> It might be sufficient for one million small efficiency apartments, assuming they are well built, equipped with modern appliances and not over occupied So I

> It might be sufficient for one million small efficiency apartments, assuming they are well built, equipped with modern appliances and not over occupied So I live in a small, not especially energy-efficient Victorian-era London apartment with my partner, without fancy appliances. The boiler is gas-powered but the cooker is electric. And last month we averaged about 6-7 KwH/day, and this was working from home 90% of the time.