Switzerland dug a hole the size of two soccer fields to install the world’s most powerful underground battery, able to release 1.2 GW in milliseconds and store 2.1 GWh at a multibillion-dollar price tag
www.ecoticias.com
Switzerland’s giant underground battery could reshape Europe’s power grid with 1.2 GW released in milliseconds.
  • frongt@lemmy.zipEnglish
    13·
    20 days ago

    Strictly speaking zero depth, but to build one you need at least some amount of surface to stand on. A good one has grass, which needs a few inches of soil, but a really good one also has crushed stone and other layers before that.