@velartrill If you want energy use to go down, energy /prices/ have to increase.
Efficiency /buys more power expenditure/, because it effectively /lowers prices/.
Wm. Stanley Jevons, 1860s. The Jevons paradox.
We've made computers millions of times more efficient over the past 40 -50 years. That hasn't /reduced/ the number of computers or amount of computation, it's /increased/ it. And ... for comparatively little upside.