Wacker considers closing US polysilicon plant due to Trump tariffs
German chemical firm may shut Tennessee factory after losing customers under new trade measures.
1Tariff Backfire
Wacker Chemie is considering closing its Tennessee polysilicon plant after new US tariffs intended to protect domestic production instead caused the company to lose its last two customers. The 600-employee facility now faces an uncertain future despite being exactly the type of foreign investment the administration claims to support. This reveals a fundamental flaw in the tariff design that hurts both manufacturers and their clients.
2US Production Decline
American polysilicon production has plummeted from 50% of global output in 2005 to less than 2% today, with only Wacker and Hemlock remaining. The August 6 tariffs aimed to reverse this by imposing 15% duties on imports and setting minimum prices. However, these measures apply indiscriminately to all downstream products regardless of origin, failing to create the intended advantage for domestic suppliers.
3Cost Disparity
US-made polysilicon costs four times more than Chinese material, a gap the tariffs don't address. The price floors ($21/kg for polysilicon, $100 for ingots/ wafers) actually compound the problem by increasing costs for all manufacturers. Wacker's CEO had warned they might end up with excess capacity without truly supportive trade policies.
4National Security Paradox
The tariffs were justified for defense systems using polysilicon-based chips. Ironically, the measures make domestic wafer producers more likely to source finished products from China where price floors have less impact. This undermines the very supply chain security the policy claims to protect.
5European Complications
Wacker's German ownership creates political complications as the company represents the type of foreign direct investment the US seeks. Its potential exit would leave just one domestic polysilicon producer, contrary to the policy's goal of strengthening supply chains. Meanwhile, Chinese firms continue advancing up the value chain into semiconductor-grade materials.
6Global Context
The EU faces similar dependencies, stockpiling €7B of Chinese solar panels while planning clean tech initiatives. Like the US, Europe struggles to balance economic security with competitive realities in the renewable energy sector. Both cases highlight how trade measures often have unintended consequences.
7Implementation Window
With tariffs not taking effect until December, there's still time for policy adjustments. Wacker seeks amendments that would distinguish US-made polysilicon from imports, which could potentially win back lost customers. However, any changes would need to address the fundamental cost disparities to be effective.
8Broader Implications
This situation exemplifies how poorly targeted trade measures can harm the very industries they aim to protect. The case underscores the need for precision in industrial policy, especially in strategic sectors like semiconductor materials where supply chain resilience is critical for both economic and national security.
Original article: The Next Web — Wacker considers closing US polysilicon plant due to Trump tariffs