Polysilicon prices have been high since mid-July, when two Xinjiang factories accounting for 12% of global supply – one owned by Daqo New Energy and the other by GCL-Poly Energy Holdings – were knocked out by fires. This was followed by a state-imposed halt on production in order to carry out a safety review. Floods in Leshan knocked out another 2 GW of production capacity, belonging to Tongwei, in mid-August. In 2019 China accounted for two-thirds of the world’s 500,000 tons of polysilicon output. Additionally, demand for solar modules was higher than expected, with the overall result being a price increase – which has mostly stabilized – of at maximum 60% and 100%, depending on the polysilicon grade. These are…