1657
you are viewing a single comment's thread
view the rest of the comments
[-] thisbenzingring@lemmy.sdf.org 32 points 7 months ago

We need natural batteries like solar power lifting water from a lake into a reservoir so that when we need that energy and the sun isn't making it, released water does

[-] jol@discuss.tchncs.de 26 points 7 months ago

A cubic meter of water above your roof has the storing capacity of a AAA cell. That's why you need huge, massive damms to store any significant amount of power. But unfortunately it's not flexible enough (you need mountains nearby) or dense enough.

[-] antrosapien@lemmy.ml 3 points 7 months ago

What about storing energy as potential energy using some high density objects. This may work.. Right?? gravitricity Check out their work.

[-] jol@discuss.tchncs.de 3 points 7 months ago

It's slithly better the more dense the material, but that's basically the same thing. You could say that depending on the location, using water is much more practical.

A much more interesting one I saw was the molten salt ones, where basically you store the energy as heat in a sealed place, and then when you need it, you use that heat to run turbines.

[-] amelore@slrpnk.net 3 points 7 months ago* (last edited 7 months ago)

Yes, suspended weights, also spinning flywheels, hot salt, hot sand
There's options besides pumped hydro, hydrogen and batteries

[-] shaman1093@lemmy.ml 1 points 7 months ago

Interesting concept, thanks for sharing

[-] capital@lemmy.world 1 points 7 months ago

I don’t think it’s feasible.

https://youtu.be/XxGQgAr4OCo

load more comments (1 replies)
load more comments (6 replies)
this post was submitted on 09 Apr 2024
1657 points (96.0% liked)

Solarpunk

5393 readers
63 users here now

The space to discuss Solarpunk itself and Solarpunk related stuff that doesn't fit elsewhere.

What is Solarpunk?

Join our chat: Movim or XMPP client.

founded 2 years ago
MODERATORS