STACY

STACY is a very-low-power critical assembly research facility in Tokai-Mura, Japan, operated by JAEA. The IAEA Research Reactor Database lists it as operational, with first criticality on 23 February 1995.

Operator: JAEA
Type: Research reactor
Approach: Fission
Country: JP
Status: Operating

Design values

What the machine was built to do, as published. Not results, and never ranked.

Design values for STACY
Parameter	Value	Unit	Status	Source
Thermal capacity (rated) medium confidence	2 × 10⁻⁴ MW	MW	claimed	IAEA Research Reactor Database (RRDB): public reactor list (JSON behind nucleus.iaea.org/rrdb) aggregator