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United States United States · Columbus, OH · 40.020, -82.971 (approximate location)

BRR Battelle Research Reactor

BRR Battelle Research Reactor, a research reactor (pool) in Columbus, OH, United States, with 2 MW of thermal power, operated by Battelle Laboratories-West Jefferson. Decommissioned, first critical in 1956.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 14 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 48 pool-type reactors remain in operation today across 28 countries. Its declared uses include isotope production, neutron scattering, activation analysis and materials testing.

Country
United States
City
Columbus, OH
Type
Pool
Thermal power
2 MW
Operator
Battelle Laboratories-West Jefferson
Status
Decommissioned
First criticality
1956
Purpose
Isotope production, neutron scattering, activation analysis, materials testing

Data: IAEA RRDB · updated on Sep 3, 2026

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