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Hydropower in the Mekong River Basin

The estimated hydropower potential of Mekong River Basin about 58,930 Megawatts (MW).[1][2][3] As of February 2024, there are an estimated 167 Hydropower Plants (HPPs) in the Mekong, with a combined installed capacity of some 36,376.3 MW. An additional 20 HPPs are currently under construction and at various stages of completion. These have a combined installed capacity of an additional 4,535.5 MW.

Ubol Ratana Dam in Thailand

The single most significant impact on the use of water and its management in the Mekong Region is hydropower.[4] These developments in the Mekong River Basin have resulted in substantial environmental and social impacts, which are summarised below. These have fuelled controversy [5] and hydropower is a prominent part of the discussion around the river, its basin, and its management. This debate occurs in both the academic literature, as well as the media, and is a focus for many activist groups.[6][7]

The countries that share the Mekong River Basin have all sought the large-scale infrastructural development of its waters. As part of China's Great Western Development program, large-scale hydropower development in China's Yunnan Province has been substantial,[8][9][10] on the Mekong, the Jinsha, and the Red rivers. Large amounts of Yunnan's hydropower is exported eastwards to energy intensive load centres, such as Guangxi and Guangdong. [11] Yunnan, however, has large electricity over-supply problems, which has led to significant hydropower curtailment.[11][12]

The Lao government has also prioritized hydropower development, primarily as an export commodity. In 2021, almost 82% of Lao electricity was exported, mostly to Thailand.[13] Power production (from all sources, including hydropower) contributed 12.8% to national GDP in 2022, while electricity exports comprised almost 29% of total export values in the same year,[14] and investments in electricity production represented 79% of total foreign direct investment in 2021.[15]

Most of Cambodia's hydropower has been developed in the southwest of the country, outside of the Mekong River Basin.[16][17] Its largest HPP, the Lower Sesan 2 is, however, within the Mekong River Basin, and generates some 20% of the country's electricity.[18] Cambodia has ruled out developing hydropower on the Mekong mainstream,[19] but multiple dams are planned for construction in Mekong tributary catchments. Cambodia also exports electricity directly from the Don Sahong HPP, a southern Lao dam located on the Mekong mainstream.[20]

In Thailand, little technically exploitable hydropower potential remains in its parts of the Mekong River Basin. Most of its HPPs were developed in the 1980s and 1990s, and accompanied by large-scale irrigation infrastructure development as part of the massive Kong-Chi-Mun Project,[21] more recently rearticulated as the Khong-Loei-Chi-Mun Project [22][23] Large-scale energy infrastructure in Thailand has been met with strong resistance - for example, the Assembly of the Poor's opposition to the Pak Mun HPP, the last dam to be commissioned in Thailand. This has forced Thailand to export the social and environmental externalities of hydropower construction and operation to neighbouring states.[24][25]

While there are multiple HPPs planned for Myanmar parts of the Mekong River Basin,[26] years of political instability have generally impended hydropower development.

Vietnam's Mekong hydropower development is concentrated in its Central Highlands. It does not appear as if any technically-exploitable hydropower potential remains. Here, hydropower has also been accompanied by significant irrigation development. Vietnam's hydropower investments in this area includes sizeable dams on two key Mekong tributaries, the Sesan and the Srepok rivers.

Mekong mainstream hydropower plants edit

HPPs on the Mekong mainstream have aroused particular environmental concerns.[27][28] The majority of these are based in China's Yunnan Province. Table 1 below indicates the status of each of these HPPs.

Table 1: Hydropower plants on the Mekong mainstream

Project Country Location COD Installed capacity (MW) Status
Sambor   12°47′13″N 105°56′19″E / 12.786849°N 105.938582°E / 12.786849; 105.938582 (Sambor HPP) N/A 2,600 Cancelled
Stung Treng   13°34′31″N 105°59′00″E / 13.575317°N 105.98345°E / 13.575317; 105.98345 (Stung Treng HPP) N/A 980 Cancelled
Angsai   32°28′00″N 95°23′39″E / 32.466805°N 95.394246°E / 32.466805; 95.394246 (Angsai HPP) ? 55 Planned
Baita   28°58′51″N 98°37′36″E / 28.980898°N 98.626669°E / 28.980898; 98.626669 (Baita HPP) ? ? Planned
Banda   30°12′00″N 97°56′01″E / 30.2°N 97.93365°E / 30.2; 97.93365 (Banda HPP) ? 1,000 Planned
Bangduo   29°28′11″N 98°23′41″E / 29.469708°N 98.394729°E / 29.469708; 98.394729 (Bangduo HPP) ? 720 Planned
Cege   30°59′06″N 97°20′20″E / 30.985°N 97.339°E / 30.985; 97.339 (Cege HPP) ? 129 Planned
Dachaoshan   24°01′30″N 100°22′13″E / 24.024947°N 100.3703°E / 24.024947; 100.3703 (Dachaoshan HPP) 2003 1,350 Commissioned
Dahuaqiao   26°18′29″N 99°08′21″E / 26.308096°N 99.139288°E / 26.308096; 99.139288 (Dahuaqiao HPP) 2018 920 Commissioned
Dongzhong   31°52′22″N 96°59′24″E / 31.872777°N 96.99°E / 31.872777; 96.99 (Dahuaqiao HPP) ? 108 Planned
Ganlanba   21°50′38″N 100°56′17″E / 21.843867°N 100.937917°E / 21.843867; 100.937917 (Ganlanba HPP) ? 155 Planned
Gongguoqiao   25°35′09″N 99°20′08″E / 25.585917°N 99.335567°E / 25.585917; 99.335567 (Gongguoqiao HPP) 2012 900 Commissioned
Guoduo   31°31′45″N 97°11′29″E / 31.529089°N 97.191279°E / 31.529089; 97.191279 (Guoduo HPP) 2015 160 Commissioned
Guonian   28°19′09″N 98°52′06″E / 28.319211°N 98.868424°E / 28.319211; 98.868424 (Guonian HPP) N/A 1,200 Cancelled
Gushui   28°36′31″N 98°44′46″E / 28.608683°N 98.746133°E / 28.608683; 98.746133 (Gushui HPP) ? 2,600 Planned
Huangdeng   26°32′54″N 99°06′46″E / 26.548199°N 99.112669°E / 26.548199; 99.112669 (Huangdeng HPP) 2017 1,900 Commissioned
Jinghong   22°03′12″N 100°45′59″E / 22.053206°N 100.766478°E / 22.053206; 100.766478 (Jinghong HPP) 2009 1,750 Commissioned
Lidi   27°50′53″N 99°01′50″E / 27.848016°N 99.030555°E / 27.848016; 99.030555 (Lidi HPP) 2019 420 Commissioned
Lin Chang   31°10′49″N 97°11′07″E / 31.1804°N 97.1852°E / 31.1804; 97.1852 (Lin Chang HPP) ? 72 Planned
Longqingxia   32°53′03″N 95°21′01″E / 32.884167°N 95.350283°E / 32.884167; 95.350283 (Longqingxia HPP) 2006 2.5 Commissioned
Manwan   24°37′20″N 100°26′55″E / 24.622086°N 100.448544°E / 24.622086; 100.448544 (Manwan HPP) 1995 1,570 Commissioned
Mengsong   21°46′49″N 101°08′51″E / 21.780267°N 101.147367°E / 21.780267; 101.147367 (Mengsong HPP) N/A 600 Cancelled
Miaowei   25°51′15″N 99°09′47″E / 25.854121°N 99.163155°E / 25.854121; 99.163155 (Miaowei HPP) 2017 1,400 Commissioned
Nuozhadu   22°38′32″N 100°26′11″E / 22.642128°N 100.436336°E / 22.642128; 100.436336 (Nuozhadu HPP) 2014 5,850 Commissioned
Quzika   30°02′23″N 97°53′22″E / 30.039854°N 97.889503°E / 30.039854; 97.889503 (Quzika HPP) ? 405 Planned
Ru Mei   29°39′00″N 98°20′52″E / 29.649933°N 98.3477°E / 29.649933; 98.3477 (Ru Mei HPP) ? 2,100 Planned
Tuoba   27°11′39″N 99°06′27″E / 27.194231°N 99.107516°E / 27.194231; 99.107516 (Tuoba HPP) 2025 1,400 Under construction
Wunonglong   27°55′57″N 98°56′00″E / 27.932554°N 98.9333°E / 27.932554; 98.9333 (Wunonglong HPP) 2018 990 Commissioned
Xiaowan   24°42′15″N 100°05′29″E / 24.7042226°N 100.091255°E / 24.7042226; 100.091255 (Xiaowan HPP) 2010 4,200 Commissioned
Yue Long   30°52′05″N 97°20′50″E / 30.868008°N 97.347124°E / 30.868008; 97.347124 (Yue Long HPP) 2030 100 Planned
Ban Koum   15°25′04″N 105°35′15″E / 15.417881°N 105.587364°E / 15.417881; 105.587364 (Ban Koum HPP) 2030 1,872 Planned
Don Sahong   13°57′22″N 105°57′51″E / 13.956223°N 105.964247°E / 13.956223; 105.964247 (Don Sahong HPP) 2020 240 Commissioned
Luang Prabang   20°04′00″N 102°11′32″E / 20.06663°N 102.192339°E / 20.06663; 102.192339 (Luang Prabang HPP) 2030 1,460 Under construction
Pak Chom   18°12′04″N 102°03′02″E / 18.201038°N 102.050588°E / 18.201038; 102.050588 (Pak Chom HPP) ? 1,079 Planned
Pak Beng   19°50′58″N 101°01′10″E / 19.849455°N 101.019507°E / 19.849455; 101.019507 (Pak Beng HPP) 2033 912 Planned
Pak Lay   18°24′05″N 101°35′01″E / 18.401361°N 101.58362°E / 18.401361; 101.58362 (Pak Lay HPP) 2029 728 Planned
Phoug Noi   15°03′01″N 105°50′55″E / 15.050186°N 105.848498°E / 15.050186; 105.848498 (Phoug Noi HPP) 2029 728 Planned
Sanakham   17°49′45″N 101°33′25″E / 17.829183°N 101.556969°E / 17.829183; 101.556969 (Sanakham HPP) 2028 684 Planned
Thako   13°57′33″N 105°59′17″E / 13.959072°N 105.988047°E / 13.959072; 105.988047 (Thako HPP) N/A 86-172 Cancelled
Xayaburi   19°15′14″N 101°48′49″E / 19.254006°N 101.813699°E / 19.254006; 101.813699 (Xayaburi HPP) 2019 1,285 Commissioned

Notes: COD = Commercial Operating Date; N/A = Not Applicable

Existing hydropower infrastructure in the Mekong River Basin edit

Table 2: Commissioned dams in the Mekong River Basin (15 MW installed capacity and above)[29]

Project Country River Location COD Installed capacity (MW) Mean Annual Energy (GWh) Height (m) Crest length (m) Total storage (million m3) Max reservoir area (km2)
Lower Sesan 2   Sesan 13°33′05″N 106°15′50″E / 13.551408°N 106.263841°E / 13.551408; 106.263841 (Lower Sesan 2 HPP) 2018 400 2,312 45 7,729 1,790 335
Dachaoshan   Mekong 24°01′30″N 100°22′13″E / 24.024947°N 100.3703°E / 24.024947; 100.3703 (Dachaoshan HPP) 2003 1,350 5,500 115 481 890 26.25
Dahuaqiao   Mekong 26°18′29″N 99°08′21″E / 26.308096°N 99.139288°E / 26.308096; 99.139288 (Dahuaqiao HPP) 2018 920 4,070 106 231.5 293
Ganlanba   Mekong 21°50′38″N 100°56′17″E / 21.843867°N 100.937917°E / 21.843867; 100.937917 (Ganlanba HPP) 2015 155 1,177 60.5 458 577 58
Gongguoqiao   Mekong 25°35′09″N 99°20′08″E / 25.585917°N 99.335567°E / 25.585917; 99.335567 (Gongguoqiao HPP) 2012 900 4,041 105 356 316 343
Guoduo   Mekong 31°31′45″N 97°11′29″E / 31.529089°N 97.191279°E / 31.529089; 97.191279 (Guoduo HPP) 2015 160 823 93 235.5 83
Huangdeng   Mekong 26°32′54″N 99°06′46″E / 26.548199°N 99.112669°E / 26.548199; 99.112669 (Huangdeng HPP) 2017 1,900 8,578 203 457 1,613
Jinfeng   Nan La He 21°35′31″N 101°13′30″E / 21.592026°N 101.225135°E / 21.592026; 101.225135 (Jinfeng HPP) 1998 16 64.3 45 19.48
Jinghong   Mekong 22°03′12″N 100°45′59″E / 22.053206°N 100.766478°E / 22.053206; 100.766478 (Jinghong HPP) 2009 1,750 5,570 108 705.5 1,140 510
Jinhe   Jin He 30°48′22″N 97°19′59″E / 30.806181°N 97.332926°E / 30.806181; 97.332926 (Jinhe HPP) 2004 60 367 34 68.4 4.27
Laoyinyan   Gua Lan Zi He/Shun Dian He 24°28′09″N 99°49′03″E / 24.469128°N 99.81754°E / 24.469128; 99.81754 (Laoyinyan HPP) 1997 16 4.2 1,092
Lidi   Mekong 27°50′53″N 99°01′50″E / 27.848016°N 99.030555°E / 27.848016; 99.030555 (Lidi HPP) 2019 420 1,753 75 346.4 75 3.7
Luozhahe 1   Luo Zha He 24°30′19″N 100°27′06″E / 24.505207°N 100.451749°E / 24.505207; 100.451749 (Luozhahe 1 HPP) 2018 30 135 59 14.33
Luozhahe 2   Luo Zha He 24°29′13″N 100°24′08″E / 24.486867°N 100.402128°E / 24.486867; 100.402128 (Luozhahe 2 HPP) 2016{ 50 225 71 3,391
Manwan   Mekong 24°37′20″N 100°26′55″E / 24.622086°N 100.448544°E / 24.622086; 100.448544 (Manwan HPP) 1995 1,570 6,710 132 418 920 415
Miaowei   Mekong 25°51′15″N 99°09′47″E / 25.854121°N 99.163155°E / 25.854121; 99.163155 (Miaowei HPP) 2017 1,400 5,999 140 660
Nanhe 1   Luo Zha He 24°20′33″N 100°00′44″E / 24.342442°N 100.012183°E / 24.342442; 100.012183 (Nanhe 1 HPP) 2009 40 170 56.8 148 11.36
Nanhe 2   Luo Zha He 24°22′38″N 100°03′00″E / 24.377086°N 100.050098°E / 24.377086; 100.050098 (Nanhe 2 HPP) ? 25 100
Nuozhadu   Mekong 22°38′32″N 100°26′11″E / 22.642128°N 100.436336°E / 22.642128; 100.436336 (Nuozhadu HPP) 2014 5,850 23,912 262 608 23,703 320
Wunonglong   Mekong 27°55′57″N 98°56′00″E / 27.932554°N 98.9333°E / 27.932554; 98.9333 (Wunonglong HPP) 2018 990 4,116 138 247 284
Xiaowan   Mekong 24°42′15″N 100°05′29″E / 24.7042226°N 100.091255°E / 24.7042226; 100.091255 (Xiaowan HPP) 2010 4,200 18,990 295 893 14,560 194
Xi'er He 1   Xi'er He 25°34′44″N 100°12′09″E / 25.578801°N 100.202419°E / 25.578801; 100.202419 (Xi'er He 1 HPP) 1979 105 440
Xi'er He 2   Xi'er He 25°33′43″N 100°07′52″E / 25.561991°N 100.131191°E / 25.561991; 100.131191 (Xi'er He 2 HPP) 1987 50 37 122 0.2
Xi'er He 3   Xi'er He 25°33′31″N 100°06′28″E / 25.558584°N 100.107878°E / 25.558584; 100.107878 (Xi'er He 3 HPP) 1988 50 223 21
Xi'er He 4   Xi'er He 25°34′35″N 100°03′56″E / 25.576262°N 100.065574°E / 25.576262; 100.065574 (Xi'er He 4 HPP) 1971 50 14
XunCun   Hei Hui Jiang 25°25′19″N 99°59′36″E / 25.421835°N 99.993301°E / 25.421835; 99.993301 (XunCun HPP) 1999 78 345 67 165 74
Zongtongka   Angqu 31°09′06″N 97°08′04″E / 31.151775°N 97.134375°E / 31.151775; 97.134375 (Zongtongka HPP) 104 451.7 71 124.6
Mong Wa   Nam Lwe 21°23′49″N 100°19′33″E / 21.396967°N 100.32584°E / 21.396967; 100.32584 (Mong Wa HPP) 2017 66 330.45 51 78 8.01
Don Sahong   Mekong 13°57′22″N 105°57′51″E / 13.956223°N 105.964247°E / 13.956223; 105.964247 (Don Sahong HPP) 2020 240 2,000 25 6,800 25 2.2
Houay Ho   Houayho/Xekong 15°03′34″N 106°45′52″E / 15.059464°N 106.764377°E / 15.059464; 106.764377 (Houayho HPP) 1999 152 450 79 3,530 37
Houay La Nge   Houay La-Nge 15°46′30″N 107°03′18″E / 15.774865°N 107.054896°E / 15.774865; 107.054896 (Houay La Nge HPP) 2023 60 290 58 179 14 93.6
Houay Lamphan Gnai   Xekong 15°21′23″N 106°29′56″E / 15.356495°N 106.498949°E / 15.356495; 106.498949 (Houay Lamphan Gnai HPP) 2015 84.8 480 77 74.5 140 9
Houay Por   Houay Por 15°32′44″N 106°15′24″E / 15.545605°N 106.256763°E / 15.545605; 106.256763 (Houay Por HPP) 2018 15 75 6 0.76
Lower Houay Lam Phanh   Houay Lamphan 15°19′17″N 106°37′48″E / 15.321515°N 106.630123°E / 15.321515; 106.630123 (Lower Houay Lam Phanh HPP) 2022 15 68 55 523 73.9
Nam Ao   Nam Ao 19°09′39″N 103°16′59″E / 19.160876°N 103.283107°E / 19.160876; 103.283107 (Nam Ao HPP) 2023 15 92 26 130 52 4.9
Nam Beng   Nam Beng 19°56′47″N 101°14′15″E / 19.946436°N 101.237563°E / 19.946436; 101.237563 (Nam Beng HPP) 2014 36 145 25.5 84.8 3,611 0.7
Nam Che 1   Nam Che 19°03′17″N 103°30′49″E / 19.054645°N 103.513536°E / 19.054645; 103.513536 (Nam Che 1 HPP) 2019 16.8 23 50
Nam Chien 1   Nam Che 19°08′43″N 103°33′26″E / 19.145395°N 103.557259°E / 19.145395; 103.557259 (Nam Chien 1 HPP) 2018 104 448.2 68.8 367 14
Nam Houng 1   Nam Houng 19°11′24″N 101°48′23″E / 19.189914°N 101.806322°E / 19.189914; 101.806322 (Nam Young 1 HPP) 2023 15 57 1.52
Nam Khan 2   Nam Khan 19°41′07″N 102°22′11″E / 19.685364°N 102.369791°E / 19.685364; 102.369791 (Nam Khan 2 HPP) 2015 130 558 160 405 30.5
Nam Khan 3   Nam Khan 19°44′49″N 102°13′22″E / 19.747016°N 102.222793°E / 19.747016; 102.222793 (Nam Khan 3 HPP) 2016 88 480 77 74.5 140 9
Nam Kong 1   Nam Kong 14°32′47″N 106°44′27″E / 14.546513°N 106.740933°E / 14.546513; 106.740933 (Nam Kong HPP 1) 2021 160 649 87 386 679 21.8
Nam Kong 2   Nam Kong 14°29′41″N 106°51′24″E / 14.494672°N 106.856669°E / 14.494672; 106.856669 (Nam Kong HPP 2) 2018 66 264 50 210 71.4 4.2
Nam Kong 3   Nam Kong 14°33′59″N 106°54′45″E / 14.566338°N 106.912551°E / 14.566338; 106.912551 (Nam Kong 3 HPP) 2021 54 204 65 500 471 32
Nam Leuk   Nam Leuk/Nam Ngum 18°26′15″N 102°56′48″E / 18.437406°N 102.94675°E / 18.437406; 102.94675 (Nam Leuk HPP) 2000 60 215 51.5 800 185 17.2
Nam Lik 1   Nam Lik 18°37′10″N 102°23′14″E / 18.619438°N 102.387252°E / 18.619438; 102.387252 (Nam Lik 1 HPP) 2019 64 256 36.5 72 22.3
Nam Lik 1-2   Nam Lik 18°47′38″N 102°07′00″E / 18.793782°N 102.116714°E / 18.793782; 102.116714 (Nam Lik 1-2 HPP) 2010 100 435 103 328 11 24.4
Nam Mang 1   Nam Mang 18°32′03″N 103°11′47″E / 18.53423°N 103.196286°E / 18.53423; 103.196286 (Nam Mang 1 HPP) 2016 64 225 70 280 16.5 0.148
Nam Mang 3   Nam Gnogn 18°20′58″N 102°45′55″E / 18.349383°N 102.765244°E / 18.349383; 102.765244 (Nam Mang 3 HPP) 2004 40 150 28 151 49 10
Nam Ngiep 1   Nam Ngiep 18°38′45″N 103°33′08″E / 18.645828°N 103.552329°E / 18.645828; 103.552329 (Nam Ngiep 1 HPP) 2019 272 1,546 167 530 1,192 67
Nam Ngiep 1 (DS)   Nam Ngiep 18°38′53″N 103°34′18″E / 18.647966°N 103.571591°E / 18.647966; 103.571591 (Nam Ngiep 1 (DS) HPP) 2019 18 105 20 90 4.6 1.27
Nam Ngiep 2   Nam Ngiep 19°14′36″N 103°17′02″E / 19.243328°N 103.283818°E / 19.243328; 103.283818 (Nam Ngiep 2 HPP) 2015 180 732 70.5 163
Nam Ngiep 2B   Nam Ngiep 19°09′21″N 103°20′46″E / 19.155918°N 103.346031°E / 19.155918; 103.346031 (Nam Ngiep 2B HPP) 2015 18 76
Nam Ngiep 3A   Nam Ngiep 19°14′37″N 103°17′02″E / 19.243546°N 103.283913°E / 19.243546; 103.283913 (Nam Ngiep 3A HPP) 2014 44 144 30 110 13.85 1.8
Nam Ngum 1   Nam Ngum 18°31′52″N 102°32′51″E / 18.531068°N 102.547577°E / 18.531068; 102.547577 (Nam Ngum 1 HPP) 1971 315 1,455 70 468 4,700 370
Nam Ngum 2   Nam Ngum 18°45′19″N 102°46′35″E / 18.755374°N 102.776476°E / 18.755374; 102.776476 (Nam Ngum 2 HPP) 2011 615 2,300 181.5 421 3,590 122.2
Nam Ngum 5   Nam Ngum 19°21′22″N 102°37′16″E / 19.356095°N 102.621196°E / 19.356095; 102.621196 (Nam Ngum 5 HPP) 2012 120 507 104.5 258 314 14.6
Nam Ou 1   Nam Ou 20°05′18″N 102°15′55″E / 20.0883°N 102.265379°E / 20.0883; 102.265379 (Nam Ou 1 HPP) 2019 160 710 65 442 89.1 9.56
Nam Ou 2   Nam Ou 20°24′42″N 102°28′22″E / 20.411698°N 102.472817°E / 20.411698; 102.472817 (Nam Ou 2 HPP) 2016 120 546 55 352 121.7 15.7
Nam Ou 3   Nam Ou 20°41′43″N 102°39′55″E / 20.695251°N 102.665404°E / 20.695251; 102.665404 (Nam Ou 3 HPP) 2020 150 685 72 340 168.6 13.26
Nam Ou 4   Nam Ou 21°07′13″N 102°29′39″E / 21.120153°N 102.494173°E / 21.120153; 102.494173 (Nam Ou 4 HPP) 2020 116 524 47 300 124 9.37
Nam Ou 5   Nam Ou 21°24′41″N 102°20′39″E / 21.411349°N 102.344263°E / 21.411349; 102.344263 (Nam Ou 5 HPP) 2016 240 1,049 74 335 17.22
Nam Ou 6   Nam Ou 21°24′41″N 102°20′39″E / 21.411349°N 102.344263°E / 21.411349; 102.344263 (Nam Ou 6 HPP) 2016 180 739 88 409 17.01
Nam Ou 7   Nam Ou 22°04′40″N 102°15′52″E / 22.07779°N 102.264436°E / 22.07779; 102.264436 (Nam Ou 7 HPP) 2020 190 811 147 825 1,494 38.16
Nam Pha Gnai   Nam Pha Gnai 19°00′48″N 102°15′52″E / 19.013318°N 102.264436°E / 19.013318; 102.264436 (Nam Pha Gnai HPP) 2016 19.2 130 65 148 1.5
Nam Phay   Nam Phay 19°06′34″N 102°45′27″E / 19.109357°N 102.757461°E / 19.109357; 102.757461 (Nam Phay HPP) 2018 86 419.5 18.92
Nam San 3A   Nam San 19°07′45″N 103°39′42″E / 19.129193°N 103.661752°E / 19.129193; 103.661752 (Nam San 3A HPP) 2016 69 278.4 75 350 123 8.5
Nam San 3B   Nam San 19°05′08″N 103°37′12″E / 19.085633°N 103.619938°E / 19.085633; 103.619938 (Nam San 3B HPP) 2015 45 198
Nam Tha 1   Nam Tha 20°14′58″N 100°53′33″E / 20.249467°N 100.892433°E / 20.249467; 100.892433 (Nam Tha 1 HPP) 2018 168 759.4 93.7 349.2 1,755 113.9
Nam Tha Had Muak   Nam Tha 20°14′34″N 100°42′44″E / 20.24264°N 100.712302°E / 20.24264; 100.712302 (Nam Tha 1 HPP) 2022 37.5 102.67
Nam Theun 1   Nam Theun 18°21′24″N 104°08′53″E / 18.356733°N 104.148017°E / 18.356733; 104.148017 (Nam Theun 1 HPP) 2022 650 2,561 177 771 2,772 93.6
Nam Theun 2   Nam Theun/Xe Bangfai 17°59′50″N 104°57′08″E / 17.997353°N 104.952306°E / 17.997353; 104.952306 (Nam Theun 2 HPP) 2010 1,075 5,936 48 325 3,500 450
Theun-Hinboun   Nam Theun 18°15′40″N 104°33′45″E / 18.261005°N 104.562525°E / 18.261005; 104.562525 (Theun-Hinboun Hydropower Plant) 1998 220 1,645 48 810 1,300 49
Theun-Hinboun Expansion Project   Nam Gnouang 18°17′50″N 104°38′10″E / 18.297248°N 104.636171°E / 18.297248; 104.636171 (Theun-Hinboun Expansion Project) 2013 222 1,395 65 480 2,450 49
Xayaburi   Mekong 19°15′14″N 101°48′49″E / 19.254006°N 101.813699°E / 19.254006; 101.813699 (Xayaburi HPP) 2019 1,285 6,035 48 810 1,300 49
Xe Kaman 1   Xe Kaman 14°57′39″N 107°09′23″E / 14.960724°N 107.156336°E / 14.960724; 107.156336 (Xe Kaman 1 HPP) 2018 290 1,096 120 185 4,804 149.8
Xe Kaman 3   Xe Kaman 15°25′31″N 107°21′45″E / 15.425194°N 107.362611°E / 15.425194; 107.362611 (Xe Kaman 3 HPP) 2014 250 1,000 102 543 141.5 5.2
Xe Kaman-Sanxay   Xe Kaman 14°53′20″N 107°07′02″E / 14.888908°N 107.117133°E / 14.888908; 107.117133 (Xe Kaman-Sanxay HPP) 2018 32 131.2 28 180 1.76
Xe Lanong 1   Xe Lanong 16°21′23″N 106°14′19″E / 16.356276°N 106.238749°E / 16.356276; 106.238749 (Xe Lanong 1 HPP) 2020 70 269.9 67.5 302 953
Xepian-Xenamnoy   Xepian/Xenamnoy 15°01′34″N 106°37′39″E / 15.026115°N 106.627369°E / 15.026115; 106.627369 (Xepian-Xenamnoy HPP) 2019 427 1,788 73 1,600 1,043 50.6
Xe Nam Noy - Xe Katam   Xenamnoi/Xekatam 15°07′05″N 106°37′00″E / 15.117928°N 106.616688°E / 15.117928; 106.616688 (Xepian-Xenamnoy HPP) 2016 20.1 83
Xeset 1   Xeset 15°29′31″N 106°16′43″E / 15.49200°N 106.27867°E / 15.49200; 106.27867 (Xeset 1 HPP) 1994 45 154 18 124
Xeset 2   Xeset 15°24′14″N 106°16′49″E / 15.403775°N 106.280332°E / 15.403775; 106.280332 (Xeset 1 HPP) 2009 76 309 26 144
Xeset 3   Xe Don 15°20′32″N 106°18′40″E / 15.342113°N 106.31115°E / 15.342113; 106.31115 (Xeset 3 HPP) 2017 23 80 11 1.3
Chulabhorn   Nam Phrom 16°32′11″N 101°39′00″E / 16.536267°N 101.650036°E / 16.536267; 101.650036 (Chulabhorn HPP) 1972 40 93 70 700 165 31
Lam Ta Khong   Lam Ta Khong 14°51′55″N 101°33′37″E / 14.865175°N 101.560303°E / 14.865175; 101.560303 (Lam Ta Khong HPP) 1974 500 400 40.3 251 310 37
Pak Mun   Mun 15°16′55″N 105°28′05″E / 15.2818942°N 105.468058°E / 15.2818942; 105.468058 (Pak Mun HPP) 1994 136 280 17 300
Sirindhorn   Lam Dom Noi 15°12′23″N 105°25′45″E / 15.206339°N 105.429156°E / 15.206339; 105.429156 (Siridhorn HPP) 1971 36 86 42 940 1,967 288
Ubol Ratana   Nam Pong 16°46′31″N 102°37′06″E / 16.775394°N 102.618325°E / 16.775394; 102.618325 (Ubol Ratana HPP) 1966 25.2 57 35.1 885 2,559 410
A Luoi   A Sap 16°11′51″N 107°09′43″E / 16.197619°N 107.161897°E / 16.197619; 107.161897 (A Luoi HPP) 2012 170 686 49.5 208
Buon Kuop   Sre Pok 12°31′30″N 107°55′33″E / 12.52504°N 107.925762°E / 12.52504; 107.925762 (Buon Kop HPP) 2009 280 1,455 34 1,828 37 5.57
Buon Tua Sra   Se San/Krong Po Ko 12°16′56″N 108°02′29″E / 12.282116°N 108.041299°E / 12.282116; 108.041299 (Buon Tua Srah HPP) 2009 86 359 83 1,041 787 41
Dray Hlinh 2   Sre Pok 12°40′33″N 107°54′14″E / 12.6757°N 107.903978°E / 12.6757; 107.903978 (Dray Hinh 2 HPP) 2007 16 85
Hòa Phú   Sre Pok 12°38′59″N 107°54′33″E / 12.64967°N 107.909128°E / 12.64967; 107.909128 (Hòa Phú HPP) 2014 29 132 12 384.5 5 1.6
Krông Nô 2   Krong No 12°15′16″N 108°21′20″E / 12.254355°N 108.355469°E / 12.254355; 108.355469 (Krông Nô 2 HPP) 2016 30 109 9.3
Krông Nô 3   Krong No 12°15′16″N 108°21′20″E / 12.254355°N 108.355469°E / 12.254355; 108.355469 (Krông Nô 3 HPP) 2016 18 63.5 42 260 20 1.75
Plei Krong   Se San/Krong Po Ko 14°24′30″N 107°51′47″E / 14.408227°N 107.862991°E / 14.408227; 107.862991 (Plei Krong HPP) 2008 100 479 65 745 1,049 53
Sesan 3   Se San 14°12′57″N 107°43′19″E / 14.215816°N 107.722061°E / 14.215816; 107.722061 (Sesan 3 HPP) 2006 260 1,224 79 6.4
Sesan 3A   Se San 14°06′23″N 107°39′28″E / 14.106475°N 107.657753°E / 14.106475; 107.657753 (Sesan 3A HPP) 2007 96
Sesan 4   Se San 13°58′06″N 107°29′43″E / 13.968252°N 107.49516°E / 13.968252; 107.49516 (Sesan 4 HPP) 2009 360 60 54
Sesan 4A   Se San 13°56′00″N 107°28′01″E / 13.933374°N 107.46683°E / 13.933374; 107.46683 (Sesan 4 HPP) 2009 360 60 54
Sre Pok 3   Sre Pok 12°45′08″N 107°52′36″E / 12.752344°N 107.876769°E / 12.752344; 107.876769 (Sre Pok 3 HPP) 2009 220 52.5
Sre Pok 4   Sre Pok 12°48′26″N 107°51′19″E / 12.807331°N 107.855308°E / 12.807331; 107.855308 (Sre Pok 4 HPP) 2009 600 329.3 155 860 114 150
Sre Pok 4A   Sre Pok 12°53′36″N 107°48′44″E / 12.893464°N 107.812294°E / 12.893464; 107.812294 (Sre Pok 4A HPP) 2014 308.35 4
Upper Kontum   Se San/Dak Bla/Dak Ngh 14°41′39″N 108°13′48″E / 14.694291°N 108.229879°E / 14.694291; 108.229879 (Upper Kontum HPP) 2011 250 1,056.4 73 392 174 7.08
Yali Falls   Se San 14°13′39″N 107°49′47″E / 14.227481°N 107.829597°E / 14.227481; 107.829597 (Yali Falls HPP) 2001 720 3,658.6 65 1,460 1,073 64.5
Yan-Tann-Sien   Yan-Tann-Sien 12°09′10″N 108°22′43″E / 12.152824°N 108.37866°E / 12.152824; 108.37866 (Yan-Tann-Sien HPP) 2010 19.5 79

Notes: COD = Commercial Operating Date

Hydropower infrastructure under construction in the Mekong River Basin edit

Table 3: Hydropower dams under construction in the Mekong River Basin (15 MW installed capacity and above)[29]

Project Country River Location COD Installed capacity (MW) Mean Annual Energy (GWh) Height (m) Crest length (m) Total storage (million m3) Max reservoir area (km2)
Pursat 1   Pursat 12°17′07″N 103°17′56″E / 12.285408°N 103.298828°E / 12.285408; 103.298828 (Pursat 1 Dam) 2026 80 361 100 687 1,039
Charikou   Tsichu 32°40′12″N 96°33′42″E / 32.670005°N 96.561546°E / 32.670005; 96.561546 (Charikou Dam) ? 54 121.4 198.48 421
Jiaoba   Dengqu 29°34′46″N 98°18′22″E / 29.579527°N 98.306028°E / 29.579527; 98.306028 (Jiaoba Dam) ? 60 50
Tuoba   Mekong 27°11′39″N 99°06′27″E / 27.194231°N 99.107516°E / 27.194231; 99.107516 (Tuoba Dam) 2025 1,400 6,200 158 396 1,039
Houay Kaouane   20°04′00″N 102°11′32″E / 20.06663°N 102.192339°E / 20.06663; 102.192339 (Houay Kaouane) ? 24
Luang Prabang   Mekong 20°04′00″N 102°11′32″E / 20.06663°N 102.192339°E / 20.06663; 102.192339 (Luang Prabang Dam) 2030 1,460 6,500 80 275 1,589.5 72.39
Nam Ang   Nam Ang 15°07′21″N 107°06′31″E / 15.122545°N 107.108512°E / 15.122545; 107.108512 (Nam Ang Dam) 2024 31 183.3 0.03
Nam Emoun   Nam Emoun 15°34′27″N 106°58′10″E / 15.5743°N 106.969395°E / 15.5743; 106.969395 (Nam Emoun Dam) 2025 131.5 460.59 29 127 0.07 0.16
Nam Hinboun 1   Nam Hinboun 17°43′42″N 104°34′17″E / 17.728201°N 104.571382°E / 17.728201; 104.571382 (Nam Hinboun 1 Dam) 2024 15 79.74 33 70
Nam Hinboun 2   Nam Hinboun 18°01′25″N 104°25′30″E / 18.023739°N 104.425006°E / 18.023739; 104.425006 (Nam Hinboun 2 Dam) ? 30 155.2 38 2.57
Nam Ngao   Nam Hinboun 20°23′54″N 100°25′55″E / 20.398288°N 100.431852°E / 20.398288; 100.431852 (Nam Ngao Dam) ? 15 81.1 69 438.6 2.57
Nam Ngum 3   Nam Ngum 19°05′03″N 102°52′44″E / 19.084097°N 102.878817°E / 19.084097; 102.878817 (Nam Ngum 3 Dam) 2024 480 2,345 220 395 1,411 27.51
Nam Ngum 4   Nam Ngum 19°27′14″N 103°00′37″E / 19.453804°N 103.010325°E / 19.453804; 103.010325 (Nam Ngum 4 Dam) 2024 240 872 74 110
Nam Phan (Bolevan)   Nam Phak 15°04′32″N 106°08′21″E / 15.075548°N 106.139196°E / 15.075548; 106.139196 (Nam Phan Dam) 2025 168 788
Nam Pot 1   Nam Pot 19°09′19″N 103°15′59″E / 19.15518°N 103.266356°E / 19.15518; 103.266356 (Nam Pot 1 Dam) ? 20 92 4.9
Xe Lanong 2   Xe Lanong 16°17′31″N 106°31′04″E / 16.291893°N 106.517774°E / 16.291893; 106.517774 (Xe Lanong 2 Dam) ? 35 143 55
Xekong A (DS)   Xekong 14°35′57″N 106°33′15″E / 14.599171°N 106.554175°E / 14.599171; 106.554175 (Xekong A (DS)) 2025 86 334.7 8.5 95.03 25.4
Xekong 4B (DS)   Xekong 15°44′39″N 106°44′55″E / 15.744284°N 106.748666°E / 15.744284; 106.748666 (Xekong 4B) 2027 175 801 117 1,004.7 22.4

Notes: COD = Commercial Operating Date

Environmental impacts of Mekong hydropower edit

The environmental impacts of Mekong hydropower development are generally well studied and understood. Some the key impacts of Mekong hydropower are as follows:

Hydrological impacts: about 75% of annual flows through the Mekong system occur between late June and early November,[30][31] which drives ecological productivity throughout the system.[32][33] This surge of water is known as the 'flood pulse' and dams (of all kinds) will contribute to its diminution. Wet season flows can be expected to reduce, while dry season flows can be expected to increase.[34] This has significant implications for the Mekong's ecology.

Fisheries impacts: the Mekong's fisheries are threatened in multiple ways, most importantly by dams and excessive fishing pressure.[35] Dams affect fisheries by:[36]

  • Acting as barriers to fish migration - either as fish try to migrate upstream to spawn; or for trapping fish fry or eggs as these travel downstream.
  • Interrupting natural flood cycles to which fish have evolved and adapted to over thousands of years.
  • Riverbed hardening. Dams typically release water in bursts, which removes smaller sediments like silt, sand, and gravel, as well as aquatic plants and animals and debris from vegetation. As a result, the bedrock below the dam becomes exposed and loses its value as a fish habitat.
  • Trapping sediment, a significant source of nutrition for fish. [37]
  • Altering water temperature. Water released from a dam is typically colder than prevailing temperatures downstream of the dam. This has a direct impact on fish habitats and populations.
  • Hydropeaking, which refers to the release of water from HPPs when demand is highest (usually during the day), and much smaller releases when demand is low. This also affects fisheries through the rapid alteration and high and low river flows. Globally, hydropeaking has been found to impact fish biodiversity, and fish community composition.[36][38][39]

The fisheries impact of all existing and planned mainstream dams will be most felt in Cambodia (which will experience three-quarters of the loss), while the balance will be experienced in Vietnam, Lao PDR and Thailand.[39] In terms of tonnages, this will represent a loss of between 580-750,000 Mt per year.[39]

In another study by the Mekong River Commission, fisheries assessments conducted in 2020 suggested that the annual finfish yield from the lower Mekong (i.e. those parts of the basin that fall within Cambodia, Laos, Thailand and Vietnam)) was between 1.51 to 1.71 million tonnes, while the harvest of other aquatic animals (OAAs) was approximately 443,000 tons. This is approximately 25-30% less than yield estimates conducted in 2000 and 2010. The estimated value of the fish catch varies from USD 7.13 billion to USD 8.37 billion annually. In addition, the estimated value of the OAA harvest is approximately USD 1.13 billion.[40]

Sediment impacts: in the Mekong, some 40% of the sediments that reach the Mekong Delta are derived from the Three Parallel Rivers area in Yunnan, while some 52% come from the Central Highlands of Vietnam.[41] The balance comes from those parts of the basin in northern Thailand, and the Tibetan gorges. [41][42] Sediment loads are lowest during the dry season and highest during the first months of the flood season, when loose sediments weathered during the dry season are washed into rivers. [41][43]

Although suspended sediment concentrations in the Mekong have been monitored since 1994, the ‘pre-disturbance’ sediment load is unknown. Nevertheless, studies can demonstrate very significant declines in the Mekong's sediment load since 2001. At Chiang Saen, sediment flows have decreased from about 85 million metric tonnes per year (Mt/yr) to 10.8 million Mt/yr, meaning that the sediment contributions from China to the Mekong mainstream has decreased to about 16% of all sediments in the Lower Mekong as compared to about 55% historically. [44]A similar trend is seen down-stream at Pakse, where average loads have decreased from 147 Mt/yr to 66 Mt/yr between 1994 and 2013.[44]

The declining sediment load has significant implications for the Mekong Delta, recharging sediments otherwise washed away by the sea, consumed by sea-level rise, or in combination with land subsidence. Studies of the possible long-term consequences of system-wide sediment reductions suggest that it is likely that nearly half of the Delta's land surface will be below sea level by 2100, with the remaining areas impacted by saline intrusion from the sea and frequent flooding.[42] Much of the Mekong's sediment decline is attributed to the 'trapping efficiency' of dams.[42][44][45][46]

Forest impacts: there is a two-way relationship between (reservoir) hydropower a deforestation in the catchments they draw on. In the absence of soil conservation measures, deforestation often contributes to increased erosion, which is then deposited in the reservoir, a reducing reservoir capacity. The 1,570 MW Manwan HPP on the Mekong mainstream in China, for example, lost 21.5–22.8% of the total storage capacity to sediments in its first 11 years of operation.[47] But hydropower can also drive deforestation. Reservoirs need to be cleared of vegetation before filling, and given the size of some reservoirs, the area subjected to clearance can be considerable. The deforestation impact of reservoir clearance in the Mekong is unknown. In 2008, an estimated 60% of the timber harvested in Laos was approved under special quotas for hydroelectric and other infra-structure projects. [48]. It has been estimated that hydropower development contributes to the loss of 13,100 ha of forest a year in Laos.[49] Over 2006/07, the Lao national timber quota was temporarily raised by 400,000 m3 to allow for logging specifically related to the development of the Nam Theun 2 HPP.[50] It has been argued that logging represents an additional motivation to hydropower development, and is frequently linked to corrupt actors[clarification needed].[51]

River connectivity: 'connectivity' refers to the degree to which matter and organisms can move among spatially defined units in a natural system. ‘River connectivity’ is typically described as longitudinal (between a river's main channel and its floodplains), lateral (between upstream areas in the river channel or catchment, and downstream ones), and vertical (within the water column, between upper water layers and lower ones.[52][53] River connectivity can be conceptualised as a continuum from 'fully connected' to 'disconnected'. River connectivity strongly influences the resistance and resilience of rivers to natural and human-induced disturbances.[53]

Dams interrupt connectivity, and so fish cannot swim upstream to spawn or breed; dams affect water quality in a variety of ways, altering upstream ecosystems so that they contrast starkly with downstream ones. Dam reservoirs are lacustrine (lake-like) environments unlike rapidly flowing waters downstream; upstream, the water is heavy with sediments, while downstream it is not; above the dam, the water is cold, while below it, it is warmer.

A 2014 study explores an HPP build-out of 81 proposed dams across the Mekong Basin.[54] If this were to occur, it would reduce the Mekong's connectivity to just 11% by 2022. This build-out – already well advanced – would make the Mekong one of the most heavily impounded rivers in the world.

Greenhouse gases: hydropower reservoirs do emit greenhouses gases (GHGs), although the volumes and types depend on the reservoir's latitude and age.[55] Young reservoirs tend to release larger amounts of GHGs than older ones due to the availability of decomposing vegetation and other organic matter soon after initial inundation; tropical reservoirs tend to release more than temperate ones due to higher rates of net primary production.[55][56]

In the Mekong, one study looked at 119 reservoirs across the basin, and found that these emit be-tween 0.2–1,994 kg  of CO2 per MWh over a 100 year lifetime with a median of 26  kg  of CO per MWh.[57] Hydropower reservoirs that also provided irrigation water (22) had generally higher emissions reaching over 22,000 kg  of CO2 per  MWh.[57] Yearly emissions ranged from 26 to 181,3 000 Mt of CO2 per year over a 100-year lifetime, with a median of 28,000 Mt of CO2 per year. Altogether, 82% of hydropower reservoirs (119) and 45% of reservoirs also providing irrigation (22) had emissions comparable to other renewable energy sources (<190  kg  CO2 per  MWh), while the rest had higher emissions equivalent to fossil fuel power plants (>380  kg  CO2 per  MWh).[57] These results, the study authors caution, are tentative and they suggest that hydropower in the Mekong Region cannot be considered categorically as low-emission energy. Instead, the GHG emissions of hydropower should be carefully considered case-by-case.[57]

Social Impacts edit

Social impacts such as livelihood and food insecurity largely effect riparian communities because of hydropower projects and these effects are multiplied by environmental issues of decreased water quality, decreased fish quantity and unstable water flow.[58] Loss of livelihood has become more significant as more dams are constructed along the Mekong River and this has become more evident by the change in the river's biodiversity.[59] For example, fisherman in a town in northeastern Thailand (Isan) estimate that their 2015 fish yield was only 30% of a normal year.[60] The villagers of this same town also experience vulnerability in their cultural patterns as irregular flooding causes holidays and celebrations based on a water calendar to no longer coincide.[61] Villages near dams experience other social issues alongside livelihood and food insecurity. A study of the Xe Pian Xe Namnoy Dam found that local communities face forced relocation, economic loss, livelihood insecurities, PTSD, food insecurity, and UXOs.[59][62] Due to PTSD and psychological impacts incurred, many villagers also hesitate to return to their former villages and the stress about the present has resulted in increased anxiety over the future.[63] As for food insecurity, the changing of the river flow due to hydropower projects has severely influenced agriculture and aquaculture as necessary nutrients for rice cultivation and fishery production are limited.[64] Issues of food and livelihood security are also faced by those relocated. In Laos, the Nam Theun 2 Dam project moved 6300 people from 14 villages on the Nakai Plateau as part of the Resettlement Programme and another 155,000 people along the Xe Bangfai River were identified as affected but were given less financial support.[65] The Nam Theun 2 Hydropower Company (NTPC) and the GoL implemented the resettlement programme but the Livelihood Resettlement Program's 5 pillars designed for livelihood (forestry, fisheries, agriculture, livestock and off-farm activities), showed consistent failure in providing benefits and instead led to increased poverty levels. The Livelihood Resettlement Program is also at odds with the community's cultural practices which has caused additional vulnerability.[65][66] The social impacts of hydropower projects permeate many different sectors of society and particularly those of riparian communities as they are not properly taken into account.[62]

See also edit

References edit

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External links edit

  • 3S Rivers Protection Network
  • Australian Mekong Resource Centre
  • Cambodia National Mekong Committee
  • Department of Water Resources (Thailand)
  • Electricité du Laos
  • Electricity Authority of Cambodia
  • Electricity Generating Authority of Thailand
  • Fisheries Action Coalition Team (Cambodia)
  • Greater Mekong Sub-region
  • Greater Mekong Sub-region Social Studies Center -
  • Hobo Maps Laos Hydropower Projects Info
  • International Rivers
  • MekongInfo
  • Mekong Institute
  • Mekong River Commission
  • Theun-Hinboun Power Company
  • Stimson Institute Mekong Infrastructure Tracker
  • Sustainable Mekong Research Network (SUMERNET)
  • Thailand National Mekong Committee
  • Vietnam Electricity
  • Vietnam National Mekong Committee
  • WWF Greater Mekong Programme

hydropower, mekong, river, basin, estimated, hydropower, potential, mekong, river, basin, about, megawatts, february, 2024, there, estimated, hydropower, plants, hpps, mekong, with, combined, installed, capacity, some, additional, hpps, currently, under, const. The estimated hydropower potential of Mekong River Basin about 58 930 Megawatts MW 1 2 3 As of February 2024 there are an estimated 167 Hydropower Plants HPPs in the Mekong with a combined installed capacity of some 36 376 3 MW An additional 20 HPPs are currently under construction and at various stages of completion These have a combined installed capacity of an additional 4 535 5 MW Ubol Ratana Dam in ThailandThe single most significant impact on the use of water and its management in the Mekong Region is hydropower 4 These developments in the Mekong River Basin have resulted in substantial environmental and social impacts which are summarised below These have fuelled controversy 5 and hydropower is a prominent part of the discussion around the river its basin and its management This debate occurs in both the academic literature as well as the media and is a focus for many activist groups 6 7 The countries that share the Mekong River Basin have all sought the large scale infrastructural development of its waters As part of China s Great Western Development program large scale hydropower development in China s Yunnan Province has been substantial 8 9 10 on the Mekong the Jinsha and the Red rivers Large amounts of Yunnan s hydropower is exported eastwards to energy intensive load centres such as Guangxi and Guangdong 11 Yunnan however has large electricity over supply problems which has led to significant hydropower curtailment 11 12 The Lao government has also prioritized hydropower development primarily as an export commodity In 2021 almost 82 of Lao electricity was exported mostly to Thailand 13 Power production from all sources including hydropower contributed 12 8 to national GDP in 2022 while electricity exports comprised almost 29 of total export values in the same year 14 and investments in electricity production represented 79 of total foreign direct investment in 2021 15 Most of Cambodia s hydropower has been developed in the southwest of the country outside of the Mekong River Basin 16 17 Its largest HPP the Lower Sesan 2 is however within the Mekong River Basin and generates some 20 of the country s electricity 18 Cambodia has ruled out developing hydropower on the Mekong mainstream 19 but multiple dams are planned for construction in Mekong tributary catchments Cambodia also exports electricity directly from the Don Sahong HPP a southern Lao dam located on the Mekong mainstream 20 In Thailand little technically exploitable hydropower potential remains in its parts of the Mekong River Basin Most of its HPPs were developed in the 1980s and 1990s and accompanied by large scale irrigation infrastructure development as part of the massive Kong Chi Mun Project 21 more recently rearticulated as the Khong Loei Chi Mun Project 22 23 Large scale energy infrastructure in Thailand has been met with strong resistance for example the Assembly of the Poor s opposition to the Pak Mun HPP the last dam to be commissioned in Thailand This has forced Thailand to export the social and environmental externalities of hydropower construction and operation to neighbouring states 24 25 While there are multiple HPPs planned for Myanmar parts of the Mekong River Basin 26 years of political instability have generally impended hydropower development Vietnam s Mekong hydropower development is concentrated in its Central Highlands It does not appear as if any technically exploitable hydropower potential remains Here hydropower has also been accompanied by significant irrigation development Vietnam s hydropower investments in this area includes sizeable dams on two key Mekong tributaries the Sesan and the Srepok rivers Contents 1 Mekong mainstream hydropower plants 2 Existing hydropower infrastructure in the Mekong River Basin 3 Hydropower infrastructure under construction in the Mekong River Basin 4 Environmental impacts of Mekong hydropower 5 Social Impacts 6 See also 7 References 8 External linksMekong mainstream hydropower plants editHPPs on the Mekong mainstream have aroused particular environmental concerns 27 28 The majority of these are based in China s Yunnan Province Table 1 below indicates the status of each of these HPPs Table 1 Hydropower plants on the Mekong mainstream Project Country Location COD Installed capacity MW StatusSambor nbsp 12 47 13 N 105 56 19 E 12 786849 N 105 938582 E 12 786849 105 938582 Sambor HPP N A 2 600 CancelledStung Treng nbsp 13 34 31 N 105 59 00 E 13 575317 N 105 98345 E 13 575317 105 98345 Stung Treng HPP N A 980 CancelledAngsai nbsp 32 28 00 N 95 23 39 E 32 466805 N 95 394246 E 32 466805 95 394246 Angsai HPP 55 PlannedBaita nbsp 28 58 51 N 98 37 36 E 28 980898 N 98 626669 E 28 980898 98 626669 Baita HPP PlannedBanda nbsp 30 12 00 N 97 56 01 E 30 2 N 97 93365 E 30 2 97 93365 Banda HPP 1 000 PlannedBangduo nbsp 29 28 11 N 98 23 41 E 29 469708 N 98 394729 E 29 469708 98 394729 Bangduo HPP 720 PlannedCege nbsp 30 59 06 N 97 20 20 E 30 985 N 97 339 E 30 985 97 339 Cege HPP 129 PlannedDachaoshan nbsp 24 01 30 N 100 22 13 E 24 024947 N 100 3703 E 24 024947 100 3703 Dachaoshan HPP 2003 1 350 CommissionedDahuaqiao nbsp 26 18 29 N 99 08 21 E 26 308096 N 99 139288 E 26 308096 99 139288 Dahuaqiao HPP 2018 920 CommissionedDongzhong nbsp 31 52 22 N 96 59 24 E 31 872777 N 96 99 E 31 872777 96 99 Dahuaqiao HPP 108 PlannedGanlanba nbsp 21 50 38 N 100 56 17 E 21 843867 N 100 937917 E 21 843867 100 937917 Ganlanba HPP 155 PlannedGongguoqiao nbsp 25 35 09 N 99 20 08 E 25 585917 N 99 335567 E 25 585917 99 335567 Gongguoqiao HPP 2012 900 CommissionedGuoduo nbsp 31 31 45 N 97 11 29 E 31 529089 N 97 191279 E 31 529089 97 191279 Guoduo HPP 2015 160 CommissionedGuonian nbsp 28 19 09 N 98 52 06 E 28 319211 N 98 868424 E 28 319211 98 868424 Guonian HPP N A 1 200 CancelledGushui nbsp 28 36 31 N 98 44 46 E 28 608683 N 98 746133 E 28 608683 98 746133 Gushui HPP 2 600 PlannedHuangdeng nbsp 26 32 54 N 99 06 46 E 26 548199 N 99 112669 E 26 548199 99 112669 Huangdeng HPP 2017 1 900 CommissionedJinghong nbsp 22 03 12 N 100 45 59 E 22 053206 N 100 766478 E 22 053206 100 766478 Jinghong HPP 2009 1 750 CommissionedLidi nbsp 27 50 53 N 99 01 50 E 27 848016 N 99 030555 E 27 848016 99 030555 Lidi HPP 2019 420 CommissionedLin Chang nbsp 31 10 49 N 97 11 07 E 31 1804 N 97 1852 E 31 1804 97 1852 Lin Chang HPP 72 PlannedLongqingxia nbsp 32 53 03 N 95 21 01 E 32 884167 N 95 350283 E 32 884167 95 350283 Longqingxia HPP 2006 2 5 CommissionedManwan nbsp 24 37 20 N 100 26 55 E 24 622086 N 100 448544 E 24 622086 100 448544 Manwan HPP 1995 1 570 CommissionedMengsong nbsp 21 46 49 N 101 08 51 E 21 780267 N 101 147367 E 21 780267 101 147367 Mengsong HPP N A 600 CancelledMiaowei nbsp 25 51 15 N 99 09 47 E 25 854121 N 99 163155 E 25 854121 99 163155 Miaowei HPP 2017 1 400 CommissionedNuozhadu nbsp 22 38 32 N 100 26 11 E 22 642128 N 100 436336 E 22 642128 100 436336 Nuozhadu HPP 2014 5 850 CommissionedQuzika nbsp 30 02 23 N 97 53 22 E 30 039854 N 97 889503 E 30 039854 97 889503 Quzika HPP 405 PlannedRu Mei nbsp 29 39 00 N 98 20 52 E 29 649933 N 98 3477 E 29 649933 98 3477 Ru Mei HPP 2 100 PlannedTuoba nbsp 27 11 39 N 99 06 27 E 27 194231 N 99 107516 E 27 194231 99 107516 Tuoba HPP 2025 1 400 Under constructionWunonglong nbsp 27 55 57 N 98 56 00 E 27 932554 N 98 9333 E 27 932554 98 9333 Wunonglong HPP 2018 990 CommissionedXiaowan nbsp 24 42 15 N 100 05 29 E 24 7042226 N 100 091255 E 24 7042226 100 091255 Xiaowan HPP 2010 4 200 CommissionedYue Long nbsp 30 52 05 N 97 20 50 E 30 868008 N 97 347124 E 30 868008 97 347124 Yue Long HPP 2030 100 PlannedBan Koum nbsp 15 25 04 N 105 35 15 E 15 417881 N 105 587364 E 15 417881 105 587364 Ban Koum HPP 2030 1 872 PlannedDon Sahong nbsp 13 57 22 N 105 57 51 E 13 956223 N 105 964247 E 13 956223 105 964247 Don Sahong HPP 2020 240 CommissionedLuang Prabang nbsp 20 04 00 N 102 11 32 E 20 06663 N 102 192339 E 20 06663 102 192339 Luang Prabang HPP 2030 1 460 Under constructionPak Chom nbsp 18 12 04 N 102 03 02 E 18 201038 N 102 050588 E 18 201038 102 050588 Pak Chom HPP 1 079 PlannedPak Beng nbsp 19 50 58 N 101 01 10 E 19 849455 N 101 019507 E 19 849455 101 019507 Pak Beng HPP 2033 912 PlannedPak Lay nbsp 18 24 05 N 101 35 01 E 18 401361 N 101 58362 E 18 401361 101 58362 Pak Lay HPP 2029 728 PlannedPhoug Noi nbsp 15 03 01 N 105 50 55 E 15 050186 N 105 848498 E 15 050186 105 848498 Phoug Noi HPP 2029 728 PlannedSanakham nbsp 17 49 45 N 101 33 25 E 17 829183 N 101 556969 E 17 829183 101 556969 Sanakham HPP 2028 684 PlannedThako nbsp 13 57 33 N 105 59 17 E 13 959072 N 105 988047 E 13 959072 105 988047 Thako HPP N A 86 172 CancelledXayaburi nbsp 19 15 14 N 101 48 49 E 19 254006 N 101 813699 E 19 254006 101 813699 Xayaburi HPP 2019 1 285 CommissionedNotes COD Commercial Operating Date N A Not ApplicableExisting hydropower infrastructure in the Mekong River Basin editTable 2 Commissioned dams in the Mekong River Basin 15 MW installed capacity and above 29 Project Country River Location COD Installed capacity MW Mean Annual Energy GWh Height m Crest length m Total storage million m3 Max reservoir area km2 Lower Sesan 2 nbsp Sesan 13 33 05 N 106 15 50 E 13 551408 N 106 263841 E 13 551408 106 263841 Lower Sesan 2 HPP 2018 400 2 312 45 7 729 1 790 335Dachaoshan nbsp Mekong 24 01 30 N 100 22 13 E 24 024947 N 100 3703 E 24 024947 100 3703 Dachaoshan HPP 2003 1 350 5 500 115 481 890 26 25Dahuaqiao nbsp Mekong 26 18 29 N 99 08 21 E 26 308096 N 99 139288 E 26 308096 99 139288 Dahuaqiao HPP 2018 920 4 070 106 231 5 293Ganlanba nbsp Mekong 21 50 38 N 100 56 17 E 21 843867 N 100 937917 E 21 843867 100 937917 Ganlanba HPP 2015 155 1 177 60 5 458 577 58Gongguoqiao nbsp Mekong 25 35 09 N 99 20 08 E 25 585917 N 99 335567 E 25 585917 99 335567 Gongguoqiao HPP 2012 900 4 041 105 356 316 343Guoduo nbsp Mekong 31 31 45 N 97 11 29 E 31 529089 N 97 191279 E 31 529089 97 191279 Guoduo HPP 2015 160 823 93 235 5 83Huangdeng nbsp Mekong 26 32 54 N 99 06 46 E 26 548199 N 99 112669 E 26 548199 99 112669 Huangdeng HPP 2017 1 900 8 578 203 457 1 613Jinfeng nbsp Nan La He 21 35 31 N 101 13 30 E 21 592026 N 101 225135 E 21 592026 101 225135 Jinfeng HPP 1998 16 64 3 45 19 48Jinghong nbsp Mekong 22 03 12 N 100 45 59 E 22 053206 N 100 766478 E 22 053206 100 766478 Jinghong HPP 2009 1 750 5 570 108 705 5 1 140 510Jinhe nbsp Jin He 30 48 22 N 97 19 59 E 30 806181 N 97 332926 E 30 806181 97 332926 Jinhe HPP 2004 60 367 34 68 4 4 27Laoyinyan nbsp Gua Lan Zi He Shun Dian He 24 28 09 N 99 49 03 E 24 469128 N 99 81754 E 24 469128 99 81754 Laoyinyan HPP 1997 16 4 2 1 092Lidi nbsp Mekong 27 50 53 N 99 01 50 E 27 848016 N 99 030555 E 27 848016 99 030555 Lidi HPP 2019 420 1 753 75 346 4 75 3 7Luozhahe 1 nbsp Luo Zha He 24 30 19 N 100 27 06 E 24 505207 N 100 451749 E 24 505207 100 451749 Luozhahe 1 HPP 2018 30 135 59 14 33Luozhahe 2 nbsp Luo Zha He 24 29 13 N 100 24 08 E 24 486867 N 100 402128 E 24 486867 100 402128 Luozhahe 2 HPP 2016 50 225 71 3 391Manwan nbsp Mekong 24 37 20 N 100 26 55 E 24 622086 N 100 448544 E 24 622086 100 448544 Manwan HPP 1995 1 570 6 710 132 418 920 415Miaowei nbsp Mekong 25 51 15 N 99 09 47 E 25 854121 N 99 163155 E 25 854121 99 163155 Miaowei HPP 2017 1 400 5 999 140 660Nanhe 1 nbsp Luo Zha He 24 20 33 N 100 00 44 E 24 342442 N 100 012183 E 24 342442 100 012183 Nanhe 1 HPP 2009 40 170 56 8 148 11 36Nanhe 2 nbsp Luo Zha He 24 22 38 N 100 03 00 E 24 377086 N 100 050098 E 24 377086 100 050098 Nanhe 2 HPP 25 100Nuozhadu nbsp Mekong 22 38 32 N 100 26 11 E 22 642128 N 100 436336 E 22 642128 100 436336 Nuozhadu HPP 2014 5 850 23 912 262 608 23 703 320Wunonglong nbsp Mekong 27 55 57 N 98 56 00 E 27 932554 N 98 9333 E 27 932554 98 9333 Wunonglong HPP 2018 990 4 116 138 247 284Xiaowan nbsp Mekong 24 42 15 N 100 05 29 E 24 7042226 N 100 091255 E 24 7042226 100 091255 Xiaowan HPP 2010 4 200 18 990 295 893 14 560 194Xi er He 1 nbsp Xi er He 25 34 44 N 100 12 09 E 25 578801 N 100 202419 E 25 578801 100 202419 Xi er He 1 HPP 1979 105 440Xi er He 2 nbsp Xi er He 25 33 43 N 100 07 52 E 25 561991 N 100 131191 E 25 561991 100 131191 Xi er He 2 HPP 1987 50 37 122 0 2Xi er He 3 nbsp Xi er He 25 33 31 N 100 06 28 E 25 558584 N 100 107878 E 25 558584 100 107878 Xi er He 3 HPP 1988 50 223 21Xi er He 4 nbsp Xi er He 25 34 35 N 100 03 56 E 25 576262 N 100 065574 E 25 576262 100 065574 Xi er He 4 HPP 1971 50 14XunCun nbsp Hei Hui Jiang 25 25 19 N 99 59 36 E 25 421835 N 99 993301 E 25 421835 99 993301 XunCun HPP 1999 78 345 67 165 74Zongtongka nbsp Angqu 31 09 06 N 97 08 04 E 31 151775 N 97 134375 E 31 151775 97 134375 Zongtongka HPP 104 451 7 71 124 6Mong Wa nbsp Nam Lwe 21 23 49 N 100 19 33 E 21 396967 N 100 32584 E 21 396967 100 32584 Mong Wa HPP 2017 66 330 45 51 78 8 01Don Sahong nbsp Mekong 13 57 22 N 105 57 51 E 13 956223 N 105 964247 E 13 956223 105 964247 Don Sahong HPP 2020 240 2 000 25 6 800 25 2 2Houay Ho nbsp Houayho Xekong 15 03 34 N 106 45 52 E 15 059464 N 106 764377 E 15 059464 106 764377 Houayho HPP 1999 152 450 79 3 530 37Houay La Nge nbsp Houay La Nge 15 46 30 N 107 03 18 E 15 774865 N 107 054896 E 15 774865 107 054896 Houay La Nge HPP 2023 60 290 58 179 14 93 6Houay Lamphan Gnai nbsp Xekong 15 21 23 N 106 29 56 E 15 356495 N 106 498949 E 15 356495 106 498949 Houay Lamphan Gnai HPP 2015 84 8 480 77 74 5 140 9Houay Por nbsp Houay Por 15 32 44 N 106 15 24 E 15 545605 N 106 256763 E 15 545605 106 256763 Houay Por HPP 2018 15 75 6 0 76Lower Houay Lam Phanh nbsp Houay Lamphan 15 19 17 N 106 37 48 E 15 321515 N 106 630123 E 15 321515 106 630123 Lower Houay Lam Phanh HPP 2022 15 68 55 523 73 9Nam Ao nbsp Nam Ao 19 09 39 N 103 16 59 E 19 160876 N 103 283107 E 19 160876 103 283107 Nam Ao HPP 2023 15 92 26 130 52 4 9Nam Beng nbsp Nam Beng 19 56 47 N 101 14 15 E 19 946436 N 101 237563 E 19 946436 101 237563 Nam Beng HPP 2014 36 145 25 5 84 8 3 611 0 7Nam Che 1 nbsp Nam Che 19 03 17 N 103 30 49 E 19 054645 N 103 513536 E 19 054645 103 513536 Nam Che 1 HPP 2019 16 8 23 50Nam Chien 1 nbsp Nam Che 19 08 43 N 103 33 26 E 19 145395 N 103 557259 E 19 145395 103 557259 Nam Chien 1 HPP 2018 104 448 2 68 8 367 14Nam Houng 1 nbsp Nam Houng 19 11 24 N 101 48 23 E 19 189914 N 101 806322 E 19 189914 101 806322 Nam Young 1 HPP 2023 15 57 1 52Nam Khan 2 nbsp Nam Khan 19 41 07 N 102 22 11 E 19 685364 N 102 369791 E 19 685364 102 369791 Nam Khan 2 HPP 2015 130 558 160 405 30 5Nam Khan 3 nbsp Nam Khan 19 44 49 N 102 13 22 E 19 747016 N 102 222793 E 19 747016 102 222793 Nam Khan 3 HPP 2016 88 480 77 74 5 140 9Nam Kong 1 nbsp Nam Kong 14 32 47 N 106 44 27 E 14 546513 N 106 740933 E 14 546513 106 740933 Nam Kong HPP 1 2021 160 649 87 386 679 21 8Nam Kong 2 nbsp Nam Kong 14 29 41 N 106 51 24 E 14 494672 N 106 856669 E 14 494672 106 856669 Nam Kong HPP 2 2018 66 264 50 210 71 4 4 2Nam Kong 3 nbsp Nam Kong 14 33 59 N 106 54 45 E 14 566338 N 106 912551 E 14 566338 106 912551 Nam Kong 3 HPP 2021 54 204 65 500 471 32Nam Leuk nbsp Nam Leuk Nam Ngum 18 26 15 N 102 56 48 E 18 437406 N 102 94675 E 18 437406 102 94675 Nam Leuk HPP 2000 60 215 51 5 800 185 17 2Nam Lik 1 nbsp Nam Lik 18 37 10 N 102 23 14 E 18 619438 N 102 387252 E 18 619438 102 387252 Nam Lik 1 HPP 2019 64 256 36 5 72 22 3Nam Lik 1 2 nbsp Nam Lik 18 47 38 N 102 07 00 E 18 793782 N 102 116714 E 18 793782 102 116714 Nam Lik 1 2 HPP 2010 100 435 103 328 11 24 4Nam Mang 1 nbsp Nam Mang 18 32 03 N 103 11 47 E 18 53423 N 103 196286 E 18 53423 103 196286 Nam Mang 1 HPP 2016 64 225 70 280 16 5 0 148Nam Mang 3 nbsp Nam Gnogn 18 20 58 N 102 45 55 E 18 349383 N 102 765244 E 18 349383 102 765244 Nam Mang 3 HPP 2004 40 150 28 151 49 10Nam Ngiep 1 nbsp Nam Ngiep 18 38 45 N 103 33 08 E 18 645828 N 103 552329 E 18 645828 103 552329 Nam Ngiep 1 HPP 2019 272 1 546 167 530 1 192 67Nam Ngiep 1 DS nbsp Nam Ngiep 18 38 53 N 103 34 18 E 18 647966 N 103 571591 E 18 647966 103 571591 Nam Ngiep 1 DS HPP 2019 18 105 20 90 4 6 1 27Nam Ngiep 2 nbsp Nam Ngiep 19 14 36 N 103 17 02 E 19 243328 N 103 283818 E 19 243328 103 283818 Nam Ngiep 2 HPP 2015 180 732 70 5 163Nam Ngiep 2B nbsp Nam Ngiep 19 09 21 N 103 20 46 E 19 155918 N 103 346031 E 19 155918 103 346031 Nam Ngiep 2B HPP 2015 18 76Nam Ngiep 3A nbsp Nam Ngiep 19 14 37 N 103 17 02 E 19 243546 N 103 283913 E 19 243546 103 283913 Nam Ngiep 3A HPP 2014 44 144 30 110 13 85 1 8Nam Ngum 1 nbsp Nam Ngum 18 31 52 N 102 32 51 E 18 531068 N 102 547577 E 18 531068 102 547577 Nam Ngum 1 HPP 1971 315 1 455 70 468 4 700 370Nam Ngum 2 nbsp Nam Ngum 18 45 19 N 102 46 35 E 18 755374 N 102 776476 E 18 755374 102 776476 Nam Ngum 2 HPP 2011 615 2 300 181 5 421 3 590 122 2Nam Ngum 5 nbsp Nam Ngum 19 21 22 N 102 37 16 E 19 356095 N 102 621196 E 19 356095 102 621196 Nam Ngum 5 HPP 2012 120 507 104 5 258 314 14 6Nam Ou 1 nbsp Nam Ou 20 05 18 N 102 15 55 E 20 0883 N 102 265379 E 20 0883 102 265379 Nam Ou 1 HPP 2019 160 710 65 442 89 1 9 56Nam Ou 2 nbsp Nam Ou 20 24 42 N 102 28 22 E 20 411698 N 102 472817 E 20 411698 102 472817 Nam Ou 2 HPP 2016 120 546 55 352 121 7 15 7Nam Ou 3 nbsp Nam Ou 20 41 43 N 102 39 55 E 20 695251 N 102 665404 E 20 695251 102 665404 Nam Ou 3 HPP 2020 150 685 72 340 168 6 13 26Nam Ou 4 nbsp Nam Ou 21 07 13 N 102 29 39 E 21 120153 N 102 494173 E 21 120153 102 494173 Nam Ou 4 HPP 2020 116 524 47 300 124 9 37Nam Ou 5 nbsp Nam Ou 21 24 41 N 102 20 39 E 21 411349 N 102 344263 E 21 411349 102 344263 Nam Ou 5 HPP 2016 240 1 049 74 335 17 22Nam Ou 6 nbsp Nam Ou 21 24 41 N 102 20 39 E 21 411349 N 102 344263 E 21 411349 102 344263 Nam Ou 6 HPP 2016 180 739 88 409 17 01Nam Ou 7 nbsp Nam Ou 22 04 40 N 102 15 52 E 22 07779 N 102 264436 E 22 07779 102 264436 Nam Ou 7 HPP 2020 190 811 147 825 1 494 38 16Nam Pha Gnai nbsp Nam Pha Gnai 19 00 48 N 102 15 52 E 19 013318 N 102 264436 E 19 013318 102 264436 Nam Pha Gnai HPP 2016 19 2 130 65 148 1 5Nam Phay nbsp Nam Phay 19 06 34 N 102 45 27 E 19 109357 N 102 757461 E 19 109357 102 757461 Nam Phay HPP 2018 86 419 5 18 92Nam San 3A nbsp Nam San 19 07 45 N 103 39 42 E 19 129193 N 103 661752 E 19 129193 103 661752 Nam San 3A HPP 2016 69 278 4 75 350 123 8 5Nam San 3B nbsp Nam San 19 05 08 N 103 37 12 E 19 085633 N 103 619938 E 19 085633 103 619938 Nam San 3B HPP 2015 45 198Nam Tha 1 nbsp Nam Tha 20 14 58 N 100 53 33 E 20 249467 N 100 892433 E 20 249467 100 892433 Nam Tha 1 HPP 2018 168 759 4 93 7 349 2 1 755 113 9Nam Tha Had Muak nbsp Nam Tha 20 14 34 N 100 42 44 E 20 24264 N 100 712302 E 20 24264 100 712302 Nam Tha 1 HPP 2022 37 5 102 67Nam Theun 1 nbsp Nam Theun 18 21 24 N 104 08 53 E 18 356733 N 104 148017 E 18 356733 104 148017 Nam Theun 1 HPP 2022 650 2 561 177 771 2 772 93 6Nam Theun 2 nbsp Nam Theun Xe Bangfai 17 59 50 N 104 57 08 E 17 997353 N 104 952306 E 17 997353 104 952306 Nam Theun 2 HPP 2010 1 075 5 936 48 325 3 500 450Theun Hinboun nbsp Nam Theun 18 15 40 N 104 33 45 E 18 261005 N 104 562525 E 18 261005 104 562525 Theun Hinboun Hydropower Plant 1998 220 1 645 48 810 1 300 49Theun Hinboun Expansion Project nbsp Nam Gnouang 18 17 50 N 104 38 10 E 18 297248 N 104 636171 E 18 297248 104 636171 Theun Hinboun Expansion Project 2013 222 1 395 65 480 2 450 49Xayaburi nbsp Mekong 19 15 14 N 101 48 49 E 19 254006 N 101 813699 E 19 254006 101 813699 Xayaburi HPP 2019 1 285 6 035 48 810 1 300 49Xe Kaman 1 nbsp Xe Kaman 14 57 39 N 107 09 23 E 14 960724 N 107 156336 E 14 960724 107 156336 Xe Kaman 1 HPP 2018 290 1 096 120 185 4 804 149 8Xe Kaman 3 nbsp Xe Kaman 15 25 31 N 107 21 45 E 15 425194 N 107 362611 E 15 425194 107 362611 Xe Kaman 3 HPP 2014 250 1 000 102 543 141 5 5 2Xe Kaman Sanxay nbsp Xe Kaman 14 53 20 N 107 07 02 E 14 888908 N 107 117133 E 14 888908 107 117133 Xe Kaman Sanxay HPP 2018 32 131 2 28 180 1 76Xe Lanong 1 nbsp Xe Lanong 16 21 23 N 106 14 19 E 16 356276 N 106 238749 E 16 356276 106 238749 Xe Lanong 1 HPP 2020 70 269 9 67 5 302 953Xepian Xenamnoy nbsp Xepian Xenamnoy 15 01 34 N 106 37 39 E 15 026115 N 106 627369 E 15 026115 106 627369 Xepian Xenamnoy HPP 2019 427 1 788 73 1 600 1 043 50 6Xe Nam Noy Xe Katam nbsp Xenamnoi Xekatam 15 07 05 N 106 37 00 E 15 117928 N 106 616688 E 15 117928 106 616688 Xepian Xenamnoy HPP 2016 20 1 83Xeset 1 nbsp Xeset 15 29 31 N 106 16 43 E 15 49200 N 106 27867 E 15 49200 106 27867 Xeset 1 HPP 1994 45 154 18 124Xeset 2 nbsp Xeset 15 24 14 N 106 16 49 E 15 403775 N 106 280332 E 15 403775 106 280332 Xeset 1 HPP 2009 76 309 26 144Xeset 3 nbsp Xe Don 15 20 32 N 106 18 40 E 15 342113 N 106 31115 E 15 342113 106 31115 Xeset 3 HPP 2017 23 80 11 1 3Chulabhorn nbsp Nam Phrom 16 32 11 N 101 39 00 E 16 536267 N 101 650036 E 16 536267 101 650036 Chulabhorn HPP 1972 40 93 70 700 165 31Lam Ta Khong nbsp Lam Ta Khong 14 51 55 N 101 33 37 E 14 865175 N 101 560303 E 14 865175 101 560303 Lam Ta Khong HPP 1974 500 400 40 3 251 310 37Pak Mun nbsp Mun 15 16 55 N 105 28 05 E 15 2818942 N 105 468058 E 15 2818942 105 468058 Pak Mun HPP 1994 136 280 17 300Sirindhorn nbsp Lam Dom Noi 15 12 23 N 105 25 45 E 15 206339 N 105 429156 E 15 206339 105 429156 Siridhorn HPP 1971 36 86 42 940 1 967 288Ubol Ratana nbsp Nam Pong 16 46 31 N 102 37 06 E 16 775394 N 102 618325 E 16 775394 102 618325 Ubol Ratana HPP 1966 25 2 57 35 1 885 2 559 410A Luoi nbsp A Sap 16 11 51 N 107 09 43 E 16 197619 N 107 161897 E 16 197619 107 161897 A Luoi HPP 2012 170 686 49 5 208Buon Kuop nbsp Sre Pok 12 31 30 N 107 55 33 E 12 52504 N 107 925762 E 12 52504 107 925762 Buon Kop HPP 2009 280 1 455 34 1 828 37 5 57Buon Tua Sra nbsp Se San Krong Po Ko 12 16 56 N 108 02 29 E 12 282116 N 108 041299 E 12 282116 108 041299 Buon Tua Srah HPP 2009 86 359 83 1 041 787 41Dray Hlinh 2 nbsp Sre Pok 12 40 33 N 107 54 14 E 12 6757 N 107 903978 E 12 6757 107 903978 Dray Hinh 2 HPP 2007 16 85Hoa Phu nbsp Sre Pok 12 38 59 N 107 54 33 E 12 64967 N 107 909128 E 12 64967 107 909128 Hoa Phu HPP 2014 29 132 12 384 5 5 1 6Krong No 2 nbsp Krong No 12 15 16 N 108 21 20 E 12 254355 N 108 355469 E 12 254355 108 355469 Krong No 2 HPP 2016 30 109 9 3Krong No 3 nbsp Krong No 12 15 16 N 108 21 20 E 12 254355 N 108 355469 E 12 254355 108 355469 Krong No 3 HPP 2016 18 63 5 42 260 20 1 75Plei Krong nbsp Se San Krong Po Ko 14 24 30 N 107 51 47 E 14 408227 N 107 862991 E 14 408227 107 862991 Plei Krong HPP 2008 100 479 65 745 1 049 53Sesan 3 nbsp Se San 14 12 57 N 107 43 19 E 14 215816 N 107 722061 E 14 215816 107 722061 Sesan 3 HPP 2006 260 1 224 79 6 4Sesan 3A nbsp Se San 14 06 23 N 107 39 28 E 14 106475 N 107 657753 E 14 106475 107 657753 Sesan 3A HPP 2007 96Sesan 4 nbsp Se San 13 58 06 N 107 29 43 E 13 968252 N 107 49516 E 13 968252 107 49516 Sesan 4 HPP 2009 360 60 54Sesan 4A nbsp Se San 13 56 00 N 107 28 01 E 13 933374 N 107 46683 E 13 933374 107 46683 Sesan 4 HPP 2009 360 60 54Sre Pok 3 nbsp Sre Pok 12 45 08 N 107 52 36 E 12 752344 N 107 876769 E 12 752344 107 876769 Sre Pok 3 HPP 2009 220 52 5Sre Pok 4 nbsp Sre Pok 12 48 26 N 107 51 19 E 12 807331 N 107 855308 E 12 807331 107 855308 Sre Pok 4 HPP 2009 600 329 3 155 860 114 150Sre Pok 4A nbsp Sre Pok 12 53 36 N 107 48 44 E 12 893464 N 107 812294 E 12 893464 107 812294 Sre Pok 4A HPP 2014 308 35 4Upper Kontum nbsp Se San Dak Bla Dak Ngh 14 41 39 N 108 13 48 E 14 694291 N 108 229879 E 14 694291 108 229879 Upper Kontum HPP 2011 250 1 056 4 73 392 174 7 08Yali Falls nbsp Se San 14 13 39 N 107 49 47 E 14 227481 N 107 829597 E 14 227481 107 829597 Yali Falls HPP 2001 720 3 658 6 65 1 460 1 073 64 5Yan Tann Sien nbsp Yan Tann Sien 12 09 10 N 108 22 43 E 12 152824 N 108 37866 E 12 152824 108 37866 Yan Tann Sien HPP 2010 19 5 79Notes COD Commercial Operating DateHydropower infrastructure under construction in the Mekong River Basin editTable 3 Hydropower dams under construction in the Mekong River Basin 15 MW installed capacity and above 29 Project Country River Location COD Installed capacity MW Mean Annual Energy GWh Height m Crest length m Total storage million m3 Max reservoir area km2 Pursat 1 nbsp Pursat 12 17 07 N 103 17 56 E 12 285408 N 103 298828 E 12 285408 103 298828 Pursat 1 Dam 2026 80 361 100 687 1 039Charikou nbsp Tsichu 32 40 12 N 96 33 42 E 32 670005 N 96 561546 E 32 670005 96 561546 Charikou Dam 54 121 4 198 48 421Jiaoba nbsp Dengqu 29 34 46 N 98 18 22 E 29 579527 N 98 306028 E 29 579527 98 306028 Jiaoba Dam 60 50Tuoba nbsp Mekong 27 11 39 N 99 06 27 E 27 194231 N 99 107516 E 27 194231 99 107516 Tuoba Dam 2025 1 400 6 200 158 396 1 039Houay Kaouane nbsp 20 04 00 N 102 11 32 E 20 06663 N 102 192339 E 20 06663 102 192339 Houay Kaouane 24Luang Prabang nbsp Mekong 20 04 00 N 102 11 32 E 20 06663 N 102 192339 E 20 06663 102 192339 Luang Prabang Dam 2030 1 460 6 500 80 275 1 589 5 72 39Nam Ang nbsp Nam Ang 15 07 21 N 107 06 31 E 15 122545 N 107 108512 E 15 122545 107 108512 Nam Ang Dam 2024 31 183 3 0 03Nam Emoun nbsp Nam Emoun 15 34 27 N 106 58 10 E 15 5743 N 106 969395 E 15 5743 106 969395 Nam Emoun Dam 2025 131 5 460 59 29 127 0 07 0 16Nam Hinboun 1 nbsp Nam Hinboun 17 43 42 N 104 34 17 E 17 728201 N 104 571382 E 17 728201 104 571382 Nam Hinboun 1 Dam 2024 15 79 74 33 70Nam Hinboun 2 nbsp Nam Hinboun 18 01 25 N 104 25 30 E 18 023739 N 104 425006 E 18 023739 104 425006 Nam Hinboun 2 Dam 30 155 2 38 2 57Nam Ngao nbsp Nam Hinboun 20 23 54 N 100 25 55 E 20 398288 N 100 431852 E 20 398288 100 431852 Nam Ngao Dam 15 81 1 69 438 6 2 57Nam Ngum 3 nbsp Nam Ngum 19 05 03 N 102 52 44 E 19 084097 N 102 878817 E 19 084097 102 878817 Nam Ngum 3 Dam 2024 480 2 345 220 395 1 411 27 51Nam Ngum 4 nbsp Nam Ngum 19 27 14 N 103 00 37 E 19 453804 N 103 010325 E 19 453804 103 010325 Nam Ngum 4 Dam 2024 240 872 74 110Nam Phan Bolevan nbsp Nam Phak 15 04 32 N 106 08 21 E 15 075548 N 106 139196 E 15 075548 106 139196 Nam Phan Dam 2025 168 788Nam Pot 1 nbsp Nam Pot 19 09 19 N 103 15 59 E 19 15518 N 103 266356 E 19 15518 103 266356 Nam Pot 1 Dam 20 92 4 9Xe Lanong 2 nbsp Xe Lanong 16 17 31 N 106 31 04 E 16 291893 N 106 517774 E 16 291893 106 517774 Xe Lanong 2 Dam 35 143 55Xekong A DS nbsp Xekong 14 35 57 N 106 33 15 E 14 599171 N 106 554175 E 14 599171 106 554175 Xekong A DS 2025 86 334 7 8 5 95 03 25 4Xekong 4B DS nbsp Xekong 15 44 39 N 106 44 55 E 15 744284 N 106 748666 E 15 744284 106 748666 Xekong 4B 2027 175 801 117 1 004 7 22 4Notes COD Commercial Operating DateEnvironmental impacts of Mekong hydropower editThe environmental impacts of Mekong hydropower development are generally well studied and understood Some the key impacts of Mekong hydropower are as follows Hydrological impacts about 75 of annual flows through the Mekong system occur between late June and early November 30 31 which drives ecological productivity throughout the system 32 33 This surge of water is known as the flood pulse and dams of all kinds will contribute to its diminution Wet season flows can be expected to reduce while dry season flows can be expected to increase 34 This has significant implications for the Mekong s ecology Fisheries impacts the Mekong s fisheries are threatened in multiple ways most importantly by dams and excessive fishing pressure 35 Dams affect fisheries by 36 Acting as barriers to fish migration either as fish try to migrate upstream to spawn or for trapping fish fry or eggs as these travel downstream Interrupting natural flood cycles to which fish have evolved and adapted to over thousands of years Riverbed hardening Dams typically release water in bursts which removes smaller sediments like silt sand and gravel as well as aquatic plants and animals and debris from vegetation As a result the bedrock below the dam becomes exposed and loses its value as a fish habitat Trapping sediment a significant source of nutrition for fish 37 Altering water temperature Water released from a dam is typically colder than prevailing temperatures downstream of the dam This has a direct impact on fish habitats and populations Hydropeaking which refers to the release of water from HPPs when demand is highest usually during the day and much smaller releases when demand is low This also affects fisheries through the rapid alteration and high and low river flows Globally hydropeaking has been found to impact fish biodiversity and fish community composition 36 38 39 The fisheries impact of all existing and planned mainstream dams will be most felt in Cambodia which will experience three quarters of the loss while the balance will be experienced in Vietnam Lao PDR and Thailand 39 In terms of tonnages this will represent a loss of between 580 750 000 Mt per year 39 In another study by the Mekong River Commission fisheries assessments conducted in 2020 suggested that the annual finfish yield from the lower Mekong i e those parts of the basin that fall within Cambodia Laos Thailand and Vietnam was between 1 51 to 1 71 million tonnes while the harvest of other aquatic animals OAAs was approximately 443 000 tons This is approximately 25 30 less than yield estimates conducted in 2000 and 2010 The estimated value of the fish catch varies from USD 7 13 billion to USD 8 37 billion annually In addition the estimated value of the OAA harvest is approximately USD 1 13 billion 40 Sediment impacts in the Mekong some 40 of the sediments that reach the Mekong Delta are derived from the Three Parallel Rivers area in Yunnan while some 52 come from the Central Highlands of Vietnam 41 The balance comes from those parts of the basin in northern Thailand and the Tibetan gorges 41 42 Sediment loads are lowest during the dry season and highest during the first months of the flood season when loose sediments weathered during the dry season are washed into rivers 41 43 Although suspended sediment concentrations in the Mekong have been monitored since 1994 the pre disturbance sediment load is unknown Nevertheless studies can demonstrate very significant declines in the Mekong s sediment load since 2001 At Chiang Saen sediment flows have decreased from about 85 million metric tonnes per year Mt yr to 10 8 million Mt yr meaning that the sediment contributions from China to the Mekong mainstream has decreased to about 16 of all sediments in the Lower Mekong as compared to about 55 historically 44 A similar trend is seen down stream at Pakse where average loads have decreased from 147 Mt yr to 66 Mt yr between 1994 and 2013 44 The declining sediment load has significant implications for the Mekong Delta recharging sediments otherwise washed away by the sea consumed by sea level rise or in combination with land subsidence Studies of the possible long term consequences of system wide sediment reductions suggest that it is likely that nearly half of the Delta s land surface will be below sea level by 2100 with the remaining areas impacted by saline intrusion from the sea and frequent flooding 42 Much of the Mekong s sediment decline is attributed to the trapping efficiency of dams 42 44 45 46 Forest impacts there is a two way relationship between reservoir hydropower a deforestation in the catchments they draw on In the absence of soil conservation measures deforestation often contributes to increased erosion which is then deposited in the reservoir a reducing reservoir capacity The 1 570 MW Manwan HPP on the Mekong mainstream in China for example lost 21 5 22 8 of the total storage capacity to sediments in its first 11 years of operation 47 But hydropower can also drive deforestation Reservoirs need to be cleared of vegetation before filling and given the size of some reservoirs the area subjected to clearance can be considerable The deforestation impact of reservoir clearance in the Mekong is unknown In 2008 an estimated 60 of the timber harvested in Laos was approved under special quotas for hydroelectric and other infra structure projects 48 It has been estimated that hydropower development contributes to the loss of 13 100 ha of forest a year in Laos 49 Over 2006 07 the Lao national timber quota was temporarily raised by 400 000 m3 to allow for logging specifically related to the development of the Nam Theun 2 HPP 50 It has been argued that logging represents an additional motivation to hydropower development and is frequently linked to corrupt actors clarification needed 51 River connectivity connectivity refers to the degree to which matter and organisms can move among spatially defined units in a natural system River connectivity is typically described as longitudinal between a river s main channel and its floodplains lateral between upstream areas in the river channel or catchment and downstream ones and vertical within the water column between upper water layers and lower ones 52 53 River connectivity can be conceptualised as a continuum from fully connected to disconnected River connectivity strongly influences the resistance and resilience of rivers to natural and human induced disturbances 53 Dams interrupt connectivity and so fish cannot swim upstream to spawn or breed dams affect water quality in a variety of ways altering upstream ecosystems so that they contrast starkly with downstream ones Dam reservoirs are lacustrine lake like environments unlike rapidly flowing waters downstream upstream the water is heavy with sediments while downstream it is not above the dam the water is cold while below it it is warmer A 2014 study explores an HPP build out of 81 proposed dams across the Mekong Basin 54 If this were to occur it would reduce the Mekong s connectivity to just 11 by 2022 This build out already well advanced would make the Mekong one of the most heavily impounded rivers in the world Greenhouse gases hydropower reservoirs do emit greenhouses gases GHGs although the volumes and types depend on the reservoir s latitude and age 55 Young reservoirs tend to release larger amounts of GHGs than older ones due to the availability of decomposing vegetation and other organic matter soon after initial inundation tropical reservoirs tend to release more than temperate ones due to higher rates of net primary production 55 56 In the Mekong one study looked at 119 reservoirs across the basin and found that these emit be tween 0 2 1 994 kg of CO2 per MWh over a 100 year lifetime with a median of 26 kg of CO per MWh 57 Hydropower reservoirs that also provided irrigation water 22 had generally higher emissions reaching over 22 000 kg of CO2 per MWh 57 Yearly emissions ranged from 26 to 181 3 000 Mt of CO2 per year over a 100 year lifetime with a median of 28 000 Mt of CO2 per year Altogether 82 of hydropower reservoirs 119 and 45 of reservoirs also providing irrigation 22 had emissions comparable to other renewable energy sources lt 190 kg CO2 per MWh while the rest had higher emissions equivalent to fossil fuel power plants gt 380 kg CO2 per MWh 57 These results the study authors caution are tentative and they suggest that hydropower in the Mekong Region cannot be considered categorically as low emission energy Instead the GHG emissions of hydropower should be carefully considered case by case 57 Social Impacts editSocial impacts such as livelihood and food insecurity largely effect riparian communities because of hydropower projects and these effects are multiplied by environmental issues of decreased water quality decreased fish quantity and unstable water flow 58 Loss of livelihood has become more significant as more dams are constructed along the Mekong River and this has become more evident by the change in the river s biodiversity 59 For example fisherman in a town in northeastern Thailand Isan estimate that their 2015 fish yield was only 30 of a normal year 60 The villagers of this same town also experience vulnerability in their cultural patterns as irregular flooding causes holidays and celebrations based on a water calendar to no longer coincide 61 Villages near dams experience other social issues alongside livelihood and food insecurity A study of the Xe Pian Xe Namnoy Dam found that local communities face forced relocation economic loss livelihood insecurities PTSD food insecurity and UXOs 59 62 Due to PTSD and psychological impacts incurred many villagers also hesitate to return to their former villages and the stress about the present has resulted in increased anxiety over the future 63 As for food insecurity the changing of the river flow due to hydropower projects has severely influenced agriculture and aquaculture as necessary nutrients for rice cultivation and fishery production are limited 64 Issues of food and livelihood security are also faced by those relocated In Laos the Nam Theun 2 Dam project moved 6300 people from 14 villages on the Nakai Plateau as part of the Resettlement Programme and another 155 000 people along the Xe Bangfai River were identified as affected but were given less financial support 65 The Nam Theun 2 Hydropower Company NTPC and the GoL implemented the resettlement programme but the Livelihood Resettlement Program s 5 pillars designed for livelihood forestry fisheries agriculture livestock and off farm activities showed consistent failure in providing benefits and instead led to increased poverty levels The Livelihood Resettlement Program is also at odds with the community s cultural practices which has caused additional vulnerability 65 66 The social impacts of hydropower projects permeate many different sectors of society and particularly those of riparian communities as they are not properly taken into account 62 See also editMekong Mekong Delta Stung Sen River Se San River Tonle Sap Nam Ngum Dam Mekong River Commission Yali Falls Dam Greater Mekong Sub region Academic and Research Network GMS Environment Operations Center Hydropower in ChinaReferences edit Mekong Mainstream Dams International Rivers Retrieved 2017 09 09 Mekong River Commission 2010 State of the Basin Report 2010 PDF MRC Vientiane Laos J Dore Y Xiaogang K Yuk shing 2007 China s energy reforms and hydropower expansion in Yunnan In L Lebel J Dore R Daniel Y S Koma eds Democratizing Water Governance in the Mekong Region Chiang Mai Silkworm Books pp 55 92 ISBN 978 9749511251 CGIAR Challenge Program on Water and Food CPWF Mekong Archived from the original on April 28 2012 Retrieved May 19 2012 Thousands Call for Regional Governments to Save the Mekong International Rivers Retrieved 2017 09 09 A Dangerous Trajectory for the Mekong River International Rivers Retrieved 2017 09 09 Yeophantong Pichamon 2014 China s Lancang Dam Cascade and Transnational Activism in the Mekong Region Who s Got the Power Asian Survey 54 4 700 24 doi 10 1525 as 2014 54 4 700 Hennig Thomas Wang Wenling Magee Darrin He Damming 2016 Yunnan s Fast Paced Large Hydropower Development A Powershed Based Approach to Critically Assessing Generation and Consumption Paradigms Water 8 10 476 doi 10 3390 w8100476 ISSN 2073 4441 Magee Darrin 2006 Powershed Politics Yunnan Hydropower under Great Western Development The China Quarterly 185 2006 23 41 doi 10 1017 S0305741006000038 S2CID 154714463 Tilt Brian 2015 Dams and development in China the moral economy of water and power New York Colombia University Press ISBN 978 0 231 17010 9 a b Liu Shuangquan Davidson Michael 2021 China trading power improving environmental and economic efficiency of Yunnan s electricity market PDF Report Environment and Natural Resources Program Belfer Center for Science and International Affairs Harvard Kennedy School Retrieved February 8 2024 Cheng Chuntian Chen Fu Li Gang Ristic Bora Mirchi Ali Qiyu Tu Madani Kaveh 2018 Reform and renewables in China The architecture of Yunnan s hydropower dominated electricity market Renewable and Sustainable Energy Reviews 94 2018 682 693 doi 10 1016 j rser 2018 06 033 S2CID 117337384 Laos electricity exports Retrieved February 8 2024 BOL 2023 Annual Economic Report 2022 PDF Report Bank of the Lao PDR Retrieved January 12 2024 Department of Investment Promotion Ministry of Planning and Investment Lao PDR Statistics Retrieved 28 January 2024 Future Forum Cambodia April 2021 Chinese State Owned Enterprises and Infrastructure Development in Cambodia The Tatay River Hydropower Dam Project PDF Report BRI Monitor Retrieved February 10 2024 Siciliano Giuseppina Urban Frauke Tan Mullins May Lonn Pichdara Kim Sour 2016 The Political Ecology of Chinese Large Dams in Cambodia Implications Challenges and Lessons 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ecolind 2014 03 026 a b Deemer Bridget R Harrison John A Li Siyue Beaulieu Jake J DelSontro Tonya Barros Nathan Bezerra Neto Jose F Power Stephen M dos Santos Marco A Vonk J Arie 2016 Greenhouse Gas Emissions from Reservoir Water Surfaces A New Global Synthesis BioScience 66 11 949 964 doi 10 1093 biosci biw117 Yan Xingcheng Thieu Vincent Garnier Josette 2020 Long Term Evolution of Greenhouse Gas Emissions From Global Reservoirs Front Environ Sci 9 2021 2408 doi 10 3389 fenvs 2021 705477 a b c d Rasanen Timo Varis Olli Scherer Laura Kummu Matti 2018 Greenhouse gas emissions of hydropower in the Mekong River Basin Environ Res Lett 13 2018 034030 doi 10 1088 1748 9326 aaa817 Soukhaphon Akarath Baird Ian G Hogan Zeb S January 2021 The Impacts of Hydropower Dams in the Mekong River Basin A Review Water 13 3 265 doi 10 3390 w13030265 ISSN 2073 4441 a b Soukhaphon Akarath Baird Ian G Hogan Zeb S 2021 01 22 The Impacts of Hydropower Dams in the Mekong River Basin A Review Water 13 3 265 doi 10 3390 w13030265 ISSN 2073 4441 Johnson Andrew Alan September 2019 The river grew tired of us HAU Journal of Ethnographic Theory 9 2 390 404 doi 10 1086 706045 ISSN 2575 1433 S2CID 213367918 via HAU Johnson Andrew Alan 2019 11 13 The river grew tired of us Spectral flows along the Mekong River HAU Journal of Ethnographic Theory 9 2 390 404 a b Baird Ian G 2020 10 21 Catastrophic and slow violence thinking about the impacts of the Xe Pian Xe Namnoy dam in southern Laos The Journal of Peasant Studies 48 6 1167 1186 doi 10 1080 03066150 2020 1824181 ISSN 0306 6150 S2CID 226325997 Baird Ian G 2021 09 19 Catastrophic and slow violence thinking about the impacts of the Xe Pian Xe Namnoy dam in southern Laos The Journal of Peasant Studies 48 6 1167 1186 Cosslett Tuyet L Cosslett Patrick D 2014 Water Resources and Food Security in the Vietnam Mekong Delta doi 10 1007 978 3 319 02198 0 ISBN 978 3 319 02197 3 a b Blake David J H Barney Keith 2021 06 01 Impounded rivers compounded injustice contesting the social impacts of hydraulic development in Laos International Journal of Water Resources Development 1 22 doi 10 1080 07900627 2021 1920373 ISSN 0790 0627 S2CID 236331928 Hunt Glenn Samuelsson Marika Higashi Satomi 2018 Broken Pillars The Failure of the Nakai Plateau Livelihood Resettlement Program Glenn Hunt Marika Samuelsson and Satomi Higashi In Hirsch Philip Shoemaker Bruce Robichaud William eds Dead in the Water Global Lessons from the World Bank s Model Hydropower Project in Laos Madison Wisconsin University of Wisconsin Press ISBN 978 0 299 31793 5 OCLC 1040031855 External links editMap all coordinates using OpenStreetMapDownload coordinates as KML GPX all coordinates GPX primary coordinates GPX secondary coordinates nbsp Wikimedia Commons has media related to Dams in the Mekong River Basin 3S Rivers Protection Network Australian Mekong Resource Centre Cambodia National Mekong Committee Department of Water Resources Thailand Electricite du Laos Electricity Authority of Cambodia Electricity Generating Authority of Thailand Fisheries Action Coalition Team Cambodia GMS Academic and Research Network Greater Mekong Sub region Greater Mekong Subregion Environment Operations Center Greater Mekong Sub region Social Studies Center Hobo Maps Laos Hydropower Projects Info International Rivers MekongInfo Mekong Institute Mekong River Commission Theun Hinboun Power Company Nam Theun 2 Stimson Institute Mekong Infrastructure Tracker Sustainable Mekong Research Network SUMERNET Thailand National Mekong Committee Vietnam Electricity Vietnam National Mekong Committee WWF Greater Mekong Programme Retrieved from https en wikipedia org w index php title Hydropower in the Mekong River Basin amp oldid 1207755897, wikipedia, wiki, book, books, library,

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