Making Solar Power Competitive with Coal

[Yavapai]

7. They say that pumped hydro is one of the best.

The issue is that it requires elevation and that can be a problem in places like Kansas. There is a lack of suitable sites.

They mention a project in southern California, where they will use an abandoned open pit iron mine (Eagle Mountain) and use it for that purpose. The Republicans in California wanted to use the mine as a huge landfill that would have very probably leaked into the aquifer was frightening.
The article shows the cons to molten sodium is that it is expensive, and hard to hold energy for long periods, but it can be sited anywhere and is efficient, cost effective and highly reliable.

Renewable energy and its storage technologies hopefully will become much higher on our list of national priorities, replacing "drill baby drill and contraceptive usage..