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Canada Canada · Chalk River, ON · 46.017, -77.450

ZED-2

ZED-2, a research reactor (tank) in Chalk River, ON, Canada, with 200 W of thermal power, operated by Chalk River Laboratories. Operating, first critical in 1960.

By thermal power it ranks fourth among the 4 research reactors operating in Canada. It went critical 15 years after the first research reactor in Canada, ZEEP (1945). It is one of 36 tank-type reactors operating worldwide, spread across 23 countries. Its declared uses include materials testing.

Country
Canada
City
Chalk River, ON
Type
Tank
Thermal power
200 W
Operator
Chalk River Laboratories
Status
Operating
First criticality
1960
Purpose
Materials testing

Data: IAEA RRDB · updated on Sep 3, 2026

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