Sempra subsidiary Sempra Infrastructure has entered into a long-term sales and purchase agreement (SPA) to provide two million tonnes per annum (mtpa) of liquefied natural gas (LNG) from its Port Arthur LNG Phase 2 development project.
This 20-year agreement with EQT will see LNG procured on a free-on-board basis with pricing indexed to the Henry Hub.
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Sempra Infrastructure CEO Justin Bird said: “Advancing the Port Arthur LNG Phase 2 project with EQT reflects our mutual commitment to helping ensure US natural gas projects continue to support local economic development and provide global markets with a stable, long-term supply of LNG.
“This development project can help fortify America’s position as a leading energy exporter, which is a shared goal of EQT and Sempra Infrastructure.”
Sempra Infrastructure’s Port Arthur LNG Phase 2 in Jefferson County, Texas, US, is poised to contribute to energy supply worldwide, having secured all major permits.
The Federal Energy Regulatory Commission approved the project in September 2023, with the US Department of Energy following suit in May 2025, authorising exports to nations without a US free trade agreement.
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By GlobalDataThe recent agreement with EQT complements Sempra Infrastructure’s growing list of commitments, including a 20-year SPA with JERA for 1.5mtpa, signed in July 2025, and an expanded strategic alliance with ConocoPhillips for 4mtpa earlier this month.
Bechtel has been selected by Sempra Infrastructure to handle the engineering, procurement and construction of the Port Arthur LNG Phase 2 facility.
With development of the project gaining momentum, a final investment decision (FID) is expected in 2025.
The Port Arthur LNG Phase 2 project is expected to feature two liquefaction trains with a combined capacity of around 13mtpa.
This expansion would double the facility’s total production capacity to roughly 26mtpa, complementing the 13mtpa expected from Phase 1, which is now under construction and slated for commercial operations in 2027 and 2028 for trains 1 and 2, respectively.
Despite the progress, the Port Arthur LNG Phase 2 development is subject to risks and uncertainties.
These encompass finalising commercial agreements, maintaining required permits, securing financing and reaching an FID.
