Energy Density of Gravity storage is too small to work with smaller installations. Investment is high. The future of renewable energy is obviously Solar PV, wi

Energy Density of Gravity storage is too small to work with smaller installations. Investment is high. The future of renewable energy is obviously Solar PV, with Wind and other offsetting to some extent, but Solar is predictable, cheap to build and easy to maintain. I really wish there was more thrust into carbon capture and conversion to fuel with Solar power.