Uncertain future for Phou Ngoy Mekong Hydropower Project

As locals await relocation and environmentalists raise concerns over impacts on the Mekong’s ecology, the future of the planned Phou Ngoy dam (also called Lat Sua) looks uncertain, "The Third Pole" reports. The run-of-river-dam is planned on the Mekong River in Champasak Province in Laos, about 18 km downstream from Pakse. The project for producing 728 Megawatt of electricity has been developped by Charoen Energy and Water Asia Corporation of Thailand (CEWA) and the South Korean construction companies Doosan Heavy Industries and Construction and Korea Western Power. The dam structure would be 1,300 meters long and 27 meters high with a head of 10.6 meters.

Visualisation of the Phou Ngoy Hydropower Project by CEWA

How many villages along the Mekong are affected?
The US $2.4-billion dollar project would impact more than 200 hectares of land and 88 villages, 57 villages above the dam and 31 below. The most-affected village would be Ban Khonken fishing village, where 811 residents reside in 142 households. They have been told that they will have to relocate for the construction works.

Is there an impact on Vat Phou Unescco World Heritage site?
An official at the Lao Ministry of the Information, Culture and Tourism said according to rfa.org he was worried about the dam’s impact on Vat Phou, a Khmer Hindu temple complex about six kilometers (3.7 miles) from the Mekong River. “If the Lao government and the Phou Ngoy Dam developer really want to build this dam, they’ll have to do the Heritage Impact Assessment, similar to the one for the Luang Prabang Dam Project that has been submitted to UNESCO,” he said.

Is Phou Ngoy Hydropower project economically feasable?
There are doubts, as "The Third Pole" reported in Dezember. Yongpil Seo, country director of the Thai office of Doosan Enerbility, one of the Korean partners, said he thought it was “unlikely” the Korean partners would continue with the project, adding he believed CEWA is currently looking for lower-cost Chinese partners and is struggling to find investment. No power-purchase agreement (PPA) with the Thai state enterprise Electricity Generating Authority of Thailand (EGAT) seems in sight.