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Technical Working Group on Gas Cooled Reactors (TWG-GCR)

The Technical Working Group on Gas Cooled Reactors (TWG-GCR) is a group of international experts who provide advice and support IAEA programme implementation in the area of gas cooled reactors.

Established in 1978, the TWG-GCR promotes international cooperation related the development of GCRs for electricity and process heat applications. The latter involve high-temperature applications such as hydrogen production and low-temperature applications such as seawater desalination and district heating.

The members of the TWG-GCR are appointed by the IAEA Deputy Director General, Head of the Department of Nuclear Energy, following consultation with the respective national authorities or organizations.

Scope and Functions

The TWG-GCR focuses on helium cooled thermal reactors utilized in steam cycle or direct cycle nuclear plants for electricity and/or heat production, as well as other gas cooled thermal reactors and gas cooled fast reactors. Its scope includes the areas of programme assessment and planning, systems analyses and utilization strategies, research, development, design, construction, safety aspects, related nuclear fuel cycle technology, the use of gas cooled reactors for process heat application, and operation and maintenance of these nuclear power plants.

The functions of the TWG-GCR are to provides advice and guidance, and marshal support in Member States for implementation of the IAEA's programmatic activities in GCR technology development.

It is a forum for information and knowledge sharing on national and international programmes development in the area of GCR technology development. It acts as a link between the IAEA’s activities in specific areas and national scientific communities, delivering information from and to national communities.

The TWG-GCR also advises on preparatory actions in Member States and the IAEA’s activities in planning and implementing coordinated research programmes, collaborative assessments and other activities as well as the review of the results on GCR technology development. The experts also review selected IAEA topical publications and advise on the preparation of new ones.

Membership

Full Members:

China, France, Germany, Indonesia, Japan, Republic of Korea, Netherlands, Poland, Russian Federation, South Africa, Switzerland, Turkey, Ukraine, United Kingdom, USA

Observers:

Singapore, European Commission (EC), Generation IV International Forum (GIF), OECD Nuclear Energy Agency (OECD/NEA)

Meetings

The TWG-GCR meets at regular intervals but no more than once in a year, with each meeting lasting up to five workings days. Extraordinary meetings may be called when required.

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