Energy Storage Realizes Key Player in Hydro-Power

This article was originally published on pnnl.gov on October 31, 2019. Today, nearly 173 gigawatts of energy storage are deployed across the world to balance the demands on the power grid. Pumped-storage hydropower (PSH) accounts for 98 percent of that capacity, making it the most leveraged form of energy storage available as well as the most cost-effective option, […]