> It seems quite obvious to me that it will be cheaper The New Zealand government estimates that a gravity storage scheme with a capacity of 5TWh would cost 14

> It seems quite obvious to me that it will be cheaper The New Zealand government estimates that a gravity storage scheme with a capacity of 5TWh would cost 14 billion NZ dollars to construct. https://www.mbie.govt.nz/building-and-energy/energy-and-natural-resources/low-emissions-economy/nz-battery/lake-onslow-option/ https://www.mbie.govt.nz/building-and-energy/energy-and-natu...