?
Days of continuous operation since the last outage ended. Has forced outage(s) since last refueling.
157
Current Run
days
?
Longest recorded period of continuous operation between outages (2007-04-11 to 2009-04-07).
727
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.
4
B2B Runs
?
Lifetime capacity factor: average power level across all recorded days (100% = always at full power).
89.3%
Capacity Factor
?
Total number of scheduled refueling outages detected in the historical data.
14
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 |
|---|---|---|---|---|---|---|
|
Scram
# 58012
|
2025-10-29 | 2025-10-30 | 2 | 148d | - | - |
|
Scheduled
|
2025-03-24 | 2025-06-03 | 72 | 702d | 2025-03-28 | -4d |
|
Scheduled
|
2023-03-20 | 2023-04-22 | 34 | 63d | 2023-03-20 | 0d |
|
Unscheduled
|
2023-01-15 | 2023-01-16 | 2 | 105d | - | - |
|
Unscheduled
|
2022-09-29 | 2022-10-02 | 4 | 350d | - | - |
|
Scram
# 55514
|
2021-10-12 | 2021-10-14 | 3 | 173d | - | - |
|
Scheduled
|
2021-03-22 | 2021-04-22 | 32 | 401d | 2021-03-20 | +2d |
|
Scram
# 54525
|
2020-02-14 | 2020-02-15 | 2 | 300d | - | - |
|
Scheduled
|
2019-03-23 | 2019-04-20 | 29 | 714d | 2019-03-23 | 0d |
|
Scheduled
|
2017-03-04 | 2017-04-08 | 36 | 149d | 2017-03-04 | 0d |
|
Unscheduled
|
2016-10-02 | 2016-10-06 | 5 | 139d | - | - |
|
Scram
# 51925
|
2016-05-13 | 2016-05-16 | 4 | 356d | - | - |
|
Scheduled
|
2015-04-11 | 2015-05-23 | 43 | 210d | 2015-04-11 | 0d |
|
Unscheduled
|
2014-09-06 | 2014-09-13 | 8 | 64d | - | - |
|
Unscheduled
|
2014-06-26 | 2014-07-04 | 9 | 94d | - | - |
|
Unscheduled
|
2014-03-21 | 2014-03-24 | 4 | 7d | - | - |
|
Unscheduled
|
2014-03-02 | 2014-03-14 | 13 | 161d | - | - |
|
Scram
# 49342
|
2013-09-14 | 2013-09-22 | 9 | 109d | - | - |
|
Scheduled
|
2013-04-14 | 2013-05-28 | 45 | 109d | 2013-04-15 | -1d |
|
Scram
# 48607
|
2012-12-20 | 2012-12-26 | 7 | 2d | - | - |
|
Scram
# 48607
|
2012-12-16 | 2012-12-18 | 3 | 18d | - | - |
|
Unscheduled
|
2012-11-28 | 2012-11-28 | 1 | 3d | - | - |
|
Unscheduled
|
2012-11-21 | 2012-11-25 | 5 | 3d | - | - |
|
Scram
# 48496
|
2012-11-09 | 2012-11-18 | 10 | 149d | - | - |
|
Unscheduled
|
2012-05-31 | 2012-06-13 | 14 | 284d | - | - |
|
Scram
# 47172
|
2011-08-20 | 2011-08-21 | 2 | 55d | - | - |
|
Scheduled
|
2011-04-05 | 2011-06-26 | 83 | 346d | 2011-04-05 | 0d |
|
Unscheduled
|
2010-04-24 | 2010-04-24 | 1 | 344d | - | - |
|
Scheduled
|
2009-04-07 | 2009-05-15 | 39 | 727d | 2009-04-07 | 0d |
|
Scheduled
|
2007-03-04 | 2007-04-11 | 39 | 138d | 2007-03-03 | +1d |
|
Unscheduled
|
2006-09-30 | 2006-10-17 | 18 | 149d | - | - |
|
Unscheduled
|
2006-04-29 | 2006-05-04 | 6 | 323d | - | - |
|
Unscheduled
|
2005-06-07 | 2005-06-10 | 4 | 39d | - | - |
|
Unscheduled
|
2005-04-29 | 2005-04-29 | 1 | 17d | - | - |
|
Unscheduled
|
2005-04-11 | 2005-04-12 | 2 | 20d | - | - |
|
Scheduled
|
2005-02-27 | 2005-03-22 | 24 | 680d | 2005-02-26 | +1d |
|
Scheduled
|
2003-03-08 | 2003-04-19 | 43 | 147d | 2003-03-08 | 0d |
|
Unscheduled
|
2002-10-01 | 2002-10-12 | 12 | 527d | - | - |
|
Scheduled
|
2001-03-10 | 2001-04-22 | 44 | 199d | 2001-03-10 | 0d |
|
Unscheduled
|
2000-08-18 | 2000-08-23 | 6 | 240d | - | - |
|
Unscheduled
|
1999-12-18 | 1999-12-22 | 5 | 186d | - | - |
|
Unscheduled
|
1999-06-09 | 1999-06-15 | 7 | 44d | - | - |
|
Unscheduled
|
1999-04-26 | 1999-04-26 | 1 | 2d | - | - |
|
Scheduled
|
1999-03-13 | 1999-04-24 | 43 | - | 1999-03-13 | 0d |
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