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Article archive for TEPCO;

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Regulator says Fukushima hydrogen leaks could cause explosions 26 May 2015

Leaking containers at Japan’s crippled Fukushima Daiichi nuclear power plant are at risk of possible hydrogen explosions, according to Japan’s nuclear regulator. The Fukushima facility, owned and operated by the Tokyo Electric Power Company (Tepco), was hit by an earthquake and  tsunami in 2011 that caused meltdowns in three of the plant's six nuclear reactors....

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Work starts on Fukushima ice wall 03 June 2014

On June 2, the operator of Japan's crippled Fukushima nuclear plant began work on a substantial underground ice wall to contain leaking radioactive water from the damaged reactors. The 1.4km-long wall will be made by inserting 1,550 pipes into the ground which will later be filled with coolant that should freeze the surrounding soil....

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TEPCO reports new radioactive leak from Fukushima 20 February 2014

On February 20, Japanese utility TEPCO said that some 100 tonnes of radioactive water may have escaped a concrete tank holding contaminated water at the stricken Fukushima Dai-Ichi nuclear plant. The latest leak is the most serious since August, when the plant lost 300 tonnes of water, prompting Japan's nuclear agency to raise the incident's alert level....

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Japan to build ice barrier to contain Fukushima leaks 06 September 2013

The Japanese government has announced a programme to build a wall of frozen water around the Fukushima nuclear plant to halt radioactive leaks. Government spokesman Yoshihide Suga estimated that 47bn yen ($473m) would be needed, with a further 15bn yen spent on equipment to decontaminate radioactive water currently being stored at the plant. ...

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Japan to raise Fukushima radioactive leak alert level to "serious incident" 21 August 2013

Japan’s Nuclear Regulation Authority (NRA) has proposed that the leakage of radioactive water at the Fukushima Dai-ichi nuclear power plant be termed a "serious incident" rather than "an anomaly". This raises the rating of the leak to Level 3 from Level 1 on the International Nuclear and Radiological event scale (INES) of  0 to 8....

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Japan nuclear regulator says Fukushima radioactive water leaks now an "emergency" 06 August 2013

Highly radioactive water leaking into the ocean from Japan's crippled Fukushima nuclear plant is creating an "emergency" that the operator is struggling to contain, according to the country's nuclear watchdog, and countermeasures planned by plant operator Tokyo Electric Power Co (Tepco) were only a temporary solution....

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Japan prepares to revive nuclear generation 09 May 2013

After new Japanese Prime Minister Shinzo Abe won a landslide victory in last December’s Lower House election, his Liberal Democratic Party (LDP) has methodically set about reversing the ousted Democratic Party of Japan (DPJ) administration’s policy of abandoning atomic power....

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Nuclear plant operator Tepco admits Fukushima crisis could have been avoided 10 December 2012

Tokyo Electric Power Company (Tepco) said in a statement on October 12 that it knew safety improvements were needed before last year's tsunami triggered three meltdowns, but it had feared the political, economic and legal consequences of implementing them....

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Official Fukushima report says Japanese regulation and culture must change to prevent repeat of 2011 disaster 12 September 2012

The Japanese parliament’s Nuclear Accident Independent Investigation Commission (NAIIC) report summary on the Fukushima disaster says the main reason for the initial incident was erroneous emergency response actions taken at the time. But the root cause, according to the report, was the distorted relationship between the plant operator Tokyo Electric Power Co (TEPCO) and regulatory bodies, which led to the collapse of the nuclear safety monitoring function. ...

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TEPCO failed to predict hydrogen explosion 17 August 2011

The operator of the tsunami-hit Fukushima number one nuclear power plant failed to predict the hydrogen explosion that occurred on 12 March following the disaster. That is what sources involved in the investigation into the crisis have said....