Electric car charging can smooth the grid, similar to industrial users. If big battery cars (that only need to be recharged every few days) become popular, and

Electric car charging can smooth the grid, similar to industrial users. If big battery cars (that only need to be recharged every few days) become popular, and most people can plug them in both day and night, and you have a forecast of when the car user might need to actually be fully charged, then you can charge-or-not depending on the weather.