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Energy

Providing TEPCO and its regulator with confidence to restart nuclear reactors.

Independent, third-party technical audits for the world’s largest nuclear power plant

Key facts

  • 01.

    Client

    Tokyo Electric Power Company (TEPCO), Japan

  • 02.

    Asset

    Operational reactor units

  • 03.

    Result

    Safe startup following an earthquake and restoration work

Client challenge

Kashiwazaki-Kariwa nuclear power station comprises seven boiling water reactor units, generating nearly 8 GW of electricity a year. Following the Niigata Chuetsu-Oki Earthquake, the plant was safely shut down. To obtain permission to restart operations from Japan’s Ministry of Economy, Trade and Industry (METI), our client needed to conduct inspection and equipment restoration work. The regulator, the Nuclear and Industrial Safety Agency (NISA) in METI, also required that TEPCO perform a voluntary safety evaluation of the current inspection and restoration work.

 

How we helped

We were entrusted to perform the technical audit services needed to assess the suitability of TEPCO’s inspection and restoration work. We broke this work down into:

  • two different examinations

  • a review of the documentation and procedures for the inspection and restoration work at the site

  • technical audits to assess whether the inspection and restoration work complied with the procedures.

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