Designs / dsn-enhs

ENHS (Encapsulated Nuclear Heat Source)

Lead-bismuth-cooled reactor module of 125 MWt and a nominal 50 MWe, which IAEA-TECDOC-1536 (2007) describes as fabricated, fuelled and sealed in the factory (feasibility or early conceptual stage). This dated design profile does not establish current development, a deployment site or any regulatory permission.

Source snapshot: 2007 (edition or document date of the cited source). Source review does not establish current availability or a deployment.

Class
SMR
Technology
Lead-cooled fast reactor (LFR)
Coolant
lead_bismuth
Spectrum
fast
Developer / vendor(s) as of 2007
University of California, Berkeley, Lawrence Livermore National Laboratory
Module electrical
50 MWe (nameplate (gross/net unspecified))
Module thermal
125 MWth (nameplate_unspecified)
Inclusion basis
smr_by_design_class
Confidence
medium
Last verified
2026-10-03

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