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United States United States · Sacramento, CA · 38.637, -121.332 (approximate location)

UC Davis/McClellan TRIGA

UC Davis/McClellan TRIGA, a research reactor (tRIGA) in Sacramento, CA, United States, with 2 MW of thermal power, operated by University of California, Davis. Operating, first critical in 1990.

It is one of the 48 research reactors operating in the United States. It went critical 48 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). It is one of 36 TRIGA reactors operating worldwide, spread across 17 countries. It is one of 65 research reactors in 20 countries that General Atomics designed or built.

Country
United States
City
Sacramento, CA
Type
TRIGA
Thermal power
2 MW
Operator
University of California, Davis
Design and construction
Designed by General Atomics
Status
Operating
First criticality
1990
Purpose
Isotope production, neutron radiography, transmutation, teaching, training, activation analysis

Data: IAEA RRDB · updated on Sep 3, 2026

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