Batang Ai Dam

The Batang Ai Dam is a concrete-face rock-fill dam in Batang Ai National Park in Sarawak, Malaysia. The power station comprises four 25 MW turbines, totalling the installed capacity to 100 MW. The station is operated by Sarawak Electricity Supply Corporation. Preparations for the dam began as early as 1975, before the design was published in 1977. Construction started in 1982 with the river diversion work and the last turbine completed in 1985. The Batang Ai project, a relatively modest dam financed by the Asian Development Bank, caused the displacement of approximately 3,000 people from 26 longhouses. These people have since been accommodated in the Batang Ai Resettlement Scheme to cultivate cocoa and rubber but the programme has not been successful.

Batang Ai Dam
Scenery of water catchment area of Batang Ai Dam
Location of Batang Ai Dam in Malaysia
Coordinates01°08′50″N 111°52′26″E
Construction began1982
Opening date1985
Dam and spillways
ImpoundsBatang Ai River
Height85 m (279 ft)
Length810 m (2,660 ft)
Spillway capacity2,438 m3/s (86,097 cu ft/s)
Reservoir
CreatesBatang Ai Reservoir
Total capacity2,870,000,000 m3 (2,326,747 acre⋅ft)
Inactive capacity1,630,000,000 m3 (1,321,463 acre⋅ft)[1]
Catchment area1,200 km2 (460 sq mi)
Surface area85 km2 (33 sq mi)
Power Station
Operator(s)Sarawak Energy
Turbines4 × 25 MW Francis-type[2]
Installed capacity100 MW

See also

References
  1. "Hydroelectric Power Dams in Sarawak". Sarawak Integrated Water Resources Master Management Plan. Archived from the original on 2012-07-03. Retrieved 7 May 2012.
  2. "Batang Ai Dam Hydroelectric Power Plant". Global Energy Observatory. Retrieved 7 May 2012.

Notes
  • Economic Panning Unit (1996), Bakun – Green Energy For The Future, Kuala Lumpur, Malaysia: Percetakan Nasional Bhd. Page 14 Table 2-1 Batang Ai Dam.
  • Kaur, Amarhit. "A History of Forestry in Sarawak." Modern Asian Studies 32.1 (1998): 117–47.


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