U.S. International Trade Commission Updates Solar Cell Investigation Due to Company Name Change
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The U.S. International Trade Commission (ITC) has issued a notice about two ongoing investigations, Investigation No. 337-TA-1422 and Investigation No. 337-TA-1425. These investigations involve certain TOPCon solar cells, modules, panels, their parts, and products that use them.
The ITC has decided not to review an initial decision made by the Administrative Law Judge. The decision allowed the complainants to amend their complaint and the notice of investigation. This amendment was made to show a corporate name change. The company “Trina Solar US Manufacturing Module 1, LLC” is now “T1 G1 Dallas Solar Module (Trina) LLC.” The name change took effect on April 21, 2025.
Background of the Investigation
The ITC started Investigation No. 337-TA-1422 on November 5, 2024, and Investigation No. 337-TA-1425 on December 9, 2024. The complaints were filed by Trina Solar (U.S.), Inc., Trina Solar US Manufacturing Module 1, LLC (now T1 G1 Dallas Solar Module (Trina) LLC), and Trina Solar Co., Ltd. These companies are called “Complainants.”
The complaints say there were violations of section 337 of the Tariff Act of 1930 (19 U.S.C. 1337). The violations relate to bringing certain TOPCon solar products into the United States, selling them for import, or selling them after they arrive. The claims involve U.S. Patent No. 9,722,104 (claims 1-11) and U.S. Patent No. 10,230,009 (claims 1-17). The complaints also say there is a domestic industry involved.
Parties Named in the Investigation
The investigation names several respondents, including:
- Runergy USA Inc. (Pleasanton, CA)
- Runergy Alabama Inc. (Huntsville, AL)
- Jiangsu Runergy New Energy Technology, Co., Ltd. (Yangcheng City, China)
- Adani Solar USA Inc. (Irving, TX)
- Adani Green Energy Ltd. (Ahmedabad, India)
- CSI Solar Co., Ltd. (Suzhou, China)
- Canadian Solar Inc. (Guelph, Canada)
- Canadian Solar (USA) Inc. (Walnut Creek, CA)
- Canadian Solar Manufacturing (Thailand) Co., Ltd. (Bo Win, Thailand)
- Canadian Solar US Module Manufacturing Corporation (Mesquite, TX)
- Recurrent Energy Development Holdings, LLC (Austin, TX)
The Office of Unfair Import Investigations is also part of the case.
Progress of the Investigation
On January 21, 2025, the ITC combined the two investigations into one. There have been some changes in the list of respondents:
- On January 31, 2025, the investigation decided not to continue with Adani Green Energy Ltd., and added Mundra Solar PV Ltd. as a new respondent.
- On February 12, 2025, the target date for the investigation was updated to May 20, 2026.
- On February 13, 2025, the ITC decided not to continue with Recurrent Energy Development Holdings LLC.
Company Name Change
On May 12, 2025, the complainants asked for permission to change the complaint and notice of investigation. This was to reflect the company’s new name, from Trina Solar US Manufacturing Module 1, LLC to T1 G1 Dallas Solar Module (Trina) LLC. The judge agreed to the change on May 23, 2025, stating there was good reason to update the name.
No one objected to this update. The ITC has now officially amended the documents to use the correct new company name.
Authority and Dates
The ITC made this decision under section 337 of the Tariff Act of 1930, as updated, and according to the ITC’s rules. The decision was made on June 17, 2025.
For more information, contact Benjamin S. Richards, Esq., Office of the General Counsel, U.S. International Trade Commission. The case number for this Federal Register notice is 2025-11434.
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