ES
Spain Spain · Bilbao · 43.257, -2.924 (approximate location)

ARBI Reactor

ARBI Reactor, a research reactor (other) in Bilbao, Spain, with 10 kW of thermal power, operated by Escuela de Ingeniería de Bilbao. Decommissioned, first critical in 1962.

It was one of the 4 research reactors Spain has had; 0 remain in operation today. It went critical 4 years after the first research reactor in Spain, JEN-1 Mod (1958).

Country
Spain
City
Bilbao
Type
Other
Thermal power
10 kW
Operator
Escuela de Ingeniería de Bilbao
Status
Decommissioned
First criticality
1962

Data: IAEA RRDB · updated on Sep 3, 2026

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