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Austria Austria · Vienna · 47.959, 16.516

ASTRA

ASTRA, a research reactor (pool) in Vienna, Austria, with 10 MW of thermal power, operated by Austrian Research Centre Seibersdorf (ARCS). Decommissioned, first critical in 1960.

It was one of the 3 research reactors Austria has had; 1 remains in operation today. It was the first research reactor in Austria to go critical. 48 pool-type reactors remain in operation today across 28 countries.

Country
Austria
City
Vienna
Type
Pool
Thermal power
10 MW
Operator
Austrian Research Centre Seibersdorf (ARCS)
Status
Decommissioned
First criticality
1960

Data: IAEA RRDB · updated on Sep 3, 2026

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