United States United States · Albuquerque, NM · 35.051, -106.543

ACRR Annular Core RR

ACRR Annular Core RR, a research reactor (tRIGA) in Albuquerque, NM, United States, with 2.4 MW of thermal power, operated by Sandia National Laboratories. Operating, first critical in 1967.

It is one of the 48 research reactors operating in the United States. It went critical 25 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 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
United States
City
Albuquerque, NM
Type
TRIGA
Thermal power
2.4 MW
Operator
Sandia National Laboratories
Design and construction
Designed by General Atomics
Status
Operating
First criticality
1967
Purpose
Neutron radiography, materials testing

Data: IAEA RRDB · updated on Sep 21, 2026

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