A private think tank says the total cost of the Fukushima disaster could reach ¥70 trillion ($626 billion), or more than three times the government's latest estimate.
In a study Saturday, the Japan Center for Economic Research said costs of dealing with the heavily damaged Fukushima No. 1 nuclear plant run by Tokyo Electric Power Company Holdings Inc. could rise to between ¥50 trillion and ¥70 trillion.
In December, the government estimated the costs would reach roughly ¥22 trillion.
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