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A comment on Europe's deepest mine to become giant gravity battery. Parent comment

Re:Europe's deepest mine to become giant gravity battery by bunabhucan on Wednesday February 07, 2024 @08:02PM (#39296526)
>Future GraviStores will store more than 20MWh

https://www.marketscreener.com/quote/stock/ABB-LTD-9365000/n...

[ Parent | on HN ]
Re:Europe's deepest mine to become giant gravity battery by weebull on Thursday February 08, 2024 @02:10PM (#39306155)
In which case, this one is a joke. It stores less than $3,000 worth of electricity (15¢ per kWh).
[ Parent | on HN ]