# Commerce Finalizes Solar Cell Dumping Duties

The U.S. Department of Commerce has finalized substantial antidumping and countervailing duties on crystalline silicon photovoltaic cells and modules imported from India, Indonesia, and Laos, with India's combined duty rate reaching **249.13%**. This action follows petitions from U.S. solar manufacturers alleging unfair trade practices. The U.S. International Trade Commission (ITC) is scheduled to vote on October 14, 2026, to determine whether these imports cause material injury to the domestic solar manufacturing industry, which will influence the enforcement of these duties.

- **Why this matters:** Procurement professionals and contractors in the solar energy sector should anticipate potential shifts in supply chain costs and sourcing strategies due to these high tariffs.
- U.S. solar manufacturers such as Hanwha Q CELLS USA Inc., First Solar Inc., and Mission Solar Energy LLC, who petitioned for these duties, may see competitive advantages if the ITC confirms injury.
- Organizations involved in federal or state solar procurement should evaluate the impact of these duties on pricing, contract negotiations, and vendor selection, especially for projects in states like Georgia, Arizona, and Texas where key manufacturers operate.
- The October 14 ITC vote is a critical date for stakeholders to monitor, as it will determine the final enforcement and potential market adjustments in the U.S. solar industry.

**Jurisdictions:** federal
**Industries:** Energy & Utilities
**Topics:** Regulatory Compliance
**Published:** September 24, 2026

### Government Entities
- U.S. Department of Commerce (Commerce)
- U.S. International Trade Commission (ITC)
- Alliance for American Solar Manufacturing and Trade

### Vendors
- Hanwha Q CELLS USA Inc. (petitioner member)
- First Solar Inc. (petitioner member)
- Mission Solar Energy LLC (petitioner member)
- Blue Sky Solar (producer/exporter)

### Sources
- [Commerce finalizes dumping duties reaching 249.13% on solar cells from India, Indonesia and Laos](https://gcn.com/commerce-finalizes-dumping-duties-reaching-249/21904) - gcn.com