Lugh@futurology.todayM to Futurology@futurology.todayEnglish · 3 months 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-up122arrow-down10cross-posted to: technology@lemmy.worldeurope@feddit.org
arrow-up122arrow-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 · 3 months agomessage-square9linkfedilinkcross-posted to: technology@lemmy.worldeurope@feddit.org
minus-squareThePantser@sh.itjust.workslinkfedilinkEnglisharrow-up1·3 months 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.