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by bunabhucan 861 days ago
>Future GraviStores will store more than 20MWh

https://www.marketscreener.com/quote/stock/ABB-LTD-9365000/n...
1 comments
weebull 860 days ago
In which case, this one is a joke. It stores less than $3,000 worth of electricity (15ยข per kWh).
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