Seems like a novel take on the same principal behind pumped storage hydro systems. But, at a max of 80MWh of storage, you'd need hundreds of them to match a sin

Seems like a novel take on the same principal behind pumped storage hydro systems. But, at a max of 80MWh of storage, you'd need hundreds of them to match a single pumped hydro facility, which often have 10,000+ MWh of storage.