The US Department of Commerce has issued interim anti-dumping regulations for three major solar exporting countries, imposing tariffs of up to 123% on crystalline silicon photovoltaic cells and modules.
The US Department of Commerce has announced preliminary positive findings in its anti-dumping duty investigations into solar energy imports from India, Indonesia and Laos.
According to a fact sheet released by Commerce, the agency has established preliminary dumping margins of 123.04% for India, 35.17% for Indonesia and 22.46% for Laos.
These investigations were initiated last August in response to a petition from the Alliance for American Solar Manufacturing and Trade, a coalition of domestic manufacturers including First Solar, Hanwha Qcells and Mission Solar. The group argued that a wave of low-priced imports from these countries was undermining the U.S. manufacturing sector during a critical period of domestic expansion.
These new AD duties are in addition to the provisional countervailing duties (CVD) announced by the Ministry of Commerce in February 2026, which targeted government subsidies. Overall, the overall exposure to provisional duties has risen sharply for many exporters from these countries. For India, total import duties are now around 234% for most manufacturers. In Indonesia, the combined rates are between 121% and 178%, while in Laos the total provisional rate is around 103%.
U.S. Customs and Border Protection (CBP) will now require importers to make cash deposits based on these preliminary tariffs. The targeted countries represent a large portion of the U.S. supply chain; According to government data, India, Indonesia and Laos accounted for $4.5 billion in solar energy imports in 2025 – roughly two-thirds of the total volume entering the country.
While these rates will go into effect immediately as cash deposit requirements, they will remain preliminary until final decisions are made later this year. Final decisions for India and Indonesia are scheduled for July 13, 2026, while Laos is expected to receive a final decision on or around September 9, 2026.
The final step in the process lies with the U.S. International Trade Commission (ITC), which must determine whether these imports have caused material damage to the domestic industry. The ITC’s final determination of injury is currently scheduled for October 19, 2026. If the ITC issues a negative finding, investigations will be terminated and all deposits collected will be refunded. If affirmative, final duty orders will be issued on October 26, 2026.
The US government also announced preliminary positive decisions in these countervailing duty (CVD) investigations in late February.
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