Lugh@futurology.todayM to Futurology@futurology.todayEnglish · 4 days agoFinland builds the world's largest sand battery. Site can cheaply store energy for entire month. No "rare earths" or critical materials used. Estimated at $25/KWhwww.cnbc.comexternal-linkmessage-square9linkfedilinkarrow-up184arrow-down10cross-posted to: technology@lemmy.worldnews@beehaw.orgeurope@feddit.orgglobalnews@lemmy.ziptechnology@lemmit.online
arrow-up184arrow-down1external-linkFinland builds the world's largest sand battery. Site can cheaply store energy for entire month. No "rare earths" or critical materials used. Estimated at $25/KWhwww.cnbc.comLugh@futurology.todayM to Futurology@futurology.todayEnglish · 4 days agomessage-square9linkfedilinkcross-posted to: technology@lemmy.worldnews@beehaw.orgeurope@feddit.orgglobalnews@lemmy.ziptechnology@lemmit.online
minus-squareThePantser@sh.itjust.workslinkfedilinkEnglisharrow-up4·4 days agoIt should only get cheaper with time though. How much degradation can you expect with sand. I do wonder what is the ROI on this kind of thing.
It should only get cheaper with time though. How much degradation can you expect with sand. I do wonder what is the ROI on this kind of thing.