TRIGA Puerto Rico Nuclear Center
TRIGA Puerto Rico Nuclear Center, a research reactor (tRIGA) in Mayagüez, Puerto Rico, United States, with 2 MW of thermal power, operated by Center for Energy and Environmental Research (CEER). Decommissioned, first critical in 1972.
It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 30 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
- Mayagüez, Puerto Rico
- Type
- TRIGA
- Thermal power
- 2 MW
- Operator
- Center for Energy and Environmental Research (CEER)
- Design and construction
- Designed by General Atomics
- Status
- Decommissioned
- First criticality
- 1972
- Purpose
- Isotope production, teaching, materials testing
See also: every research reactor in United States · How research reactors work · every reactor by General Atomics
Data: IAEA RRDB · updated on Sep 3, 2026