PLYMOUTH, Mass. (AP) — It will take about five hours for the Pilgrim nuclear power plant in Plymouth to permanently shut down on Friday after 47 years of generating electricity.
Entergy announced in 2015 it would retire Massachusetts' only remaining reactor, citing competition from less expensive energy sources.
Technicians will first reduce Pilgrim's power output from the current 40% to 26% to about 8%.
At that point workers will press two buttons at once, launching the final step of inserting control rods into the fuel assembly to seal off further nuclear reactions.
Preparations will then begin for cleaning up and dismantling the plant.
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