Three things about water affect almost all of cooking. First are the hydrogen bonds, which is why it has an incredibly high boiling point. Another is that it's a polar molecule, so that it dissolves a lot of things, and there are things that won't mix with it. And then there's how much energy it takes to heat water.
One of the ugly secrets of the renewable-energy industry is that its products make no economic sense unless they are highly subsidized.
Nuclear energy is a baseload - meaning it's power that you can run any time you want, day or night - and carbon-free.
