poVoq@slrpnk.netM to Green Energy@slrpnk.netEnglish · 20 天前Finland warms up the world’s largest sand battery, and the economics look appealingtechcrunch.comexternal-linkmessage-square18fedilinkarrow-up1172arrow-down10
arrow-up1172arrow-down1external-linkFinland warms up the world’s largest sand battery, and the economics look appealingtechcrunch.compoVoq@slrpnk.netM to Green Energy@slrpnk.netEnglish · 20 天前message-square18fedilink
minus-squareperestroika@slrpnk.netlinkfedilinkarrow-up2·19 天前They use resistive heating, so they can only charge it dirt cheap when there is surplus solar or wind.
minus-squareHirom@beehaw.orglinkfedilinkarrow-up0·19 天前Okay, I guess the heat pumps aren’t suitable due to the economics or maybe cannot reach high enough temperatures.
They use resistive heating, so they can only charge it dirt cheap when there is surplus solar or wind.
Okay, I guess the heat pumps aren’t suitable due to the economics or maybe cannot reach high enough temperatures.