US’ first vertically integrated solar factory starts production to power 1.3M homes – Interesting Engineering

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Qcells launches solar cell production in Georgia, advancing the US’ first fully integrated solar factory.
Qcells has begun manufacturing solar cells at its new facility in Cartersville, Georgia, bringing the company closer to operating what it says is the United States’ first and only fully vertically integrated solar manufacturing factory.
The company announced that the plant is now producing solar cells and expects all production lines to reach full capacity by the third quarter of 2026. Once fully operational, the facility will manufacture ingots, wafers, cells, and solar modules under one roof.
The start of cell production marks a significant milestone for domestic solar manufacturing, as most solar panels installed in the US still rely on imported components. Qcells said the Cartersville site will become the largest operating solar cell factory in US history.
Module assembly operations at the facility are already running at full capacity, producing about 16,700 solar panels every day.
When fully ramped up, the Cartersville factory will produce 3.3 gigawatts (GW) of annual capacity each for ingots, wafers, and cells, along with 3.5 GW of solar modules.
Combined with Qcells’ expanded manufacturing facility in Dalton, Georgia, the company’s total US module production capacity is expected to reach 8.6 GW annually by the end of the third quarter. According to the company, that output is enough to generate the equivalent annual electricity needs of roughly 1.3 million American homes.
“Producing the first solar cells at Cartersville is a milestone for Qcells and for American manufacturing,” said Andy Park, Global CEO of Qcells.
The company said producing key solar components domestically could provide customers with greater certainty around supply availability, pricing, and potential tariff-related disruptions.
Qcells said the Cartersville operation could also help project developers qualify for the federal Domestic Content Bonus tied to the Investment Tax Credit. Because major solar module components are produced in the US, developers may find it easier to meet domestic sourcing requirements.
The company added that its vertically integrated manufacturing approach allows it to claim production incentives under Section 45X of the Advanced Manufacturing Production Tax Credit across multiple stages of the solar supply chain, including ingots, wafers, cells, and modules.
The investment is also expected to support thousands of manufacturing jobs in Georgia. Together, the Cartersville and Dalton facilities are projected to employ nearly 4,000 workers, including about 3,800 direct jobs across Bartow and Whitfield counties.
Qcells said the Cartersville factory is the first US facility of its kind built in more than a decade and includes what it describes as the largest ingot and wafer production plant ever constructed in the country.
With over a decade-long career in journalism, Neetika Walter has worked with The Economic Times, ANI, and Hindustan Times, covering politics, business, technology, and the clean energy sector. Passionate about contemporary culture, books, poetry, and storytelling, she brings depth and insight to her writing. When she isn’t chasing stories, she’s likely lost in a book or enjoying the company of her dogs.
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