An Arctic blast that’s sweeping through North America is heightening the risk of blackouts. With more cold still in the forecast, electric grids from Texas to Alberta will continue to be under strain and some power prices have surged.

In Texas, which is facing one of its biggest grid tests since deadly winter blackouts in 2021, power demand on Sunday from homes and businesses is expected to hit a winter record of more than 75 gigawatts — and then later in the week possibly set an all-time record. The state’s grid operator asked people to conserve electricity use for Monday morning and warned of a power capacity shortage between 7 a.m. and 9 a.m., “which causes a risk” of an energy emergency event, according to a notice Sunday evening.

See my previous post on historical weather patterns when you have a triple dip La Niña followed by an El Niño...

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