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Nevada put big battery energy storage where a coal plant used to be (electrek.co)

submitted 6 months ago by vividspecter@lemm.ee to c/energy@slrpnk.net

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[–] rhythmisaprancer@kbin.social 5 points 6 months ago (2 children)

The Company's comprehensive offerings include proprietary gravity-based storage, battery storage, and green hydrogen energy storage technologies.

It looks like they used lithium ion batteries for this but I'm not confident in that. I only poked around their website a little, tho. I'm curious what gravity based would look like. Maybe I should poke around more!

[–] ABasilPlant@lemmy.world 8 points 6 months ago (1 children)

https://youtu.be/6Jx_bJgIFhI

Tom Scott: Britain's largest battery is actually a lake

[–] rhythmisaprancer@kbin.social 3 points 6 months ago

That's really cool! I'm not sure where this fits in on the renewable spectrum (i could have missed it) but I haven't heard about this. Thanks for sharing!

[–] Melkath@kbin.social 4 points 6 months ago (3 children)

Isn't gravity based the thing where the mechanism is, crudely, a rock tied to a rope gets lifted, then the mechanism locks it, and when energy is needed the lock releases, dropping the rock and spinning the turbine?

Takes more energy to lift the rock, but the lock costs almost no energy, and when energy depletes, the lock releases, drops the rock, and offers reserve energy.

Basically all electricity generation, but a rock and a rope.

[–] halcyoncmdr@lemmy.world 6 points 6 months ago

Hydroelectric Dams are a gravity based battery. Crudely, water falling spins the turbine generating electricity. One of the few power generating methods that doesn't involve first turning water to steam to spin the turbine.

[–] cucumber_sandwich@lemmy.world 5 points 6 months ago

There's several gravity based things. Some lift a piston of rock, some drop weights down old mine shafts...

[–] rhythmisaprancer@kbin.social 4 points 6 months ago

Maybe? I've also read about using water storage. I really don't know much about using gravity.