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Japan’s Polysilicon Supply Capacity Disrupted by Japan Quake

M.Setek Co., which has the capacity to make more than a third of Japan’s polysilicon that’s used in solar cells and electronics, said its production was halted by the March 11 earthquake.

Polysilicon output from the facility in Soma City, northeastern Japan, was suspended after the temblor knocked out power in the region, Rei Kikuchi, a company official for the unit of Taiwan’s AU Optronics, said today. The plant has an annual capacity of 7,000 tons out of Japan’s 20,000 tons.