solo@slrpnk.net to Green Energy@slrpnk.net · 2 months agoWe went to Finland to hear about the new 'sand battery' that will turn stored renewable energy back into power for the electrical gridwww.livescience.comexternal-linkmessage-square4linkfedilinkarrow-up151
arrow-up151external-linkWe went to Finland to hear about the new 'sand battery' that will turn stored renewable energy back into power for the electrical gridwww.livescience.comsolo@slrpnk.net to Green Energy@slrpnk.net · 2 months agomessage-square4linkfedilink
minus-squareKorhaka@sopuli.xyzlinkfedilinkEnglisharrow-up1·1 month agoI am kinda curious what sort of capacity and self discharge various forms of thermal battery have. How well insulated is a typical hot water cylinder? Then I often start thinking of various DIY heating options involving fire.
I am kinda curious what sort of capacity and self discharge various forms of thermal battery have. How well insulated is a typical hot water cylinder? Then I often start thinking of various DIY heating options involving fire.