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Government wants to see more reactors online in face of energy crunch Takahama-3 and Takahama-4 in western Japan both began commercial operation in 1985. Kansai Electric Power will apply for regulatory approval to extend the operating life of its Takahama-3 and -4 nuclear power units by a further 20 years, potentially operating both plants for the maximum 60 years.

The company also said it is planning to replace the steam generators at the two 830-MW pressurised water reactor units in Fukui prefecture, western Japan.

Under safety rules which came into force after the Fukushima-Daiichi accident, Japanese reactors have an operating period of 40 years. One extension to this – limited to a maximum of 20 years – may be granted, but requires a special inspection to verify the integrity of reactor pressure vessels and containment vessels after 35 years of operation.

Takahama-3 and Takahama-4 both began commercial operation in 1985.

Two other unts at the site, Takahama-1 and -2, became the first Japanese units to be granted a licence extension beyond 40 years under revised post-Fukushima regulations, but are out of service pending the completion of a bunkered backup control centre, as required by the regulator. Kansai has said it plans to restart the units, both 780-MW pressurised water reactors, in mid-2023.

Date: Tuesday, 29 November 2022
Original article: nucnet.org/news/kansai-electric-aims-to-operate-takahama-units-for-60-years-11-1-2022

An International Atomic Energy Agency (IAEA) Task Force – set up last year to review the safety of the implementation of Japan’s Basic Policy to handle the treated water stored at the Fukushima Daiichi Nuclear Power Station – has carried out a new mission to review updated technical plans for the water discharge.

Date: Wednesday, 23 November 2022
Original article: neimagazine.com/news/newsiaea-task-force-reviews-japans-plans-for-discharge-of-fukushima-water-10376643

Tokyo has addressed key radioactivity characterisation issue in updates, says agency The water has been stored in tanks onsite, but space is running out. Courtesy Dean Calma/IAEA. An International Atomic Energy Agency task force set up last year to review the safety of Japan’s policy to handle treated water stored at the Fukushima-Daiichi nuclear station has carried out a new mission to the country to review its updated technical plans for the water discharge.

The updates – made in part due to feedback provided during an ongoing IAEA safety review process – include changes to the radiological environmental impact assessment before the discharge and the associated monitoring programmes. They also include the key issue of characterising the radioactivity in the water.

Japan announced in April 2021 that it planned to discharge more than 1.25 million cubic metres of treated water stored at the station by discharging it into the sea. The plan was approved by the nuclear regulator earlier this year.

The IAEA’s task force, a group of IAEA specialists and external experts from 11 countries, are conducting a multi-year review of the plan’s safety.

As part of its second mission the task force met in Tokyo this week with Tokyo Electric Power Company (Tepco), operator of Fukushima-Daiichi, and the Ministry of Economy, Trade and Industry (Meti).

Date: Saturday, 19 November 2022
Original article: nucnet.org/news/iaea-continues-safety-review-of-water-discharge-plans-11-5-2022

A team of International Atomic Energy Agency (IAEA) experts has completed a mission to Saeul units 1 and 2 (formerly Shin Kori 3 and 4) in South Korea, marking the IAEA's first operational safety inspection in the country for the APR-1400-type reactor.

Date: Saturday, 19 November 2022
Original article: world-nuclear-news.org/Articles/IAEA-assesses-operational-safety-at-Korean-APR-140

An International Atomic Energy Agency (IAEA) task force has carried out a second mission to Japan to review the country's updated technical plans for the discharge of treated water from the damaged Fukushima Daiichi nuclear power plant into the sea.

Date: Saturday, 19 November 2022
Original article: world-nuclear-news.org/Articles/IAEA-review-of-Fukushima-water-discharge-progresse

Orano has signed an engineering support contract with Tokyo Electric Power Company (TEPCO) and its Fukushima Decontamination and Decommissioning Engineering Company subsidiary for the design of a high-activity facility for small scale retrieval of nuclear fuel debris from the Fukushima Daiichi NPP.

Date: Saturday, 12 November 2022
Original article: neimagazine.com/news/newsorano-and-tepco-strengthen-co-operation-on-fuel-debris-removal-at-fukushima-10341144

The International Atomic Energy Agency (IAEA) has said that a team of experts will visit Japan to observe the collection and treatment of marine samples from the sea near the Fukushima Daiichi NPP. The mission aims to verify the quality of sample collection procedures and analytical methods used by Japanese laboratories performing marine environmental radioactivity monitoring.

Date: Wednesday, 09 November 2022
Original article: neimagazine.com/news/newsiaea-to-observe-sampling-of-seawater-near-fukushima-daiichi-10278378

A team of experts from the International Atomic Energy Agency (IAEA) is beginning the latest mission to observe the collection and treatment of marine samples from the sea near the damaged Fukushima Daiichi nuclear power plant in Japan.

Date: Tuesday, 08 November 2022
Original article: world-nuclear-news.org/Articles/IAEA-mission-to-check-Fukushima-marine-sampling

Tepco Holdings Co Ltd and Hitachi Zosen Co Ltd (Hitachi Shipbuilding) have set up a joint venture to establish a plant for manufacturing various core products necessary for decommissioning, such as used fuel casks and debris storage containers. The new company, Toso Mirai Manufacturing, was established in April. In order to achieve "a balance between reconstruction and decommissioning”, Tepco is bringing together decommissioning industries in the Hamadori area of Fukushima Prefecture, to develop and manufacture core technologies and products for decommissioning. 

Date: Wednesday, 02 November 2022
Original article: neimagazine.com/news/newstepco-and-hitachi-set-up-joint-venture-to-produce-used-fuel-storage-10137922

In their latest annual strategic progress report, experts from Japan’s Nuclear Damage Compensation and Decommissioning Facilitation Corporation (NDF – part of Tokyo Electric Power Corporation - Tepco) proposed that a massive concrete reservoir should be built and filled with water to completely enclose one of the Fukushima Daiichi reactor buildings.

Date: Saturday, 22 October 2022
Original article: neimagazine.com/news/newsrussian-expert-comments-on-projected-scheme-to-remove-molten-fuel-from-fukushima-reactors-10106856