silence7@slrpnk.net to Green Energy@slrpnk.netEnglish · 1 month agoSolar Has Crossed a Critical Economic Tipping Point | Solar now requires no more upfront capital than coal or gas to produce the same annual electricityoilprice.comexternal-linkmessage-square62linkfedilinkarrow-up1428arrow-down12
arrow-up1426arrow-down1external-linkSolar Has Crossed a Critical Economic Tipping Point | Solar now requires no more upfront capital than coal or gas to produce the same annual electricityoilprice.comsilence7@slrpnk.net to Green Energy@slrpnk.netEnglish · 1 month agomessage-square62linkfedilink
minus-squareLumpenmole@slrpnk.netlinkfedilinkarrow-up1·1 month agoHeat pumps work like this. They pump heat into the ground during hot months, then take some of it back during cold months.
Heat pumps work like this. They pump heat into the ground during hot months, then take some of it back during cold months.