Canada · Chalk River · 46.052, -77.364

NRX

NRX, a research reactor (heavy water) in Chalk River, Canada, with 42 MW of thermal power, operated by Chalk River Laboratories. Shut down, first critical in 1947.

It was one of the 18 research reactors Canada has had; 4 remain in operation today. It went critical 2 years after the first research reactor in Canada, ZEEP (1945). 10 heavy-water research reactors remain in operation today across 7 countries.

Country

Canada

City

Chalk River

Type

Heavy water

Thermal power

42 MW

Operator

Chalk River Laboratories

Status

Shut down

First criticality

1947

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