?
Number of nuclear facilities with community ratings from NukeWorker members. Bayesian scoring accounts for vote count.
97
Facilities Rated
community ratings
?
Fleet-wide average capacity factor — total generation divided by total installed capacity across all reporting units.
91.4%
Fleet Capacity Factor
2025
?
Average duration of scheduled refueling outages across the fleet over the last 5 years.
49.2
Avg Outage Duration
days (5-yr avg)
?
Total confirmed reactor scrams (automatic + manual trips) reported to the NRC so far this calendar year.
6
YTD Scrams
2026
?
Fleet average breaker-to-breaker run length — the typical number of continuous operating days between scheduled outages.
576
Avg B2B Streak
days
?
Fleet average forced (unplanned) outage days per unit over the last 5 years. Calculated as total zero-power days minus scheduled outage days.
29
Avg Forced Outage
days (5-yr, per unit)
Fleet Quartile Highlights
Facility Rankings
Bayesian-scored community ratings from NukeWorker members. Higher is better — scores account for vote count, pulling low-data facilities toward the fleet average.
Top Quartile
- 1Diablo Canyon 179.5
- 2Comanche Peak 171.9
- 3Ginna69.2
- 4Susquehanna 266.9
- 5Callaway66.8
Bottom Quartile
- 93Indian Point 237.5
- 94River Bend 136.6
- 95Turkey Point 433.9
- 96Dresden 232.7
- 97Perry 132.1
Capacity Factor
Per-unit average capacity factor over the last 2 years. Higher is better — top quartile units consistently run above 90%.
Top Quartile
- 1Point Beach 198%
- 2Byron 297.9%
- 3Oconee 197.9%
- 4Braidwood 297.9%
- 5Limerick 297.4%
Bottom Quartile
- 91Hatch 177.1%
- 92Summer75.3%
- 93Turkey Point 374.1%
- 94Sequoyah 268.2%
- 95PalisadesN/A
Outage Duration
Per-unit average scheduled outage duration over the last 5 years. Shorter is better — top quartile units complete refueling outages faster.
Top Quartile
- 1Limerick 112.7 days
- 2Peach Bottom 213.5 days
- 3Ginna14.3 days
- 4Limerick 214.3 days
- 5Peach Bottom 314.7 days
Bottom Quartile
- 90Prairie Island 268.7 days
- 91Prairie Island 171 days
- 92Waterford 376 days
- 93Sequoyah 289.5 days
- 94Vogtle 4107 days
Scram Performance
Per-unit scram count over the last 5 years. Fewer is better — top quartile units have the fewest unplanned reactor trips.
Top Quartile
- 1Brunswick 11 scrams
- 2Dresden 31 scrams
- 3Davis-Besse1 scrams
- 4Dresden 21 scrams
- 5Robinson 21 scrams
Bottom Quartile
- 72Turkey Point 36 scrams
- 73Watts Bar 26 scrams
- 74River Bend 16 scrams
- 75Vogtle 37 scrams
- 76Calvert Cliffs 28 scrams
B2B Streak Length
Per-unit average breaker-to-breaker continuous operating days. Longer is better — top quartile units run the longest between outages.
Top Quartile
- 1Dresden 3715 days
- 2LaSalle 1714 days
- 3Peach Bottom 3711 days
- 4Peach Bottom 2710 days
- 5Brunswick 1708 days
Bottom Quartile
- 93Kewaunee485 days
- 94Sequoyah 2483 days
- 95D.C. Cook 2479 days
- 96Callaway467 days
- 97Crystal River 3412 days
Forced Outage Days
Unplanned outage days per unit over the last 5 years. Calculated as total zero-power days minus scheduled outage days. Fewer is better.
Top Quartile
- 1Oconee 12 days
- 2Peach Bottom 33 days
- 3Nine Mile Point 13 days
- 4FitzPatrick3 days
- 5Byron 23 days
Bottom Quartile
- 90Prairie Island 1108 days
- 91Grand Gulf 1119 days
- 92Watts Bar 1126 days
- 93Vogtle 3218 days
- 94Callaway252 days
Detailed Dashboards
Bayesian-ranked community ratings for every U.S. nuclear plant. Sortable table with quartile badges, vote counts, and inline voting. Active and decommissioned facilities separated.
Facility Rankings
Bayesian-scored community ratings
Daily fleet generation and capacity factor with interactive charts. Filter by plant, owner, region, or reactor type. Includes seasonal trends, year-over-year comparison, and per-unit rankings.
Grid Capacity
Daily generation & capacity factor
Scheduled refueling outage analytics with duration trends, spring vs fall comparisons, and per-unit rankings. Filter by plant, owner, or reactor type. Includes outage duration charts and prediction accuracy.
Outage Statistics
Refueling duration & seasonal trends
Every NRC-reported reactor scram since 2011. Automatic vs manual breakdown, PWR vs BWR trends, recovery time analysis, and interactive map. Filter by plant, owner, or event type.
Scram Dashboard
Trip events & recovery times
Registry of every qualifying breaker-to-breaker run (470+ days continuous operation). Active streak leaderboard, per-owner analysis, and year-over-year B2B run trends.
B2B Registry
Continuous operation records
Historical reference data: construction permit and operating license milestones, fastest and slowest construction timelines, thermal efficiency rankings, containment type distribution, and fleet capacity factor trends.
Reference Data
Lifecycle, construction, efficiency
Page created in 0.018 seconds with 12 queries.