US Plans Polysilicon Price Floor and Tariffs to Challenge China in Solar and Chip Supply Chains

Post by : Saif

Trump administration is preparing to introduce a minimum price for imported polysilicon along with new tariffs on polysilicon and related products as part of a broader effort to reduce U.S. dependence on China's solar and semiconductor supply chains.

According to officials familiar with the proposal, the measures could be announced later this month following a national security investigation conducted under Section 232 of the Trade Expansion Act of 1962.

The proposed policy is designed to strengthen domestic production of a material that is essential for manufacturing both solar panels and semiconductor chips, two industries considered strategically important for artificial intelligence, clean energy, and national security.

Why Polysilicon Matters

Polysilicon is an ultra-pure form of silicon used to manufacture solar wafers, solar cells, and semiconductor chips.

It forms the foundation of the global solar manufacturing process and also supports the production of advanced electronic components used in AI servers, data centers, electric vehicles, smartphones, and consumer electronics.

China currently dominates global polysilicon production and controls around 80% of the world's solar manufacturing capacity, giving it a significant influence over global supply chains.

US Aims to Support Domestic Manufacturers

The proposed measures are expected to benefit American producers, including factories operated by Hemlock Semiconductor and Wacker Chemie, by protecting them from lower-priced imports.

Officials say the administration is considering a hybrid system that combines:

• A minimum import price (price floor).
• Additional tariffs on imported polysilicon and derivative products.
• Incentives for companies investing in U.S.-based wafer and solar cell manufacturing.

The goal is to encourage investment across the entire domestic solar manufacturing supply chain rather than relying heavily on imported components.

Read more: U.S. Trade Action Hits Indian Solar Exporters With Steep Duties

Potential Impact on Solar and Chip Industries

While the policy could strengthen U.S. manufacturing, industry groups warn that higher import costs may increase prices for:

• Solar power projects.
• Semiconductor production.
• Consumer electronics.
• Electric vehicles.
• Data center infrastructure.

Solar developers and semiconductor manufacturers have urged the government to ensure sufficient supplies remain available while domestic production expands.

Several companies have argued that imports from countries such as Malaysia, Germany, and South Korea will still be necessary until U.S. manufacturing capacity increases.

Markets React to Reports

Following reports of the proposed policy, shares of several U.S.-listed solar manufacturers moved higher as investors anticipated stronger protection for domestic producers.

Analysts say the measures could improve the competitiveness of American manufacturers while accelerating investment in local production facilities.

Broader Trade Strategy

The proposed polysilicon measures are part of a wider U.S. trade strategy focused on strengthening domestic manufacturing in sectors considered vital to national security.

The administration has already introduced tariffs on products including steel, aluminum, automobiles, copper, and lumber and continues investigations into semiconductors, pharmaceuticals, drones, critical minerals, wind turbines, and industrial robots.

Officials say these policies are intended to reduce dependence on foreign supply chains and improve long-term economic resilience.

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