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.
    • SheenSquelcher@lemm.eeEnglish
      4·
      19 hours ago

      The article mentions using greener things like waste and soil.

      And if you were using redundant mine shaft thats greener than building new structures.

      • LodespawnEnglish
        1·
        14 hours ago

        Arguably you could use pumped hydro with the abandoned mine shaft?