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Germany Germany · Karlstein am Main · 50.046, 9.023

AEG Nullenergie Reaktor

AEG Nullenergie Reaktor, a research reactor (tank) in Karlstein am Main, Germany, with 100 W of thermal power, operated by Kraftwerk Union. Decommissioned, first critical in 1967.

It was one of the 45 research reactors Germany has had; 6 remain in operation today. It went critical 10 years after the first research reactor in Germany, FRM (1957). 36 tank-type reactors remain in operation today across 23 countries.

Country
Germany
City
Karlstein am Main
Type
Tank
Thermal power
100 W
Operator
Kraftwerk Union
Status
Decommissioned
First criticality
1967
Purpose
Zero-power reactor for training and reactor physics experiments

Data: IAEA RRDB · updated on Sep 3, 2026

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