https://www.mercurynews.com/2022/09/02/will-california-have-blackouts-over-labor-day-weekend/

As California heads into the hottest weekend of the year — with temperatures expected in the high 90s across much of the Bay Area and some inland areas forecast to hit a scorching 110 degrees or more on Monday and Tuesday — the demand for air conditioning is straining the state’s power grid.

Two years ago, during a similar heat wave on Aug. 14 and 15, 2020, electricity use exceeded supplies and rolling blackouts cut power to 812,000 customers around the state for up to two hours each day. Those were California’s first such “rotating outages” since 2001.