Not up in my neck of the woods or any where that is high humidity.
Most of the brownouts and blackouts occur at night in the Northeast in the middle of summer.
People up here turn their air conditioners off when the go to work during the day and then turn them on when they get home at night.
When we are in a heat wave all of the warnings to reduce power consumption take place at night.
That’s backwards from my experience in the southwest ... new large buildings there sometimes have large (million-gallon) cold-water tanks which are cooled by the chillers at night, when electricity is plentiful and cheap, then the building is cooled during the day using the water tank as a heat-sink.
Electric rates (and meters) there are set up to encourage people to leave the air-conditioner on during the day, to avoid the peak that would result from everyone coming home at 5:00 PM and cranking up the AC, along with the stove, and washing machine and dryer.