Location of Xayaburi Dam in Laos
| |
Country
| |
|---|---|
Location
| |
Coordinates
| |
Status
|
Under construction
|
Construction began
|
2012
|
Opening date
|
2020[1]
|
Construction cost
|
US$3.8 billion
|
Owner(s)
| |
| Dam and spillways | |
|---|---|
Impounds
| Mekong |
Height
| 32.6 m (107 ft) |
Length
| 820 m (2,690 ft) |
Spillway type
| 10 x radial gates |
Spillway capacity
| 3,980 m3/s (141,000 cu ft/s) |
| Reservoir | |
|---|---|
| Total capacity | 1.3 km3(1,100,000 acre·ft)[2] |
| Catchment area | 272,000 km2(105,000 sq mi) |
| Surface area | 49 km2 (19 sq mi) |
| Power station | |
|---|---|
| Hydraulic head | 18 m (59 ft) (rated) |
| Turbines | EDL: 1 × 60 MW EGAT: 7 x 175 MW |
| Installed capacity | 1,285 MW[2] (max. planned) |
ປະຫວັດຄວາມເປັນມາຂອງເຂື່ອນໄຟຟ້ານ້ຳຂອງ ໄຊຍະບູລີ
- ເນື້ອທີ່ອ່າງຮັບນ້ຳ: 272,000 ກມ2
- ເນື້ອທີ່ອ່າງ: 49 ກມ2
- ຄວາມສູງເຂື່ອນ: 32,6 ມ
- ຄວາມຍາວເຂື່ອນ: 820 ມ
- ຄວາມສູງເສົານ້ຳມີປະສິດທິພາບ: 18 ມ
- ກຳລັງຕິດຕັ້ງ: 1285 ເມັກກາວັດ (ໄຟຟ້າລາວ 1x60ເມັກະວັກ, ອີແກັດ 7x175 ເມັກກາວັດ
- ມູນຄ່າກໍ່ສ້າງ: US$3.8 billion
- ເຈົ້າຂອງໂຄງການ: ບໍລິສັດ ຊໍການຊ່າງ ມາຫາຊົນ
- ຜູ້ກໍ່ສ້າງ: 1. ວິຈິດພັນ (ປະເທດໄທ) ຮັບເຫມົາຍ່ອຍ ບໍລິສັດ ວຽງຈັນເຕັກໂນ່ກໍ່ສ້າງຈຳກັດ (ວຽງຈັນພັດທະນາ) 2. ບໍລິສັດໄລ້ເທນແນວລີ່ງ ຈຳກັດ (ປະເທດໄທ) ຮັບເຫມົາຍ່ອຍ ວຽງຈັນເຕັກໂນ່ກໍ່ສ້າງ ແລະ ຜູ້ຮັບເຫມົາທີ່ບໍ່ເປັນບໍລິສັດ
On 4 May 2007, the Lao government signed a memorandum of understanding with Thailand's CH. Karnchang Public Company for the development of this hydropower project. The formal project development agreement followed in November 2008, and a feasibility study was conducted that same year by Swiss-based AF Colenco and Thai TEAM consultants. The environmental impact assessment was submitted in February 2010. In July 2010, a memorandum of understanding for power purchase was signed between the Electricity Generating Authority of Thailand (EGAT) and the Lao government.[7]
According to the 1995 Mekong Agreement, the project is subject to the Mekong River Commission (MRC) Procedures for Notification, Prior Consultation, and Agreement. Under this agreement, the project's host country must notify the governments of the other signatories, namely Cambodia, Thailand, and Vietnam. The process was initiated in September 2010. It is the first project initiated through a regional decision-making process.[7][8]
On 19 April 2011, the MRC Joint Committee announced that the MRC countries could not reach a consensus on how to proceed with the project, and agreed that a decision on the prior consultation process be tabled for consideration at the ministerial level.[citation needed] However, in June 2011, the Laos Government gave the Thai developer CH. Karnchang the go-ahead to resume work on the Xayaburi Dam, informing the company that the Mekong River Commission's decision-making process was completed.[9] Prashanth Parameswaran, a former researcher at theProject 2049 Institute, who is conducting research on dam projects in Southeast Asia, warned, "Laos' actions not only represent a breach of trust, but threaten to undermine already fledgling efforts at regional cooperation in an ecosystem that supports the livelihoods of tens of millions of people."[10]
Dam construction was reported to have begun on 15 March 2012 after CH. Karnchang announced on 17 April 2012 they signed a US$2 billion contract with the Xayaburi Power Company.[11] Preliminary construction (roads, bridges, support facilities) had accelerated in the prior few months.[12] Cambodia's government immediately reacted to the announcement, threatening to take Laos to international court if they chose to build it unilaterally.[13] Laos announced a halt to construction on 11 May 2012 due to complaints from neighbors and environmental groups.[14]
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