Ker se večina aktivnosti zamenjave izvede po zaustavitvi elektrarne in brez gorivnih elementov v reaktorju, obravnavajo varnostna vrednotenja jedrskega tveganja predvsem zahtevo, da gorivo v bazenu za izrabljeno gorivo ne pomeni nevarnosti.
As most of the SGR activities are performed after shutdown of the plant with an unloaded core, safety evaluations for nuclear risk deal mainly with the requirement that the fuel in the spent fuel pool is not a danger.