That is 100% correct. Energy is never enough. Increase production capacity and people will adjust their lifestyle accordingly and they will not go back.
>>people would say that at some point it’ll get so cheap that it won’t be worth running a meter to track customer usage
A similar case was made about automation. On the first half of the XX century people argued that by year 2000 we would only need to work 1 hour a day, because machines would do the rest. How that turned out? So i'm always very suspicious of arguments where the future holds some sort of cornucopia.