Koeberg
Koeberg, nuclear power plant in South Africa, operates 2 pressurized water reactors with 1,854 MW net installed capacity and has been in service since 1984.
Unit Koeberg 1 has been operating for 42 years, since 1984. Its 1,854 MW net are enough to supply about 5,840,000 households.
- Country
- South Africa
- Units
- 2
- Technology
- PWR
- Net capacity
- 1,854 MWe
- First grid connection
- 1984
- Operator
- Eskom
- Owner
- Eskom
- Status
- Operating
See also: alerts for this plant · every plant in South Africa · Vendor: Framatome · every PWR reactor · how a PWR works

Units
| Unit | Type | Model | Status | MWe | MWt | Construction start | Grid connection | Closure | Load factor |
|---|---|---|---|---|---|---|---|---|---|
| Koeberg 1 | Pressurized water (PWR) | Framatome CP1 (CP1) | Operating | 924 | 2,775 | Jul 1, 1976 | Apr 4, 1984 | — | 96.5 % (2024) |
| Koeberg 2 | Pressurized water (PWR) | Framatome CP1 (CP1) | Operating | 930 | 2,775 | Jul 1, 1976 | Jul 25, 1985 | — | 0.0 % (2024) |
Data: IAEA PRIS · Wikipedia · updated on Sep 17, 2026
Koeberg 1, a 924 MWe PWR (Framatome CP1 (CP1)), started construction in 1976, was connected to the grid in 1984 and is still operating, with a 96.5% load factor in 2024.
Koeberg 2, a 930 MWe PWR (Framatome CP1 (CP1)), started construction in 1976, was connected to the grid in 1985 and is still operating, with a 0% load factor in 2024.
Operator: Eskom.