Chris Remington@beehaw.orgM to Technology@beehaw.org · 2 days 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-square11fedilinkarrow-up191cross-posted to: upliftingnews@lemmit.onlinefuturology@futurology.todaynews@beehaw.orgtechnology@lemmy.worldenergy@slrpnk.nettechnology@lemmit.onlineglobalnews@lemmy.zipeurope@feddit.org
arrow-up191external-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 · 2 days agomessage-square11fedilinkcross-posted to: upliftingnews@lemmit.onlinefuturology@futurology.todaynews@beehaw.orgtechnology@lemmy.worldenergy@slrpnk.nettechnology@lemmit.onlineglobalnews@lemmy.zipeurope@feddit.org
minus-squareSwedneck@discuss.tchncs.delinkfedilinkarrow-up2·24 hours agowe don’t even have to build anything new, aside from installing heat pumps which we should be doing anyways for a multitude of reasons such as “i like not dying of heatstroke”. Just overcooling/heating your home when electricity is cheap can effectively store a very significant amount of kWh.
we don’t even have to build anything new, aside from installing heat pumps which we should be doing anyways for a multitude of reasons such as “i like not dying of heatstroke”.
Just overcooling/heating your home when electricity is cheap can effectively store a very significant amount of kWh.