3
2
1
3
The electricity produced is delivered back into the grid. This technology is reliant on topographical features for its deployment
2
During peak demand the energy is recovered by allowing the water to flow back through turbines to produce power
1
Excess or off-peak power is used to pump water from a lower reservoir to an upper reservoir, usually up a mountain
Powerplant
and turbines
Low-level
loch or basin
High-level
reservoir
3
3
The electricity produced is delivered back into the grid. This technology is reliant on topographical features for its deployment
2
During peak demand the energy is recovered by allowing the water to flow back through turbines to produce power
1
Excess or off-peak power is used to pump water from a lower reservoir to an upper reservoir, usually up a mountain
2
1
Powerplant
and turbines
Low-level
loch or basin
High-level
reservoir