?
This unit is permanently shut down (shutdown date: 2022-05-20).
Shut Down
2022-05-20
?
Longest recorded period of continuous operation between outages (2001-05-07 to 2002-12-02).
574
Record Run
days
?
Breaker-to-Breaker runs — continuous operation exceeding the cycle-adjusted threshold (400 days for this 18-month cycle unit) with no trips to 0% power.
2
B2B Runs
?
Lifetime capacity factor: average power level across all recorded days (100% = always at full power).
82.9%
Capacity Factor
?
Total number of scheduled refueling outages detected in the historical data. D&D shutdown period excluded.
14
Outages
since 1999
?
Average time from first power generation (>0%) to sustained full power (≥95% for 2+ days) across the last 3 scheduled outages. Click to compare against the fleet on the Operator Efficiency Leaderboard.
4.7
Avg Startup
days (last 3)
?
Average fuel utilization — percent of the designed fuel cycle that this unit consumes before refueling, derived from the historical burn-down trajectory. Higher = more efficient operator (refuels with less margin remaining; closer to coastdown). Computed as 100% minus the unit's average refuel-point fuel %, using the last 3 years where available, otherwise lifetime average. Click to compare against the fleet on the Operator Efficiency Leaderboard.
89.5%
Fuel Utilization
lifetime avg
?
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
?
Time in days from first power generation (>0%) to sustained full power (≥95% for 2+ consecutive days) after each scheduled refueling outage. The dashed line marks the average. Includes startup testing holds and power dips.
Startup Duration Trend
?
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
Ext. Shutdown
|
2022-05-21 | Decommissioned | 1 (D&D) | 578d | 2022-06-01 | -11d |
|
Scheduled
|
2020-08-31 | 2020-10-20 | 51 | 398d | 2020-08-30 | +1d |
|
Unscheduled
|
2019-07-28 | 2019-07-30 | 3 | 199d | - | - |
|
Scram
# 53819
|
2019-01-10 | 2019-01-10 | 1 | 5d | - | - |
|
Scram
# 53813
|
2019-01-04 | 2019-01-05 | 2 | 7d | - | - |
|
Scheduled
|
2018-10-14 | 2018-12-28 | 76 | 199d | 2018-10-25 | -11d |
|
Unscheduled
|
2018-03-27 | 2018-03-29 | 3 | 311d | - | - |
|
Scheduled
|
2017-04-24 | 2017-05-20 | 27 | 33d | 2017-04-23 | +1d |
|
Unscheduled
|
2017-03-18 | 2017-03-22 | 5 | 517d | - | - |
|
Scheduled
|
2015-09-16 | 2015-10-18 | 33 | 447d | 2015-09-13 | +3d |
|
Unscheduled
|
2014-06-21 | 2014-06-26 | 6 | 98d | - | - |
|
Scheduled
|
2014-01-20 | 2014-03-15 | 55 | 218d | 2014-01-19 | +1d |
|
Unscheduled
|
2013-05-06 | 2013-06-16 | 42 | 74d | - | - |
|
Unscheduled
|
2013-02-16 | 2013-02-21 | 6 | 102d | - | - |
|
Unscheduled
|
2012-11-05 | 2012-11-06 | 2 | 68d | - | - |
|
Unscheduled
|
2012-08-12 | 2012-08-29 | 18 | 33d | - | - |
|
Unscheduled
|
2012-06-13 | 2012-07-10 | 28 | 34d | - | - |
|
Scheduled
|
2012-04-09 | 2012-05-10 | 32 | 92d | 2012-04-08 | +1d |
|
Unscheduled
|
2012-01-06 | 2012-01-08 | 3 | 22d | - | - |
|
Scram
# 47523
|
2011-12-15 | 2011-12-15 | 1 | 75d | - | - |
|
Scram
# 47290
|
2011-09-26 | 2011-10-01 | 6 | 7d | - | - |
|
Scram
# 47271
|
2011-09-17 | 2011-09-19 | 3 | 236d | - | - |
|
Scram
# 46564
|
2011-01-23 | 2011-01-24 | 2 | 86d | - | - |
|
Scheduled
|
2010-10-04 | 2010-10-29 | 26 | 94d | 2010-10-03 | +1d |
|
Unscheduled
|
2010-06-25 | 2010-07-02 | 8 | 421d | - | - |
|
Unscheduled
|
2009-04-30 | 2009-04-30 | 1 | 2d | - | - |
|
Scheduled
|
2009-03-23 | 2009-04-28 | 37 | 31d | 2009-03-22 | +1d |
|
Unscheduled
|
2009-02-18 | 2009-02-20 | 3 | 193d | - | - |
|
Unscheduled
|
2008-08-06 | 2008-08-09 | 4 | 74d | - | - |
|
Unscheduled
|
2008-05-24 | 2008-05-24 | 1 | 131d | - | - |
|
Unscheduled
|
2008-01-14 | 2008-01-14 | 1 | 87d | - | - |
|
Scheduled
|
2007-09-10 | 2007-10-19 | 40 | 119d | 2007-09-07 | +3d |
|
Unscheduled
|
2007-05-09 | 2007-05-14 | 6 | 65d | - | - |
|
Unscheduled
|
2007-02-27 | 2007-03-05 | 7 | 116d | - | - |
|
Unscheduled
|
2006-11-02 | 2006-11-03 | 2 | 170d | - | - |
|
Unscheduled
|
2006-05-12 | 2006-05-16 | 5 | 2d | - | - |
|
Scheduled
|
2006-04-01 | 2006-05-10 | 40 | 85d | 2006-03-31 | +1d |
|
Unscheduled
|
2005-12-31 | 2006-01-06 | 7 | 120d | - | - |
|
Unscheduled
|
2005-09-02 | 2005-09-02 | 1 | 231d | - | - |
|
Unscheduled
|
2005-01-10 | 2005-01-14 | 5 | 55d | - | - |
|
Scheduled
|
2004-09-20 | 2004-11-16 | 58 | 19d | 2004-09-19 | +1d |
|
Unscheduled
|
2004-09-01 | 2004-09-01 | 1 | 16d | - | - |
|
Unscheduled
|
2004-08-11 | 2004-08-16 | 6 | 480d | - | - |
|
Scheduled
|
2003-03-17 | 2003-04-19 | 34 | 103d | 2003-03-17 | 0d |
|
Unscheduled
|
2002-12-02 | 2002-12-04 | 3 | 318d | - | - |
|
Unscheduled
|
2001-06-21 | 2002-01-18 | 212 | 45d | - | - |
|
Scheduled
|
2001-03-31 | 2001-05-07 | 38 | 196d | 2001-03-31 | 0d |
|
Unscheduled
|
2000-09-06 | 2000-09-16 | 11 | 60d | - | - |
|
Unscheduled
|
2000-07-02 | 2000-07-08 | 7 | 86d | - | - |
|
Unscheduled
|
2000-04-05 | 2000-04-07 | 3 | 37d | - | - |
|
Unscheduled
|
2000-02-05 | 2000-02-28 | 24 | 57d | - | - |
|
Scheduled
|
1999-10-16 | 1999-12-10 | 56 | 151d | 1999-10-16 | 0d |
|
Unscheduled
|
1999-05-07 | 1999-05-18 | 12 | 120d | - | - |
|
Unscheduled
|
1999-01-01 | 1999-01-07 | 7 | - | - | - |
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