Fleet by NRC Region · updated daily

Regions

The U.S. nuclear fleet across the NRC's four regulatory regions. As of Sep 15, 2026 · Updated every morning from the NRC Daily Power Reactor Status Report.

Southeast

Atlanta, GA

86.8%

availability

23,507 MW

online of 27,080

3,573 MW

offline

26 units: 22 at power 1 derated 3 in outage

Top markets

TVA 8,181 MW Southern 8,080 MW Duke Carolinas 7,226 MW

Region Summary

Region	Coverage	Units	Capacity	Online	Availability	MW Offline	Offline / Derated	Top markets
Region II	Southeast	26	27,080	23,507	86.8%	3,573	3 / 1	TVASouthernDuke 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 (26 units, 23,507 MW online)
Browns Ferry 1	TVA	AL	0.0%	1,227	1,227	Outage
McGuire 1	Duke Carolinas	NC	0.0%	1,158	1,158	Outage
Vogtle 2	Southern	GA	0.0%	1,152	1,152	Outage
Hatch 2	Southern	GA	96.0%	883	35	Derated
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	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
Vogtle 1	Southern	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	GA	100.0%	1,114	—	At power
Vogtle 4	Southern	GA	100.0%	1,114	—	At power
Harris 1	Duke Progress	NC	100.0%	964	—	At power
Brunswick 1	Duke Progress	NC	100.0%	938	—	At power
Brunswick 2	Duke Progress	NC	100.0%	932	—	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
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
Robinson 2	Duke Progress	SC	100.0%	759	—	At power

Ontario (IESO) separate fleet

Ontario detail

MW Offline

3,632 MW

29.9% of the Ontario fleet

Units Offline

4 of 16

Bruce, Darlington, Pickering

Delivering

8,528 MW

of 12,160 MW installed

Resolution

1 hour

vs. once-daily for the U.S. fleet

Ontario is not an NRC region, so it sits outside the table above. Ontario is reported as a separate fleet and is never added into the U.S. national figures above. IESO grid-operator market data (MW delivered), not NRC percent-power.