China’s towering EVx project uses 24-ton blocks to store excess power, raising them when energy is cheap and letting them fall at will.
  • Lodespawn@aussie.zoneEnglish
    1·
    9 hours ago

    I believe the argument against solid block gravity batteries is that you can achieve the same thing with water by using old mines or even just digging a 40story hole. If you have room for the 40 story tower then you have room for a more efficient pumped hydro hole.