ESL was completed a final draft Environmental Impact Assessment for a 500kV transmission line from an existing substation Mahaxay sub-station to a proposed Pakkading substation. The length of transmission line is approx. 163 kilometers passing 4 districts (Mahaxay, Thakhek, Hinboun, Khounkham and Pakading) and two provinces (Khammouan and Bolikhamxay), Lao PDR.