Gariuai Hydroelectric Plant

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Gariuai Hydroelectric Plant
Gariuai Hydroelectric Plant is located in East Timor
Gariuai Hydroelectric Plant
Location of Gariuai Hydroelectric Plant
Country East Timor
Location Gariuai, Baucau District
Coordinates 8°34′37.25″S 126°25′34.50″E / 8.5770139°S 126.4262500°E / -8.5770139; 126.4262500Coordinates: 8°34′37.25″S 126°25′34.50″E / 8.5770139°S 126.4262500°E / -8.5770139; 126.4262500
Status Operational
Construction began 2006
Commission date November 2008
Construction cost US$1.4 million
Owner(s) HydroTimor
Power generation
Units operational 1 x 326 kW Pelton-type
Nameplate capacity 326 kW
Annual generation 1,452,000 kWh

The Gariuai Hydroelectric Plant is a run-of-the-river micro hydro power plant located in the town of Gariuai in Baucau District, East Timor. It is the only operational hydroelectric power station in the country. In order to reduce dependency on diesel generators, sites were surveyed in 2004 in Baucau District for a hydroelectric power plant. Two streams, Builai and Wainalale were selected to provide water to the power station. Construction began in 2006. A 2 m (6.6 ft) tall embankment dam was constructed on Builai stream and a second 1 m (3.3 ft) high dam was built on Wainalale stream. Connecting the dams to the power station is 2,200 m (7,200 ft) of penstock. A single 326 kW Pelton turbine-generator is located in the power station which was commissioned in November 2008. The elevation between the reservoirs and the power station affords a hydraulic head of 196 m (643 ft). The project cost US$1.4 million which was funded by a grant from the Norwegian Water Resources and Energy Directorate.[1][2]


  1. ^ "Hydroelectric Power Plants in Asia-Pacific - other". IndustCards. Retrieved 20 April 2014. 
  2. ^ Hoeiseth, Jan (October 2007). "Gariuai Mini HEP: The First Hydroelectric Plant in a New Country". International Conference on Small Hydropower. Retrieved 20 April 2014.