News on USA

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

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

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According to the Tennessee Occupational Safety and Health Administration, a faulty piston in a hydrogen compressor has caused the explosion at Wacker’s U.S. polysilicon plant. 

Monthly polysilicon imports into China from February 2017 through January 2018

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After the low in December, polysilicon imports into China surprisingly surged to an unusually large volume of 16,261 metric tons in January, an increase of 29.7% month over month.

Shares of main polysilicon importers in China 2012 through 2017

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Employees of the U.S.-based polysilicon manufacturers Hemlock Semiconductor and REC Silicon have urged U.S. President Trump in two letters to seek a solution for the U.S. polysilicon industry in the trade conflict with China.

Polysilicon tube filaments from GT Advanced Technologies (GTAT)

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Equipment supplier GT Advanced Technologies (GTAT) has developed tube filaments as an alternative to conventional slim rods for more efficient deposition of silicon from trichlorosilane in rod reactors.

Monthly polysilicon imports into China from November 2016 through October 2017

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Polysilicon imports into China dropped considerably from the record high of 17,628 metric tons (MT) in September to 11,153 MT in October.

Hemlock Semiconductor’s polysilicon plant in Hemlock, Michigan (USA)

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U.S.-based Hemlock Semiconductor, once the world’s largest polysilicon manufacturer, has announced that it will lay off 100 employees, most of them in the first quarter of 2018.

REC Silicon’s silane/polysilicon plant in Butte, Montana

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U.S.-based manufacturer REC Silicon has curtailed production of solar-grade polysilicon at its facility in Butte, Montana and will focus on electronic grade for the semiconductor industry there.

Charleston residents protest against Wacker’s communication policy after hydrogen explosion at its polysilicon plant

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After a hydrogen explosion has damaged its U.S. polysilicon plant, Wacker expects it will take several months until the plant is restarted. The company’s communication policy has sparked harsh criticism in the local community.

Vapor plume containing traces of hydrochloric acid after explosion at Wacker’s U.S. polysilicon plant in Charleston, Tennessee

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Chlorosilane escaped from two leaks after an explosion at Wacker’s polysilicon plant near Charleston, Tennessee (USA) on September 7. Production has been suspended until the cause of the explosion is found.

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

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A release of chemicals at Wacker’s polysilicon plant near Charleston, Tennessee (USA) has caused burns to five workers. They were taken to hospitals.