Comment by NickM

I don’t think most people advocate for indefinite growth of energy usage; when people talk about sustainability of growth they are typically referring to economic growth. This has often been correlated with energy usage in the past but there’s nothing that says it has to be that way, and indeed there are a number of countries that have shown that decoupling the two is possible: https://ourworldindata.org/energy-gdp-decoupling