Spain already started tweaking the night price discount on electricity in 2007. There were complaints from people who had replaced their gas heating systems with electric heaters and were going to lose much of the economic benefit of being able to charge accummulators at night.

When people start charging their cars massively at home, demand will equalize and so will price.

tens of millions of people stand to see their lives ruined because the bureaucrats at the ECB don't understand introductory economics -- Dean Baker