Critical Experiment Tank
Critical Experiment Tank, a research reactor (other) in Idaho Falls, ID, United States, with 5 kW of thermal power, operated by General Electric Company. Decommissioned, 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). Its declared uses include research, development and experiments.
- Country
- United States
- City
- Idaho Falls, ID
- Type
- Other
- Thermal power
- 5 kW
- Operator
- General Electric Company
- Status
- Decommissioned
- First criticality
- 1958
- Purpose
- Research, development, and experiments
See also: every research reactor in United States · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026