Southeast Texas LNG expansion plan gets go-ahead

By Carlos Anchondo | 09/24/2025 06:56 AM EDT

Sempra Infrastructure’s Port Arthur project will proceed as the Trump administration pushes for more liquefied natural gas exports.

A rendering of the planned Port Arthur liquefied natural gas project in Texas.

A rendering of the planned Port Arthur liquefied natural gas project in Texas. Sempra Infrastructure

Developers gave a green light Tuesday to a second phase of the Port Arthur liquefied natural gas export project in southeast Texas — an expansion that would double the facility’s planned production capacity.

Sempra Infrastructure’s final investment decision came two and a half years after the project’s first phase received a similar go-ahead. Once both phases are in place, the total liquefaction capacity at the Port Arthur facility would be 26 million metric tons of LNG per year.

Jeffrey Martin, the CEO of California-based Sempra, told analysts and investors on a conference call Tuesday that the company is excited about Port Arthur’s next phase. Sempra currently has a majority stake in Sempra Infrastructure, though it announced plans to slash its equity interest as the Port Arthur project advances.

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“Taking phase two actually opens up further opportunities to develop that project, and I think we’ve taken a strong approach to how we’ve contracted that facility,” Martin said.

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