You obviously don't have 3 power hungry teens and 20s kids who have never heard the phrase "turn it the f*** off when you're not using it...."
It really doesn't help that Number 1 son had a house share at Uni where it was bills inc.
Their idea of a thermostat was leaving the heating on full blast 24/7 and if it gets too hot, to open a window. Lights were never switched off except bedroom lights at night.
Got the unenviable task of yelling at, I mean teaching them that power prices are going to skyrocket and to turn lights and stuff off when they're not being used.
And a note to me to reduce TD usage.