Xayaburi Hydroelectric Power ProjectDevelopment overview

Type of Hydropower plant

Storage Run of river Pump storage

Upper Mekong

Lower Mekong

7 Dams in China- Completed (6) 15,600 MW.

(2 Storage dam + 4 Run of River)

- Under construction (1) 155 MW.- Total 15,755 MW.

Completed

Lao PDR

MyanmarVietnam

Thailand

China

Development in MekongLower Mainstream

1. Pak beng 1,230 MW

2. Luang Prabang 1,410 MW

3. Xayaburi 1,285 MW

4. Pak Lay 1,320 MW

5. Sanakham 570 MW

6. Pak Chom 1,079 MW

7. Ban Khoum 2,000 MW

8. Lat Sua 800 MW

9. Don Sahong 360 MW

10. Stung Treng 980 MW

11. Sambor 460 MW

Total 10,394 MW

1 2

3

4

5 6

7

8

910

11

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 ship2. 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 Bay4. Powerhouse = 7 x 175 MW (EGAT) + 1 x 60 MW (EdL)5. Fish Migration = Multi – system , U/S + D/S migration

Xayaburi Project feature

Old design *

New design 7 surface gates (19m x 21m)

4 LLO gates (12m x 16m)

Spillway

Spillway surface gate7 gates 19 m. x 21 m. (WxH)

Spillway Low level outlet gate4 gates 12 m. x 16 m. (WxH)

Spillway

Powerhouse

8 Kaplan Turbine 175 MW (7 units) +

60 MW (1 unit) with full capacity at discharge 5,000 cms

1234567EdL

Fish Lock

D/S Fish Passage

Pump 2 for D/S Fish Migration

Pump 1 and Gravity pond for U/S Fish Passage

U/S Fish Passage

U/S Fish Passage

Upper channel

Fish Ladder

D/S Exit

Switchyard Area

Upstream Reservoir

Fish passing system

Fish Locks

Opening slot in Fish Ladder

Special design for Fish passing system

Transmission Line

115 kV to Xayaburi substationLine Route 17 km Number of Tower 51

500 kV to Thai-Lao borderLine Route 196 km (3 sections)

section 1 : 76 kmsection 2 : 58 kmsection 3 : 62 km

Number of Tower 426Tower design 12 type

2012-2014

First stage

Construction Procedure

2015-2019

Second stage

Construction Procedure

15 Villages are affected

6 villages in XYB(1RS/5RL)

9 villages in LPQ(6RS/3RL)

Resettlement activities

2,986

RS 1

RS 2

RS 3

RS 4

RS 5

RS 6

RS-7RS-8

RSH-3

RSH-4

RSH-1

RSH-2

Project

CITY

Relocation Site

HouaySouy

93

98

170

55

68

24

3

3 3

12

Paknoen

KhokYai

HouayDeua

Talan

76

62

Completed

Thadeua

PakkhonPakphai

Houaykheua

Pakhao

Khoktom

Hatxaykham

Pakmon

Paklan

Phonsavanh

Ongoing

Resettlement Site

Completed workSite Affected Village Description Host Village Date

RS1 Housysouy Resettlement 76 HH

Neunsavang

11/1/2012

RS2 Paknoen Resettlement 93HH 1/3/2013

RS3 Khok-Yai, Houaydeua

Resettlement 98 HH7/8/2013

RS4 Talan Relocation 62 HH Talan 3/11/2013

RS5

Phonsavanh

Resettlement 170 HH Thungjalern

1/10/2014

Paklan 20/10/2014

Pakmon 10/10/2014

RS6 Thadua Relocation 68 HH Thadua 1/11/2014

Site Affected Village Description Host Village Target Date

RS7 Pakkhon Relocation 55 HH Pakkhon 17/8/2015

Relocation Plan of 2015

Resettlement activities

Site Affected Village Description Host Village Target Date

RS8 Pakphai Relocation 24 HH Pakphai 5/4/2016

RSH-1 Khoktom Relocation 12 HH Khoktom 5/7/2016

RSH-2 Hatxaykham Relocation 3 HH Hatxaykham 12/7/2016

RSH-3 Houaykheua Relocation 3 HH Houaykheua 19/7/2016

RSH-4 Pakkhao Relocation 3 HH Pakkhao 25/7/2016

Relocation Plan of 2016 Neunsavang

Neunsavang

Thungjalern