Pumped Hydro Storage

Syllable breakdown

Dictionary meaning

A form of grid-scale energy storage in which water is pumped to an upper reservoir using surplus electricity and then released through turbines to generate power when demand is high. Pumped hydro accounts for over 90% of installed utility-scale energy storage capacity worldwide.

Examples

• The mountainous terrain made the region ideal for pumped hydro storage development.
• Pumped hydro storage can respond to grid demand within seconds, making it invaluable for frequency regulation.