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United States United States · State College, PA · 40.799, -77.864 (approximate location)

PSBR Penn St. Unv.

PSBR Penn St. Unv., a research reactor (tRIGA) in State College, PA, United States, with 1 MW of thermal power, operated by The Pennsylvania State University. Operating, first critical in 1955.

It is one of the 48 research reactors operating in the United States. It went critical 13 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
State College, PA
Type
TRIGA
Thermal power
1 MW
Operator
The Pennsylvania State University
Design and construction
Designed by General Atomics
Status
Operating
First criticality
1955
Purpose
Isotope production, neutron scattering, neutron radiography, teaching, training, activation analysis, materials testing

Data: IAEA RRDB · updated on Sep 3, 2026

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