On the coldest days of the year, major U.S. utilities are switching off the power in rolling blackouts:

As extreme winter weather chilled much of the United States during the holiday weekend, Duke Energy announced Saturday that it was imposing rolling power outages in the Carolinas on Christmas Eve because of increased strain on the energy grid.

Source: Duke Energy cuts power as extreme cold taxes grid on holiday weekend

TVA has also begun rolling blackouts.

I’m so old, I remember when the U.S. was not considered a developing nation with failing infrastructure. Imagine adding a hundred million EVs to the utility network.

Coldstreams