The International Energy Agency (IEA) is one of the auxiliary agencies of the Organization for Economic Cooperation and Development (OECD), which was established in November 1974 with its headquarters in Paris, France. IEA is at the core of the Global Energy Dialogue, providing authoritative analysis through a wide range of publications. Activities include carrying out extensive energy research and publishing publications, providing the public with authoritative energy analyses, such as the flagship report World Energy Outlook and market reports; compile statistics, such as the world’s major energy statistics and monthly oil data services; offering capacity building through trainings, seminars, lectures, etc.

IEA有30个成员国，8个联盟国。国际能源署与中国的合作伙伴关系始于1996年，此后双方合作涵盖众多领域。2015年11月，中国正式成为国际能源署的联盟国。2017年2月，国际能源署与中国国家能源局正式在北京成立了国际能源署中国合作办公室。

IEA has 30 members and 8 association countries. The partnership between the IEA and China began in 1996 and has since covered a wide range of areas. In November 2015, China officially became an IEA member country. In February 2017, IEA and China's National Energy Administration officially established the IEA China Cooperation Office in Beijing.