• Dessalines@lemmy.ml
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    20 hours ago

    Pumped water storage is kinda a gravity battery, and it’s currently the largest stored energy source for most countries.

    • ☆ Yσɠƚԋσʂ ☆@lemmy.mlOP
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      20 hours ago

      Yeah, they mention it in the vid. It’s the exact same principle, but this way you can do it anywhere without needing a large body of water near by.

      • Dessalines@lemmy.ml
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        20 hours ago

        Watched the vido now. Seems these gravity battery facilities might not be as efficient (80% to pumped hydro’s 90%), but you can construct them anywhere, and don’t need a mountainous land area nearby. Nice.