The initiative comes part of a plan to reconstruct the area stricken by the disaster in March 2011.
By 2020, the government said, a total of 143 wind turbines on platforms 16 kilometres off the coast of Fukushima. The wind farm will generate 1 GW of power once completed, officials said.
Following the disaster at the Fukushima plant, all 54 of Japan's reactors were shut down, and only two have been brought back online in the 21 months since as the government has tried to move closer to fulfilling its pledge to increase the use of renewable energy across the nation.
Among the unique features of the plan is Japan's intention to rely on massive floating turbines which will be stabilised with ballast and anchored to the 200-metre-deep continental shelf that surrounds the Japanese coast via mooring lines, according to an analysis of the project by New Scientist.
The magazine also reported the wind farm will supply electricity to the powerful grid which Fukushima's two nuclear power plants were connected to, reducing transmission costs.
The project is being overseen by Takeshi Ishihara of the University of Tokyo.
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