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Chubu Electric Japan flags discrepancy with seismic assessment at Hamaoka Nuclear Plant

Chubu Electric Japan flags discrepancy with seismic assessment at Hamaoka Nuclear Plant
Chubu Electric Japan flags discrepancy with seismic assessment at Hamaoka Nuclear Plant

Chubu Electric Power in Japan said that it may have chosen'representative seismic wave' using a different technique than what was explained to regulators during the review of its Hamaoka Nuclear Power Station, located in central Japan.

In a press release, the utility stated that the discrepancy "significantly impacts" the regulatory review for the central Japan plant.

The company stated that "we?view this matter as an extremely serious issue that could undermine trust in our nuclear power business among our stakeholders, including local communities, and potentially shake the very basis of these operations." The company said that an independent committee would be set up to investigate.

The Nuclear Regulation Authority is reviewing Chubu 'Electric to restart Hamaoka No. The Nuclear Regulation Authority is currently reviewing Chubu?Electric's application to restart Hamaoka's No. 4 reactors.

The seismic assessment discrepancy occurred just after the local communities had approved and Tomari nuclear plant of Hokkaido Electric Power and Tokyo Electric Power Kashiwazaki - Kariwa nuclear plant.

This could slow down the momentum for re-building trust in Japan's nucleonic power sector, which was harmed by the Fukushima Daiichi catastrophe of 2011.

The ministry of industry said that it had asked Chubu Electric to 'thoroughly investigate and report the facts and circumstances surrounding the incident involving the seismic evaluation.

The company was also asked to?identify the root causes and analyse them, develop effective measures for preventing a recurrence and report the existence of similar incidents. (Reporting and editing by Sherry Phillips and Emelia Matarise; Satoshi Obayashi and Yuka Sugiyama)

(source: Reuters)