China built a 40-story tower that stores wind power by stacking concrete
by Ellsworth Toohey from Boing Boing on (#76T2R)
The Swiss company Energy Vault spent years pitching a novel idea: store surplus electricity by using it to stack heavy blocks, then recover the power by letting them fall. Boing Boing covered the skeptics in 2021. The company kept building, and there's now a 148-meter tower in Rudong, Jiangsu doing exactly that with a nearby wind farm. - Read the rest
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