The Andekaleka Dam is a gravity dam on the Vohitra River near Andekaleka in eastern Madagascar. The primary purpose of the dam is hydroelectric power generation and it diverts water from the Vohitra east into a 4 km (2.5 mi) headrace tunnel where it reaches a 91 MW underground power station. After water charges the turbine-generators it travels down a 500 m (1600 ft) tailrace tunnel before it reenters the Vohitra River.
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