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Trump likely to reject US industry requests for quicker polysilicon tariff, source says

By Thomson Reuters Aug 6, 2026 | 2:29 PM

By Alexandra Alper, Nichola Groom and Jarrett Renshaw

WASHINGTON, Aug 6 (Reuters) – The Trump administration is expected to spurn ​requests from some U.S. solar ‌manufacturers for a speedier timeline to put in place a new price floor and tariff on imports of polysilicon products, a person familiar ‌with ​the matter said.

A new ⁠15% tariff for the ⁠polysilicon derivatives and price floor, which Reuters reported could be unveiled as soon as Thursday, was initially slated to ​kick in 120 days following the announcement, four sources said.

But some in ⁠the industry have been ⁠lobbying the administration for a ​90-day timeline for implementation, arguing that an ​extra month would give China, a ‌top producer of such products, too much time to sell into the United States, hurting U.S. rivals.

When asked about the ⁠proposal for an expedited timeframe, a White House official said the administration is closely examining ⁠domestic production ‌capabilities but would not get ⁠ahead of the president.

The Commerce ​Department, ‌which conducted the investigation that ​found polysilicon ⁠product imports threaten national security, prompting the measures, did not immediately respond to a request for comment.

(Reporting by Alexandra Alper, Nichola Groom and Jarrett Renshaw; Editing by ​Mark Porter)