Dee ihe ga-aga n'ihu na paragraf a - WNP-1/4 na WNP-2 (nke bụzi Columbia Generating Station) ekwesịghị ịbụ nke a ga-agbagwoju anya na ụlọ ọrụ Skagit/Hanford a na-atụ aro. Skagit / Hanford bụ atụmatụ nke otu ụlọ ọrụ nke Puget Sound Power &amp; Light (40% òkè) duziri ma sonyeere Portland General Electric (30%), Pacific Light and Power (20%) na Washington Water Power (10%) iji wuo ụlọ ọrụ abụọ dị n'ebe ugwu Seattle na Skagit Valley. Ebe Skagit dị dị kpọmkwem n'elu nnukwu ọdịda ala ọma jijiji. Mgbe ihe mberede ahụ mere na Three Mile Island gasịrị
na 1979, ndị Skagit County voters manyere ndị otu ahụ ịkwaga ụlọ ọrụ Skagit ahụ a tụrụ aro na saịtị Hanford. Skagit / Hanford emebeghị ọganihu karịa usoro nhazi injinịa mbụ tupu e kpochapụ ụlọ ọrụ ahụ. Akụkọ Battelle Northwest nke 1978 kwuru na saịtị Hanford nwere ike ịkwado ụlọ ọrụ nuklia iri abụọ ma ọ bụ karịa.