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United States United States · Urbana, IL · 40.110, -88.204 (approximate location)

Univ. Illinois Advanced TRIGA

Univ. Illinois Advanced TRIGA, a research reactor (tRIGA) in Urbana, IL, United States, with 1.5 MW of thermal power, operated by University of Illinois at Urbana-Champaign. Decommissioned, first critical in 1969.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 27 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 36 TRIGA reactors remain in operation today across 17 countries. It is one of 65 research reactors in 20 countries that General Atomics designed or built.

Country
United States
City
Urbana, IL
Type
TRIGA
Thermal power
1.5 MW
Operator
University of Illinois at Urbana-Champaign
Design and construction
Designed by General Atomics
Status
Decommissioned
First criticality
1969

Data: IAEA RRDB · updated on Sep 3, 2026

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