plastics project postponed

ExxonMobil postpones $10B plastics manufacturing plant

ExxonMobil says it will "slow the pace" of development of its $10 billion plastics manufacturing plant. Photo via Getty Images.

Spring-based ExxonMobil is postponing development of a $10 billion plastics manufacturing plant along the Gulf Coast. Construction on the plant, to be located near Port Lavaca, was supposed to begin next year.

“Based on current market conditions, we are going to slow the pace of our development for the Coastal Plain Venture,” ExxonMobil confirmed in an emailed statement. “We’re confident in our growth strategy, and we remain interested in a potential project along the U.S. Gulf Coast and in other regions around the world. We’re maintaining good relationships with community leaders and contractors, so we are ready to reevaluate the project’s status when market conditions improve.”

According to Independent Commodity Intelligence Services, the Coastal Plain project was preliminary, and ExxonMobil had not yet announced its decision about building a plant for polyethylene production. Polyethylene, the world’s most common plastic, is used in a variety of products, such as bags, bottles, food containers, automotive components, medical tubes, IV bags, children’s toys and cutting boards.

The Coastal Plain postponement follows a judge’s ruling in August that invalidated a decision by Calhoun County ISD board members to negotiate tax breaks with ExxonMobil, according to Inside Climate News. The judge made the ruling in a case filed by environmental activist Diane Wilson and her nonprofit group, San Antonio Bay Estuarine Waterkeeper.

Wilson told Inside Climate News that she thought public opposition played a part in ExxonMobil postponing the Coastal Plain project.

“I think if everybody had just rolled over for them, if they got exactly what they wanted (tax breaks) and there wasn’t a big fight, there would be no delay,” Wilson said.

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A View From HETI

The company has announced two new Houston-area facilities in the last month. Photo courtesy SEG Solar

SEG Solar has announced plans to open a new 1.15 million-square-foot solar module facility in Tomball—its third in the Houston area.

The news comes just weeks after the Houston-based solar manufacturer announced its second facility, which will be located in Cypress. It’s expected to open in August.

The latest 4.6-gigawatt facility in Tomball will include an assembly factory and a warehouse. Construction is slated to wrap in March 2027, with commercial panel production planned to begin in May 2027. Once completed, the facility will bring SEG’s annual U.S. module manufacturing capacity to 10.6 gigawatts, according to a news release from the company, one of the largest totals in the country.

The facility will produce heterojunction technology (HJT) modules, which the company says will add to the number of n-type solar panels made in the U.S. HJT modules are known to be more durable and are well suited for hotter climates.

“Designed to support next-generation HJT technology and FEOC-compliant production, the facility ensures reliable, high-efficiency solar solutions,” Raymond Bailey, sales manager at SEG Solar, said in a LinkedIn post. “ Alongside upstream integration in Indonesia and potential U.S. cell manufacturing, we are strengthening supply chain resilience amid evolving trade policies.”

SEG opened its $60 million, 250,000-square-foot facility in Houston in 2024 to house its production workshops, raw material warehouses, administrative offices, finished goods warehouses, and supporting infrastructure. The continued expansion is part of SEG’s long-term goal of becoming one of the largest 100 percent U.S.-owned module manufacturers.

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