Green Gravity’s renewable-powered technology stores energy by lifting heavy objects up a mineshaft… It calculates it can store two gigawatt-hours of energy from the sites surrounding Mount Isa.
Green Gravity’s renewable-powered technology stores energy by lifting heavy objects up a mineshaft… It calculates it can store two gigawatt-hours of energy from the sites surrounding Mount Isa.
Don’t forget the generator/engine.
I didn’t claim it was cost or ressource efficient in any way.
That would likely be the winch, but yes, you’ll need a nice large regenerating motor drive.