US Implements Tariffs and Price Floors on Polysilicon and Solar Products
Story essentials
The White House, US Department of Commerce
United States
December 4, 2026
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COMPAMIR Editorial Team
The COMPAMIR editorial team brings together public reporting and links to the original coverage. We update the page as new information emerges.
Read our editorial policy- Earlier version 18/7/2026, 9:50:31 AM
The White House announced a 15% tariff on polysilicon imports effective December 4, 2026. Minimum import prices set for polysilicon ($21/kg), ingots/wafers ($100/kg), cells ($0.22/W), and modules ($0.38/W). The move follows a Section 232 investigation citing national security concerns. Incentives for domestic production and onshoring plans are authorized.
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