ES
Mexico Mexico · Mexico City · 19.433, -99.133 (approximate location)

SUR-100 UNAM

SUR-100 UNAM, a research reactor (homogeneous) in Mexico City, Mexico, operated by National Autonomous University of Mexico (UNAM). Decommissioned, first critical in 1972.

It was one of the 3 research reactors Mexico has had; 2 remain in operation today. It went critical 3 years after the first research reactor in Mexico, Chicago Modelo 9000 (1969). 15 homogeneous reactors remain in operation today across 6 countries.

Country
Mexico
City
Mexico City
Type
Homogeneous
Thermal power
critical
Operator
National Autonomous University of Mexico (UNAM)
Status
Decommissioned
First criticality
1972

Data: IAEA RRDB · updated on Sep 3, 2026

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