poVoq@slrpnk.netM to Green Energy@slrpnk.netEnglish · 1 month agoFinland warms up the world’s largest sand battery, and the economics look appealingtechcrunch.comexternal-linkmessage-square19fedilinkarrow-up1169arrow-down10cross-posted to: hackernews@lemmy.bestiver.se
arrow-up1169arrow-down1external-linkFinland warms up the world’s largest sand battery, and the economics look appealingtechcrunch.compoVoq@slrpnk.netM to Green Energy@slrpnk.netEnglish · 1 month agomessage-square19fedilinkcross-posted to: hackernews@lemmy.bestiver.se
minus-squareChee_Koala@lemmy.worldlinkfedilinkarrow-up21·1 month agoThey report about 10/15% loss when doing heat -> heat. Cost per Kilowatt of storage about 25 euro, compared to 115 if lithium batteries were used.
They report about 10/15% loss when doing heat -> heat. Cost per Kilowatt of storage about 25 euro, compared to 115 if lithium batteries were used.