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IRT-2000

IRT-2000, a research reactor (tank) in Moscow, Russia, with 2 MW of thermal power, operated by Kurchatov Institute of Atomic Energy. Decommissioned, first critical in 1957.

It was one of the 123 research reactors Russia has had; 57 remain in operation today. It went critical 11 years after the first research reactor in Russia, F-1 (1946). 36 tank-type reactors remain in operation today across 23 countries. Its declared uses include isotope production, neutron scattering, neutron radiography and nuclear data measurements.

Country
Russia
City
Moscow
Type
Tank
Thermal power
2 MW
Operator
Kurchatov Institute of Atomic Energy
Status
Decommissioned
First criticality
1957
Purpose
Isotope production, neutron scattering, neutron radiography, nuclear data

Data: IAEA RRDB · updated on Sep 3, 2026

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