Preliminary 2025 facility recordOperating

Wadsworth, TX · EIA plant 6251

South Texas Project

South Texas Project is a nuclear power facility in Wadsworth, TX, with 2,709 MW of operating capacity.

Operating capacity2,709 MW2 operating generators
Proposed capacity0 MW0 proposed generators
UtilitySTP Nuclear Operating CoEIA-reported operator
Balancing authorityERCOElectric Reliability Council of Texas, Inc.

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Nuclear2,709 MW
ProposedNo proposed capacity reported
Reported technologiesNuclear

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source