The U.S. Department of Commerce has issued final affirmative determinations in its antidumping and countervailing duty investigations targeting crystalline silicon photovoltaic cells and modules imported from India, Indonesia, and Laos. Commerce reported a finding that manufacturers in all three nations dumped solar components into the U.S. market below fair value and benefited from government subsidies, resulting in material injury to the domestic solar manufacturing sector. The decision marks the conclusion of the Department of Commerce phase of the Solar IV trade litigation, originally brought by the Alliance for American Solar Manufacturing and Trade.
In its final determination, Commerce established steep dumping margins and countervailing subsidy rates across mandatory respondents and all other producers in the targeted nations. For Indian suppliers, Commerce calculated final dumping margins at 123.04% for all producers, alongside a countervailing duty rate set at 126.09%. Indonesian exporters face finalized dumping margins at 94.36% for all producers, with final countervailing duty rates ranging between 73.2% and 173.7%, depending on the specific manufacturer. For imports originating in Laos, Commerce set final dumping margins at 65.43% for all exporters, accompanied by countervailing subsidy rates established between 82.03% and 153.67%.
The cases were initiated following petitions from the Alliance for American Solar Manufacturing and Trade, a coalition represented by lead petitioners First Solar, Hanwha Qcells USA, and Mission Solar Energy. If the International Trade Commission vote is affirmative, Commerce will issue official duty orders on November 2, 2026, imposing the finalized cash deposit rates.
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