Thoughts on Hydro Power

So, I was doing some research into hydro-electricity… for reasons related to surviving WW3.

Well, well, well… did I learn a few things I had no idea about.

Did you know that every large power grid needs to have some hydro added to it?

This is because coal and nuclear power plants can’t be switched on and off easily. It typically takes two days to switch a coal or nuclear turbine on and off. So the purpose of coal and nuclear plants is to supply the base load of power to the grid: A fixed amount of electricity that’s always in use.

But what happens on a hot summer’s day if everyone goes home and turns on their air conditioning at once? It is impossible for a coal or nuclear plant to increase electrical production on such short notice.

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