Tepco discovers melting ice wall at Fukushima Daiichi factory in Japan

An employee of Tokyo Electric Power Co. (TEPCO) looks at a tank reserved for the storage of treated water in the Fukushima Daiichi nuclear power plant, paralyzed by the tsunami, in the city of Okuma, in the prefecture of Fukushima, in Japan, March 1, 2021. REUTERS / Sakura Murakami

TOKYO, Nov.26 (Reuters) – Tokyo Electric Power Co (Tepco) (9501.T) to launch repair work at the stricken Fukushima Daiichi nuclear power plant to reinforce an ice wall intended to stop the flow of groundwater after tests indicate partial melting.

Work could begin as early as early December, according to a presentation by the plant operator dated Thursday, as part of a costly and difficult effort to secure the site after the 2011 earthquake and tsunami.

The ice wall is intended to limit the infiltration of groundwater into the plant, which created large amounts of toxic water stored by Tepco in reservoirs.

Japan plans to discharge more than a million tonnes of water into the sea after treating it. Water contains the radioactive isotope tritium, which cannot be eliminated.

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Reporting by Sakura Murakami and Sam Nussey; Editing by Muralikumar Anantharaman and Stephen Coates

Our Standards: Thomson Reuters Trust Principles.

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