Reactor Status Timeline
Refueling Outage · Day 315 NRC data, Mon to Fri ? Actual daily reactor status from NRC reports (Mon to Fri), the current state, and what is coming: the utility's published Scheduled outage plus, for subscribers, NukeWorker's model Projection. Colored by status. How far ahead you can see depends on your plan.Refueling Outage
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This unit is permanently shut down (shutdown date: 2022-05-20).
Shut Down
2022-05-20
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Longest recorded period of continuous operation between outages (2001-05-07 to 2002-12-02).
574
Record Run
days
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Breaker-to-Breaker runs — continuous operation exceeding the cycle-adjusted threshold (441 days for this 18-month cycle unit) with no trips to 0% power.
2
B2B Runs
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Lifetime capacity factor: average power level across all recorded days (100% = always at full power).
82.3%
Capacity Factor
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Net electricity actually generated over the most recent 12 months reported by the U.S. EIA (Form EIA-923). Authoritative actuals, not an estimate.
5.67 TWh
Net Generation
EIA-923 · 12 mo to 2022-07
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Total number of scheduled refueling outages detected in the historical data. D&D shutdown period excluded.
14
Outages
since 1999
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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)
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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
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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
Palisades has 52 outages plotted here, averaging 17 days each. The most recent, in Aug 2020, was a scheduled refueling outage lasting 51 days.
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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
Between refueling outages, Palisades runs about 587 days, or roughly 19 months, per cycle. That average comes from 13 completed cycles, the most recent lasting 687 days.
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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
After a refueling outage, Palisades takes about 6 days to climb from first power back to full power. That average is drawn from 14 startups on record, and the most recent took 4 days.
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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
Over its operating life, Palisades has run at about 82.3% of its rated capacity. Across the last 12 reported months it averaged 0.0%. On the chart, flat stretches near the top are full-power running and drops to zero are outages.
This table logs every recorded outage for Palisades, 54 in all since 1999. Of those, 15 were scheduled refueling outages and 39 were unplanned or forced. The typical outage lasted about 48 days. Where the Scheduled column shows (Model), the date is a NukeWorker projection because the utility had not published one.
| 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
# 51397
|
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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