Canada Canada · Toronto, ON · 43.653, -79.382 (approximate location)

SLOWPOKE-2, Toronto

SLOWPOKE-2, Toronto, a research reactor (tank) in Toronto, ON, Canada, with 20 kW of thermal power, operated by University of Toronto. Decommissioned, first critical in 1971.

It was one of the 18 research reactors Canada has had; 4 remain in operation today. It went critical 26 years after the first research reactor in Canada, ZEEP (1945). 36 tank-type reactors remain in operation today across 23 countries.

Country
Canada
City
Toronto, ON
Type
Tank
Thermal power
20 kW
Operator
University of Toronto
Status
Decommissioned
First criticality
1971

Data: IAEA RRDB · updated on Sep 3, 2026

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