Where does your “should” come from? To my understanding, that’s very close to the current level[1]. So are you saying “here but no further” (and if so, why he

Where does your “should” come from? To my understanding, that’s very close to the current level[1]. So are you saying “here but no further” (and if so, why here rather that, say, 1980 levels?). What would be your preconditions for significantly higher energy usage? [1] - https://en.m.wikipedia.org/wiki/Kardashev_scale https://en.m.wikipedia.org/wiki/Kardashev_scale