The Horonobe Underground Research Center undertakes fundamental research and development necessary for realizing geological disposal of high-level radioactive waste generated by nuclear power generation using underground facilities.

The Aomori Research and Development Center analyzes ultra-trace elements in environmental samples and develops analytical technologies such as decommissioning for the nuclear reactor of a nuclear-powered vessel, “Mutsu”. Moreover, this Center operates and manages the Mutsu Science Museum.

The Fukushima Research and Engineering Institute undertakes R&D for supporting the decommissioning and recovery of surrounding environments at the Fukushima Daiichi Nuclear Power Station.

The Nuclear Science Research Institute undertakes basic research on nuclear energy utilizing research nuclear reactors, accelerators, and various facilities such as hot-lab, and works on the application of nuclear science and technology to diverse fields in the society.

The Nuclear Safety and Emergency Preparedness Institute provides technical and human support to nuclear safety regulations and nuclear disaster preparedness as a technical support organization (TSO) under the Nuclear Regulation Authority and as a designated public corporation under the Disaster Countermeasure Basic Act.

The Nuclear Fuel Cycle Engineering Laboratories undertakes R&D by employing spent fuel reprocessing facilities and R&D facilities on plutonium fuel for fast reactors with a view to establishing a nuclear fuel cycle.

The Oarai Nuclear Engineering Institute undertakes R&D by employing a high-temperature gas reactor (HTTR: High Temperature Engineering Test Reactor), a next-generation innovative reactor expected to help the realization of a carbon neutral society, an experimental fast reactor, “Joyo”, and related post irradiation examination facilities.

The Tono Geoscience Center undertakes research on long-term stability of geological environment as basic R&D necessary for realizing geological disposal of high-level radioactive waste generated by nuclear power generation.

JAEA has worked on the decommissioning at the Fugen Decommissioning Engineering Center and the Prototype Fast Breeder Reactor Monju giving top priority to safety with a view to establishing safe and rational decommissioning technologies for nuclear facilities. Moreover, JAEA works together with Kyoto University and the University of Fukui to design a new test reactor to be established within the premise of “Monju”.

The Ningyo-toge Environmental Engineering Center works on decommissioning of facilities and equipment used for technological development from the upstream side of nuclear fuel cycle (from exploration of uranium to refining, conversion, and enrichment).

The JAEA Paris Office serves as a bridge with the governments and related organizations (CEA (French Alternative Energies and Atomic Energy Commission) in France, etc.) in Europe, collects, analyzes, investigates, and announces information on nuclear energy in France and Western European countries, and provides support to and communicates with business travelers and long-stay travelers.

The JAEA Vienna Office collects, analyzes, investigates, and announces information on nuclear energy of the International Atomic Energy Agency (IAEA) and the Comprehensive nuclear Test Ban Treaty Organization (CTBTO), which are located in Vienna, countries in central and eastern Europe, and Russia, and provides support to and communicates with business travelers and long-stay travelers.

The JAEA Washington D.C. Office collects and analyzes information on peaceful use of nuclear energy in North America, serves as a bridge with the U.S. Government and related institutions (DOE, National Laboratory, etc.), announces JAEA’s achievements, and provides support to and communicates with business travelers and long-stay travelers.