[Someone]

Why “especially”? Demand for electricity will go up a lot, but people buy electric cars with much larger batteries than they need most of the time.

So, many people would be able to postpone charging their cars. Steep variable pricing easily would make them do that.

[sambeau]

Especially, because most energy used is currently not electricity:it fossil fuels. We need 4x for a zero-carbon grid and to be secure we need over a week's stored electricity: 10s of TWh. The plan for the UK grid has 50 Two in it. Will people really postpone charging their car for a week if they hit a cold still week in January?