FiR 1 (TRIGA)
Located at the VTT Technical Research Centre in Otaniemi, Espoo, Finland, FiR 1 is a 250 kWth TRIGA Mark II research reactor. It was used for civilian purposes such as neutron activation and boron neutron capture therapy (BNCT) before its permanent shutdown in 2015. The reactor no longer operates bu
Key Stats
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FiR 1 (TRIGA)
Status: SHUTDOWN_PERMANENT Category: RESEARCH Country: Finland Finland Operator: vtt-technical-research-centre Type: TRIGA TRIGA Capacity: 0.25 MWth (thermal only)
Overview
Located at the VTT Technical Research Centre in Otaniemi, Espoo, Finland, FiR 1 is a 250 kWth TRIGA Mark II research reactor. It was used for civilian purposes such as neutron activation and boron neutron capture therapy (BNCT) before its permanent shutdown in 2015. The reactor no longer operates but contributed to Finland's nuclear research legacy.
Key Facts
Notes
VTT Otaniemi, Espoo. 250 kWth TRIGA Mark II. Permanently shut down 2015.
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 FiR 1, though specific reactor ID link is not provided due to uncertainty.
- Wikipedia: FiR 1 — Detailed page on the FiR 1 TRIGA research reactor, covering its history and shutdown.
- VTT Technical Research Centre of Finland — Official website of the operator, VTT, with information on their research facilities including the former FiR 1 reactor.
- World Nuclear Association: Nuclear Power in Finland — Country profile for Finland, including information on research reactors like FiR 1.
- World Nuclear News: Finland's FiR 1 reactor to be dismantled [UNVERIFIED] — News article on the decommissioning plans for FiR 1.
Sources (1)
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