Modern coal fired power plants are much cleaner than those that contributed to acid rain.

You seriously believe coal fired power hasn’t evolved in the last 40 years?

You’re saying that renewables are cheap but only if you include gravity storage.

What gravity storage? The only useful one is pumped hydro, and that works approximately nowhere because of a lack of suitable geography.

Australia’s Snowy 2.0 pumped hydro is on track to cost an infinite amount and / or be finished never.