Preliminary 2025 facility recordOperating

Seneca, SC · EIA plant 3265

Oconee

Oconee is a nuclear power facility in Seneca, SC, with 2,667 MW of operating capacity.

Operating capacity2,667 MW3 operating generators
Proposed capacity0 MW0 proposed generators
UtilityDuke Energy Carolinas, LLCEIA-reported operator
Balancing authorityDUKDuke Energy Carolinas

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Nuclear2,667 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