Any evidence to support that?
An EV doesn’t draw anymore than an electric dryer, draws about 1/3-2/3 that of what it takes to run most in home AC systems, about 1/10-1/3 what it takes to run electric heat.
Does the entire grid shut down when everyone is running AC or heat? Well sometimes it does, but not all that often.
Amid Heat Wave, California Asks Electric Vehicle Owners to Limit Charging (Published 2022)
Critics of the state’s push to end reliance on gas-powered vehicles seized on the news. But environmentalists said the extreme weather underscored the need for the E.V. transition.
www.nytimes.com