3/10/2016

Resumed Reactors Stops Again

The judicial branch of Japanese government for the first time released a decision to stop an operating nuclear power reactor on Wednesday. Receiving request from the residents in its district, Otsu Regional Court issued temporary injunction, which ordered halting operation of the third and fourth reactors of Takahama Nuclear Power Plant in Fukui. Those reactors will immediately stop its operation on Thursday. The court cast deep skepticism on new security regulation for nuclear power plant made in the executive branch even after tragic accident in Fukushima.

The decision determined that the power company, which was Kansai Electric Power Company in this case, is responsible for proving safety. Considering the fact that investigation over how the accident in Fukushima happened had still not been concluded, Otsu Regional Court expressed strong uneasiness on new security regulation determined by Nuclear Regulation Authority, newly established as an outer body of Ministry of Environment. “I cannot help hesitate recognizing new security regulation as basis of public peace,” told Chief Justice, Yoshihiko Yamamoto.

The decision realized that the assumption of the plant for possible impact of a great earthquake was insufficient. It questioned that calculation on the length of active faults underground of the site was not accurate, presenting historical fact that Takahama area had suffered from great tsunami in Tensyo Great Earthquake in 1586. Solidness of pool for used nuclear fuels was assessed as insufficient, too.

The plaintiffs are not living in Fukui Prefecture, where the plant is located, but in Shiga Prefecture adjacent to Fukui. The decision also required national government a concrete evacuation plan in contingency as soon as possible. “National government has moral obligation to determine broad and thorough security standard including a concrete evacuating plan,” said the court.

After passing examination of NRA, both reactors resumed its operation earlier this year. The judicial decision dismissed that governmental policy as inappropriate. The courts in Japan had been reluctant in making a clear decision on the cases for stopping nuclear power plant, because of technical difficulty for decision. But, the decision of Otsu Regional Court was based on the viewpoint of people’s right to live safely, rather than on importance of energy policy.


KEPCO is going to request nullification of Otsu’s decision. But, the decision reminded power companies of high cost of nuclear power generation that might be stopped by every judicial decision, even it had endorsement from national government.

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