But that's exactly the point. If you assume civilization is going to move forward worldwide and that we will find a way to implement the goals you lay out than we're going to need massive amounts of power. Because third world countries that used little to no power are suddenly going to be approaching our levels of power consumption.

At the same time we will inevitably move forward ourselves with automations (most notably in robotics). So while all those other countries will be reaching our current levels we'll be doubling or tripling our power consumption to keep up with the automation.

Bottom Line: I can't imagine a scenario where we wouldn't exhaust our current ability to produce power