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The Norwegian firm NorSun is planning to build a $620 million factory in Oklahoma that will produce silicon ingots and wafers for solar panels. The US has facilities that produce finished solar panels, but nearly all the silicon wafers used to make solar cells are produced in China. Another firm, Qcells hopes to start up a wafer facility in Georgia by the end of the year, and NexWafe has announced plans for a plant that makes wafers with a new manufacturing process.
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