News on incident

News on suppliers, market trends and technology innovations in polysilicon and wafer production is selected, assessed and written for you by Bernreuter Research.

The factory gate of Sichuan Yongxiang’s polysilicon plant in Leshan after the flood had receded on August 20, 2020

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After a once-in-a-century flood in mid-August, Tongwei’s older polysilicon plant with a capacity of 20,000 metric tons in Leshan, Sichuan province will remain out of operation until mid-October.

Polysilicon plant of Tongwei’s subsidiary Sichuan Yongxiang Polysilicon in Leshan, Sichuan province, China

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While the polysilicon plant of Tongwei’s subsidiary Sichuan Yongxiang Polysilicon was temporarily shut down due to a flood alert, Daqo New Energy and GCL-Poly are aiming to resume production after accidents.

Distillation columns of GCL-Poly’s polysilicon plant in Xinjiang

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Chlorosilanes expert Alan Crawford argues for concerted action after four similar incidents have occurred at the Chinese polysilicon plants of Daqo, GCL-Poly, East Hope and Tongwei.

Wacker’s U.S. polysilicon plant in Charleston, Tennessee

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The series of incidents at Wacker’s U.S. polysilicon plant in Charleston, Tennessee does not stop: Four contract workers suffered chemical burns when they performed maintenance work on July 24.

GCL-Poly’s polysilicon plant in Xinjiang

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Within just three weeks, two Chinese polysilicon manufacturers have experienced accidents at their factories. The Chinese polysilicon industry should learn its lesson from the fire at Daqo and the explosions at GCL.

Polysilicon EBITDA margins of OCI, REC Silicon and Wacker from Q3 2018 through Q3 2019

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Polysilicon makers OCI, REC Silicon and Wacker all landed in red territory in the third quarter. Operating EBITDA margins ranged from -3.4% (OCI) to -9.3% (REC Silicon) to -13.3% (Wacker).

Wacker’s U.S. polysilicon plant in Charleston, Tennessee

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Record-low polysilicon prices and inventory valuation adjustments pushed the operating EBITDA margin of Wacker’s polysilicon division to minus 13.3% in the third quarter.

Fire at Wacker’s U.S. polysilicon plant in Charleston, Tennessee

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20 months after a severe hydrogen explosion at Wacker’s U.S. polysilicon plant near Charleston, Tennessee, a fire in the waste water treatment building was extinguished.

OCI’s expansion of polysilicon production capacity

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Although South Korean chemicals group OCI benefited from high demand for monocrystalline-grade polysilicon in the fourth quarter of 2018, its basic chemicals division was in red territory for the second quarter in a row.

Reopening ceremony for Wacker’s U.S. polysilicon plant in Charleston, Tennessee with Dr. Tobias Brandis, Dr. Rudolf Staudigl, Mary Beth Hudson, Dr. Peter-Alexander Wacker, and David Wilhoit (from left)

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After investigating the cause of the hydrogen explosion that occurred on September 7, 2017 and repairing the damaged equipment and building, Wacker has restarted production at its U.S. polysilicon plant near Charleston.