It's a weird country, they do things differently there. You and I may think they're bonkers but from my visits the locals seem to think it's just fine. You've been more recently than I.
That turning off hot water for homes whether you like it or not would (ironically) have my piss boiling.
The real worry is the UK isn't that far from a very similar position, only two coal stations left, our local nuclear power station was shut down earlier this year (it was knackered) leaving us even more dependent on fickle winds and even fickler EU/EEA supplied power.