GA-TRIGA I
GA-TRIGA I, a research reactor (tRIGA) in San Diego, CA, United States, with 250 kW of thermal power, operated by General Atomics. Shut down, first critical in 1958.
It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 16 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
- San Diego, CA
- Type
- TRIGA
- Thermal power
- 250 kW
- Operator
- General Atomics
- Design and construction
- Designed by General Atomics
- Status
- Shut down
- First criticality
- 1958
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