Chris Remington@beehaw.orgM to Technology@beehaw.org · 1 month agoA Finnish town is heating itself with 2,000 tonnes of crushed rock: its giant “sand battery” can cover almost a month of heating demand and has cut district heating emissions by 70%www.cnbc.comexternal-linkmessage-square10linkfedilinkarrow-up192arrow-down10cross-posted to: technology@lemmy.worldglobalnews@lemmy.zipeurope@feddit.org
arrow-up192arrow-down1external-linkA Finnish town is heating itself with 2,000 tonnes of crushed rock: its giant “sand battery” can cover almost a month of heating demand and has cut district heating emissions by 70%www.cnbc.comChris Remington@beehaw.orgM to Technology@beehaw.org · 1 month agomessage-square10linkfedilinkcross-posted to: technology@lemmy.worldglobalnews@lemmy.zipeurope@feddit.org
minus-squarefullsquarelinkfedilinkarrow-up4·1 month agothat’s no problem at all, systems like that are in use
that’s no problem at all, systems like that are in use