Nuclear Energy Agency purposes."" NEA currently consists of 33 countries from Europe, North America and the Asia-Pacific region. In 2017 Argentina and Romania accessioned to NEA as its most recent members. Together they account for approximately 85% of the world’s installed nuclear capacity. Nuclear power accounts for almost a quarter of the electricity produced in NEA Member countries. The NEA works closely with the International Atomic Energy Agency (IAEA) in Vienna and with the European Commission in Brussels. Within the OECD, there is close co-ordination with the International Energy Agency and the Environment Directorate, as well as contacts with other directorates, as appropriate.
International Atomic Energy Agency to Article III, are to encourage research and development, to secure or provide materials, services, equipment and facilities for Member States, to foster exchange of scientific and technical information and training. Three of the IAEA's six Departments are principally charged with promoting the peaceful uses of nuclear energy. The Department of Nuclear Energy focuses on providing advice and services to Member States on nuclear power and the nuclear fuel cycle. The Department of Nuclear Sciences and Applications focuses on the use of non-power nuclear and isotope techniques to help IAEA Member States in the areas of water, energy, health, biodiversity,