United States · Los Alamos, NM · 35.893, -106.300 (approximate location)

HYPO High Power Reactor

HYPO High Power Reactor, a research reactor (homogeneous) in Los Alamos, NM, United States, with 5.5 kW of thermal power, operated by University of California. Decommissioned, first critical in 1944.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 2 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 15 homogeneous reactors remain in operation today across 6 countries. Its declared uses include nuclear data measurements.

Country

United States

City

Los Alamos, NM

Type

Homogeneous

Thermal power

5.5 kW

Operator

University of California

Status

Decommissioned

First criticality

1944

Purpose

Nuclear data

See also: every research reactor in United States · How research reactors work