AND they beef up the national grid to handle the added load required to charge them.
Petrol takes 7.46kWh/gallon (US) of leccy to refine from crude. A 60kWh battery pack stores the electricity it takes to refine 8 gallons (~30L) of petrol. If you have an EV and own your home, fitting solar panels is a no brainer. There is even a company that is coming out with a kit to turn a previously loved vehicle battery into a mini DC fast charger for the home. Forget net metering. If it isn't sunny you could recharge the stationary battery off-peak or just plug the car in if you aren't in such a big hurry.