Nuclear Regulation Authority

Sendai nuclear reactors clear final screening
Sendai nuclear power plant in Kagoshima Prefecture (Asahi Shimbun file photo)
Kyushu Electric Power Co. cleared the final screening hurdle for a resumption of operations at its Sendai nuclear power plant in Kagoshima Prefecture.
Ehime reactor effectively clears NRA screening
The Ikata nuclear power plant in Ehime Prefecture (Asahi Shimbun file photo)
The nation's nuclear watchdog effectively gave the green light May 20 to restart a reactor at a third nuclear power plant.
Opposite rulings on reactor restarts underscore legal system...
The issue of restarting Japan's nuclear reactors is sparking major antagonism in Japanese society on par with the debate over the burden Okinawa bears for hosting U.S. military ...
20-year extension sought for operation of 2 aging Takahama reactors
The No. 1 and No. 2 reactors at the Takahama nuclear power plant (Asahi Shimbun file photo)
Kansai Electric Power Co. has become the first utility to apply for regulatory approval to extend the operating lives of aging reactors under the new system introduced after...
Risk probability of major nuclear accident to be cut by half
The Sendai nuclear power plant in Satsuma-Sendai, Kagoshima Prefecture, in September 2014 (Asahi Shimbun file photo)
The industry ministry intends to cut the risk probability of a major nuclear accident occurring to once in 80 years, half that of the once-in-40-years rate contrived just after ...
Injunction on reactors seen as victory by some, blip on road to...
Hiroyuki Kawai, a lawyer representing plaintiffs, explains the Fukui District Court’s ruling against the restarts of two reactors at the Takahama nuclear power plant in Fukui on April 14. (Kenta Sujino)
Anti-nuclear activists rejoiced, Kansai Electric Power Co. expressed some jitters and the government appeared unconcerned about the Fukui District Court’s injunction that...
COMMENTARY: ‘Wishful thinking’ of nuclear insiders must not be ...
Side roads leading to high-radiation areas are barricaded along National Route No. 6 in Okuma, Fukushima Prefecture, on Sept. 15, when a 14-kilometer section was opened to regular traffic for the first time since the Fukushima nuclear accident. (Asahi Shimbun file photo)
FUKUSHIMA--Four years have passed since the Great East Japan Earthquake and tsunami triggered a triple meltdown at the Fukushima No. 1 nuclear power plant in March 2011.
More reactors to be decommissioned for a total of 5
The Asahi Shimbun
Two more aging nuclear reactors are to be decommissioned in addition to three that utilities said had outlived their service life.
FOUR YEARS AFTER: Koizumi blasts Abe's nuclear policy, remark...
Former Prime Minister Junichiro Koizumi in Kitakata, Fukushima Prefecture, on March 11 (Shinichi Sekine)
KITAKATA, Fukushima Prefecture--Former Prime Minister Junichiro Koizumi said he was “dumbfounded” by his protege’s push to restart nuclear reactors and his claim that the ...
FOUR YEARS AFTER: There's a price to pay for university research...
Kinki University's nuclear reactor in Higashi-Osaka, Osaka Prefecture, had been used by other universities for practical training. (Tatsuyuki Kobori)
University research reactors were not exempt from the shutdowns of nuclear reactors that the central government ordered after the 2011 earthquake and tsunami that triggered the ...
Nuclear watchdog takes TEPCO to task for delay in leakage report
Fukushima prefectural authorities conduct an on-site inspection near the No. 2 reactor building of the Fukushima No. 1 nuclear power plant on Feb. 27. (Pool)
The nation's nuclear watchdog body slammed Tokyo Electric Power Co. on Feb. 27 over its failure to disclose information on the leakage of radioactive rainwater into the sea...
Kansai Electric gets NRA go-ahead to restart 2 reactors in Fukui
The No. 3 and No. 4 reactors of Kansai Electric Power Co.'s Takahama nuclear power plant in Fukui Prefecture on Feb. 11 (Kazunori Takahashi)
Japan's nuclear watchdog gave the green light Feb. 12 to restart two idled reactors at a plant in Fukui Prefecture, adding impetus to government efforts to bring nuclear...
Kansai Electric to apply shortly to restart three more reactors
The Mihama nuclear power plant's No. 3 reactor, background, last August (Asahi Shimbun file photo)
OSAKA--Kansai Electric Power Co. will seek approval from the Nuclear Regulation Authority before the end of March to restart three reactors at its Mihama and Takahama power...
NRA scolds Chubu Electric for missing deadline to make plant safe...
The Hamaoka nuclear power plant in Omaezaki, Shizuoka Prefecture (Asahi Shimbun file photo)
Japan's nuclear watchdog body issued a stern warning on Jan. 30 to Chubu Electric Power Co. for failing to install equipment to keep its Hamaoka nuclear power plant safe in the ...
NRA signs off on TEPCO plan to release decontaminated groundwater...
Groundwater is pumped up in areas around reactor buildings of the Fukushima No. 1 nuclear power plant in Okuma, Fukushima Prefecture, on Aug. 26, 2013. (Pool)
Japan's nuclear watchdog gave the green light to the operator of the wrecked Fukushima nuclear power plant to discharge pumped up groundwater into the sea if radioactive...
TEPCO's sloppy handling of suppressant led to spread of...
This March 2013 photo of the Fukushima No. 1 nuclear power plant shows, from back, the No. 1, No. 2, No. 3 and No. 4 reactors. (Asahi Shimbun file photo)
Tokyo Electric Power Co. diluted a dust suppressant that rendered it ineffective and allowed the spread of radioactive materials that contaminated 12 workers at the Fukushima...
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...