The Japanese Nuclear Regulation Authority (NRA) has banned TEPCO from restarting the unit 7 1.3 GW) at its 8.2 GW Kashiwazaki-Kariwa nuclear plant in Niigata prefecture (Japan) for security reasons. According to the NRA, TEPCO has been unable to detect unauthorized access at 15 points because of equipment glitches since March 2020. The measure will be in place until the situation improves. TEPCO expected to restart the unit 7 in June 2021.
The Kashiwazaki-Kariwa nuclear power plant consists of five 1,067 MW (1,100 MW gross) boiling water reactors (BWR) commissioned between 1980 and 1994 and two 1,315 MW (1,356 MW gross) advanced boiling water reactors (ABWR) commissioned in 1996 and 1997. All have been idle since the Fukushima disaster in March 2011. TEPCO is seeking to restart the two most recent reactors, namely Kashiwazaki-Kariwa 6 and 7 reactors.
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