21 Meeting of the Regional Power Trade Coordination Committee (RPTCC-21) on the 8 – 9 December 2016, Greater Mekong Subragion (GMS) in Siem Reap, Cambodia. Organized by Asian Development Bank (ADB). Co – Chair by WGPG (Thailand) and WGRI Chair (PRC), attending work group from Lao PDR Mr. Khamso Kouphokam, Deputy Director General, Department of Energy Policy and Planning, ministry of Energy and Mines. The meeting have been continue from last years to update data and presentation of ASEAN country. Update on progress of regional interconnections and power trade in ASEAN and feedback of WGPA on the proposed performance standards and recommendations for future activities.