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China China · Chengdu · 30.660, 104.063 (approximate location)

HFETR Critical

HFETR Critical, a research reactor (critical assembly) in Chengdu, China, operated by Nuclear Power Institute of China. Operating, first critical in 1979.

It is one of the 18 research reactors operating in China, one of 2 zero-power assemblies among them. It went critical 21 years after the first research reactor in China, HWRR-II (1958). It is one of 44 critical assemblies operating worldwide, spread across 12 countries. Its declared uses include nuclear data measurements.

Country
China
City
Chengdu
Type
Critical assembly
Thermal power
critical
Operator
Nuclear Power Institute of China
Status
Operating
First criticality
1979
Purpose
Nuclear data

Data: IAEA RRDB · updated on Sep 3, 2026

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