for Japanese
20 May, 2021

Takahama-1 and -2 and Mihama-3 NPPs Move to 60-Year Operation

On May 12, the Kansai Electric Power Co. (Kansai EP) announced its plans for restarting its Takahama-1 and -2 (PWRs, 826 MWe each) and Mihama-3 (PWR, 826 MWe) Nuclear Power Plants (NPPs). It marks the first time in Japan that commercial reactors will have been restarted after obtaining permission to operate for sixty years.

Shiro AraiI would like to express my gratitude here to the people in each locality for their understanding on the restarting of the units whose operating lifetimes have been extended, and my respect to all the involved parties for their efforts toward the restart of the reactors. In addition to periodic inspections approximately once a year, NPPs in Japan are subject to safety reviews every ten years in order to evaluate their safety and reliability. Operators are also required to conduct technological aging evaluations of important safety-related equipment and structures when an NPP reaches thirty years since starting operations, and every ten years thereafter. Based on those results, a long-term plan for maintenance and management is issued in order to deal with the effects of aging. More...more
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