Top > Releases ・ Announcements > Press Releases > 2017 > International Atomic Energy Agency (IAEA) Operational Safety Assessment on the Kashiwazaki-Kariwa Nuclear Power Station

Press Releases 2017

Press Release (Nov 22, 2017)International Atomic Energy Agency (IAEA) Operational Safety Assessment on the Kashiwazaki-Kariwa Nuclear Power Station

NIIGATA, November 9, 2017-TEPCO is implementing various measures to improve the safety of the Kashiwazaki-Kariwa (KK) Nuclear Power Station, reflecting on the lessons learned from the Fukushima Daiichi Nuclear accident.

As part of these endeavors, KK's Units 6 and 7 underwent an operational safety assessment review conducted by the International Atomic Energy Agency's (IAEA) Operational Safety Assessment Review Team (OSART) from June 29 through July 13, 2015, in which 15 areas for improvement were identified in a report submitted on December 10th of the same year.

The progress of improvement on those 15 areas was examined during the follow-up review session conducted by the IAEA from July 31 through August 4, 2017, and the OSART report was submitted on November 14. The report shows that 8 of the areas have been resolved and the remaining 7 were judged to have made satisfactory progress. It concludes that the manager of the power station has made efforts to improve safety in operating the station. 

TEPCO will aim for further improvement by leveraging the results of this review based on IAEA standards and global knowledge, to earn the trust and confidence of local residents.

○Exhibit 1IAEA OSART Follow-up Mission Overview(PDF 280KB) PDF
○Exhibit 2IAEA OSART Follow-up mission results list Assessment result (Summary)(PDF 154KB) PDF
○Exhibit 3"Body of the report (original)"(PDF 3.76MB)PDF

Tokyo Electric Power Company Holdings, Inc. (TEPCO) is Japan's largest power company group, holding three independent business entities: TEPCO Fuel & Power, Inc., TEPCO Power Grid, Inc., and TEPCO Energy Partner, Inc. As a group, it generates, distributes, and sells electricity and other types of energy principally to the Kanto metropolitan area, which includes Japan's two most populous cities, Tokyo and Yokohama. Its 42,060 employees are committed to providing safe, reliable power as well as fulfilling its responsibilities to the communities of Fukushima.  (As of April 1, 2017)
TEPCO Website:
TEPCO Facebook page:
TEPCO Twitter page:

In Order to view the PDF documents, you will need a software product called Adobe® Acrobat® Reader installed on your computer. You can download this software product for free from Adobe's Web site by clicking the left button:

to TOP