Again, we can use the water for things, and water is something we can get more of one way or another.
A 2.5x multiplier doesn’t seem as worth it to me, especially when we can do stuff like add hydrothermal storage to that number easily, among other things.
It’s 2.5x heavier than water so can produce 2.5x the power for any given volume.
We have a lot of hydroelectric. But we don’t have the mountains to build much of it.
Again, we can use the water for things, and water is something we can get more of one way or another.
A 2.5x multiplier doesn’t seem as worth it to me, especially when we can do stuff like add hydrothermal storage to that number easily, among other things.
We can get plenty of water. We can’t get plenty of suitable sites.
If the water leaks we can shrug our shoulders.
If the calcium carbonate slurry leaks we will feel more awkward.