United States · New Stanton, PA · 40.220, -79.604 (approximate location)

WTR Westinghouse Test Reactor

WTR Westinghouse Test Reactor, a research reactor (tank) in New Stanton, PA, United States, with 20 MW of thermal power, operated by Westinghouse Waltz Mill West Facility. Decommissioned, first critical in 1959.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 17 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 36 tank-type reactors remain in operation today across 23 countries. Its declared uses include materials testing.

Country

United States

City

New Stanton, PA

Type

Tank

Thermal power

20 MW

Operator

Westinghouse Waltz Mill West Facility

Status

Decommissioned

First criticality

1959

Purpose

Materials testing

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