Power Plants Create Giant Water Battery

California is a leader in renewable energy, and the state has pledged to use only clean sources for electricity, including wind and solar power, by 2045.  One hurdle is energy storage, but as we hear from Mike O’Sullivan, an old solution involving water, and improving battery technology, may help the state reach its goal of zero emissions.
Originally published at – https://morigin.voanews.eu/a/power-plants-create-giant-water-battery-/4986087.html