Canada’s Polar Vortex Pushes Utilities and Airlines to Breaking Point

Winter blast forces Canadian power grids to max capacity and flies across Canada cancel, delay.

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Canada’s Polar Vortex Pushes Utilities and Airlines to Breaking Point

On Sunday, January 24, 2026, a polar vortex slammed Canada with wind‑chilled temperatures of –55 °C on the Prairies and –30 °C to –40 °C in Toronto and Ottawa. Nova Scotia Power warned customers that the system could reach maximum capacity, while Newfoundland and Labrador Hydro warned of potential rotating outages. Air Canada cited airport delays and offered free rebooking, and WestJet advised customers travelling to Toronto, Montreal, Halifax, Moncton, Quebec City, as well as U.S. hubs in Atlanta, Houston and New York City. A severe U.S. winter storm compounded disruptions, canceling thousands of flights to North America.

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Canada cold snappower grid capacityflight cancellations