"Buy an electric car, because it's good for the Environment!

Of course, you might not be able to charge it at times, and you might have to freeze in winter, because we can't generate enough power to run all this stuff."

 The proposals, set out in a report by the Distribution Connection and Use of System Agreement (DCUSA), warns that “Electricity networks in Great Britain were not designed to accommodate the significant additional demand that certain consumer devices (such as electric vehicle (EV) chargers) presents.”

...

People affected by the cutoffs would not be offered any form of compensation under the proposals, while a new, third-generation electricity smart meter would also have to be installed to facilitate the plans. Other high-drain devices, such as electric central heating systems, could also be affected by the “last resort” actions.
Much like Californicated pushing for more electric cars when they're having brownouts and blackouts NOW because they can't supply enough electricity.