United Kingdom · Didcot · 51.606, -1.241

ZEPHYR

ZEPHYR, a research reactor (critical assembly) in Didcot, United Kingdom, with 2 W of thermal power, operated by Atomic Energy Research Establishment. Decommissioned, first critical in 1954.

It was one of the 46 research reactors the United Kingdom has had; 1 remains in operation today. It went critical 7 years after the first research reactor in the United Kingdom, GLEEP (1947). 44 critical assemblies remain in operation today across 12 countries. Its declared uses include materials testing.

Country

United Kingdom

City

Didcot

Type

Critical assembly

Thermal power

2 W

Operator

Atomic Energy Research Establishment

Status

Decommissioned

First criticality

1954

Purpose

Materials testing

See also: every research reactor in United Kingdom · How research reactors work