Oconee — Plant Summary
- EIA Plant ID
- 3265
- Capacity
- 2666.7 MW
- Primary Fuel
- Nuclear
- Technology
- Nuclear
- Status
- Operating
- Location
- Oconee, SC
- Operating Since
- 1973
- Generators
- 3
- Operator
- Duke Energy Carolinas, LLC
- Parent Company
- Duke Energy
- Annual Generation
- 22,420,221 MWh
- Capacity Factor
- 95.9%
- Balancing Authority
- Duke Energy Carolinas
- ISO/RTO
- —
- NERC Region
- SERC
Oconee
OperatingNuclear
Ranked #1 of 4 Nuclear plants in SC#7 of 57 nationally
2666.7 MW Nuclear operating in Oconee, SC — Duke Energy Carolinas
EIAGEMWD
2,666.7 MW
Nameplate Capacity
3
Generators
units
Nuclear
Technology
1973
Operating Since
Location
Coordinates
34.7939, -82.8986
County
Oconee, SC
Nearby Plants
- KeoweeHydro157.6 MW · 1.1 km
- Seneca City ofDistillate Oil10 MW · 12.8 km
- Central Energy FacilityNatural Gas5.5 MW · 13.8 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Duke Energy Carolinas, LLC | Duke Energy | Duke Energy |
| Owner(s) | Duke Energy Carolinas, LLC | Duke Energy | — |
| Status | Operating | operating | — |
Ownership Chain
About
The Oconee Nuclear Station is a nuclear power station located on Lake Keowee near Seneca, South Carolina, and has a power output capacity of over 2,500 megawatts. It is the second nuclear power station in the United States to have its operating license extended for an additional twenty years by the Nuclear Regulatory Commission (NRC).
Read more on WikipediaOconee Nuclear Station is a 2666.7 MW nuclear power plant located in Oconee County, South Carolina. The plant, which began operating in 1973, is owned and operated by Duke Energy Carolinas, LLC, a subsidiary of Duke Energy. It consists of three nuclear generators and is the largest of four power plants in South Carolina, and the sixth-largest of 55 nuclear plants nationally. The plant operates within the Duke Energy Carolinas balancing authority, in the SERC NERC region.
In the most recent year of record, Oconee generated 22,420,221 MWh of electricity, achieving a capacity factor of 95.9%. Financial data indicates an installed cost of $1380.6 per kW. The plant has a power purchase agreement (PPA) price of $25 per MWh. Financial information is sourced from FERC and FERC EQRs.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
SERC
Balancing Authority
Duke Energy Carolinas
Grid Voltage
500 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
2.0M MWh
Latest Month
22.4M MWh
Annual Generation
95.9%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: FERC Form 1, FERC Electric Quarterly ReportsHIGH
$25.0/MWh
PPA Price
Duke Energy Carolinas, LLC
Contract Seller
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Regulatory·permitting
Duke Energy Progress, LLC, Duke Energy Carolinas, LLC; Notice of Application of Transfer of License and Soliciting Comments, Motions To Intervene, and Protests
Federal Register (FERC)·1 weeks ago
Regulatory·permitting
Duke Energy Progress, LLC; Duke Energy Carolinas, LLC; Notice of Application of Transfer of License and Soliciting Comments, Motions To Intervene, and Protests
Federal Register (FERC)·1 weeks ago
Regulatory·permitting
Duke Energy Progress, LLC; Duke Energy Carolinas, LLC; Notice of Application of Transfer of License and Soliciting Comments, Motions To Intervene, and Protests
Federal Register (FERC)·1 weeks ago
Regulatory·permitting
Duke Energy Progress, LLC; Duke Energy Carolinas, LLC; Notice of Application of Transfer of License and Soliciting Comments, Motions To Intervene, and Protests
Federal Register (FERC)·1 weeks ago
Last updated 2026-03-25
View all 10 articles