Southeast Asia Energy Outlook 2015 draws on the latest available energy and macroeconomic data, as well as policy and market developments, to examine the current status and future prospects for energy markets in this vibrant region and considers their implications for energy security and the environment. For the purpose of this report, Southeast Asia is defined as comprising the ten countries of the Association of Southeast Asian Nations (ASEAN): Brunei Darussalam, Cambodia, Indonesia, Lao PDR, Malaysia, Myanmar, Philippines, Singapore, Thailand and Viet Nam. The report provides policy-makers, industry, investors and consumers with a framework to understand the drivers of emerging energy trends and opportunities to address their related challenges. It has been prepared by the International Energy Agency (IEA) in collaboration with the Economic Research Institute for ASEAN and East Asia (ERIA).