Fleet by NRC Region · live
Regions
The U.S. nuclear fleet across the NRC's four regulatory regions. As of Jun 16, 2026 · Updated every morning from the NRC Daily Power Reactor Status Report.
Online Now
96,393 MW
99.5% of 96,850 MW installed
Fleet Availability
99.5%
nuclear generating ÷ installed
Units in Outage
0
at a full outage (0% power)
Units Derated
4
running below 98% power
Region I
Northeast
King of Prussia, PA
99.4%
availability
20,848 MW
online of 20,977
128 MW
offline
20 units:
19 at power
1 derated
Top markets
PJM 14,298 MW
ISO-NE 3,352 MW
NYISO 3,326 MW
Region II
Southeast
Atlanta, GA
99.8%
availability
36,600 MW
online of 36,669
69 MW
offline
36 units:
35 at power
1 derated
Top markets
TVA 8,181 MW
Southern (SOCO) 8,080 MW
Duke Carolinas (DUK) 7,226 MW
Region III
Midwest
Lisle, IL
99.1%
availability
20,885 MW
online of 21,079
194 MW
offline
22 units:
21 at power
1 derated
Top markets
PJM 14,826 MW
MISO 6,253 MW
Region IV
West / South-Central
Arlington, TX
99.6%
availability
18,059 MW
online of 18,124
65 MW
offline
16 units:
15 at power
1 derated
Top markets
ERCOT 4,986 MW
Palo Verde / SRP 3,937 MW
MISO 3,862 MW
Region Summary
| Region | Coverage | Units | Capacity | Online | Availability | MW Offline | Offline / Derated | Top markets |
|---|---|---|---|---|---|---|---|---|
| Region I | Northeast | 20 | 20,977 | 20,848 | 99.4% | 128 | 0 / 1 | PJMISO-NENYISO |
| Region II | Southeast | 36 | 36,669 | 36,600 | 99.8% | 69 | 0 / 1 | TVASouthern (SOCO)Duke Carolinas (DUK) |
| Region III | Midwest | 22 | 21,079 | 20,885 | 99.1% | 194 | 0 / 1 | PJMMISO |
| Region IV | West / South-Central | 16 | 18,124 | 18,059 | 99.6% | 65 | 0 / 1 | ERCOTPalo Verde / SRPMISO |
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 I · Northeast (20 units, 20,848 MW online) | ||||||
| Peach Bottom 3 | PJM | PA | 90.0% | 1,285 | 128 | Derated |
| Nine Mile Point 2 | NYISO | NY | 100.0% | 1,272 | – | At power |
| Peach Bottom 2 | PJM | PA | 100.0% | 1,265 | – | At power |
| Susquehanna 1 | PJM | PA | 100.0% | 1,247 | – | At power |
| Susquehanna 2 | PJM | PA | 100.0% | 1,247 | – | At power |
| Seabrook 1 | ISO-NE | NH | 100.0% | 1,246 | – | At power |
| Millstone 3 | ISO-NE | CT | 100.0% | 1,243 | – | At power |
| Hope Creek 1 | PJM | NJ | 100.0% | 1,172 | – | At power |
| Salem 1 | PJM | NJ | 100.0% | 1,146 | – | At power |
| Salem 2 | PJM | NJ | 100.0% | 1,142 | – | At power |
| Limerick 2 | PJM | PA | 100.0% | 1,122 | – | At power |
| Limerick 1 | PJM | PA | 100.0% | 1,120 | – | At power |
| Beaver Valley 1 | PJM | PA | 100.0% | 907 | – | At power |
| Beaver Valley 2 | PJM | PA | 100.0% | 901 | – | At power |
| Calvert Cliffs 1 | PJM | MD | 100.0% | 884 | – | At power |
| Millstone 2 | ISO-NE | CT | 100.0% | 863 | – | At power |
| Calvert Cliffs 2 | PJM | MD | 100.0% | 861 | – | At power |
| FitzPatrick | NYISO | NY | 100.0% | 853 | – | At power |
| Nine Mile Point 1 | NYISO | NY | 100.0% | 621 | – | At power |
| Ginna | NYISO | NY | 100.0% | 581 | – | At power |
| Region II · Southeast (36 units, 36,600 MW online) | ||||||
| Saint Lucie 2 | Florida Power & Light (FPL) | FL | 93.0% | 987 | 69 | Derated |
| Grand Gulf 1 | MISO | MS | 100.0% | 1,397 | – | At power |
| Browns Ferry 1 | TVA | AL | 100.0% | 1,227 | – | At power |
| Browns Ferry 3 | TVA | AL | 100.0% | 1,227 | – | At power |
| Browns Ferry 2 | TVA | AL | 100.0% | 1,208 | – | At power |
| Catawba 1 | Duke Carolinas (DUK) | SC | 100.0% | 1,160 | – | At power |
| McGuire 1 | Duke Carolinas (DUK) | NC | 100.0% | 1,158 | – | At power |
| McGuire 2 | Duke Carolinas (DUK) | NC | 100.0% | 1,158 | – | At power |
| Vogtle 2 | Southern (SOCO) | GA | 100.0% | 1,152 | – | At power |
| Catawba 2 | Duke Carolinas (DUK) | SC | 100.0% | 1,150 | – | At power |
| Vogtle 1 | Southern (SOCO) | GA | 100.0% | 1,150 | – | 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 |
| Vogtle 3 | Southern (SOCO) | GA | 100.0% | 1,114 | – | At power |
| Vogtle 4 | Southern (SOCO) | GA | 100.0% | 1,114 | – | At power |
| Saint Lucie 1 | Florida Power & Light (FPL) | FL | 100.0% | 981 | – | At power |
| Summer | Dominion SC (SCEG) | SC | 100.0% | 977 | – | At power |
| Harris 1 | Duke Progress (CPLE) | NC | 100.0% | 964 | – | At power |
| North Anna 1 | PJM | VA | 100.0% | 948 | – | At power |
| North Anna 2 | PJM | VA | 100.0% | 943 | – | At power |
| Brunswick 1 | Duke Progress (CPLE) | NC | 100.0% | 938 | – | At power |
| Brunswick 2 | Duke Progress (CPLE) | NC | 100.0% | 932 | – | At power |
| Farley 2 | Southern (SOCO) | AL | 100.0% | 896 | – | At power |
| Farley 1 | Southern (SOCO) | AL | 100.0% | 895 | – | At power |
| Hatch 2 | Southern (SOCO) | GA | 100.0% | 883 | – | At power |
| Hatch 1 | Southern (SOCO) | GA | 100.0% | 876 | – | At power |
| Oconee 3 | Duke Carolinas (DUK) | SC | 100.0% | 873 | – | At power |
| Oconee 2 | Duke Carolinas (DUK) | SC | 100.0% | 865 | – | At power |
| Oconee 1 | Duke Carolinas (DUK) | SC | 100.0% | 862 | – | At power |
| Turkey Point 4 | Florida Power & Light (FPL) | FL | 100.0% | 844 | – | At power |
| Surry 1 | PJM | VA | 100.0% | 838 | – | At power |
| Surry 2 | PJM | VA | 100.0% | 838 | – | At power |
| Turkey Point 3 | Florida Power & Light (FPL) | FL | 100.0% | 837 | – | At power |
| Robinson 2 | Duke Progress (CPLE) | SC | 100.0% | 759 | – | At power |
| Region III · Midwest (22 units, 20,885 MW online) | ||||||
| Fermi 2 | MISO | MI | 83.0% | 1,141 | 194 | Derated |
| Perry 1 | PJM | OH | 100.0% | 1,240 | – | At power |
| Callaway | MISO | MO | 100.0% | 1,190 | – | At power |
| Braidwood 1 | PJM | IL | 100.0% | 1,183 | – | At power |
| D.C. Cook 2 | PJM | MI | 100.0% | 1,168 | – | At power |
| Byron 1 | PJM | IL | 100.0% | 1,164 | – | At power |
| Braidwood 2 | PJM | IL | 100.0% | 1,152 | – | At power |
| Byron 2 | PJM | IL | 100.0% | 1,136 | – | At power |
| LaSalle 2 | PJM | IL | 100.0% | 1,134 | – | At power |
| LaSalle 1 | PJM | IL | 100.0% | 1,131 | – | At power |
| Clinton | MISO | IL | 100.0% | 1,079 | – | At power |
| D.C. Cook 1 | PJM | MI | 100.0% | 1,009 | – | At power |
| Quad Cities 2 | PJM | IL | 100.0% | 911 | – | At power |
| Quad Cities 1 | PJM | IL | 100.0% | 908 | – | At power |
| Dresden 2 | PJM | IL | 100.0% | 902 | – | At power |
| Dresden 3 | PJM | IL | 100.0% | 895 | – | At power |
| Davis-Besse | PJM | OH | 100.0% | 894 | – | At power |
| Monticello | MISO | MN | 100.0% | 617 | – | At power |
| Point Beach 2 | MISO | WI | 100.0% | 597 | – | At power |
| Point Beach 1 | MISO | WI | 100.0% | 589 | – | At power |
| Prairie Island 1 | MISO | MN | 100.0% | 521 | – | At power |
| Prairie Island 2 | MISO | MN | 100.0% | 519 | – | At power |
| Region IV · West / South-Central (16 units, 18,059 MW online) | ||||||
| Waterford 3 | MISO | LA | 94.0% | 1,087 | 65 | Derated |
| Palo Verde 2 | Palo Verde / SRP | AZ | 100.0% | 1,314 | – | At power |
| Palo Verde 3 | Palo Verde / SRP | AZ | 100.0% | 1,312 | – | At power |
| Palo Verde 1 | Palo Verde / SRP | AZ | 100.0% | 1,311 | – | At power |
| South Texas 1 | ERCOT | TX | 100.0% | 1,300 | – | At power |
| South Texas 2 | ERCOT | TX | 100.0% | 1,280 | – | At power |
| Comanche Peak 1 | ERCOT | TX | 100.0% | 1,209 | – | At power |
| Comanche Peak 2 | ERCOT | TX | 100.0% | 1,197 | – | At power |
| Wolf Creek 1 | SPP | KS | 100.0% | 1,177 | – | At power |
| Columbia Generating Station | Bonneville (BPAT) | WA | 100.0% | 1,151 | – | At power |
| Diablo Canyon 1 | CAISO | CA | 100.0% | 1,122 | – | At power |
| Diablo Canyon 2 | CAISO | CA | 100.0% | 1,118 | – | At power |
| Arkansas Nuclear 2 | MISO | AR | 100.0% | 982 | – | At power |
| River Bend 1 | MISO | LA | 100.0% | 968 | – | At power |
| Arkansas Nuclear 1 | MISO | AR | 100.0% | 826 | – | At power |
| Cooper | SPP | NE | 100.0% | 772 | – | At power |