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

ENTC LWSCR

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

It is one of the 4 research reactors operating in Iran, the only zero-power assembly among them. It went critical 25 years after the first research reactor in Iran, Tehran Research Reactor (TRR) (1967). It is one of 20 subcritical assemblies operating worldwide, spread across 13 countries. Its declared uses include teaching and training.

Country
Iran
City
Isfahan
Type
Subcritical assembly
Thermal power
critical
Operator
Esfahan Nuclear Technology Centre
Status
Operating
First criticality
1992
Purpose
Teaching, training

Data: IAEA RRDB · updated on Sep 3, 2026

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