Xayaburi Hydroelectric Power Project Type of Hydropower plant - PowerPoint PPT Presentation

Development overview Xayaburi Hydroelectric Power Project

Type of Hydropower plant Storage Run of river Pump storage

China Vietnam Myanmar Lao PDR Thailand Completed 7 Dams in China - Completed (6) 15,600 MW. Upper Mekong (2 Storage dam + 4 Run of River) - Under construction (1) 155 MW. Lower Mekong - Total 15,755 MW.

Development in Mekong Lower Mainstream 2 1 1. Pak beng 1,230 MW 3 2. Luang Prabang 1,410 MW 4 3. Xayaburi 1,285 MW 5 6 4. Pak Lay 1,320 MW 7 5. Sanakham 570 MW 6. Pak Chom 1,079 MW 8 7. Ban Khoum 2,000 MW 9 10 8. Lat Sua 800 MW 11 9. Don Sahong 360 MW 10. Stung Treng 980 MW 11. Sambor 460 MW Total 10,394 MW

Xayaburi Project feature Mekong natural river flow 15,000 - 4,000 - 1,200 cms. Design 47,000 - 5,000 - 2,000 cms. Water Level U/S = 275 masl , Rated Head = 28.5 m

Xayaburi Project feature 1. Navigation Lock = 144 + 154 length 12 m. width for 500 tons ship 2. Spillway = 7 Surface gates (19 m x 21 m) + 4 Low Level Outlets for Sediment (12 m x 16 m) 3. Intermediate Block = Fish pumps and passage + Powerhouse Erection Bay 4. Powerhouse = 7 x 175 MW (EGAT) + 1 x 60 MW (EdL) 5. Fish Migration = Multi – system , U/S + D/S migration

Spillway Old design * New design 7 surface gates (19m x 21m) 4 LLO gates (12m x 16m)

Spillway surface gate 7 gates 19 m. x 21 m. (WxH)

Spillway Low level outlet gate 4 gates 12 m. x 16 m. (WxH)

Spillway

Powerhouse 1 2 3 4 5 6 7 EdL 8 Kaplan Turbine 175 MW (7 units) + 60 MW (1 unit) with full capacity at discharge 5,000 cms

Fish passing system Upstream Reservoir Switchyard Area Upper channel D/S Fish Passage Fish Lock Pump 2 for D/S Fish U/S Fish Passage Fish Ladder Migration Pump 1 and Gravity pond for U/S Fish Passage D/S Exit U/S Fish Passage

Special design for Fish passing system Fish Locks Opening slot in Fish Ladder

Transmission Line 115 kV to Xayaburi substation Line Route 17 km Number of Tower 51 500 kV to Thai-Lao border Line Route 196 km (3 sections) section 1 : 76 km section 2 : 58 km section 3 : 62 km Number of Tower 426 Tower design 12 type

Construction Procedure First stage 2012-2014

Construction Procedure Second stage 2015-2019

Resettlement activities 15 Villages are affected 6 villages in XYB(1RS/5RL) 9 villages in LPQ(6RS/3RL) 2,986

Resettlement activities 3 RSH-4 RSH-2 3 Hatxaykham Pakhao Completed work RSH-1 12 RSH-3 3 Site Affected Village Description Host Village Date Khoktom Houaykheua RS1 Housysouy Resettlement 76 HH 11/1/2012 RS2 Paknoen Resettlement 93HH 1/3/2013 Neunsavang RS3 Khok-Yai, 7/8/2013 Resettlement 98 HH Houaydeua RS-8 24 RS-7 55 RS4 Talan Relocation 62 HH Talan 3/11/2013 Pakphai Pakkhon 1/10/2014 Phonsavanh Thungjalern RS5 Paklan Resettlement 170 HH Thungjalern 20/10/2014 RS 5 170 Pakmon 10/10/2014 68 RS 6 Pakmon RS6 Thadua Relocation 68 HH Thadua 1/11/2014 Thadeua Relocation Plan of 2015 Paklan Phonsavanh RS 4 62 Site Affected Village Description Host Village Target Date RS7 Pakkhon Relocation 55 HH Pakkhon 17/8/2015 HouayDeua Talan Relocation Plan of 2016 Neunsavang RS 3 98 Site Affected Village Description Host Village Target Date RS8 Pakphai Relocation 24 HH Pakphai 5/4/2016 Neunsavang RS 2 93 KhokYai RSH-1 Khoktom Relocation 12 HH Khoktom 5/7/2016 HouaySouy Ongoing RSH-2 Hatxaykham Relocation 3 HH Hatxaykham 12/7/2016 CITY RS 1 76 Completed RSH-3 Houaykheua Relocation 3 HH Houaykheua 19/7/2016 Paknoen Resettlement Site Project RSH-4 Pakkhao Relocation 3 HH Pakkhao 25/7/2016 Relocation Site