Batang Ai Dam

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Batang Ai Dam is a concrete-faced rockfill hydroelectric dam in Batang Ai National Park, Sarawak, Malaysia. It is located about 150 km southeast of Kuching.

1 Power station
2 Batang Ai Dam
3 Batang Ai Dam technical specifications
4 See also
5 Reference
6 External links

[edit] 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.

[edit] 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.

[edit] 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 x,xxx 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 x,xxx 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 xxx MVA each.

[edit] See also

[edit] Reference

Economic Panning Unit (1996), Bakun – Green Energy For The Future, Kuala Lumpur, Malaysia: Percetakan Nasional Bhd. Page 14 Table 2-1 Batang Ai Dam.