Holtec might need to derate 100U

摘要

An NRC official said last week that Holtec International’snbest option for securing a license for an underground spentnfuel storage system might be to lower the heat limit on fuelnassemblies authorized for emplacement in the system. Thenvendor and NRC have been debating how to handle windnand its impact on the proposed Hi-Storm 100U’s heat rejectionn— a phenomenon NRC has not had to consider beforenin reviewing applications for dry storage casks.