Russia · St. Petersburg · 59.938, 30.309 (approximate location)

G-1

G-1, a research reactor (critical assembly) in St. Petersburg, Russia, with 200 W of thermal power, operated by Krylov Shipbuilding Research Institute. Shut down, first critical in 1964.

It was one of the 123 research reactors Russia has had; 57 remain in operation today. It went critical 18 years after the first research reactor in Russia, F-1 (1946). 44 critical assemblies remain in operation today across 12 countries.

Country

Russia

City

St. Petersburg

Type

Critical assembly

Thermal power

200 W

Operator

Krylov Shipbuilding Research Institute

Status

Shut down

First criticality

1964

See also: every research reactor in Russia · How research reactors work