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Electricity generation in Laos is produced by one coal-fired power plant and several hydroelectric dams. 53% of power generated in 2016 came from renewable sources. The majority of power produced from the Hongsa plant is exported to Thailand. The Xayaburi run-of-river dam is expected to generate over 7,000 GWh of electricity per year, which will mainly be exported to Thailand as part of the development of an interconnected Southeast Asian energy market.[1]
Power Plant | Fuel | Capacity (MW) | Units | Year completed |
---|---|---|---|---|
Hongsa | Lignite | 1878 | 3 x 626 MW | 2015 |
Table 1: Existing Lao hydropower stations (15 MW installed capacity and above).[2]
Plant name | River | River Basin | Location | COD | Installed capacity (MW) | Mean annual energy (GWh) | Height (m) | Crest length (m) | Total storage (m3) | Max reservoir area (km2) |
---|---|---|---|---|---|---|---|---|---|---|
Don Sahong | Mekong | Mekong | 13.956223°N 105.964247°E | 2020 | 240 | 2,000 | 25 | 6,800 | 25 | 2.2 |
Houay Ho | Houayho/Xekong | Mekong | 15.059464°N 106.764377°E | 1999 | 152 | 450 | 79 | 3,530 | 37 | |
Houay La Nge | Houay La-Nge | Mekong | 15.774865°N 107.054896°E | 2023 | 60 | 290 | 58 | 179 | 14 | 93.6 |
Houay Lamphan Gnai | Xekong | Mekong | 15.356495°N 106.498949°E | 2015 | 84.8 | 480 | 77 | 74.5 | 140 | 9 |
Houay Por | Houay Por | Mekong | 15.545605°N 106.256763°E | 2018 | 15 | 75 | 6 | 0.76 | ||
Lower Houay Lam Phanh | Houay Lamphan | Mekong | 15.321515°N 106.630123°E | 2022 | 15 | 68 | 55 | 523 | 73.9 | |
Nam Ao | Nam Ao | Mekong | 19.160876°N 103.283107°E | 2023 | 15 | 92 | 26 | 130 | 52 | 4.9 |
Nam Beng | Nam Beng | Mekong | 19.946436°N 101.237563°E | 2014 | 36 | 145 | 25.5 | 84.8 | 3,611 | 0.7 |
Nam Che 1 | Nam Che | Mekong | 19.054645°N 103.513536°E | 2019 | 16.8 | 23 | 50 | |||
Nam Chien 1 | Nam Che | Mekong | 19.145395°N 103.557259°E | 2018 | 104 | 448.2 | 68.8 | 367 | 14 | |
Nam Houng 1 | Nam Houng | Mekong | 19.189914°N 101.806322°E | 2023 | 15 | 57 | 1.52 | |||
Nam Khan 2 | Nam Khan | Mekong | 19.685364°N 102.369791°E | 2015 | 130 | 558 | 160 | 405 | 30.5 | |
Nam Khan 3 | Nam Khan | Mekong | 19.747016°N 102.222793°E | 2016 | 88 | 480 | 77 | 74.5 | 140 | 9 |
Nam Kong 1 | Nam Kong | Mekong | 14.546513°N 106.740933°E | 2021 | 160 | 649 | 87 | 386 | 679 | 21.8 |
Nam Kong 2 | Nam Kong | Mekong | 14.494672°N 106.856669°E | 2018 | 66 | 264 | 50 | 210 | 71.4 | 4.2 |
Nam Kong 3 | Nam Kong | Mekong | 14.566338°N 106.912551°E | 2021 | 54 | 204 | 65 | 500 | 471 | 32 |
Nam Leuk | Nam Leuk/Nam Ngum | Mekong | 18.437406°N 102.94675°E | 2000 | 60 | 215 | 51.5 | 800 | 185 | 17.2 |
Nam Lik 1 | Nam Lik | Mekong | 18.619438°N 102.387252°E | 2019 | 64 | 256 | 36.5 | 72 | 22.3 | |
Nam Lik 1-2 | Nam Lik | Mekong | 18.793782°N 102.116714°E | 2010 | 100 | 435 | 103 | 328 | 11 | 24.4 |
Nam Mang 1 | Nam Mang | Mekong | 18.53423°N 103.196286°E | 2016 | 64 | 225 | 70 | 280 | 16.5 | 0.148 |
Nam Mang 3 | Nam Gnogn | Mekong | 18.349383°N 102.765244°E | 2004 | 40 | 150 | 28 | 151 | 49 | 10 |
Nam Ngiep 1 | Nam Ngiep | Mekong | 18.645828°N 103.552329°E | 2019 | 272 | 1,546 | 167 | 530 | 1,192 | 67 |
Nam Ngiep 1 (DS) | Nam Ngiep | Mekong | 18.647966°N 103.571591°E | 2019 | 18 | 105 | 20 | 90 | 4.6 | 1.27 |
Nam Ngiep 2 | Nam Ngiep | Mekong | 19.243328°N 103.283818°E | 2015 | 180 | 732 | 70.5 | 163 | ||
Nam Ngiep 2B | Nam Ngiep | Mekong | 19.155918°N 103.346031°E | 2015 | 18 | 76 | ||||
Nam Ngiep 3A | Nam Ngiep | Mekong | 19.243546°N 103.283913°E | 2014 | 44 | 144 | 30 | 110 | 13.85 | 1.8 |
Nam Ngum 1 | Nam Ngum | Mekong | 18.531068°N 102.547577°E | 1971 | 315 | 1,455 | 70 | 468 | 4,700 | 370 |
Nam Ngum 2 | Nam Ngum | Mekong | 18.755374°N 102.776476°E | 2011 | 615 | 2,300 | 181.5 | 421 | 3,590 | 122.2 |
Nam Ngum 5 | Nam Ngum | Mekong | 19.356095°N 102.621196°E | 2012 | 120 | 507 | 104.5 | 258 | 314 | 14.6 |
Nam Ou 1 | Nam Ou | Mekong | 20.0883°N 102.265379°E | 2019 | 160 | 710 | 65 | 442 | 89.1 | 9.56 |
Nam Ou 2 | Nam Ou | Mekong | 20.411698°N 102.472817°E | 2016 | 120 | 546 | 55 | 352 | 121.7 | 15.7 |
Nam Ou 3 | Nam Ou | Mekong | 20.695251°N 102.665404°E | 2020 | 150 | 685 | 72 | 340 | 168.6 | 13.26 |
Nam Ou 4 | Nam Ou | Mekong | 21.120153°N 102.494173°E | 2020 | 116 | 524 | 47 | 300 | 124 | 9.37 |
Nam Ou 5 | Nam Ou | Mekong | 21.411349°N 102.344263°E | 2016 | 240 | 1,049 | 74 | 335 | 17.22 | |
Nam Ou 6 | Nam Ou | Mekong | 21.411349°N 102.344263°E | 2016 | 180 | 739 | 88 | 409 | 17.01 | |
Nam Ou 7 | Nam Ou | Mekong | 22.07779°N 102.264436°E | 2020 | 190 | 811 | 147 | 825 | 1,494 | 38.16 |
Nam Pha Gnai | Nam Pha Gnai | Mekong | 19.013318°N 102.264436°E | 2016 | 19.2 | 130 | 65 | 148 | 1.5 | |
Nam Phay | Nam Phay | Mekong | 19.109357°N 102.757461°E | 2018 | 86 | 419.5 | 18.92 | |||
Nam San 3A | Nam San | Mekong | 19.129193°N 103.661752°E | 2016 | 69 | 278.4 | 75 | 350 | 123 | 8.5 |
Nam San 3B | Nam San | Mekong | 19.085633°N 103.619938°E | 2015 | 45 | 198 | ||||
Nam Tha 1 | Nam Tha | Mekong | 20.249467°N 100.892433°E | 2018 | 168 | 759.4 | 93.7 | 349.2 | 1,755 | 113.9 |
Nam Tha Had Muak | Nam Tha | Mekong | 20.24264°N 100.712302°E | 2022 | 37.5 | 102.67 | ||||
Nam Theun 1 | Nam Theun | Mekong | 18.356733°N 104.148017°E | 2022 | 650 | 2,561 | 177 | 771 | 2,772 | 93.6 |
Nam Theun 2 | Nam Theun/Xe Bangfai | Mekong | 17.997353°N 104.952306°E | 2010 | 1,075 | 5,936 | 48 | 325 | 3,500 | 450 |
Theun-Hinboun | Nam Theun | Mekong | 18.261005°N 104.562525°E | 1998 | 220 | 1,645 | 48 | 810 | 1,300 | 49 |
Theun-Hinboun Expansion Project | Nam Gnouang | Mekong | 18.297248°N 104.636171°E | 2013 | 222 | 1,395 | 65 | 480 | 2,450 | 49 |
Xayaburi | Mekong | Mekong | 19.254006°N 101.813699°E | 2019 | 1,285 | 6,035 | 48 | 810 | 1,300 | 49 |
Xe Kaman 1 | Xe Kaman | Mekong | 14.960724°N 107.156336°E | 2018 | 290 | 1,096 | 120 | 185 | 4,804 | 149.8 |
Xe Kaman 3 | Xe Kaman | Mekong | 15.425194°N 107.362611°E | 2014 | 250 | 1,000 | 102 | 543 | 141.5 | 5.2 |
Xe Kaman-Sanxay | Xe Kaman | Mekong | 14.888908°N 107.117133°E | 2018 | 32 | 131.2 | 28 | 180 | 1.76 | |
Xe Lanong 1 | Xe Lanong | Mekong | 16.356276°N 106.238749°E | 2020 | 70 | 269.9 | 67.5 | 302 | 953 | |
Xepian-Xenamnoy | Xepian/Xenamnoy | Mekong | 15.026115°N 106.627369°E | 2019 | 427 | 1,788 | 73 | 1,600 | 1,043 | 50.6 |
Xe Nam Noy - Xe Katam | Xenamnoi/Xekatam | Mekong | 15.117928°N 106.616688°E | 2016 | 20.1 | 83 | ||||
Xeset 1 | Xeset | Mekong | 15.49200°N 106.27867°E | 1994 | 45 | 154 | 18 | 124 | ||
Xeset 2 | Xeset | Mekong | 15.403775°N 106.280332°E | 2009 | 76 | 309 | 26 | 144 | ||
Xeset 3 | Xe Don | Mekong | 15.342113°N 106.31115°E | 2017 | 23 | 80 | 11 | 1.3 |
Notes: COD = Commercial Operating Date; MW = Megawatt; GWh = Gigawatt hours; m = metres; m3 = cubic metres; km2 = square kilometres.
Table 2: Hydropower dams under construction in Laos (15 MW installed capacity and above)[2]
Project | River | River basin | Location | COD | Installed capacity (MW) | Mean Annual Energy (GWh) | Height (m) | Crest length (m) | Total storage (million m3) | Max reservoir area (km2) |
---|---|---|---|---|---|---|---|---|---|---|
Houay Kaouane | Mekong | 20.06663°N 102.192339°E | ? | 24 | ||||||
Luang Prabang | Mekong | Mekong | 20.06663°N 102.192339°E | 2030 | 1,460 | 6,500 | 80 | 275 | 1,589.5 | 72.39 |
Nam Ang | Nam Ang | Mekong | 15.122545°N 107.108512°E | 2024 | 31 | 183.3 | 0.03 | |||
Nam Emoun | Nam Emoun | Mekong | 15.5743°N 106.969395°E | 2025 | 131.5 | 460.59 | 29 | 127 | 0.07 | 0.16 |
Nam Hinboun 1 | Nam Hinboun | Mekong | 17.728201°N 104.571382°E | 2024 | 15 | 79.74 | 33 | 70 | ||
Nam Hinboun 2 | Nam Hinboun | Mekong | 18.023739°N 104.425006°E | ? | 30 | 155.2 | 38 | 2.57 | ||
Nam Ngao | Nam Hinboun | Mekong | 20.398288°N 100.431852°E | ? | 15 | 81.1 | 69 | 438.6 | 2.57 | |
Nam Neun 3 | Nam Neun | Vietnam Coast | 20.018273°N 103.816601°E | 2025 | 60 | 250 | 110 | 340 | 12 | |
Nam Ngum 3 | Nam Ngum | Mekong | 19.084097°N 102.878817°E | 2024 | 480 | 2,345 | 220 | 395 | 1,411 | 27.51 |
Nam Ngum 4 | Nam Ngum | Mekong | 19.453804°N 103.010325°E | 2024 | 240 | 872 | 74 | 110 | ||
Nam Phan (Bolevan) | Nam Phak | Mekong | 15.075548°N 106.139196°E | 2025 | 168 | 788 | ||||
Nam Pot 1 | Nam Pot | Mekong | 19.15518°N 103.266356°E | ? | 20 | 92 | 4.9 | |||
Nam Sam 3 | Nam Sam | Vietnam Coast | 20.149713°N 104.510899°E | 2025 | 156 | 626 | ||||
Xe Lanong 2 | Xe Lanong | Mekong | 16.291893°N 106.517774°E | ? | 35 | 143 | 55 | |||
Xekong A (DS) | Xekong | Mekong | 14.599171°N 106.554175°E | 2025 | 86 | 334.7 | 8.5 | 95.03 | 25.4 | |
Xekong 4B (DS) | Xekong | Mekong | 15.744284°N 106.748666°E | 2027 | 175 | 801 | 117 | 1,004.7 | 22.4 |
Notes: COD = Commercial Operating Date; MW = Megawatt; GWh = Gigawatt hours; m = metres; m3 = cubic metres; km2 = square kilometres.
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