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

ENTC HWZPR

ENTC HWZPR, a research reactor (critical assembly) in Isfahan, Iran, with 100 W of thermal power, operated by Esfahan Nuclear Technology Centre. Operating, first critical in 1995.

By thermal power it ranks third among the 4 research reactors operating in Iran. It went critical 28 years after the first research reactor in Iran, Tehran Research Reactor (TRR) (1967). It is one of 44 critical assemblies operating worldwide, spread across 12 countries. Its declared uses include teaching and training.

Country
Iran
City
Isfahan
Type
Critical assembly
Thermal power
100 W
Operator
Esfahan Nuclear Technology Centre
Status
Operating
First criticality
1995
Purpose
Teaching, training

Data: IAEA RRDB · updated on Sep 3, 2026

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