Nuclear Energy

Nuclear Energy

Session background and objectives

・Nuclear power is a promising technology for remarkable reduction of carbon dioxide emissions and fossil fuel consumption and it is expected to produce certain share of electricity in low carbon scenario such as IEA_2DS (see below figure).

・Though, environments surrounding nuclear power are not well, still there are many construction plans especially in emerging countries.

・For these new construction demands, safe and efficient use of large-scale light water reactors is important. Regarding the spread to emerging countries, regulatory systems, infrastructure development, human resource development, etc. are also important issues.

・For mid- to long-term use of nuclear power, it is desirable to introduce innovative reactors, which have advantages on improved safety, waste reduction, nuclear non-proliferation resistance, economy and so on.

・In order to secure competitiveness, it is necessary not only to supply electricity but also to utilizing the nuclear power comprehensively including heat utilization.

・In this session, the present situation and future challenges are discussed.

IEA Energy Technology perspective 2016


Noriko Endo[Chair]


Project Professor, Keio University

Michael Shellenberger


Founder & President, Environmental Progress

Jason Bordoff


Professor of Professional Practice in School of International and Public Affairs, Columbia University

Simon Irish

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Chief Executive Officer, Terrestrial Energy Inc.


Introducing the status of development of Terrestrial Energy’s IMSR® power plant

Future energy demand for heat and power will be met with clean energy technologies that are also secure, reliable, clean and cost-competitive. Terrestrial Energy will present the case for nuclear innovation today. It will discuss the great potential of liquid fuel, molten salt reactor technologies, and specifically Terrestrial Energy’s molten salt technology used in its IMSR® power plant design. IMSR® technology is hugely versatile with the potential to drive many industrial processes, from electric power provision, to chemical synthesis including hydrogen and syn-fuel production, and desalination. Terrestrial Energy will provide an update on its project to deploy first IMSR® power plants in the 2020s.

Eric P. Loewen

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Chief Consulting Engineer, GE Hitachi Nuclear Energy


Many governments, non-government organizations and industries have recognized the value of nuclear energy for reduction of atmospheric carbon dioxide. Among the obstacles to broader acceptance of nuclear power have been concerns about safety, waste management and economic competitiveness. The proven sodium cooled fast reactor technology employing metal fuel can address these obstacles. ARC Nuclear and GEH have joined forces to employ this technology using nuclear science and technology excellence, management expertise, technical experience, and proven performance with intellectual property from the ARC-100 and PRISM. This joint effort will pursue licensing by the CNSC to commercially build the ARC-100 in Canada.

Yutaka Sagayama

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Assistant to the President, Japan Atomic Energy Agency (JAEA)


Current Status and Future Challenges of Innovative Reactors Development in Japan

Japan is developing innovative reactors that will play a key role as a future energy source focusing on the SFR and also studying their various usages. Discussion about the fast reactor development in the future is being carried out mainly by the Government. Based on the discussion, “Strategic Roadmap” which identifies development tasks for the next decade will be formulated in 2018. In addition, for various usages of innovative reactors, the IFR with metal fuel developed for the reduction of radiotoxicity of wastes and the HTGR with high-temperature heat for hydrogen production are also being studied. International cooperation is very important for reducing resources and risks in the development.

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