poVoq@slrpnk.netM to Green Energy@slrpnk.netEnglish · 10 days agoFinland warms up the world’s largest sand battery, and the economics look appealingtechcrunch.comexternal-linkmessage-square20linkfedilinkarrow-up1176arrow-down10cross-posted to: [email protected][email protected][email protected]
arrow-up1176arrow-down1external-linkFinland warms up the world’s largest sand battery, and the economics look appealingtechcrunch.compoVoq@slrpnk.netM to Green Energy@slrpnk.netEnglish · 10 days agomessage-square20linkfedilinkcross-posted to: [email protected][email protected][email protected]
minus-squareperestroika@slrpnk.netlinkfedilinkarrow-up2·9 days agoThey use resistive heating, so they can only charge it dirt cheap when there is surplus solar or wind.
minus-squareHirom@beehaw.orglinkfedilinkarrow-up1·9 days agoOkay, I guess the heat pumps aren’t suitable due to the economics or maybe cannot reach high enough temperatures.
minus-squareperestroika@slrpnk.netlinkfedilinkarrow-up1·7 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.