Solar Power World
By Kelly Pickerel | May 7, 2026
Texas-based solar panel manufacturer SEG Solar plans to open a new 4-GW module assembly factory in Houston. The new factory will join SEG’s existing 2-GW panel factory to bring the company’s total annual U.S. module production capacity to 6 GW.
Credit: SEG Solar
SEG is investing $200 million into the new 500,000-ft² that should begin module production in Q3 2026. The site should support 800 new jobs.
“This new facility marks an important milestone for SEG,” said Timothy Johnson, VP of Operations of SEG Solar. “It will further strengthen our U.S. manufacturing capabilities while supporting ongoing technology innovation. The plant is designed with the flexibility to integrate next-generation technologies, including HJT, as the industry evolves.”
SEG is also developing a 5-GW ingot and wafer manufacturing facility in Indonesia, with construction expected to begin this quarter. The company already has a cell manufacturing plant in Indonesia.
Kelly Pickerel has more than 15 years of experience reporting on the U.S. solar industry and is currently editor in chief of Solar Power World. Email Kelly.

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