03/06/2013
https://www.congress.gov...
"The topic this morning, grid-scale energy storage has the potential to transform the way that we generate and receive electricity."
"I think you said about 70 percent efficiencies, but then you are losing 30."
"We don't want to become addicted to imported rare earths in the same way that we have for oil."
"In my opening comments, I mentioned specifically my interest in the pumped hydro and recognized that it has been the workhorse for utility-scale energy storage."