SEG Solar has signed a land agreement for a planned $950 million, 4-gigawatt (GW) heterojunction (HJT) solar cell facility at its Tomball Industrial Campus in the greater Houston, Texas area.
The plant is expected to create more than 700 local jobs and would come online in two 2-GW phases, targeted for 2028 and 2029.
The cell plant would sit next to SEG’s existing 4-GW Tomball #1 module factory and its 4.6-GW Tomball #2 module factory, which is under construction.
Once built, the campus would make HJT cells, modules, and key components at one site, with warehousing, an R&D center, a certified testing lab, and planned EVA and junction box production lines. SEG says that would make it one of the only U.S. locations producing all of those items together.
SEG says modules built with its U.S.-made cells would help developers and asset owners meet domestic content requirements and give them a dependable source of U.S.-manufactured supply.
“Bringing HJT cell manufacturing to the U.S. will give customers a more domestic supply chain with clearer sourcing and a single company standing behind the product,” said Jim Wood, chief executive officer of SEG Solar, in a statement.
He continued, “As the only U.S. company dedicated to integrated domestic vertical manufacturing, SEG will continue to strengthen our U.S. operations and innovation. American-made cells, American-made modules, one company accountable.”
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