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Canada could be home to the world’s largest nuclear plant

Canada could be home to the world’s largest nuclear plant

That's a lot of energy.

By Quinn Henderson

May 8, 2026

Ontario could be getting a nuclear power plant that rivals even Springfield’s.

What happened: Ontario has paved the way to build what could be the world’s largest nuclear power plant, with the Crown corporation in charge of the province’s electricity market signing a cost-sharing pact with nuclear energy firm Bruce Power valued at ~$300 million. 

Zoom in: Dubbed Bruce C (not to be confused with horror icon Bruce Campbell), the plant will be Ontario’s first new large-scale nuclear project in 30 years. With a proposed nuclear capacity of up to 4,800 megawatts, the station could power as many as 4.8 million homes.

  • The deal will cover the costs of the plant’s planning phase — including First Nations consultations, workforce planning, and pre-construction and site preparation. The project itself still needs federal approval to go ahead.

Why it matters: While Bruce C isn’t on Ottawa’s Major Projects roster, it could be the first of other large-scale nuclear buildouts that do make Ottawa’s special list. Last month, Energy Minister Tim Hodgson listed expanding nuclear energy as a top priority for the new office. 

  • Currently, Ontario has 16 of the country’s 17 operational nuclear reactors, but New Brunswick, Alberta, and Saskatchewan have all shown interest in the technology. 

Bottom line: As energy demand expands across the country — both from consumers and all those data centres — nuclear energy will increasingly be touted as a viable solution, though critics still argue that it's costly and impractical.—QH

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