Tuhia he haere tonu mō tēnei wāhanga - Ko ngā raruraru o Stone & Webster ki te hanga i ngā pūngao hiko tūturu i ōrite ki ōna raruraru i te hanganga karihi. I te mutunga o nga tau 1970, kua eke te kamupene ki tetahi mahi nui i roto i te umanga hiko karihi - he waahanga nui o te kaha karihi katoa i te United States i hangaia i nga tipu i hangaia e Stone & Webster. I te tau 1975, i tohua te kamupene ki te hanga i te Clinch River Breeder Reactor. Heoi anō, ko te nui haere o te ātete a te iwi whānui ki te hanganga o ngā pūngao karihi, ko ngā whakaroa roa i kawea mai e ngā wero i mua i ngā kōmihana ratonga tūmatanui, me ngā pikinga ōrite o ngā utu hanga pūngao, i whāitihia e te raruraru
I Three Mile Island i te tau 1979, i whakatauhia ai te whakatārewatanga o te hanganga o ngā tipu karihi nui, me te whakakore i te maha o ngā tono o nāianei.