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Power usage spikes expected as B.C. heat arrives, triggering warnings along coast

BC Hydro said demand could reach 8,800 megawatts as heat warnings spread across the province and air-conditioning use rises.

  • Environment Canada issued yellow heat warnings on Monday for British Columbia's North and Central coasts, including Terrace, Kitimat, and Bella Coola, effective through Wednesday as a high-pressure ridge arrives.
  • A ridge of high pressure will push daytime temperatures to 33 degrees in some areas while overnight lows remain in the mid-to-high teens, creating prolonged heat stress across the region.
  • Hydro reports power usage this week could approach 8,200 to 8,800 megawatts, potentially testing grid capacity and exceeding the current summer record of over 8,600 megawatts set in August 2025.
  • Environment Canada advises residents to keep homes cool using air conditioning or closing blinds, and to seek public cooling centres. Heat risks are greatest for seniors and people with pre-existing conditions.
  • Wildfire smoke is expected to affect the West Kootenay over the next 48 hours, while provincial heat warnings cover the Southern Interior where temperatures in Kamloops and Osoyoos could reach 37 degrees.
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Winnipeg Free Press broke the news in Winnipeg, Canada on Monday, July 20, 2026.
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