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
12,715 MW
90.4% of 14,066 MW installed
Fleet Availability
90.4%
nuclear generating ÷ installed
Units in Outage
1
at a full outage (0% power)
Units Derated
1
running below 98% power
Region II
Southeast
Atlanta, GA
85.0%
availability
6,953 MW
online of 8,181
1,227 MW
offline
7 units:
6 at power
1 in outage
Top markets
TVA 8,181 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 | 7 | 8,181 | 6,953 | 85.0% | 1,227 | 1 / 0 | TVA |
| 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 (7 units, 6,953 MW online) | ||||||
| Browns Ferry 1 | TVA | AL | 0.0% | 1,227 | 1,227 | Outage |
| Browns Ferry 3 | TVA | AL | 100.0% | 1,227 | — | At power |
| Browns Ferry 2 | TVA | AL | 100.0% | 1,208 | — | At power |
| Sequoyah 1 | TVA | TN | 100.0% | 1,148 | — | At power |
| Sequoyah 2 | TVA | TN | 100.0% | 1,126 | — | At power |
| Watts Bar 1 | TVA | TN | 100.0% | 1,123 | — | At power |
| Watts Bar 2 | TVA | TN | 100.0% | 1,122 | — | 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 |