The short-timing will occur at Wacker’s principal chemicals plant in Burghausen, in the German state of Bavaria, according to reports.

The immense polysilicon upgrade Wacker opened earlier this year at Nünchritz will apparently be unaffected, and construction continues apace at its facility in Tennessee, US, which is slated for completion in late 2013.

Despite the precipitous decline in polysilicon prices over the past four years – the chief driver of falling PV prices – most of the world’s leading producers remain profitable, given their capacity and technology leads over smaller, newer rivals, many of them in China.

Wacker is considered one of the “big four” polysilicon producers, alongside OCI, Hemlock and GCL-Poly – with Norway’s REC not far behind.

Despite