |
|
Scheduled
|
2022-03-27 | 2022-04-21 | 26 | 511d | 2022-03-27 | 0d |
|
Scheduled
|
2020-10-04 | 2020-11-01 | 29 | 568d | 2020-10-04 | 0d |
|
Scheduled
|
2019-02-10 | 2019-03-16 | 35 | 599d | 2019-02-10 | 0d |
|
Unscheduled
|
2017-06-21 | 2017-06-21 | 1 | 2d | - | - |
|
Scheduled
|
2017-04-23 | 2017-06-19 | 58 | 533d | 2017-04-30 | -7d |
|
Scheduled
|
2015-10-04 | 2015-11-07 | 35 | 273d | 2015-09-27 | +7d |
|
Unscheduled
|
2015-01-01 | 2015-01-04 | 4 | 281d | - | - |
|
Unscheduled
|
2014-03-17 | 2014-03-26 | 10 | 5d | - | - |
|
Scheduled
|
2014-02-09 | 2014-03-12 | 32 | 223d | 2014-02-09 | 0d |
|
Unscheduled
|
2013-06-27 | 2013-07-01 | 5 | 377d | - | - |
|
Scheduled
|
2012-04-23 | 2012-06-15 | 54 | 530d | 2012-04-22 | +1d |
|
Scheduled
|
2010-10-03 | 2010-11-10 | 39 | 377d | 2010-10-04 | -1d |
|
Unscheduled
|
2009-09-20 | 2009-09-21 | 2 | 181d | - | - |
|
Scheduled
|
2009-01-26 | 2009-03-23 | 57 | 530d | 2009-01-26 | 0d |
|
Unscheduled
|
2007-08-11 | 2007-08-15 | 5 | 75d | - | - |
|
Scheduled
|
2007-05-01 | 2007-05-28 | 28 | 518d | 2007-04-30 | +1d |
|
Scheduled
|
2005-10-24 | 2005-11-29 | 37 | 458d | 2005-10-23 | +1d |
|
Unscheduled
|
2004-07-22 | 2004-07-23 | 2 | 49d | - | - |
|
Scheduled
|
2004-03-23 | 2004-06-03 | 73 | 468d | 2004-10-20 (Model) | -211d (Model) |
|
Scheduled
|
2002-10-21 | 2002-12-11 | 52 | 139d | 2002-10-21 | 0d |
|
Unscheduled
|
2002-06-04 | 2002-06-04 | 1 | 9d | - | - |
|
Unscheduled
|
2002-04-29 | 2002-05-26 | 28 | 524d | - | - |
|
Unscheduled
|
2000-11-21 | 2000-11-21 | 1 | 8d | - | - |
|
Scheduled
|
2000-10-08 | 2000-11-13 | 37 | 135d | 2000-10-08 | 0d |
|
Unscheduled
|
2000-05-15 | 2000-05-26 | 12 | 177d | - | - |
|
Unscheduled
|
1999-11-20 | 1999-11-20 | 1 | 21d | - | - |
|
Unscheduled
|
1999-10-29 | 1999-10-30 | 2 | 36d | - | - |
|
Unscheduled
|
1999-09-23 | 1999-09-23 | 1 | 193d | - | - |
|
Scheduled
|
1999-02-08 | 1999-03-14 | 35 | - | 1999-02-08 | 0d |
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