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-square19linkfedilinkarrow-up1177arrow-down10cross-posted to: tech@lemmit.onlinefuturology@futurology.todaytechnology@piefed.socialhackernews@lemmy.bestiver.se
arrow-up1177arrow-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-square19linkfedilinkcross-posted to: tech@lemmit.onlinefuturology@futurology.todaytechnology@piefed.socialhackernews@lemmy.bestiver.se
minus-squareperestroika@slrpnk.netlinkfedilinkarrow-up2·1 month agoThey use resistive heating, so they can only charge it dirt cheap when there is surplus solar or wind.
minus-squareHirom@beehaw.orglinkfedilinkarrow-up1·1 month agoOkay, I guess the heat pumps aren’t suitable due to the economics or maybe cannot reach high enough temperatures.
minus-squareperestroika@slrpnk.netlinkfedilinkarrow-up1·30 days agoAs much as I’ve understood, yes - heat pumps have difficulty with reaching high 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.
As much as I’ve understood, yes - heat pumps have difficulty with reaching high temperatures.