Japan · Tokyo · 35.690, 139.692 (approximate location)

HTR

HTR, a research reactor (pool) in Tokyo, Japan, with 100 kW of thermal power, operated by Hitachi Nuclear Eng. Co. Ltd.. Shut down, first critical in 1961.

It was one of the 27 research reactors Japan has had; 9 remain in operation today. It went critical 4 years after the first research reactor in Japan, JRR-1 (1957). 48 pool-type reactors remain in operation today across 28 countries. Its declared uses include training.

Country

Japan

City

Tokyo

Type

Pool

Thermal power

100 kW

Operator

Hitachi Nuclear Eng. Co. Ltd.

Status

Shut down

First criticality

1961

Purpose

Training

See also: every research reactor in Japan · How research reactors work