The U.S. Department of Commerce has opened antidumping and countervailing duty investigations into crystalline silicon photovoltaic (CSPV) cells from India, Indonesia, and Laos, covering products whether or not they are assembled into modules.
The move, announced on Aug. 7, 2025, follows a sharp rise in solar panel shipments from these nations to the United States.
According to U.S. Census Bureau data cited by the Commerce Department, India’s exports to the U.S. surged from 232.4 million watts in 2022 to 2.3 billion watts in 2024, with the value jumping from $83.9 million to $792.6 million.
Indonesia’s exports climbed from 499.1 million watts in 2022 to 1.8 billion watts in 2024, worth $177.5 million and $415.2 million respectively.
Laos, which recorded no shipments in 2022, exported 1.9 billion watts worth $335.7 million by 2024.
The Commerce Department’s preliminary findings point to alleged dumping margins ranging from 123.12% to 190.12% for Laos, 94.36% for Indonesia, and 123.04% for India.
It also found that subsidy rates in all three countries were above de minimis thresholds.
The U.S. International Trade Commission (USITC) is scheduled to issue its preliminary determination on Sept. 2, 2025.
If it finds injury to U.S. industry, the Commerce Department will release preliminary results for the countervailing duty investigation on Oct. 13, and for the antidumping duty investigation on Dec. 26, with possible extensions.