this post was submitted on 02 Aug 2025
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We have used water before lithium, and it isn't bad at all.
Not so great in a flat dry desert though. Pump storage is great when there is lots of water and a naturally occurring elevation, but there's lots of places on Earth that don't have that, but do have energy to store.
Hopefully you are free not to live there...
Middle east would like a word with you.
Middle-East involves plenty of mountainous areas, and the reason many of those are arid is because water, ahem, flows down.
Also in a flat dry desert one can replace pumping water up with raising heavy things up. I think. More wear though.
Not what I was replying to my dude.
Pumped hydro?
Also very good, but geographically limited.
And very destructive for the local environment
Not sure why you're getting down voted, as you're sadly correct here
Still better then many alternatives, but it's not as environmental friendly as it's advertised