The FEDC for 2017 was held at the Lotte Hotel in Seoul on May 26th. The conference theme “Sustainable Energy and Smart City” highlighted the changes and disruption facing East Asia as we enter the 4th Industrial Revolution and as the international community prepares for the Post-2020 New Climate Regime. The conference sessions included Multilateral Cooperation in Energy and Development, Integrated Regional Development, Economic Analysis of Future Energy System, and a Panel Session on Energy, Low Carbon, and Smart City.