Koeberg
Reactor Data
Reactor Units
Every power reactor at this site as listed in the IAEA Power Reactor Information System (PRIS): reactor type and model, net electrical capacity, grid connection and commercial operation dates, and current status.
2 units: 2 operational.
Net capacity in service: 1,854 MWe.
| Unit | Type | Model | Net MWe | Construction | Grid | Commercial Op | Shutdown | Status |
|---|---|---|---|---|---|---|---|---|
| Koeberg 1 | PWR | CP1 | 924 | 1976-07-01 | 1984-04-04 | 1984-07-21 | Operational | |
| Koeberg 2 | PWR | CP1 | 930 | 1976-07-01 | 1985-07-25 | 1985-11-09 | Operational |
Capacity, milestones and suppliers
| Unit | Design MWe | Gross MWe | Thermal MWt | First Criticality | Reactor Supplier | Turbine Supplier | Notes |
|---|---|---|---|---|---|---|---|
| Koeberg 1 | 921 | 964 | 2,775 | 1984-03-14 | FRAMATOME | ALSTHOM ATLANTIQUE | |
| Koeberg 2 | 921 | 970 | 2,775 | 1985-07-07 | FRAMATOME | ALSTHOM ATLANTIQUE |
Lifetime performance, through 2025
| Unit | Electricity Supplied | Load Factor | Energy Availability | Operating Factor |
|---|---|---|---|---|
| Koeberg 1 | 234.2 TWh | 70.1% | 71.7% | 75.8% |
| Koeberg 2 | 231.9 TWh | 71.6% | 72.4% | 77.7% |
Operator: ESKOM
Owner: ESKOM
Source: IAEA Power Reactor Information System (PRIS), as of 2026-11-02.
Working Here
Per Diem Rates FY 2026
Per diem covers lodging and meals & incidental expenses (M&IE) for government and contractor travel near this facility. Rates are from the U.S. State Department foreign per diem tables for FY 2026.
$109
Lodging/Night
$61
M&IE/Day
$170
Total/Day
South Africa: rate for locations the State Department does not list separately
U.S. Department of State foreign per diem, for U.S. government and contractor travel.
Photos
Photos of this facility from the NukeWorker photo gallery. Click the header or any photo to browse the full album.
Facility Map
Interactive satellite map showing the facility's geographic location. Marker color indicates current status: green for online, red for offline, orange for reduced power. Click the header to open in Google Maps satellite view.
-33.6764, 18.4326
Location & Contact
Physical address, phone number, and website for this facility. Use the directions link to get driving directions via Google Maps.
Plant Facts
About This Site
Written by NukeWorker from public records: facts that do not change. Operator, status and capacity come from the live data elsewhere on this page. Sources: Wikipedia: Koeberg Nuclear Power Station; IAEA PRIS: South Africa.
The Koeberg nuclear power station is on the west coast of South Africa, about 30 km north of Cape Town in the Western Cape, near Melkbosstrand. It has two pressurized water reactors based on a Framatome design.
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Construction began in 1976. On December 17, 1982, four limpet mines damaged the site before any fuel was loaded, and Umkhonto we Sizwe claimed responsibility. Commissioning was delayed by nearly 18 months. Unit 1 was connected to the grid on April 4, 1984, and Unit 2 on July 25, 1985.