Fair points. Perhaps I was a little overzealous with that statement, I'm not going to change it as it's critical (by incorrect) to this discussion.

The problem, as I understand it, is with the condition of the grid, not its capacity. I know homes in London who literally have flickering lights and power issues as a regular occurrence, I've experienced it myself, it's large cities like London which would benefit most from complete electrification of vehicles and the supplies and equipment is ageing.

With tenders being awarded to those who claim to be the most carbon-neutral (National Grid's words) as opposed to actually providing high quality equipment (warning: my opinion), I foresee the problem worsening.