poVoq@slrpnk.netM to Green Energy@slrpnk.netEnglish · 18 hours agoFinland warms up the world’s largest sand battery, and the economics look appealingtechcrunch.comexternal-linkmessage-square13linkfedilinkarrow-up1132arrow-down10cross-posted to: futurology
arrow-up1132arrow-down1external-linkFinland warms up the world’s largest sand battery, and the economics look appealingtechcrunch.compoVoq@slrpnk.netM to Green Energy@slrpnk.netEnglish · 18 hours agomessage-square13linkfedilinkcross-posted to: futurology
minus-squareHirom@beehaw.orglinkfedilinkarrow-up2·8 hours ago Pornainen’s battery is charged using electricity from the grid How so, do they use heater resistors or a heat pump? Electricity may be cheap sometimes but still, heater resistors aren’t the most efficient.
How so, do they use heater resistors or a heat pump?
Electricity may be cheap sometimes but still, heater resistors aren’t the most efficient.