Designs / dsn-microuranus

MicroURANUS

UNIST's lead-bismuth-cooled reactor of 60 MWt and 20 MWe, described in the IAEA's 2020 SMR booklet as sealed after factory fuelling and testing before transport (pre-conceptual design). This dated design profile does not establish current development, a deployment site or any regulatory permission.

Source snapshot: 2020 (edition or document date of the cited source). Source review does not establish current availability or a deployment.

Class
Microreactor
Technology
Lead-cooled fast reactor (LFR)
Coolant
lead_bismuth
Spectrum
fast
Developer / vendor(s) as of 2020
Ulsan National Institute of Science and Technology (UNIST)
Module electrical
20 MWe (nameplate (gross/net unspecified))
Module thermal
60 MWth (nameplate_unspecified)
Inclusion basis
microreactor_labeled
Confidence
medium
Last verified
2026-10-03

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