Alberta Operator Asks for Conservation as Power Peaks Again

Alberta power prices reached maximum rates for a third day as heat stoked demand and the province’s largest imported electricity source was down for maintenance.

Supplies were reduced by a failure on the inter-tie from British Columbia that serves Alberta and a lack of wind power, said the Alberta Electric System Operator, which asked residents to use less. The high temperature in Calgary reached 27 degrees Celsius (81 Fahrenheit) today, compared with a seasonal historical average of 19, according to Environment Canada.

Posted pool prices for Alberta electricity spiked to C$999.99, the maximum allowed under provincial regulations, at 2 p.m. local time from a low of C$20.05 earlier in the day. Prices reached the maximum for several hours yesterday and Sept. 3.

Environment Canada expects maximum temperatures to cool into the mid-teens through the weekend, and mid-to-low-20s into next week.

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