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January 23, 2026 On the evening of January 21, Unit 6 of Tokyo Electric Power Company’s (TEPCO’s) Kashiwazaki-Kariwa Nuclear Power Station (KKNPS) (ABWR, 1.356GW) in Niigata Prefecture, which had been in shutdown since March...
January 8, 2026 On January 5, Chubu Electric Power announced that it had “suspicions that the selection of representative waves in the ground motion evaluation for the Hamaoka Nuclear Power Station had been conducted...
Nuke Info Tokyo is a bi-monthly newsletter that aims to provide English speaking friends with up-to-date information on the Japanese nuclear industry and the movements against it. Editor: Takakuwa Mayu Translators: Pat Ormsby,...
By Kuwabara Mie (Hara Asuka and Kuwabara Mie’s NPS Restart Holdback Project) In Niigata Prefecture, the controversy over the restart of the Tokyo Electric Power Company (TEPCO) Kashiwazaki–Kariwa Nuclear Power Station, whose operation...
On November 20, CNIC released a statement regarding the Tokyo Electric Power Company’s Kashiwazaki-Kariwa Nuclear Power Station. The next day, Governor Hanazumi Hideyo of Niigata Prefecture announced approval of the restart of Kashiwazaki-Kariwa NPS....
By Matsukubo Hajime State of the Plant The water temperature in the containment vessels and the spent fuel pools (SFPs) shows no great variation despite seasonal temperature changes. The state of releases of...
By Shibayama Yasuko (The Group of Citizens’ Seeking a Court Decision Ordering the Decommissioning of Nuclear Plants Over 40 years Old) Lawsuit to Decommission Aging Nuclear Reactors at 40 Years: An administrative lawsuit seeking...
By Matsukubo Hajime The Japan Atomic Energy Commission (JAEC) drastically changed the way they publicize the plutonium management data from the release at the end of 2022. The JAEC used to sort the...
By Tanimura Nobuko CNIC has compiled a report below on radiation management at nuclear facilities*. The number of workers engaged in decommissioning efforts at Tokyo Electric Power’s (TEPCO’s) Fukushima Daiichi Nuclear Power Station...
Dry Storage Facilities for Spent Fuel to be Established at Sendai Nuke Kyushu Electric Power Co. filed an application with Japan’s Nuclear Regulation Authority (NRA) on October 24 for approval of dry storage...