Fleet by NRC Region · updated daily
Regions
The U.S. nuclear fleet across the NRC's four regulatory regions. As of Sep 16, 2026 · Updated every morning from the NRC Daily Power Reactor Status Report.
Online Now
15,664 MW
88.9% of 17,614 MW installed
Fleet Availability
88.9%
nuclear generating ÷ installed
Units in Outage
1
at a full outage (0% power)
Units Derated
4
running below 98% power
Region II
Southeast
Atlanta, GA
84.4%
availability
9,902 MW
online of 11,729
1,827 MW
offline
12 units:
8 at power
3 derated 1 in outage
Top markets
Southern 8,080 MW
FPL 3,649 MW
Region IV
West / South-Central
Arlington, TX
97.9%
availability
5,762 MW
online of 5,885
123 MW
offline
5 units:
4 at power
1 derated
Top markets
SRP 3,937 MW
SPP 1,948 MW
Region Summary
| Region | Coverage | Units | Capacity | Online | Availability | MW Offline | Offline / Derated | Top markets |
|---|---|---|---|---|---|---|---|---|
| Region II | Southeast | 12 | 11,729 | 9,902 | 84.4% | 1,827 | 1 / 3 | SouthernFPL |
| Region IV | West / South-Central | 5 | 5,885 | 5,762 | 97.9% | 123 | 0 / 1 | SRPSPP |
NRC regions are administrative areas of the U.S. Nuclear Regulatory Commission, derived here from each plant's state. Availability = generating MW ÷ installed MW.
Fleet by Region
Every reporting unit, grouped by region, biggest supply loss first| Unit | Market | State | Power | Capacity | MW offline | Status |
|---|---|---|---|---|---|---|
| Region II · Southeast (12 units, 9,902 MW online) | ||||||
| Vogtle 2 | Southern | GA | 0.0% | 1,152 | 1,152 | Outage |
| Vogtle 3 | Southern | GA | 60.0% | 1,114 | 446 | Derated |
| Hatch 2 | Southern | GA | 83.0% | 883 | 150 | Derated |
| Saint Lucie 2 | FPL | FL | 92.0% | 987 | 79 | Derated |
| Vogtle 1 | Southern | GA | 100.0% | 1,150 | — | At power |
| Vogtle 4 | Southern | GA | 100.0% | 1,114 | — | At power |
| Saint Lucie 1 | FPL | FL | 100.0% | 981 | — | At power |
| Farley 2 | Southern | AL | 100.0% | 896 | — | At power |
| Farley 1 | Southern | AL | 100.0% | 895 | — | At power |
| Hatch 1 | Southern | GA | 100.0% | 876 | — | At power |
| Turkey Point 4 | FPL | FL | 100.0% | 844 | — | At power |
| Turkey Point 3 | FPL | FL | 100.0% | 837 | — | At power |
| Region IV · West / South-Central (5 units, 5,762 MW online) | ||||||
| Cooper | SPP | NE | 84.0% | 772 | 123 | Derated |
| Palo Verde 2 | SRP | AZ | 100.0% | 1,314 | — | At power |
| Palo Verde 3 | SRP | AZ | 100.0% | 1,312 | — | At power |
| Palo Verde 1 | SRP | AZ | 100.0% | 1,311 | — | At power |
| Wolf Creek 1 | SPP | KS | 100.0% | 1,177 | — | At power |