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4-Traders Homepage  >  Equities  >  Tokyo  >  Tokyo Electric Power Company Holding Inc    9501   JP3585800000

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Tokyo Electric Power : Robot successfully reports killer radiation levels inside Fukushima reactor

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03/24/2017 | 11:55pm CET

Tokyo Electric on Sunday confirmed lethally high radiation levels inside the primary containment vessel (PCV) of the heavily damaged unit 1 of the Fukushima Daiichi nuclear plant.

A magnitude-9.0 earthquake and tsunami in March 2011 resulted in the meltdown of three of Fukushima's six reactors. The disaster in Japan left around 19,000 people dead and more than 100,000 homeless. In the largest nuclear incident since Chernobyl, radiation levels were so high that every robot sent to explore the site has failed.

Finally, on Saturday the PMORPH robot inserted into unit 1 in the first of a series of four missions into the PCV basement area managed to provide the Tokyo Electric Power Company (Tepco) with the radiation and temperature measurements within it.

Devices on the camera-equipped robot measured radiation levels of 7.8 sieverts per hour on a metal stage for workers and 1.5 sieverts per hour in water pooled at the bottom. The figures are significantly lower than the 210 sieverts per hour measured at one spot in the PVC of the No. 2 reactor last month, but are still extremely high.

The four-day inspection launched by Tepco, the owner and operator of the now-defunct Fukushima-1 nuclear plant, is part of preparatory work for the eventual removal of fuel debris. The primary mission of the robot is to investigate the bottom of the containment vessel to see whether it can capture images of the melted fuel. Finding the exact location and condition of the melted fuel is considered critically important to dismantling the reactors.

In photos provided to the media, a valve and a pipe in cooling water at the bottom of the containment vessel is shown covered in a yellowish substance that the utility said could be rust. Another photo shows the grating that the robot, which is attached to a cable, was traveling on.

Tepco said the robot can withstand up to 1,000 sieverts before malfunctioning. It traveled about 5 meters on Saturday and will eventually make its way to the other side of the concrete structure through a space that runs beneath the pressure vessel, which houses the core.

The process of decommissioning the nuclear plant is expected to take at least 40 years, and cannot begin before a full assessment of the damage is complete.

(c) 2017 Philippines News Agency Provided by SyndiGate Media Inc. (Syndigate.info)., source Middle East & North African Newspapers

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Financials ( JPY)
Sales 2017 5 322 107 M
EBIT 2017 -
Net income 2017 185 899 M
Debt 2017 4 995 333 M
Yield 2017 -
P/E ratio 2017 3,65
P/E ratio 2018 5,52
EV / Sales 2017 1,07x
EV / Sales 2018 1,01x
Capitalization 682 982 M
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Mean consensus HOLD
Number of Analysts 4
Average target price 480  JPY
Spread / Average Target 13%
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Naomi Hirose Executive President & Representative Director
Fumio Sudo Chairman
Toshihiro Sano Director
Yuji Masuda Director
Toshiro Takebe Director
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