Iceland has so much extra hydro and geothermal power that they built an aluminium plant just to use the excess.
But that's hardly something that applies to the rest of the world. On a global level hydro and geothermal energy is maxed out, every usage that practical is already being done.
But that's hardly something that applies to the rest of the world. On a global level hydro and geothermal energy is maxed out, every usage that practical is already being done.