ORPHEE
Located at the CEA Saclay site in France, ORPHEE was a pool-type research reactor moderated by heavy water, focused on neutron scattering and condensed matter physics. It played a notable role in scientific research for approximately 40 years before its permanent shutdown in 2019. Its contributions
Key Stats
100/100
ORPHEE
Status: SHUTDOWN_PERMANENT Category: RESEARCH Country: France France Operator: cea-saclay Type: Pool Pool Capacity: 14 MWth (thermal only)
Overview
Located at the CEA Saclay site in France, ORPHEE was a pool-type research reactor moderated by heavy water, focused on neutron scattering and condensed matter physics. It played a notable role in scientific research for approximately 40 years before its permanent shutdown in 2019. Its contributions supported advancements in civilian nuclear and material sciences during its operational history.
Key Facts
Notes
D2O-moderated reactor at CEA Saclay. Permanently shut down in 2019 after ~40 years of service.
Source: IAEA PRIS / reactors_canonical · Enriched by Grok Last updated: 2026-05-10
Sources
- IAEA Research Reactor Database [UNVERIFIED] — General database for research reactors including ORPHEE, hosted by the International Atomic Energy Agency.
- Wikipedia: ORPHEE Reactor [UNVERIFIED] — Wikipedia entry detailing the history and specifications of the ORPHEE research reactor.
- CEA Official Website — Official site of the French Alternative Energies and Atomic Energy Commission, operator of the ORPHEE reactor at Saclay.
- World Nuclear Association: France Profile — Overview of nuclear energy and research facilities in France, including mentions of CEA Saclay.
Sources (1)
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