The first SMR will cost $6.1 billion, along with costs for systems and services common to all four SMRs of $1.6 billion. Costs are expected to decline with each subsequent unit as efficiencies are gained, similar to the Darlington Refurbishment Project.
Published May 8, 2025 at 10:33am
Stephen Lecce, Minister of Energy and Mines of Ontario speaks at a press conference in Toronto on Thursday, April 17, 2025. THE CANADIAN PRESS/Arlyn McAdorey
Ontario Power Generation (OPG) says it's ready to begin building Canada’s first grid-scale small modular reactor (SMR) at Darlington, Ontario.
The Darlington New Nuclear Project, based on GE Hitachi’s BWRX-300 design, is now scheduled to begin construction in 2025 with completion expected by the end of 2029.
The construction completion is scheduled for the end of 2029, with power to the grid in 2030.
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