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Canada Canada · Pinawa, MB · 50.149, -95.881 (approximate location)

SDR SLOWPOKE Demo Reactor

SDR SLOWPOKE Demo Reactor, a research reactor (other) in Pinawa, MB, Canada, with 2 MW of thermal power, operated by Whiteshell Laboratories. Decommissioned, first critical in 1987.

It was one of the 18 research reactors Canada has had; 4 remain in operation today. It went critical 42 years after the first research reactor in Canada, ZEEP (1945).

Country
Canada
City
Pinawa, MB
Type
Other
Thermal power
2 MW
Operator
Whiteshell Laboratories
Status
Decommissioned
First criticality
1987

Data: IAEA RRDB · updated on Sep 3, 2026

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