SHANGHAI, Nov 13 (SMM)—Operating rates at Chinese silicon plants gained 5 percentage points on the month and 3.4 percentage points on the year to 50.3% in October, an SMM survey showed.
Large-scale silicon plants in Xinjiang raised operating rates, and decent profits encouraged plants in Chongqing, Inner Monglia and Heilongjiang to step up production, which contributed to the increase in operating rates. Compared with the same period last year, the average silicon price was more than 1,000 yuan/mt higher.
The Sichuan province entered a period when rivers are at their normal levels on October 25, and some silicon plants in Liangshan have already halted production. Except for those plants in Leshan and Aba which mainly produce chemical-grade silicon, plants in Liangshan and Ya’an will suspend production in late November. Operating rates in Sichuan are expected to drop to around 40% in November.
Yunnan Nujiang has started to to implement the electricity price in a dry season from November 1, and local silicon plants will cut output gradually. Plants in Baoshan and Dehong may likely to trim output from the second half of November due to limited supply of electricity.
As silica shortages limited capacity release in Xinjiang, domestic metal silicon supply will plunge in December, a completely dry season. Only four small furnaces in Xinjiang are expected to be brought online in November, SMM learned.
Operating rates at silicon plants are likely to stand at about 50% in November.
China produced 234,000 mt of metal silicon in October, and a total of 1.72 million mt in the first ten months of 2020, down 140,000 mt or 7.5% from the same period last year.

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