The Nuclear Regulatory Authority in Japan said Monday that the Kansai Electric Power Company (Kepco) had been granted the third of three approvals needed to extend the operating life of two reactors over 40 years old, notching a first for the industry in Japan.
The 20-year extensions apply to the Unit 1 and Unit 2 reactors at the Takahama plant in Fukui Prefecture 215 miles west of Tokyo, even as the two reactors are not expected to be switched back on for another three and a half years after more safety measures are put in place, Japanese media are reporting.
The Takahama nuclear power plant is a four-reactor plant. Restarts for units No. 3 and No. 4 on Friday were setback, when the Otsu District Court failed to lift a temporary injunction that is keeping those reactors closed own.
For the license extensions for Units 1 and 2, Kepco was required to have its post-Fukushima Daiichi safety measures approved and gain permission for construction of even more improvements. In addition, it was required to assess the potential for plant deterioration covering possible cable fires and other component degradation. In addition, it was required to submit a plan for construction of a concrete dome to seal off the site in the event of a major accident.
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