HWRR-II
HWRR-II, a research reactor (heavy water) in Beijing, China, with 15 MW of thermal power, operated by Department of Reactor Engineering & Technology. Shut down, first critical in 1958.
It was one of the 22 research reactors China has had; 18 remain in operation today. It was the first research reactor in China to go critical. 10 heavy-water research reactors remain in operation today across 7 countries. Its declared uses include isotope production, transmutation, activation analysis and nuclear data measurements.
- Country
- China
- City
- Beijing
- Type
- Heavy water
- Thermal power
- 15 MW
- Operator
- Department of Reactor Engineering & Technology
- Status
- Shut down
- First criticality
- 1958
- Purpose
- Isotope production, transmutation, activation analysis, nuclear data, materials testing
See also: every research reactor in China · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026