EBWR
EBWR, a research reactor (other) in Lemont, IL, United States, with 100 MW of thermal power, operated by Argonne National Laboratory. Decommissioned, first critical in 1956.
It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 14 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). Its declared uses include innovative research.
- Country
- United States
- City
- Lemont, IL
- Type
- Other
- Thermal power
- 100 MW
- Operator
- Argonne National Laboratory
- Status
- Decommissioned
- First criticality
- 1956
- Purpose
- Innovative research
See also: every research reactor in United States · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026