United States · Oak Ridge, TN · 35.930, -84.310

PCA Pool Critical Assembly

PCA Pool Critical Assembly, a research reactor (critical assembly) in Oak Ridge, TN, United States, with 10 kW of thermal power, operated by Lockheed Martin Energy Systems. Shut down, first critical in 1958.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 16 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 44 critical assemblies remain in operation today across 12 countries. Its declared uses include teaching and training.

Country

United States

City

Oak Ridge, TN

Type

Critical assembly

Thermal power

10 kW

Operator

Lockheed Martin Energy Systems

Status

Shut down

First criticality

1958

Purpose

Teaching, training

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