President Donald Trump has implemented a 15% tariff on imports of products containing polysilicon, a critical component in the manufacturing of semiconductors and solar panels. Set to be enforced on December 4, this tariff aims to bolster domestic production and decrease dependence on Chinese imports. Polysilicon, an extremely pure form of silicon, is essential for creating semiconductors used in artificial intelligence systems and data centers, as well as solar cells and panels. Currently, China stands as the foremost global producer of this material.
The new trade regulations specify minimum import prices: $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 and panels. According to the U.S. administration, these measures are designed to enhance the commercial feasibility of producing polysilicon domestically, thereby reinforcing supply chains critical to both economic stability and national security.
China has expressed opposition to these tariffs, accusing the U.S. of exploiting national security justifications to limit Chinese business operations. The Chinese government warns that such protectionist actions could potentially disrupt the trade relationship between the two nations. Amidst this tension, China continues to experience robust growth in its exports, notably in electronics, artificial intelligence products, and other sectors involving high-value manufacturing.
In the United States, two major facilities produce polysilicon: Hemlock Semiconductor in Michigan and Wacker Chemie in Tennessee. The recently announced policy also includes provisions for establishing incentives that would encourage companies to invest in domestic polysilicon production and related manufacturing facilities.