Dungowan Pumped Hydro Energy Storage Project
Pumped Hydro Energy Storage
Storing Energy By Using Water
Pumped hydro energy storage (PHES) is a method of storing energy by using water. It involves two reservoirs located at different elevations, typically one at a higher altitude than the other.
During times of excess energy production, such as periods of low demand or high renewable energy generation, surplus electricity is used to pump water from the lower reservoir to the higher one, effectively storing the energy as gravitational potential energy.
When electricity demand rises, water is released from the higher reservoir back to the lower one, passing through turbines that generate electricity as it flows downhill.
PHES Systems
PHES systems are highly efficient and can provide large-scale energy storage capacity, making them valuable assets for balancing the intermittent nature of renewable energy sources and ensuring grid stability.