ES
Denmark Denmark · Roskilde · 55.650, 12.083

DR-1

DR-1, a research reactor (homogeneous) in Roskilde, Denmark, with 2 kW of thermal power, operated by RISOE National Laboratory for Sustainable Energy. Decommissioned, first critical in 1957.

It was one of the 3 research reactors Denmark has had; 0 remain in operation today. It was the first research reactor in Denmark to go critical. 15 homogeneous reactors remain in operation today across 6 countries. Its declared uses include teaching and training.

Country
Denmark
City
Roskilde
Type
Homogeneous
Thermal power
2 kW
Operator
RISOE National Laboratory for Sustainable Energy
Status
Decommissioned
First criticality
1957
Purpose
Teaching, training

Data: IAEA RRDB · updated on Sep 3, 2026

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