Oconee
Nuclear power plant · Oconee County, South Carolina
Details
- Primary fuel
- Nuclear
- Technology
- Nuclear
- Operator
- Duke Energy Carolinas, LLC
- County
- Oconee County
- Generating units
- 3
- Share of state capacity
- 9.79%
- Rank among nuclear plants in South Carolina
- #1 of 4
- EIA plant code
- 3265
Generating units
| Unit | Technology | Nameplate | Summer | Online | Status |
|---|---|---|---|---|---|
| 3 | Nuclear | 893 MW | 873 MW | 1974 | Operating |
| 1 | Nuclear | 887 MW | 862 MW | 1973 | Operating |
| 2 | Nuclear | 887 MW | 865 MW | 1974 | Operating |
Nameplate is the maximum rated output; summer capacity is what the unit can reliably deliver on a hot day, which is typically lower.
Similarly sized plants in South Carolina
About this data
From EIA’s inventory of operable generators, May 2026 release. Capacity is nameplate — the maximum rated output of the equipment, not what the plant actually generates over a year, which depends on how often it runs. A 2,667 MW solar plant and a 2,667 MW nuclear plant have the same entry here and produce very different amounts of electricity.
“In service since” is the earliest in-service date among the units still listed, so a site rebuilt around newer equipment can read as younger than the site itself. All South Carolina power plants · What South Carolina actually generates