Iran Iran · Isfahan · 32.665, 51.670 (approximate location)

ENTC GSCR

ENTC GSCR, a research reactor (subcritical assembly) in Isfahan, Iran, operated by Esfahan Nuclear Technology Centre. Decommissioned, first critical in 1992.

It was one of the 5 research reactors Iran has had; 4 remain in operation today. It went critical 25 years after the first research reactor in Iran, Tehran Research Reactor (TRR) (1967). 20 subcritical assemblies remain in operation today across 13 countries.

Country
Iran
City
Isfahan
Type
Subcritical assembly
Thermal power
critical
Operator
Esfahan Nuclear Technology Centre
Status
Decommissioned
First criticality
1992

Data: IAEA RRDB · updated on Sep 3, 2026

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