United Solar Polysilicon (FZC) SPC

United Solar

We drive the future of clean technology

Creating a sustainable and better world

United Solar, through our subsidiary, United Solar Polysilicon, is a leading producer of high-purity polysilicon—a vital component for the solar industry—operating one of the world's most advanced manufacturing facilities in Oman's Sohar Freezone.

100K

Metric tons of polysilicon produced annually
40GW

Will be supported in solar module production
$260M

Equity investment by the Oman Investment Authority

United Solar Polysilicon

One of the most technologically advanced polysilicon plants in the world—setting new global benchmarks in energy efficiency, yield, and automation.

Our Products

We produce ultra-high purity polysilicon that plays a vital role in the production of photovoltaic cells — the core components of solar panels. High-quality polysilicon enables the creation of advanced solar technologies that power today's energy infrastructure and support the growing global demand for clean, reliable energy.

Distinctive Technology

United Solar's operational model is built to deliver reliable, high-quality, and competitively priced polysilicon. Our Oman facility's modular design allows us to quickly scale production and adapt to changing market demand, ensuring customers have access to a stable supply. We combine automated and data-driven processes with technical expertise to produce polysilicon at a price point that rivals that of established Asian manufacturers.

News

Omani Women's Day Celebration at USP

Omani Women's Day is not only a celebration but also a tribute to strength, wisdom, and dedication. To honour this special occasion, USP organized a heartfelt celebration on Thursday, October 16, from 2:00 PM to 4:00 PM

Sohar Port Management Program Visit at USP

United Solar Polysilicon was honoured to be one of the key industrial tenants selected by SOHAR Port and Freezone for the SOHAR Port Management Program site visit.

United Solar Polysilicon Announces Strategic Partnership with OQ Alternative Energy to Develop 700MW Photovoltaic Power Station

Muscat, Oman — May 12th, 2025 — United Solar Polysilicon, a leading global provider of high-quality polysilicon solutions, is pleased to announce a strategic partnership with OQ Alternative Energy, a prominent renewable energy developer in the Middle East.

United Solar signs Strategic Framework Agreement with IFC

Muscat, Oman, April 14, 2025 – IFC has signed three landmark agreements in Oman on World Bank Group (WBG) Day, an event held in cooperation with Oman’s Ministry of Finance.

United Solar Holding Inc. Appoints Binyam Giorgis as Chief Financial Officer

Sohar, Oman, April 14, 2025/PRNewswire – United Solar Holding Inc. (“United Solar” or the “Company”), a leading manufacturer of high-purity polysilicon for the global solar photovoltaic industry, is pleased to announce the appointment of Binyam Giorgis as Chief Financial Officer, effective immediately.

USP Football Team Secures First Victory in the Sohar Free Zone Ramadan Football Championship

On Tuesday, March 4, 2025, the USP Football Team secured its first victory in the Sohar Port and Free Zone Ramadan Football Championship organized by the local authorities

Sustainable Development

When in full production capacity, our plant will be able to reduce 40 million metric tons of CO₂ emissions, which is equivalent to the carbon absorbed by 7 billion red pines annually, or reducing the carbon emissions from 15 million cars each year.

40 Mt CO₂
7 Billion Red Pines
15 Million Cars