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Japan's Nuclear Regulation Authority (NRA) has endorsed Tokyo Electric Power Company's (Tepco's) plan to discharge treated water from the damaged Fukushima Daiichi nuclear power plant into the sea. It will give its official approval of the plan following a 30-day public comment period.

Date: Thursday, 19 May 2022
Original article: world-nuclear-news.org/Articles/Regulator-backs-Fukushima-water-discharge-plan

Finland's Radiation and Nuclear Safety Authority (STUK) has started reviewing Posiva Oy's operating licence application for the world's first used fuel disposal facility after concluding the company has provided sufficient material.

Date: Thursday, 19 May 2022
Original article: world-nuclear-news.org/Articles/Review-of-Finnish-used-fuel-disposal-facility-lice

Bernard Doroszczuk, President of France’s Autorité de Sûreté Nucléaire (ASN), told a parliamentary hearing that the "discovery of unexpected stress corrosion" had led to checks of 35 welds so far, a third of the total to be examined by the end of June.

Date: Thursday, 19 May 2022
Original article: world-nuclear-news.org/Articles/French-regulator-gives-update-on-corrosion-issue

The US Defense Innovation Unit (DIU) has awarded contracts to Ultra Safe Nuclear Technologies and Avalanche Energy to demonstrate the next generation of nuclear propulsion and power capability for small spacecraft.

Date: Thursday, 19 May 2022
Original article: world-nuclear-news.org/Articles/Contracts-to-demo-novel-space-propulsion-technolog

Authorities say there is ‘no practical alternative’ Water storage tanks at the Fukushima-Daiichi nuclear power station site. IAEA/Dean Calma. Japan’s Nuclear Regulation Authority (NRA) has granted an initial approval for Tokyo Electric Power Company’s (Tepco) plan to release water from the destroyed Fukushima-Daiichi nuclear power station into sea, saying there are no safety issues.

The NRA plans to make a decision on final approval after a one-month public comment period, an NRA official was quoted as saying by local media.

In April 2021 Japan announced its policy to gradually discharge more than 1.25 million cubic metres of treated water into the sea, subject to approval from the NRA, an independent regulatory body.

It asked for the International Atomic Energy Agency’s assistance to help ensure the project’s implementation. Japanese authorities said there was no practical alternative to releasing the water as storage space ran out. They said there was no risk to human health and that operating nuclear plants around the world release similar water every day.

Date: Thursday, 19 May 2022
Original article: nucnet.org/news/japan-s-nuclear-regulator-gives-initial-approval-to-water-discharge-plans-5-3-2022

South Korea's SK Group has signed a Memorandum of Understanding (MoU) with TerraPower of the USA to jointly develop "next-generational technologies" needed for small modular reactors (SMRs).

Date: Wednesday, 18 May 2022
Original article: world-nuclear-news.org/Articles/Korean-conglomerate-to-cooperate-with-TerraPower

The Magnox reprocessing plant at Sellafield will end its operations in July, marking the completion of the UK Nuclear Decommissioning Authority's (NDA) Magnox Operating Programme.

Date: Wednesday, 18 May 2022
Original article: world-nuclear-news.org/Articles/UK-reprocessing-plant-to-end-operations

Slovenské Elektrárne has released a series of photos of work on a cooling tower at unit 1 of the nuclear power plant which has extended its life to 2060 and enabled an increase in power output.

Date: Wednesday, 18 May 2022
Original article: world-nuclear-news.org/Articles/In-pictures-Refurb-of-125-metre-cooling-tower-at-M

The Massachusetts Institute of Technology (MIT) Plasma Science and Fusion Center (PSFC) is to expand its fusion energy research and education activities under a new five-year agreement with MIT spinout company Commonwealth Fusion Systems (CFS).

Date: Wednesday, 18 May 2022
Original article: world-nuclear-news.org/Articles/MIT-expands-fusion-collaboration

Facility will be ‘critical tool for developing transformational technologies’ The US is expected to make a final decision on the VTR project by late June. Courtesy DOE. The US Department of Energy has published a final environmental impact statement for the Versatile Test Reactor, a 300-MW sodium-cooled, fast-neutron reactor that would help develop advanced nuclear technologies.

The DOE has chosen the Idaho National Laboratory as the preferred site for building the VTR and is expected to make a final decision on the project by late June. An alternative site in the final environmental impact statement was Oak Ridge National Laboratory in Tennessee.

The VTR will be used to provide a source of fast neutrons for testing and evaluating nuclear fuels, materials, sensors, and instrumentation to support the development of advanced reactor technologies. Such facilities are available in only a few locations worldwide, and the US has not operated one in more than 20 years.

The VTR will be based on many of the design and passive safety features of GE Hitachi’s Prism small modular reactor. According to DOE researchers, the Prism design would require several changes, notably the elimination of electricity production and the accommodation for experimental locations within the core.

Date: Wednesday, 18 May 2022
Original article: nucnet.org/news/us-doe-chooses-inl-over-oak-ridge-as-preferred-site-5-2-2022