Hourly demand reached up to 9.53 GWh at 5 pm of June 28th, a 16% increase from the previous record set in 2019 and a 35% increase with respect to the seasonal average. The power load* data we have analyzed** underscores the exceptional conditions caused by the heatwave: in 42 out of the 72 hours from June 27 th to June 29 th, hourly electricity demand was higher than the previous record set for the month of June (looking at the past 6-years). As a result, the region experienced the highest summer demand peak – the hour customers use the most electricity during the season. Although Canada is a temperate country, in the province of British Columbia, the share of households owning at least one AC unit has grown considerably from roughly 10% in 2000 to 37% in 2018. The larger is the diffusion of air-cooling appliances, the higher is the immediate response of electricity demand. Heatwaves pose an extreme danger to human health: in British Columbia at least 719 sudden deaths were reported over seven days, nearly three times the usual number that would occur in the province over that period.ĭue to the extreme thermal discomfort affecting the population during the heatwave, the use of air conditioners has spiked. The city broke for three times in a week the Canadian all-time hottest temperature record. British Columbia, including the city of Vancouver, was the most severely affected area, with temperatures reaching 50☌ in the town of Lytton. Northwest have been hit by the worst heatwave on records. From Friday 25 th 2021 to Tuesday 29 th, western Canada and the U.S.
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