South Africa South Africa · Pretoria · -25.800, 27.950

SAFARI-1

SAFARI-1, a research reactor (tank) in Pretoria, South Africa, with 20 MW of thermal power, operated by South African Nuclear Energy Corporation (NECSA). Operating, first critical in 1965.

It is the only research reactor operating in South Africa today; the country has shut down one other. It was the first research reactor in South Africa to go critical and is still operating 61 years later. It is one of 36 tank-type reactors operating worldwide, spread across 23 countries. Its declared uses include isotope production, neutron scattering, neutron radiography and silicon doping.

Country
South Africa
City
Pretoria
Type
Tank
Thermal power
20 MW
Operator
South African Nuclear Energy Corporation (NECSA)
Status
Operating
First criticality
1965
Purpose
Isotope production, neutron scattering, neutron radiography, silicon doping, transmutation, teaching, training, activation analysis, geochronology

Data: IAEA RRDB · updated on Sep 3, 2026

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