Project Overview
Organization for the Decommissioning Project Including Related Agencies
After the accident occurred at the Fukushima Daiichi Nuclear Power Station, the decommissioning project was carried out initially on an emergency response basis, under time, work environment, and technical constraints. Since then, the project has been overhauled, and is now being conducted with more permanent and sustainable equipment and operations suited to the long-term nature of the work. In particular, the project will now be entering the stage of taking on challenges in uncharted territory, on the way to full-scale decommissioning including retrieval of fuel debris. Strengthening our commitment in a company-wide effort, and in cooperation with the national government that has set overall policies and with the Nuclear Damage Compensation and Decommissioning Facilitation Corporation that has drawn up strategies, we will boost our collaboration with nuclear power operators and other willing corporations, research institutions, and universities to form a comprehensive organizational structure, as we proceed with ambitious and realistic decommissioning and revitalization plans.
| Japanese Government | Sets overall policies, manages progress (mid- to long-term roadmap) |
|---|---|
| TEPCO (Fukushima Daiichi Decontamination & Decommissioning Engineering Company) |
Steadily implements the decommissioning (implementation plan) |
| Nuclear Damage Compensation and Decommissioning Facilitation Corporation | Draws up strategy and provides technical support, etc. (strategy plan) |
| R&D institutions | Conduct research and development |
| Nuclear Regulation Authority | Implements safety regulations, etc. |
Engagement in the Decommissioning Project
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Roadmap on the Way to Decommissioning
At the Fukushima Daiichi Nuclear Power Station, decommissioning work is being carried out based on the “Mid-and-Long-Term Roadmap towards the Decommissioning of TEPCO's Fukushima Daiichi Nuclear Power Station Units 1-4” adopted by the Inter-Ministerial Council for Contaminated Water, Treated Water and Decommissioning Issues of the National Government.
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Fukushima Daiichi D&D Engineering Company
Fukushima Daiichi Decontamination & Decommissioning Engineering Company was established to define the responsibilities and authorities for decommissioning and measures to deal with contaminated water at the Fukushima Daiichi Nuclear Power Station, and to accelerate decision-making. The company is now going ahead with the decommissioning work.
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The Accident Then and Now
On March 11, 2011, a massive earthquake occurred on the ocean floor off the Sanriku Coast of Northeast Japan, measuring Magnitude 9.0. The quake triggered a giant tsunami, which flooded the power supply equipment and other important facilities of the Fukushima Daiichi Nuclear Power Station, knocking out power along with the water cooling and heat removal functions. The resulting inability to cool the reactors led to a terrible accident.
