Nuclear Regulation Authority

J-Power applies for safety check of Oma nuclear plant under...
The Oma nuclear power plant under construction in July 2014 (Asahi Shimbun file photo)
Electric Power Development Co. (J-Power) applied Dec. 16 for safety screenings for its Oma nuclear power plant, currently under construction in Aomori Prefecture.
NRA head signals massive release of tainted water to help...
NRA Chairman Shunichi Tanaka, foreground, inspects storage tanks holding water contaminated with radioactive substances at the Fukushima No. 1 nuclear power plant. (Satoru Semba)
The head of Japan's nuclear watchdog said contaminated water stored at the crippled Fukushima No. 1 nuclear power plant should be released into the ocean to ensure safe...
NRA draft plan to require ID checks for nuclear plant workers
Workers remove fuel in the No. 4 reactor building at the Fukushima No. 1 nuclear power plant on Oct. 31. (Pool)
A preliminary anti-terrorism plan to create a system that requires identity checks for people accessing nuclear power plants has been approved by a Nuclear Regulation Authority ...
Nuclear watchdog panel: Fault under Tsuruga reactor is active
An aerial view of the Tsuruga nuclear power plant’s No. 2 reactor in Fukui Prefecture (Asahi Shimbun file photo)
A fault line beneath the No. 2 reactor of the Tsuruga nuclear power plant is indeed active, an expert panel of the Nuclear Regulation Authority concluded Nov. 19, drawing...
Kagoshima governor OKs Sendai nuclear plant restart, 1st under new ...
Opponents of nuclear energy hoist "No" posters in the gallery as the Kagoshima prefectural assembly approves the resumption of the Sendai nuclear power plant on Nov. 7. (Motoki Nagasawa)
KAGOSHIMA--Kagoshima Governor Yuichiro Ito approved on Nov. 7 the restart of operations at the Sendai nuclear power plant, clearing the final hurdle he had set for bringing the ...
EDITORIAL: Measures needed to reduce financial fears over...
The Hamaoka nuclear power plant in Omaezaki, Shizuoka Prefecture (Asahi Shimbun file photo)
Japanese power companies are under increasing pressure to decide whether to expand the service period of reactors that have been operating for more than 40 years.
Completion of nuclear fuel processing plant postponed for 21st time
The Rokkasho processing plant in Aomori Prefecture (Asahi Shimbun file photo)
AOMORI--Complications in safety screening have led to the 21st postponement of work to complete a key nuclear processing facility in Rokkasho, Aomori Prefecture.
SPEEDI radiation forecasting dropped by NRA as primary alert system
The System for Prediction of Environmental Emergency Dose Information (SPEEDI) in 2011 (Pool)
Japan's nuclear watchdog has decided to scrap a warning system to alert residents to evacuate in an emergency because it didn't function properly when there was a nuclear...
Kyushu Electric submits measures for volcanic eruption to nuclear...
The Sendai nuclear power plant in Satsuma-Sendai, Kagoshima Prefecture, in September (Asahi Shimbun file photo)
Kyushu Electric Power Co. has submitted more details on its safety measures for a volcanic eruption affecting its Sendai nuclear power plant, which is located near active...
Difficulties remain in protecting nuclear plants from volcanic...
People undergo radiation testing during a disaster management drill conducted near the Sendai nuclear plant in Kagoshima Prefecture in October 2013. (Asahi Shimbun file photo)
The deadly eruption of Mount Ontakesan in central Japan has rekindled concerns about whether Japan's nuclear power plants, such as the Sendai plant in Kagoshima Prefecture,...
TEPCO doubles tsunami height in damage estimate for Fukushima plant
A temporary levee constructed on the coastline at the Fukushima No. 1 nuclear power plant after the March 2011 Great East Japan Earthquake and tsunami (Asahi Shimbun file photo)
A tsunami of 26 meters would inundate the already-stricken Fukushima No. 1 power plant, causing a huge amount of radioactive substances to spill into the sea, according to...
Paperwork delays snarl restart of Sendai nuclear plant to next year
The Sendai nuclear power plant in Satsuma-Sendai, Kagoshima Prefecture (Asahi Shimbun file photo)
Kyushu Electric Power Co. jumped through all hoops but one to get its Sendai nuclear power plant in Kagoshima Prefecture back online this year.
Japan vows to push ahead with reactor restarts after volcanic...
The Sendai nuclear power plant in Satsuma-Sendai, Kagoshima Prefecture (Asahi Shimbun file photo)
Japan's government said the sudden deadly eruption of a volcano in central Japan won't derail its push to restart two reactors located near active volcanoes, even though the...
Outgoing NRA commissioner insists safety screenings for reactors...
Kunihiko Shimazaki speaks at a news conference on his retirement from the Nuclear Regulation Authority in Tokyo’s Minato Ward on Sept. 18. (Toshio Kawada)
An outgoing commissioner of the Nuclear Regulation Authority rejected criticism from the pro-nuclear community, saying the safety screenings for restarting the nation’s idled ...
Kansai Electric mulling over decommissioning aging Mihama reactors
The No. 1 and 2 reactors (left) at Kansai Electric Power Co.'s Mihama nuclear power plant in Fukui Prefecture (Asahi Shimbun file photo)
OSAKA--Kansai Electric Power Co. is considering decommissioning two reactors at its Mihama nuclear power plant in Fukui Prefecture, but is intent on restarting two others at...
More ALPS equipment approved for use at Fukushima plant
The multi-nuclide removal equipment ALPS (advanced liquid processing system) at the Fukushima No. 1 nuclear power plant undergoes an inspection due to system troubles last November. (Asahi Shimbun file photo)
Additional decontamination machines will be installed at the crippled Fukushima No. 1 nuclear power plant to treat the hundreds of tons of radioactive groundwater collected at...
Major budget cut planned for radiation forecasting tool for...
The Asahi Shimbun
The Nuclear Regulation Authority is planning a major slash in the budget for a forecasting tool for the spread of radioactive substances that was at the center of a controversy ...
Paperwork forces Kyushu Electric to delay reactor restarts
The Sendai nuclear power plant in Satsuma-Sendai, Kagoshima Prefecture, in April 2014 (Asahi Shimbun file photo)
Kyushu Electric Power Co.’s failure to submit paperwork will postpone the resumption of operations at its Sendai nuclear plant, despite the reactors having cleared tougher...
COMMENTARY: Green light for Sendai plant shows lessons from...
Trucks used in construction work enter the Sendai nuclear power plant in Kagoshima Prefecture on July 16 after the results of the safety screening were released. (Shoma Fujiwaki)
It clearly hasn't dawned on the central government and Japan's electric power companies that it is impossible to construct a nuclear plant that is 100-percent safe.
Koizumi: Government's nuclear-energy logic a complete failure
Former Prime Minister Junichiro Koizumi in May (Asahi Shimbun file photo)
Former Prime Minister Junichiro Koizumi again blasted the Abe administration’s pro-nuclear energy strategy, saying the plan to restart reactors across the nation is “too...