U.S. Nuclear Fleet · National
Supply Dashboard
As of Jul 10, 2026 · Updated every morning from the NRC Daily Power Reactor Status Report.
Today's Setup
the board in one read1,334 MW of U.S. nuclear is offline (1.4% of the fleet), down 12 MW from yesterday. Henry Hub gas is $3.29/MMBtu (normal). The grid looks tight tomorrow in MISO (and 5 other ISOs) on the demand forecast, where any nuclear loss would bite hardest. Biggest 30-day swing: ISO-NE availability up 25.7 pts.
MW Offline Today
1,334 MW
▼ 12 MW returned vs. yesterday
27 below 7-day avg · 974 above a year ago
% of Fleet Offline
1.4%
1,334 of 96,850 MW installed
Generating Now
95,516 MW
98.6% of installed capacity online
Units Reporting
94
Operating reactors in the daily status report
National MW Offline
Top Outages by MW Impact
| Unit | Region | Power | MW Offline |
|---|---|---|---|
| Fermi 2 | MISO | 0% | 1,141 |
| Perry 1 | PJM | 95% | 62 |
| Hope Creek 1 | PJM | 95% | 59 |
| Saint Lucie 2 | Florida Power & Light (FPL) | 96% | 39 |
| Waterford 3 | MISO | 97% | 33 |
Next 7 Days
No outages begin in the next 7 days.
Next outage projection is part of Individual
From the published schedule where available, model projection beyond.
Seasonal Comparison
MW offline by time of year, last 4 yearsSpring and fall refueling peaks repeat every year. This is where the supply swings live.