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Waterways

 

A 5-km long headrace channel has been excavated in the reservoir floor to direct the stored water to the intake structure. Three kilometres of headrace tunnel, pressure shaft and pressure tunnel transport water from the intake structure to the power station. After passing through the turbines the water enters the Regulating Pond, which has a live storage capacity of 8 million m3, allowing the Project to control releases of water back into the natural river system. The Regulating Dam releases water into a 27-km man-made Downstream Channel, which carries its flow to the Xe Bang Fai River.