SEALER
**Vendor/Designer:** [[vendors/leadcold]]
Key Stats
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SEALER
Status: CONCEPTUAL_DESIGN Category: MICROREACTOR Country: Sweden Sweden Vendor/Designer: leadcold Type: Lead-cooled fast reactor [Lead-cooled fast reactor](/library/wiki/technologies/Lead-cooled fast reactor) Capacity: 3 MWe
Overview
SEALER is a conceptual microreactor design by LeadCold in Sweden, utilizing lead-cooled fast reactor technology with a focus on providing energy for Arctic regions in civilian applications. With a net capacity of 3 MWe, it aims to address unique energy challenges in remote areas. Currently in the conceptual design phase, it has no operational history or designated site.
Key Facts
Notes
Arctic energy focus
Source: IAEA PRIS / reactors_canonical · Enriched by Grok Last updated: 2026-05-10
Sources
- World Nuclear Association - Sweden — Overview of nuclear energy developments in Sweden, including emerging designs like SEALER.
- World Nuclear News - LeadCold's Arctic reactor project [UNVERIFIED] — Article discussing LeadCold's SEALER project for Arctic energy solutions.
- LeadCold Official Website — Official site of the designer/vendor providing details on the SEALER microreactor concept.
Sources (1)
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