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South Korea South Korea · Seoul · 37.560, 126.990 (approximate location)

KRR-2

KRR-2, a research reactor (tRIGA) in Seoul, South Korea, with 2 MW of thermal power, operated by Korea Atomic Energy Research Institute (KAERI). Decommissioned, first critical in 1972.

It was one of the 4 research reactors South Korea has had; 2 remain in operation today. It went critical 10 years after the first research reactor in South Korea, KRR-1 (1962). 36 TRIGA reactors remain in operation today across 17 countries. It is one of 65 research reactors in 20 countries that General Atomics designed or built.

Country
South Korea
City
Seoul
Type
TRIGA
Thermal power
2 MW
Operator
Korea Atomic Energy Research Institute (KAERI)
Design and construction
Designed by General Atomics
Status
Decommissioned
First criticality
1972

Data: IAEA RRDB · updated on Sep 3, 2026

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