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NukeWorker Outage Schedule Scorecard

NukeWorker leverages over a quarter century of historical data to independently forecast Nuclear Outages.
As of Mar 21, 2026, our predictive modeling accurately projects outage start dates with 99.6% accuracy.
Our calculated outage end dates are 82.6% more accurate at predicting extensions than the utilities' published schedules.

Outage Start Date Accuracy
99.6%

Average confidence score in our projected Start Dates.

Historically scheduled start dates compared against the actual outage start dates.

Outage Extension Accuracy
82.6%

And 70% more accurate than the sites at modeling their true end dates.

NukeWorker's Predictive Model successfully forecasted a more accurate completion date than the officially published schedule.

Unit Leaderboard: Start Dates

# Unit Name Start Date Accuracy Last Calculated
1 Arkansas Nuclear 1 100% Mar 21, 2026
2 Arkansas Nuclear 2 100% Mar 21, 2026
3 Beaver Valley 1 100% Mar 21, 2026
4 Beaver Valley 2 100% Mar 21, 2026
5 Braidwood 1 100% Mar 21, 2026
6 Braidwood 2 100% Mar 21, 2026
7 Browns Ferry 1 100% Mar 21, 2026
8 Browns Ferry 2 100% Mar 21, 2026
9 Browns Ferry 3 100% Mar 21, 2026
10 Brunswick 2 100% Mar 21, 2026
11 Byron 1 100% Mar 21, 2026
12 Byron 2 100% Mar 21, 2026
13 Calvert Cliffs 2 100% Mar 21, 2026
14 Catawba 2 100% Mar 21, 2026
15 Clinton 100% Mar 21, 2026
16 Comanche Peak 1 100% Mar 21, 2026
17 Cooper 100% Mar 21, 2026
18 Davis-Besse 100% Mar 21, 2026
19 Diablo Canyon 1 100% Mar 21, 2026
20 Diablo Canyon 2 100% Mar 21, 2026
21 Dresden 2 100% Mar 21, 2026
22 Dresden 3 100% Mar 21, 2026
23 Fermi 2 100% Mar 21, 2026
24 FitzPatrick 100% Mar 21, 2026
25 Ginna 100% Mar 21, 2026
26 Grand Gulf 1 100% Mar 21, 2026
27 Harris 1 100% Mar 21, 2026
28 Hatch 1 100% Mar 21, 2026
29 Hope Creek 1 100% Mar 21, 2026
30 LaSalle 1 100% Mar 21, 2026
31 LaSalle 2 100% Mar 21, 2026
32 Limerick 1 100% Mar 21, 2026
33 Limerick 2 100% Mar 21, 2026
34 McGuire 1 100% Mar 21, 2026
35 McGuire 2 100% Mar 21, 2026
36 Millstone 2 100% Mar 21, 2026
37 Millstone 3 100% Mar 21, 2026
38 Monticello 100% Mar 21, 2026
39 Nine Mile Point 1 100% Mar 21, 2026
40 Nine Mile Point 2 100% Mar 21, 2026
41 North Anna 1 100% Mar 21, 2026
42 North Anna 2 100% Mar 21, 2026
43 Oconee 1 100% Mar 21, 2026
44 Palo Verde 2 100% Mar 21, 2026
45 Palo Verde 3 100% Mar 21, 2026
46 Peach Bottom 2 100% Mar 21, 2026
47 Peach Bottom 3 100% Mar 21, 2026
48 Point Beach 2 100% Mar 21, 2026
49 Prairie Island 1 100% Mar 21, 2026
50 Prairie Island 2 100% Mar 21, 2026
51 Quad Cities 2 100% Mar 21, 2026
52 Robinson 2 100% Mar 21, 2026
53 Saint Lucie 1 100% Mar 21, 2026
54 Saint Lucie 2 100% Mar 21, 2026
55 Salem 2 100% Mar 21, 2026
56 Seabrook 1 100% Mar 21, 2026
57 Sequoyah 1 100% Mar 21, 2026
58 South Texas 2 100% Mar 21, 2026
59 Surry 1 100% Mar 21, 2026
60 Surry 2 100% Mar 21, 2026
61 Susquehanna 1 100% Mar 21, 2026
62 Susquehanna 2 100% Mar 21, 2026
63 Vogtle 1 100% Mar 21, 2026
64 Vogtle 2 100% Mar 21, 2026
65 Vogtle 4 100% Mar 21, 2026
66 Watts Bar 2 100% Mar 21, 2026
67 Wolf Creek 1 100% Mar 21, 2026
68 Callaway 99% Mar 21, 2026
69 Calvert Cliffs 1 99% Mar 21, 2026
70 Comanche Peak 2 99% Mar 21, 2026
71 Farley 1 99% Mar 21, 2026
72 Hatch 2 99% Mar 21, 2026
73 Oconee 2 99% Mar 21, 2026
74 Oconee 3 99% Mar 21, 2026
75 Palo Verde 1 99% Mar 21, 2026
76 Perry 1 99% Mar 21, 2026
77 Point Beach 1 99% Mar 21, 2026
78 Quad Cities 1 99% Mar 21, 2026
79 River Bend 1 99% Mar 21, 2026
80 Salem 1 99% Mar 21, 2026
81 Sequoyah 2 99% Mar 21, 2026
82 South Texas 1 99% Mar 21, 2026
83 Summer 99% Mar 21, 2026
84 Turkey Point 4 99% Mar 21, 2026
85 Vogtle 3 99% Mar 21, 2026
86 Brunswick 1 98% Mar 21, 2026
87 Catawba 1 98% Mar 21, 2026
88 D.C. Cook 1 98% Mar 21, 2026
89 D.C. Cook 2 98% Mar 21, 2026
90 Farley 2 98% Mar 21, 2026
91 Turkey Point 3 98% Mar 21, 2026
92 Waterford 3 98% Mar 21, 2026
93 Watts Bar 1 98% Mar 21, 2026
94 Columbia Generating Station 97% Mar 21, 2026

Unit Leaderboard: Outage Extensions

# Unit Name Accuracy Comparison (NukeWorker vs. Official Utility Schedule) Current Predicted Extension Last Calculated
1 Vogtle 4
NukeWorker Accuracy: 100% (Win Rate: 100%)
Utility Schedule Accuracy: 85%
+4 Days Mar 21, 2026
2 Braidwood 2
NukeWorker Accuracy: 99% (Win Rate: 100%)
Utility Schedule Accuracy: 99%
0 Days (On-Time) Mar 21, 2026
3 Braidwood 1
NukeWorker Accuracy: 98% (Win Rate: 100%)
Utility Schedule Accuracy: 98%
0 Days (On-Time) Mar 21, 2026
4 Ginna
NukeWorker Accuracy: 98% (Win Rate: 100%)
Utility Schedule Accuracy: 98%
0 Days (On-Time) Mar 21, 2026
5 Limerick 2
NukeWorker Accuracy: 98% (Win Rate: 100%)
Utility Schedule Accuracy: 98%
0 Days (On-Time) Mar 21, 2026
6 Monticello
NukeWorker Accuracy: 98% (Win Rate: 100%)
Utility Schedule Accuracy: 68%
+6.2 Days Mar 21, 2026
7 Point Beach 2
NukeWorker Accuracy: 98% (Win Rate: 67%)
Utility Schedule Accuracy: 98%
+0.6 Days Mar 21, 2026
8 Clinton
NukeWorker Accuracy: 97% (Win Rate: 100%)
Utility Schedule Accuracy: 76%
+5.4 Days Mar 21, 2026
9 D.C. Cook 2
NukeWorker Accuracy: 97% (Win Rate: 100%)
Utility Schedule Accuracy: 74%
+5.6 Days Mar 21, 2026
10 Saint Lucie 2
NukeWorker Accuracy: 97% (Win Rate: 67%)
Utility Schedule Accuracy: 89%
+3.1 Days Mar 21, 2026
11 Dresden 3
NukeWorker Accuracy: 96% (Win Rate: 100%)
Utility Schedule Accuracy: 96%
0 Days (On-Time) Mar 21, 2026
12 McGuire 2
NukeWorker Accuracy: 96% (Win Rate: 100%)
Utility Schedule Accuracy: 96%
0 Days (On-Time) Mar 21, 2026
13 Palo Verde 2
NukeWorker Accuracy: 96% (Win Rate: 100%)
Utility Schedule Accuracy: 83%
+4.2 Days Mar 21, 2026
14 Beaver Valley 1
NukeWorker Accuracy: 95% (Win Rate: 100%)
Utility Schedule Accuracy: 27%
+10.5 Days Mar 21, 2026
15 Browns Ferry 1
NukeWorker Accuracy: 95% (Win Rate: 100%)
Utility Schedule Accuracy: 95%
0 Days (On-Time) Mar 21, 2026
16 Byron 2
NukeWorker Accuracy: 95% (Win Rate: 33%)
Utility Schedule Accuracy: 96%
+1 Days Mar 21, 2026
17 LaSalle 1
NukeWorker Accuracy: 95% (Win Rate: 67%)
Utility Schedule Accuracy: 90%
+2.4 Days Mar 21, 2026
18 North Anna 2
NukeWorker Accuracy: 95% (Win Rate: 33%)
Utility Schedule Accuracy: 95%
+0.3 Days Mar 21, 2026
19 Vogtle 1
NukeWorker Accuracy: 95% (Win Rate: 67%)
Utility Schedule Accuracy: 91%
+2.5 Days Mar 21, 2026
20 Byron 1
NukeWorker Accuracy: 94% (Win Rate: 100%)
Utility Schedule Accuracy: 94%
0 Days (On-Time) Mar 21, 2026
21 Catawba 2
NukeWorker Accuracy: 94% (Win Rate: 67%)
Utility Schedule Accuracy: 86%
+3.7 Days Mar 21, 2026
22 Comanche Peak 1
NukeWorker Accuracy: 94% (Win Rate: 100%)
Utility Schedule Accuracy: 94%
0 Days (On-Time) Mar 21, 2026
23 FitzPatrick
NukeWorker Accuracy: 94% (Win Rate: 100%)
Utility Schedule Accuracy: 94%
0 Days (On-Time) Mar 21, 2026
24 Calvert Cliffs 1
NukeWorker Accuracy: 93% (Win Rate: 100%)
Utility Schedule Accuracy: 93%
0 Days (On-Time) Mar 21, 2026
25 Limerick 1
NukeWorker Accuracy: 93% (Win Rate: 100%)
Utility Schedule Accuracy: 93%
0 Days (On-Time) Mar 21, 2026
26 Oconee 3
NukeWorker Accuracy: 93% (Win Rate: 67%)
Utility Schedule Accuracy: 93%
+0.6 Days Mar 21, 2026
27 Susquehanna 1
NukeWorker Accuracy: 93% (Win Rate: 67%)
Utility Schedule Accuracy: 80%
+4.1 Days Mar 21, 2026
28 Wolf Creek 1
NukeWorker Accuracy: 93% (Win Rate: 67%)
Utility Schedule Accuracy: 57%
+7 Days Mar 21, 2026
29 Browns Ferry 2
NukeWorker Accuracy: 92% (Win Rate: 67%)
Utility Schedule Accuracy: 56%
+7.1 Days Mar 21, 2026
30 Harris 1
NukeWorker Accuracy: 92% (Win Rate: 67%)
Utility Schedule Accuracy: 87%
+3.2 Days Mar 21, 2026
31 Point Beach 1
NukeWorker Accuracy: 92% (Win Rate: 100%)
Utility Schedule Accuracy: 92%
0 Days (On-Time) Mar 21, 2026
32 Catawba 1
NukeWorker Accuracy: 91% (Win Rate: 33%)
Utility Schedule Accuracy: 91%
+0.5 Days Mar 21, 2026
33 Oconee 1
NukeWorker Accuracy: 91% (Win Rate: 100%)
Utility Schedule Accuracy: 91%
0 Days (On-Time) Mar 21, 2026
34 Quad Cities 1
NukeWorker Accuracy: 91% (Win Rate: 33%)
Utility Schedule Accuracy: 92%
+1.7 Days Mar 21, 2026
35 Callaway
NukeWorker Accuracy: 90% (Win Rate: 100%)
Utility Schedule Accuracy: 13%
+12.7 Days Mar 21, 2026
36 D.C. Cook 1
NukeWorker Accuracy: 90% (Win Rate: 67%)
Utility Schedule Accuracy: 65%
+6.1 Days Mar 21, 2026
37 Millstone 3
NukeWorker Accuracy: 90% (Win Rate: 100%)
Utility Schedule Accuracy: 33%
+10.1 Days Mar 21, 2026
38 Sequoyah 1
NukeWorker Accuracy: 90% (Win Rate: 67%)
Utility Schedule Accuracy: 90%
+2.2 Days Mar 21, 2026
39 Surry 2
NukeWorker Accuracy: 90% (Win Rate: 67%)
Utility Schedule Accuracy: 92%
+1.7 Days Mar 21, 2026
40 Columbia Generating Station
NukeWorker Accuracy: 87% (Win Rate: 67%)
Utility Schedule Accuracy: 19%
+12.1 Days Mar 21, 2026
41 Diablo Canyon 2
NukeWorker Accuracy: 87% (Win Rate: 100%)
Utility Schedule Accuracy: 87%
0 Days (On-Time) Mar 21, 2026
42 Brunswick 1
NukeWorker Accuracy: 86% (Win Rate: 33%)
Utility Schedule Accuracy: 88%
+1.8 Days Mar 21, 2026
43 Calvert Cliffs 2
NukeWorker Accuracy: 86% (Win Rate: 67%)
Utility Schedule Accuracy: 66%
+5.6 Days Mar 21, 2026
44 Comanche Peak 2
NukeWorker Accuracy: 86% (Win Rate: 100%)
Utility Schedule Accuracy: 68%
+6 Days Mar 21, 2026
45 Nine Mile Point 2
NukeWorker Accuracy: 86% (Win Rate: 67%)
Utility Schedule Accuracy: 79%
+3 Days Mar 21, 2026
46 Oconee 2
NukeWorker Accuracy: 86% (Win Rate: 33%)
Utility Schedule Accuracy: 87%
+1.8 Days Mar 21, 2026
47 Vogtle 3
NukeWorker Accuracy: 86% (Win Rate: 100%)
Utility Schedule Accuracy: 26%
+11 Days Mar 21, 2026
48 Fermi 2
NukeWorker Accuracy: 85% (Win Rate: 100%)
Utility Schedule Accuracy: 30%
+11 Days Mar 21, 2026
49 North Anna 1
NukeWorker Accuracy: 85% (Win Rate: 33%)
Utility Schedule Accuracy: 84%
+2.7 Days Mar 21, 2026
50 Peach Bottom 2
NukeWorker Accuracy: 85% (Win Rate: 33%)
Utility Schedule Accuracy: 84%
+2.1 Days Mar 21, 2026
51 Palo Verde 1
NukeWorker Accuracy: 84% (Win Rate: 100%)
Utility Schedule Accuracy: 37%
+9.3 Days Mar 21, 2026
52 South Texas 1
NukeWorker Accuracy: 84% (Win Rate: 67%)
Utility Schedule Accuracy: 85%
+0.6 Days Mar 21, 2026
53 Arkansas Nuclear 1
NukeWorker Accuracy: 83% (Win Rate: 67%)
Utility Schedule Accuracy: 73%
+4 Days Mar 21, 2026
54 Vogtle 2
NukeWorker Accuracy: 83% (Win Rate: 33%)
Utility Schedule Accuracy: 83%
+2.5 Days Mar 21, 2026
55 Brunswick 2
NukeWorker Accuracy: 82% (Win Rate: 67%)
Utility Schedule Accuracy: 78%
+2.6 Days Mar 21, 2026
56 Robinson 2
NukeWorker Accuracy: 82% (Win Rate: 67%)
Utility Schedule Accuracy: 60%
+6.9 Days Mar 21, 2026
57 Peach Bottom 3
NukeWorker Accuracy: 81% (Win Rate: 100%)
Utility Schedule Accuracy: 81%
0 Days (On-Time) Mar 21, 2026
58 Saint Lucie 1
NukeWorker Accuracy: 81% (Win Rate: 67%)
Utility Schedule Accuracy: 55%
+6.8 Days Mar 21, 2026
59 Watts Bar 1
NukeWorker Accuracy: 81% (Win Rate: 67%)
Utility Schedule Accuracy: 61%
+5.6 Days Mar 21, 2026
60 Seabrook 1
NukeWorker Accuracy: 79% (Win Rate: 67%)
Utility Schedule Accuracy: 41%
+8.2 Days Mar 21, 2026
61 Hatch 2
NukeWorker Accuracy: 78% (Win Rate: 67%)
Utility Schedule Accuracy: 36%
+10.3 Days Mar 21, 2026
62 Arkansas Nuclear 2
NukeWorker Accuracy: 77% (Win Rate: 67%)
Utility Schedule Accuracy: 75%
+4.7 Days Mar 21, 2026
63 Beaver Valley 2
NukeWorker Accuracy: 77% (Win Rate: 67%)
Utility Schedule Accuracy: 61%
+7.1 Days Mar 21, 2026
64 Dresden 2
NukeWorker Accuracy: 77% (Win Rate: 33%)
Utility Schedule Accuracy: 77%
+1.2 Days Mar 21, 2026
65 Hatch 1
NukeWorker Accuracy: 77% (Win Rate: 67%)
Utility Schedule Accuracy: 26%
+11.5 Days Mar 21, 2026
66 Turkey Point 3
NukeWorker Accuracy: 77% (Win Rate: 67%)
Utility Schedule Accuracy: 73%
+5.2 Days Mar 21, 2026
67 Turkey Point 4
NukeWorker Accuracy: 76% (Win Rate: 67%)
Utility Schedule Accuracy: 54%
+5.6 Days Mar 21, 2026
68 Hope Creek 1
NukeWorker Accuracy: 75% (Win Rate: 67%)
Utility Schedule Accuracy: 56%
+5.8 Days Mar 21, 2026
69 McGuire 1
NukeWorker Accuracy: 75% (Win Rate: 33%)
Utility Schedule Accuracy: 80%
+1.3 Days Mar 21, 2026
70 Susquehanna 2
NukeWorker Accuracy: 73% (Win Rate: 33%)
Utility Schedule Accuracy: 44%
+9.3 Days Mar 21, 2026
71 Millstone 2
NukeWorker Accuracy: 72% (Win Rate: 67%)
Utility Schedule Accuracy: 63%
+6.5 Days Mar 21, 2026
72 Summer
NukeWorker Accuracy: 72% (Win Rate: 67%)
Utility Schedule Accuracy: 23%
+9.9 Days Mar 21, 2026
73 Browns Ferry 3
NukeWorker Accuracy: 71% (Win Rate: 67%)
Utility Schedule Accuracy: 57%
+4.5 Days Mar 21, 2026
74 Prairie Island 2
NukeWorker Accuracy: 71% (Win Rate: 67%)
Utility Schedule Accuracy: 59%
+6.7 Days Mar 21, 2026
75 River Bend 1
NukeWorker Accuracy: 71% (Win Rate: 67%)
Utility Schedule Accuracy: 19%
+10.7 Days Mar 21, 2026
76 Diablo Canyon 1
NukeWorker Accuracy: 69% (Win Rate: 33%)
Utility Schedule Accuracy: 70%
+1.5 Days Mar 21, 2026
77 Palo Verde 3
NukeWorker Accuracy: 69% (Win Rate: 33%)
Utility Schedule Accuracy: 46%
+8.9 Days Mar 21, 2026
78 Watts Bar 2
NukeWorker Accuracy: 68% (Win Rate: 33%)
Utility Schedule Accuracy: 72%
+0.8 Days Mar 21, 2026
79 South Texas 2
NukeWorker Accuracy: 67% (Win Rate: 67%)
Utility Schedule Accuracy: 67%
+4.3 Days Mar 21, 2026
80 Farley 2
NukeWorker Accuracy: 66% (Win Rate: 67%)
Utility Schedule Accuracy: 11%
+10.2 Days Mar 21, 2026
81 LaSalle 2
NukeWorker Accuracy: 66% (Win Rate: 67%)
Utility Schedule Accuracy: 69%
+3 Days Mar 21, 2026
82 Salem 1
NukeWorker Accuracy: 66% (Win Rate: 33%)
Utility Schedule Accuracy: 46%
+8.7 Days Mar 21, 2026
83 Farley 1
NukeWorker Accuracy: 65% (Win Rate: 67%)
Utility Schedule Accuracy: 58%
+5.8 Days Mar 21, 2026
84 Waterford 3
NukeWorker Accuracy: 65% (Win Rate: 67%)
Utility Schedule Accuracy: 48%
+8.5 Days Mar 21, 2026
85 Davis-Besse
NukeWorker Accuracy: 64% (Win Rate: 33%)
Utility Schedule Accuracy: 68%
+4.7 Days Mar 21, 2026
86 Nine Mile Point 1
NukeWorker Accuracy: 64% (Win Rate: 67%)
Utility Schedule Accuracy: 67%
+3.6 Days Mar 21, 2026
87 Salem 2
NukeWorker Accuracy: 64% (Win Rate: 67%)
Utility Schedule Accuracy: 65%
+3.4 Days Mar 21, 2026
88 Cooper
NukeWorker Accuracy: 62% (Win Rate: 67%)
Utility Schedule Accuracy: 59%
+2.2 Days Mar 21, 2026
89 Sequoyah 2
NukeWorker Accuracy: 62% (Win Rate: 67%)
Utility Schedule Accuracy: 29%
+10.4 Days Mar 21, 2026
90 Grand Gulf 1
NukeWorker Accuracy: 61% (Win Rate: 67%)
Utility Schedule Accuracy: 52%
+6.9 Days Mar 21, 2026
91 Surry 1
NukeWorker Accuracy: 61% (Win Rate: 67%)
Utility Schedule Accuracy: 41%
+8.5 Days Mar 21, 2026
92 Quad Cities 2
NukeWorker Accuracy: 58% (Win Rate: 33%)
Utility Schedule Accuracy: 67%
+3.3 Days Mar 21, 2026
93 Prairie Island 1
NukeWorker Accuracy: 53% (Win Rate: 33%)
Utility Schedule Accuracy: 47%
+7.3 Days Mar 21, 2026
94 Perry 1
NukeWorker Accuracy: 48% (Win Rate: 67%)
Utility Schedule Accuracy: 39%
+4.5 Days Mar 21, 2026