US to impose floor prices and tariffs for polysilicon and derivatives

The US government announced price floors and tariffs on all polysilicon imports to protect domestic semiconductor and solar material producers, taking effect in December. While the US dominates polysilicon production for semiconductors, it has limited capacity for solar wafer production, and these measures may raise costs for solar and chip manufacturers.

This Wire brief sits within Fusion42's coverage of Semiconductors, and 4 sources have reported it between 7 Aug 2026 and 21 Aug 2026.