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Ontario Formally Approves Pickering Nuclear Refurbishment to Extend Plant Life for Decades

The plan still needs Canadian Nuclear Safety Commission licensing before work on units 5–8 can begin in early 2027.

Overview

  • Ontario set the refurbishment budget at $26.8 billion, with Ontario Power Generation carrying project costs while exploring financing tools to limit impacts on electricity bills.
  • The overhaul focuses on Pickering’s B units 5–8 and includes major component replacements, with output projected to reach about 2,200 megawatts.
  • Officials project roughly 30,000 construction jobs and about 3,700 ongoing positions, with most project spending expected to stay in Canada.
  • If licensed, construction is slated to start in early 2027, with all units targeted to return to service by the mid-2030s.
  • The move reinforces the province’s nuclear-centered energy strategy, as critics warn of higher costs and point to increased natural gas use during nuclear outages.