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Darlington nuclear Unit 3 refurbishment approaches finish line

March 28, 2023

On March 22, after more than 900 days of refurbishment work, Unit 3 of the Darlington nuclear power plant was reconnected back to station containment and handed back to Operations.

Ontario Power Generation (OPG) said 92% of the work on Unit 3 was completed. Over the next three months, OPG said there would be a transition from construction activities to return-to-service activities, following regulator reviews and approvals.

It’s the latest development in the ten-year, C$12.8 billion ($9.37 billion) project to refurbish the four nuclear reactors at Canada’s second-largest nuclear station. Work began in October 2016.

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