?
Days of continuous operation since the last outage ended. Clean run (no forced outages since last refueling).
365
Current Run
days ✔
?
Longest recorded period of continuous operation between outages (2014-10-10 to 2016-03-06).
513
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.
3
B2B Runs
?
Lifetime capacity factor: average power level across all recorded days (100% = always at full power).
89.2%
Capacity Factor
?
Total number of scheduled refueling outages detected in the historical data.
18
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 |
|---|---|---|---|---|---|---|
|
Scheduled
|
2025-03-02 | 2025-04-05 | 35 | 434d | 2025-03-02 | 0d |
|
Unscheduled
|
2023-12-19 | 2023-12-24 | 6 | 67d | - | - |
|
Scheduled
|
2023-09-10 | 2023-10-13 | 34 | 358d | 2023-09-09 | +1d |
|
Scram
# 56073
|
2022-08-28 | 2022-09-17 | 21 | 2d | - | - |
|
Unscheduled
|
2022-08-14 | 2022-08-26 | 13 | 126d | - | - |
|
Scheduled
|
2022-03-06 | 2022-04-10 | 36 | 504d | 2022-03-05 | +1d |
|
Scheduled
|
2020-09-13 | 2020-10-18 | 36 | 149d | 2020-09-07 | +6d |
|
Unscheduled
|
2020-04-10 | 2020-04-17 | 8 | 368d | - | - |
|
Scheduled
|
2019-03-03 | 2019-04-08 | 37 | 446d | 2019-03-03 | 0d |
|
Unscheduled
|
2017-12-11 | 2017-12-12 | 2 | 63d | - | - |
|
Scheduled
|
2017-09-10 | 2017-10-09 | 30 | 403d | 2017-09-10 | 0d |
|
Unscheduled
|
2016-07-31 | 2016-08-03 | 4 | 112d | - | - |
|
Scheduled
|
2016-03-06 | 2016-04-10 | 36 | 513d | 2016-03-06 | 0d |
|
Scheduled
|
2014-09-07 | 2014-10-10 | 34 | 216d | 2014-09-07 | 0d |
|
Scram
# 49784
|
2014-02-03 | 2014-02-03 | 1 | 249d | - | - |
|
Scram
# 49075
|
2013-05-29 | 2013-05-30 | 2 | 8d | - | - |
|
Scram
# 49020
|
2013-05-11 | 2013-05-21 | 11 | 3d | - | - |
|
Scheduled
|
2013-04-07 | 2013-05-08 | 32 | 164d | 2013-04-07 | 0d |
|
Scram
# 48436
|
2012-10-24 | 2012-10-25 | 2 | 5d | - | - |
|
Unscheduled
|
2012-10-09 | 2012-10-19 | 11 | 324d | - | - |
|
Scheduled
|
2011-08-24 | 2011-11-20 | 89 | 290d | 2011-09-25 | -32d |
|
Unscheduled
|
2010-11-07 | 2010-11-07 | 1 | 20d | - | - |
|
Unscheduled
|
2010-09-29 | 2010-10-18 | 20 | 103d | - | - |
|
Unscheduled
|
2010-06-17 | 2010-06-18 | 2 | 15d | - | - |
|
Unscheduled
|
2010-05-28 | 2010-06-02 | 6 | 30d | - | - |
|
Unscheduled
|
2010-04-28 | 2010-04-28 | 1 | 4d | - | - |
|
Scheduled
|
2010-03-21 | 2010-04-24 | 35 | 99d | 2010-03-21 | 0d |
|
Unscheduled
|
2009-12-10 | 2009-12-12 | 3 | 393d | - | - |
|
Unscheduled
|
2008-10-30 | 2008-11-12 | 14 | 4d | - | - |
|
Scheduled
|
2008-09-14 | 2008-10-26 | 43 | 219d | 2008-09-14 | 0d |
|
Unscheduled
|
2008-02-02 | 2008-02-08 | 7 | 31d | - | - |
|
Unscheduled
|
2007-12-26 | 2008-01-02 | 8 | 171d | - | - |
|
Unscheduled
|
2007-06-30 | 2007-07-08 | 9 | 70d | - | - |
|
Scheduled
|
2007-03-18 | 2007-04-21 | 35 | 122d | 2007-03-17 | +1d |
|
Unscheduled
|
2006-11-16 | 2006-11-16 | 1 | 382d | - | - |
|
Scheduled
|
2005-10-02 | 2005-10-30 | 29 | 56d | 2005-10-01 | +1d |
|
Unscheduled
|
2005-08-06 | 2005-08-07 | 2 | 421d | - | - |
|
Unscheduled
|
2004-06-11 | 2004-06-11 | 1 | 12d | - | - |
|
Scheduled
|
2004-05-02 | 2004-05-30 | 29 | 457d | 2004-05-01 | +1d |
|
Scheduled
|
2002-09-08 | 2003-01-31 | 146 | 259d | 2002-09-08 | 0d |
|
Unscheduled
|
2001-12-23 | 2001-12-23 | 1 | 8d | - | - |
|
Unscheduled
|
2001-10-29 | 2001-12-15 | 48 | 203d | - | - |
|
Scheduled
|
2001-03-11 | 2001-04-09 | 30 | 50d | 2001-03-11 | 0d |
|
Unscheduled
|
2001-01-20 | 2001-01-20 | 1 | 291d | - | - |
|
Unscheduled
|
2000-04-04 | 2000-04-04 | 1 | 123d | - | - |
|
Unscheduled
|
1999-12-03 | 1999-12-03 | 1 | 55d | - | - |
|
Scheduled
|
1999-09-12 | 1999-10-09 | 28 | - | 1999-09-12 | 0d |
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