TRIGA Mark III
TRIGA Mark III, a research reactor (tRIGA) in Ocoyoacac, La Marquesa, Mexico, with 1 MW of thermal power, operated by Instituto Nacional de Investigaciones Nucleares (ININ). Operating, first critical in 1968.
It is the most powerful research reactor in Mexico, of the 3 currently operating. It was the first research reactor in Mexico to go critical and is still operating 58 years later. It is one of 37 TRIGA reactors operating worldwide, spread across 18 countries. It is one of 66 research reactors in 21 countries that General Atomics designed or built.
- Country
- Mexico
- City
- Ocoyoacac, La Marquesa
- Type
- TRIGA
- Thermal power
- 1 MW
- Operator
- Instituto Nacional de Investigaciones Nucleares (ININ)
- Design and construction
- Designed by General Atomics
- Status
- Operating
- First criticality
- 1968
- Purpose
- Isotope production, teaching, training, activation analysis
See also: every research reactor in Mexico · How research reactors work · every reactor by General Atomics
Data: IAEA RRDB · updated on Sep 8, 2026