The 680 MWe Candu 6 pressurised heavy-water plant began commercial operation in 1983 but has been out of service for four years for the major refurbishment work which was originally anticipated to take only 16 months. The reactor is the third refurbished Candu to be given restart permission by the CNSC this year. Bruce A2 received restart permission in March but problems with the non-nuclear electricity generation side of the plant have delayed its return to service. Bruce A1 has now been given permission to go to 50% power.
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