Switzerland Switzerland · Geneva · 46.202, 6.147

AGN-201P

AGN-201P, a research reactor (homogeneous) in Geneva, Switzerland, operated by Department of Nuclear Physics. Decommissioned, first critical in 1958.

It was one of the 6 research reactors Switzerland has had; 1 remains in operation today. It went critical 1 year after the first research reactor in Switzerland, SAPHIR (1957). 15 homogeneous reactors remain in operation today across 6 countries.

Country
Switzerland
City
Geneva
Type
Homogeneous
Thermal power
critical
Operator
Department of Nuclear Physics
Status
Decommissioned
First criticality
1958

Data: IAEA RRDB · updated on Sep 3, 2026

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