?
Days of continuous operation since the last outage ended. Has forced outage(s) since last refueling.
161
Current Run
days
?
Longest recorded period of continuous operation between outages (1999-06-27 to 2001-02-03).
587
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).
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
|
2025-10-17 | 2025-10-26 | 10 | 75d | - | - |
|
Unscheduled
|
2025-08-01 | 2025-08-03 | 3 | 76d | - | - |
|
Scheduled
|
2025-04-11 | 2025-05-17 | 37 | 207d | 2025-04-13 | -2d |
|
Unscheduled
|
2024-09-04 | 2024-09-16 | 13 | 231d | - | - |
|
Unscheduled
|
2024-01-09 | 2024-01-17 | 9 | 32d | - | - |
|
Unscheduled
|
2023-12-03 | 2023-12-08 | 6 | 3d | - | - |
|
Scheduled
|
2023-10-20 | 2023-11-30 | 42 | 114d | 2023-10-14 | +6d |
|
Scram
# 56544
|
2023-05-31 | 2023-06-28 | 29 | 363d | - | - |
|
Scheduled
|
2022-04-08 | 2022-06-02 | 56 | 295d | 2022-04-07 | +1d |
|
Unscheduled
|
2021-06-11 | 2021-06-17 | 7 | 159d | - | - |
|
Unscheduled
|
2020-12-31 | 2021-01-03 | 4 | 50d | - | - |
|
Scheduled
|
2020-10-02 | 2020-11-11 | 41 | 171d | 2020-10-19 | -17d |
|
Scram
# 54663
|
2020-04-14 | 2020-04-14 | 1 | 4d | - | - |
|
Scram
# 54631
|
2020-04-02 | 2020-04-10 | 9 | 102d | - | - |
|
Unscheduled
|
2019-12-18 | 2019-12-22 | 5 | 218d | - | - |
|
Scheduled
|
2019-04-12 | 2019-05-14 | 33 | 515d | 2019-04-13 | -1d |
|
Scheduled
|
2017-10-13 | 2017-11-13 | 32 | 477d | 2017-10-08 | +5d |
|
Scram
# 52000
|
2016-06-13 | 2016-06-23 | 11 | 27d | - | - |
|
Scram
# 51929
|
2016-05-16 | 2016-05-17 | 2 | 4d | - | - |
|
Scheduled
|
2016-04-10 | 2016-05-12 | 33 | 73d | 2016-04-10 | 0d |
|
Scram
# 51682
|
2016-01-25 | 2016-01-28 | 4 | 435d | - | - |
|
Scheduled
|
2014-10-12 | 2014-11-16 | 36 | 132d | 2014-10-12 | 0d |
|
Scram
# 50141
|
2014-05-26 | 2014-06-02 | 8 | 286d | - | - |
|
Scram
# 49260
|
2013-08-10 | 2013-08-13 | 4 | 85d | - | - |
|
Scheduled
|
2013-04-14 | 2013-05-17 | 34 | 509d | 2013-04-14 | 0d |
|
Scheduled
|
2011-10-09 | 2011-11-22 | 45 | 419d | 2011-10-09 | 0d |
|
Unscheduled
|
2010-08-15 | 2010-08-16 | 2 | 89d | - | - |
|
Unscheduled
|
2010-05-18 | 2010-05-18 | 1 | 2d | - | - |
|
Scheduled
|
2010-04-11 | 2010-05-16 | 36 | 96d | 2010-04-04 | +7d |
|
Unscheduled
|
2009-12-20 | 2010-01-05 | 17 | 392d | - | - |
|
Scheduled
|
2008-10-12 | 2008-11-23 | 43 | 513d | 2008-10-12 | 0d |
|
Scheduled
|
2007-04-07 | 2007-05-18 | 42 | 68d | 2007-04-07 | 0d |
|
Unscheduled
|
2007-01-29 | 2007-01-29 | 1 | 421d | - | - |
|
Unscheduled
|
2005-12-02 | 2005-12-04 | 3 | 36d | - | - |
|
Scheduled
|
2005-09-30 | 2005-10-27 | 28 | 153d | 2005-09-29 | +1d |
|
Unscheduled
|
2005-04-18 | 2005-04-30 | 13 | 347d | - | - |
|
Scheduled
|
2004-04-03 | 2004-05-06 | 34 | 461d | 2004-04-02 | +1d |
|
Unscheduled
|
2002-12-23 | 2002-12-29 | 7 | 80d | - | - |
|
Scheduled
|
2002-09-07 | 2002-10-04 | 28 | 527d | 2002-09-07 | 0d |
|
Scheduled
|
2001-02-03 | 2001-03-29 | 55 | 587d | 2001-02-03 | 0d |
|
Unscheduled
|
1999-05-02 | 1999-06-27 | 57 | - | - | - |
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