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

BSR Bulk Shielding Reactor

BSR Bulk Shielding Reactor, a research reactor (pool) in Oak Ridge, TN, United States, with 2 MW of thermal power, operated by Lockheed Martin Energy System. Shut down, first critical in 1950.

It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 8 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 48 pool-type reactors remain in operation today across 28 countries. Its declared uses include materials testing.

Country

United States

City

Oak Ridge, TN

Type

Pool

Thermal power

2 MW

Operator

Lockheed Martin Energy System

Status

Shut down

First criticality

1950

Purpose

Materials testing

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