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Japan’s daunting task – to decommission Fukushima nuclear plant, over many decades

Seattle Times 3rd March 2021, The head of the wrecked Fukushima nuclear plant says there’s no need to extend the current target to finish its decommissioning in 30-40 years despite uncertainties about melted fuel inside the plant’s three reactors.

Ten years after meltdowns of three of its reactors following a massive March 2011 earthquake and tsunami that devastated northeastern Japan, the Fukushima Daiichi plant has stabilized but faces new challenges.

Nuclear regulators recently found fatal levels of contamination under the lids of two reactors, a test removal of melted fuel debris from one reactor has been delayed for a year, and a recent earthquake may have caused new damage to the reactors.

About 900 tons of melted fuel debris remain inside the plant’s three damaged reactors, and its safe removal is a daunting task that its operator, Tokyo Electric Power Co., or TEPCO, and the government say will take 30-40 years to finish. The removal of spent fuel units from cooling pools is already being delayed for up to five years. But Akira Ono, who as head of the plant is also its chief decommissioning officer, said he doesn’t plan to change the current goal to finish decommissioning between 2041 and 2051.

https://www.seattletimes.com/business/fukushima-chief-no-need-to-extend-decommissioning-target/

March 6, 2021 - Posted by Christina Macpherson | decommission reactor, Fukushima continuing

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