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☆ Yσɠƚԋσʂ ☆@lemmy.ml to Technology@lemmy.mlEnglish · 9 days ago

China built a 40-story tower that stores wind power by stacking concrete

boingboing.net

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  • technology@midwest.social
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China built a 40-story tower that stores wind power by stacking concrete

boingboing.net

☆ Yσɠƚԋσʂ ☆@lemmy.ml to Technology@lemmy.mlEnglish · 9 days ago
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  • cross-posted to:
  • technology@midwest.social
A 148-meter tower in Jiangsu stores 100 MWh by hoisting 35-ton concrete blocks with surplus wind power.
  • ☆ Yσɠƚԋσʂ ☆@lemmy.mlOP
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    9 days ago

    right, it only makes sense if you do it at large scale

    • TropicalDingdong@lemmy.world
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      8 days ago

      it only makes sense if you do it at large scale

      Or rather, it specifically might NOT make sense at scale. It might only make sense in middle scales, where there isn’t a topographic advantage to use, but the requirement is more than batteries can support.

      • ☆ Yσɠƚԋσʂ ☆@lemmy.mlOP
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        8 days ago

        What I meant is that you need to build a unit of a certain size before it becomes efficient enough to be practical.

        • TropicalDingdong@lemmy.world
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          8 days ago

          Yes, I agree. I’m just making the point that there isn’t just a lower limit to the scale for a system like this, but an upper limit too, where you would have been better off just building a dam.

          • ☆ Yσɠƚԋσʂ ☆@lemmy.mlOP
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            8 days ago

            Yeah for sure.

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