SR-305 Savannah River
SR-305 Savannah River, a research reactor (graphite) in Aiken, SC, United States, with 50 W of thermal power, operated by DuPont Savannah River Site. Decommissioned, first critical in 1952.
It was one of the 340 research reactors the United States has had; 48 remain in operation today. It went critical 10 years after the first research reactor in the United States, CP-1, Chicago Pile 1 (1942). 4 graphite-moderated research reactors remain in operation today across 3 countries. Its declared uses include materials testing.
- Country
- United States
- City
- Aiken, SC
- Type
- Graphite
- Thermal power
- 50 W
- Operator
- DuPont Savannah River Site
- Status
- Decommissioned
- First criticality
- 1952
- Purpose
- Materials testing
See also: every research reactor in United States · How research reactors work
Data: IAEA RRDB · updated on Sep 3, 2026