Fleet by NRC Region · updated daily
Regions
The U.S. nuclear fleet across the NRC's four regulatory regions. As of Sep 18, 2026 · Updated every morning from the NRC Daily Power Reactor Status Report.
Online Now
6,068 MW
84.0% of 7,226 MW installed
Fleet Availability
84.0%
nuclear generating ÷ installed
Units in Outage
1
at a full outage (0% power)
Units Derated
0
running below 98% power
Region II
Southeast
Atlanta, GA
84.0%
availability
6,068 MW
online of 7,226
1,158 MW
offline
7 units:
6 at power
1 in outage
Top markets
Duke Carolinas 7,226 MW
Region Summary
| Region | Coverage | Units | Capacity | Online | Availability | MW Offline | Offline / Derated | Top markets |
|---|---|---|---|---|---|---|---|---|
| Region II | Southeast | 7 | 7,226 | 6,068 | 84.0% | 1,158 | 1 / 0 | Duke Carolinas |
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, 6,068 MW online) | ||||||
| McGuire 1 | Duke Carolinas | NC | 0.0% | 1,158 | 1,158 | Outage |
| Catawba 1 | Duke Carolinas | SC | 100.0% | 1,160 | — | At power |
| McGuire 2 | Duke Carolinas | NC | 100.0% | 1,158 | — | At power |
| Catawba 2 | Duke Carolinas | SC | 100.0% | 1,150 | — | At power |
| Oconee 3 | Duke Carolinas | SC | 100.0% | 873 | — | At power |
| Oconee 2 | Duke Carolinas | SC | 100.0% | 865 | — | At power |
| Oconee 1 | Duke Carolinas | SC | 100.0% | 862 | — | At power |