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Trump unveils trade actions to protect key solar and semiconductor material

By Thomson Reuters Aug 6, 2026 | 3:48 PM

By Nichola Groom and Alexandra Alper

WASHINGTON, Aug 6 (Reuters) – The White House on Thursday imposed a series of price ​floors and a 15% tariff on ‌products made from polysilicon, the raw material used in semiconductors and solar panels.

The proclamation under Section 232 of the Trade Expansion Act of 1962 by ‌U.S. ​President Donald Trump is aimed ⁠at protecting domestic ⁠polysilicon makers from Chinese competition.

Polysilicon, an ultra-pure form of silicon, sits at the start of the semiconductor and solar manufacturing supply ​chains. Manufacturers turn silicon wafers into solar cells and then assemble those into panels ⁠used in solar projects.

The ⁠trade protections will take effect ​on December 4, the White House said.

According to ​a White House document, the president set ‌minimum import prices of $21 per kilogram for polysilicon, $100 per kilogram for polysilicon ingots and wafers, $0.22 per watt for solar cells and $0.38 ⁠per watt for solar modules, or panels.

The proclamation also authorizes the Commerce Department to create an incentive ⁠program for ‌companies that invest in factories ⁠to produce polysilicon or derivative products.

The ​administration’s ‌plan to pursue a hybrid ​system combining ⁠a minimum import price with tariffs was first reported by Reuters.

(Reporting by Jacob Bogage and Alexandra Alper in Washington; Writing by Jasper Ward; Editing by David Ljunggren, Daniel Wallis and ​Nia Williams)