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Pumped hydro storage

Pumped hydro storage

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Pumped hydro storage uses gravity to store energy generated by the power system raising water to a higher altitude, thus storing potential energy in an upper basin. This potential energy is then used to generate electricity when the water returns to its original level in a lower basin, passing through a turbine on the way down. Stored energy capacity can be increased either by using more water involved in the process or by increasing the 'head' - height difference between upper and lower basins.

Chapter Contents:

  • 6.1 General considerations
  • 6.2 The power extraction system
  • 6.3 The central store for pumped hydro
  • 6.4 Dinorwig
  • 6.5 Gravity energy storage
  • 6.5.1 Advance rail energy storage
  • 6.5.2 Gravity power module/plant
  • 6.5.3 Benefits of gravity energy storage

Inspec keywords: hydroelectric power; hydraulic turbines; pumped-storage power stations

Other keywords: energy generated storage; power system; pumped hydro storage; stored energy capacity

Subjects: Pumped storage stations and plants

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