Lower Sre Pok 2 Dam

The Lower Se San/Sre Pok 2 scheme is a proposed hydroelectric dam to be located in Stung Treng Province, Cambodia on the Tonle Sre Pok some 2 kilometres (1.2 mi) upstream of its confluence with the Se San, and about 37 kilometres (23 mi) upstream of the confluence of the combined Sre Pok, Se San and Se Kong rivers with the Mekong mainstream.

Lower Sre Pok 2 Hydropower Dam
CountryCambodia
LocationTonle Sre Pok
StatusProposed
Opening date2018[1]
Construction costUS$338.9 million[2]
Owner(s)EVN
Dam and spillways
Type of damRun-of-river[3]
ImpoundsSre Pok River
Height25 m (82 ft)[3]
Reservoir
Total capacity0.42 km3 (340,000 acre⋅ft)[3]
Catchment area30,620 km2 (11,820 sq mi)[2]
Surface area120 km2 (46 sq mi)[2][3]
Power Station
Installed capacity222 MW (298,000 hp)[3] (max. planned)
Annual generation1,174 GWh (4,230 TJ)[3]

Prefeasibility Study, the project aims to construct and operate an installed capacity 222 megawatts (298,000 hp) low head hydroelectric generating facility on the Sre Pok River, generating annually 1,060 GWh (3,800 TJ), run-of-river dam, reservoir 120 square kilometres (46 sq mi) Main components include construction of a concrete gravity dam, the powerhouse and generating equipment, environmental and social mitigation measures, and the 220-kV transmission line to Stung Treng and onwards to the Vietnamese border to interconnect with the Vietnamese grid backbone.

The scheme has a much smaller reservoir area (120 square kilometres (46 sq mi)) than the Lower Se San 2 site (355 square kilometres (137 sq mi)) and consequently a lesser environmental impact. The number of inhabitants in the reservoir area for resettlement is also significantly less. The dam is low in height, but could still have a significant impact on navigation and fish migration, which is a particular concern at all sites in this area. Allowances have been made in the scheme design and cost estimate for mitigation of these impacts, so far as is possible.

Per MIME report to RPTCC-4 meeting (Yangon, Sept. 2005), commissioning of 222 MW Lower Sre Pok HPP will be in 2017.

Impact: Up to 1000 people may rewire resettlement.[4]

See also

References
  1. Cambodia National Mekong Committee National Sector Review 2003: Hydropower
  2. Se Kong-Se San and Nam Theun river basins hydropower study final report (PDF) (Report). 5. Halcrow Group. July 1999. Retrieved 2012-07-19.
  3. Environmental Impact Assessment on the Cambodian part of the Srepok River due to hydropower development in Vietnam (PDF) (Report). SWECO Grøner. November 2006. p. 38. Archived from the original (PDF) on 2013-05-15. Retrieved 2012-07-19.
  4. http://ss.adb.org/?cx=003580287232275984586%3A28nh6wpajf4&q=Pre+Liang+2+hydropower&sa=Search

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