U.S. Department of Commerce Finds Indonesia Solar Cells Sold at Less Than Fair Value
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April 28, 2026 – The U.S. Department of Commerce has made a preliminary determination that crystalline silicon photovoltaic cells from Indonesia are being sold in the United States at less than fair value. This determination follows an investigation that began on August 12, 2025.
The period of investigation spans from July 1, 2024, to June 30, 2025. The products under scrutiny are solar cells, whether assembled into modules or not.
Due to a federal government shutdown, deadlines related to this investigation were extended. The preliminary finding was postponed and then finalized on April 21, 2026.
The Department of Commerce calculated an estimated weighted-average dumping margin of 35.17% for exporters such as PT Blue Sky Solar Indonesia and PT REC Solar Energy Indonesia. This rate also applies to all other producers from Indonesia.
Additionally, the Department found critical circumstances in part. It determined that some producers may face increased duties on entries made in the months preceding this investigation.
The U.S. Customs and Border Protection will suspend liquidation of the affected solar cell entries. This means the goods will be held at their ports of entry, and a cash deposit will be required at the current dumping margin rates.
This investigation follows complaints that Indonesian solar cells were harming U.S. industries. The Department of Commerce aims to protect domestic producers by ensuring fair competition in the solar market.
The findings and the methods used are explained in the Preliminary Decision Memorandum. Interested parties can access this document online via the Department’s electronic service system.
Affected parties may comment on this preliminary determination. The Department of Commerce will hold a hearing if requested, allowing for further discourse on the decision.
The final decision regarding these goods and their impact on the U.S. market is expected within 75 days of the preliminary determination.
The International Trade Commission (ITC) will also assess whether these imports are injuring U.S. industry. The ITC’s decision will be made after the Department of Commerce’s final determination.
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