France · Carhaix-Plouguer · 48.278, -3.567

EL 4

EL 4, a research reactor (heavy water) in Carhaix-Plouguer, France, with 267 MW of thermal power, operated by Electricite de France (EDF). Shut down, first critical in 1966.

It was one of the 38 research reactors France has had; 2 remain in operation today. It went critical 18 years after the first research reactor in France, ZOE (EL-1) (1948). 10 heavy-water research reactors remain in operation today across 7 countries.

Country

France

City

Carhaix-Plouguer

Type

Heavy water

Thermal power

267 MW

Operator

Electricite de France (EDF)

Status

Shut down

First criticality

1966

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