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She added that during the heat wave, Californians were encouraged to precool their homes during the middle of the day — allowing them to benefit from cheap and abundant solar power during daylight hours and set thermostats higher later on.

Gov. Gavin Newsom and utility officials have asked residents to “precool” their homes by dropping their thermostats to 70 degrees earlier in the day, then moving them up to at least 78 degrees at 4 p.m.

She encouraged Californians to “precool” their homes by cranking air conditioning low in the morning and then raising thermostats to 78 degrees in the late afternoon.

Those homes might also get an extra boost of cold air a bit earlier in the day to “precool” them ahead of the electricity rush hour.

The Flex Alert asks residents to precool their homes and then raise their thermostats to 78 degrees and avoid using major appliances from 4 to 9 p.m.