On Thursday, Fastmarkets approached the company for comment, but Ferroglobe officials had not confirmed the furnace restart at the time of writing.

[Ferro-Alloys.com]Silicon, a major material used in photovoltaic cells, modules and wafers, has seen prices surge by about 150 percent since the beginning of this year to an average of over 200,000 yuan ($31,100) per metric ton last week, buoyed by growing dem...

Ferroglobe had not confirmed the closure to Argus at the time of writing and was not immediately available for comment.

China's August output reached 233,300t, up by 7.56pc from July, according to data from the China Nonferrous Metals Industry Association.

U.S. First Solar spends 680 million yuan to expand production

China's silicon exports by country in Jan-Apr 2021.

China's silicon exports in April 2021.

US imports of 99-99.99% silicon metal were 14,123.2 mt in the first two months of 2021 and were 5,221.1 mt in February 2021.