U.S. pumped storage hydropower capacity 2020, by state
In 2020, California was the leading U.S. state in terms of pumped storage hydropower capacity, with more than 3.7 gigawatts. Virginia followed, also boasting more than three gigawatts of capacity. At the time, the capacity of pumped hydro storage in the U.S. stood at roughly 22 gigawatts.
