And a lot of todays power-plants can't regulate supply to meet demand easily so power is often wasted or sold at negative price. This is a particular problem at

And a lot of todays power-plants can't regulate supply to meet demand easily so power is often wasted or sold at negative price. This is a particular problem at night time. With EVs charging at night one could handle excess power production without expanding total electric production in any way. EVs are simply a good match for the limitations of today's power production.