Maria
Situated in Świerk-Otwock, Poland, the Maria reactor is a critical asset for Europe as one of the key producers of Mo-99, a vital medical isotope. Operated by the National Centre for Nuclear Research (NCBJ), this 30 MWth pool-type channel reactor has been operational for decades, supporting isotope
Key Stats
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Maria
Status: OPERATIONAL Category: RESEARCH Country: Poland Poland Operator: ncbj--national-centre-for-nuclear-research Type: Channel Channel Capacity: 30 MWth (thermal only)
Overview
Situated in Świerk-Otwock, Poland, the Maria reactor is a critical asset for Europe as one of the key producers of Mo-99, a vital medical isotope. Operated by the National Centre for Nuclear Research (NCBJ), this 30 MWth pool-type channel reactor has been operational for decades, supporting isotope production, neutron scattering, and materials testing.
Key Facts
Notes
Świerk-Otwock. One of Europe's key Mo-99 producers. D2O-moderated, H2O-cooled pool-type channel reactor.
Source: IAEA PRIS / reactors_canonical · Enriched by Grok Last updated: 2026-05-10
Sources
- IAEA PRIS - Maria Reactor — Official record of the Maria reactor in Poland from the IAEA Power Reactor Information System.
- Wikipedia - Maria Reactor — Detailed overview of the Maria reactor, including its history and operational role.
- National Centre for Nuclear Research (NCBJ) — Official website of the operator of the Maria reactor, providing information on research and isotope production.
- World Nuclear Association - Poland — Country profile for Poland, including details on research reactors like Maria.
- World Nuclear News - Maria Reactor [UNVERIFIED] — Article on the Maria reactor's role in medical isotope production.
Sources (1)
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