Japan intends to construct one of the world's largest floating wind farms off the Izu Islands to supply power to Tokyo and the surrounding island chain. However, the feasibility and timeline, especially meeting a 2035 deadline, are facing technical and structural doubts.

Japan is planning to build what could become the world’s largest floating wind farm – a gigawatt-scale project off the Izu Islands to power the island chain and Tokyo. But the plan, championed by Governor Yuriko Koike, is facing questions over whether it can be delivered by 2035. There are also doubts about the power generation forecast and whether Japan could tackle the technical demands of such a megaproject. Koike first announced the wind farm project at a climate change conference in...