The Importance of Gravitational Energy Storage

An example that we just decided to kill entirely from our search was gravitational energy storage. This was one where just the energy density was so low that we didn't see a future for it. Most of the good sites to do that, most of the good places where you can put a dam and have two reservoirs that are really different in height over just a few miles away from each other. So like a good idea, but not a lot of room to do new stuff there.