Sandia SPR CX
Sandia SPR CX, a research reactor (critical assembly) in Albuquerque, NM, United States, with 1 W of thermal power, operated by Sandia National Laboratories. Operating, first critical in 1989.
It is one of the 48 research reactors operating in the United States. It went critical 47 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). It is one of 44 critical assemblies operating worldwide, spread across 12 countries. Its declared uses include nuclear data measurements.
- Country
- United States
- City
- Albuquerque, NM
- Type
- Critical assembly
- Thermal power
- 1 W
- Operator
- Sandia National Laboratories
- Status
- Operating
- First criticality
- 1989
- Purpose
- Nuclear data
See also: every research reactor in United States · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026