By the end of May 2014, the number of polysilicon manufacturers decreased from 80 in 2011 to less than 30 in China. Leading enterprises are GCL Silicon Technology Holdings Inc., China Silicon Corporation Ltd. and LDK Solar Co., Ltd. The output volume of polysilicon reached 82,000 tons in China in 2013. The largest manufacturer of polysilicon was GCL Silicon Technology Holdings Inc., a subsidiary of GCL-Poly Energy Holdings Limited. The output volume of polysilicon of the company reached 50,440 tons in 2013, up by 36.1% YOY.
The production costs for domestic manufacturers of polysilicon are far higher than the international level. Domestic enterprises gain some profits when the price of polysilicon is high. The profit margin exhibits downward trend as the price of polysilicon decreases.
The Access Conditions of Polysilicon Industry published by Chinese government states that the scale of a solar grade project should be larger than 3,000 ton/year while that of a semiconductor grade project should exceed 1,000 ton/year. In solar grade project, the comprehensive energy consumption needs to be lower than 200 kWh/kg. In terms of environment protection, the circulation and utilization rate of water should be higher than 95% while waste water, waste gas, solid waste and noise also need to meet related standards. It is estimated that the Access Conditions of Polysilicon Industry may result in around 20 manufacturers of polysilicon in China.
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