That's an impressive site and I remember it being posted to HN recently, but it's a bit overwhelming. I guess the message is that you can do pumped hydro almos

That's an impressive site and I remember it being posted to HN recently, but it's a bit overwhelming. I guess the message is that you can do pumped hydro almost anywhere that hills exist, but there must be some "best sites" that get you the most energy storage with the least cost.