Xe-Pian Xe-Namnoy Hydroelectric Power Project, Lao People’s Democratic Republic

Client: Xe-Pian Xe-Namnoy Power Company Limited
Consultants: TEAM Consulting Engineering and Management Co., Ltd.

Xe-Pian Xe-Namnoy Hydroelectric Power is a mega joint venture project among Thai, Lao and Korean investors. Out of the 420 MW, 378 MW will be sold to the Electricity Generating Authority of Thailand via Ubon Ratchathani and 42 MW will be used domestically.

TEAM GROUP has served as construction supervision consultant overseeing construction of the Houay Mak Chan Weir; Xe-Pian Dam, which is a composition dam of embankment and concrete (spillway part) with 48-m height, 1,300-m length and reservoir capacity of about 31 million m3; Xe-Namnoy Dam, which is an embankment dam with 73m height,1,600m length and reservoir capacity of about 1,043 million m3; a concrete waterway tunnel with a length of 15.7 km; three power generating units with a combined capacity of 420 MW; and a tailrace channel, 20 m long and 6 m wide, for conveying turbine water from the powerhouse to the Xe Kong River.