Largest nuclear power plants in ERCOT

Nuclear power plants ranked by EIA-reported nameplate capacity. Rankings use EIA-anchored plant records in ERCOT.

Plants: 2
EIA nameplate capacity: 5.1 GW
Largest: 2,708.6 MW

Nuclear capacity ranking

2 matching plants·ranked by nameplate capacity

Rank	Plant	Capacity	Type	Operator	Location
1	South Texas ProjectSTP Nuclear Operating CoDetailed profile	2,708.6 MW	Nuclear	STP Nuclear Operating Co	Matagorda County
2	Comanche PeakLuminant Generation Company LLCDetailed profile	2,430 MW	Nuclear	Luminant Generation Company LLC	Somervell County

Capacity is EIA-reported nameplate capacity, not seasonal capability or available operating capacity. A plant can include multiple generators and technologies; hybrid plants may appear in multiple peer groups.