This is something that many people who see electric cars as one part of the solution to greenhouse gas production haven't considered...
Basically the increase in power needed to charge these batteries - at the most conservative estimate - is more than the total output from the new Hinkley Point power station.The number of plug-in cars and vans could reach 9m by 2030, up from around 90,000 today, said the company, which runs the UK’s national transmission networks for electricity and gas.
The impact of charging so many cars’ batteries would be to reverse the trend in recent years of falling electricity demand, driven by energy efficiency measures such as better refrigerators and LED lighting.
There is no way that solar, wind, tide, wave and the like can meet even the present need let alone this huge increased demand.
The solutions proposed include the building of further new nuclear facilities and the replacement of dwindling North Sea gas with onshore fracked gas production (North Sea gas has actually involved fracking since the 1960s).
I think the well-meaning people who oppose nuclear, fracking and everything else that isn't 'natural' are going to have to get real and start thinking a bit...