Batang Ai Dam

Batang Ai Dam is a concrete-faced rockfill hydroelectric dam in Batang Ai National Park, Sarawak, Malaysia. It is located at Lubok Antu.

Power station

The power station is a hydroelectric power station, using 4 turbines of 25 MW installed capacity. The station is operated by Sarawak Electricity Supply Corporation.

Batang Ai Dam

Planning for the dam started in 1975 and designed in 1977. Construction started 1982 with the river diversion work and the last turbine completed in 1985.

Batang Ai Dam technical specifications

The permanent dam components are as follows:
*Main Dam
**Maximum height above foundation of 110m, and crest length of x00m, volume of fill is xx.xx million cubic meters.
**Crest elevation is xxx m above sea level (ASL), maximum flood level is xxx m, operating levels maximum xxx m and minimum xxx m.
**Reservoir area at xxx m ASL is 24 km², and with a catchment area of 1, 200 km². Storage volume is 750 million cubic meters.
*Power Intake Structure - 4 bays.
*Spillway- gated concrete weir with xxx m chute and flip bucket, with capacity of 2,438 cubic meter per second.
*Power Tunnels - 4 tunnels.
*Powerhouse
**surface powerhouse with 4 levels.
**with 4 penstocks to powertrains comprising 4 turbines of 25 MW each, 4 air-cooled generators of xxx MVA each and 4 transformers of 250 MVA each.

ee also

*National Grid, Malaysia
*Sarawak Electricity Supply Corporation

References

Harvard reference | Surname=Economic Panning Unit | Given= | Title=Bakun – Green Energy For The Future | Publisher=Percetakan Nasional Bhd | Place=Kuala Lumpur, Malaysia | Year=1996 | . Page 14 Table 2-1 Batang Ai Dam.

External links

Sarawak Electricity Supply Corporation webpage [http://www.sesco.com.my/sesco/english/]