An illustration of the Port Arthur LNG export project in Jefferson County. Credit: Sempra Infrastructure.

Sempra’s subsidiary Sempra Infrastructure has secured regulatory approval for the Phase 2 expansion of the Port Arthur LNG project in the US.

The approval from the US Federal Energy Regulatory Commission (FERC) authorises the Port Arthur LNG Phase 2 expansion project under development at Port Arthur LNG in Jefferson County, Texas.

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The Phase 2 project involves the addition of two liquefaction trains (trains 3 and 4) at the Port Arthur LNG project. These trains will have a combined liquefied natural gas (LNG) production capacity of up to 13 million tonnes per annum (mtpa).

It will also involve development of an additional LNG storage tank and marine berth.

Currently in the construction phase, the Port Arthur LNG Phase 1 project will have two natural gas liquefaction trains, two LNG storage tanks and associated facilities.

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The proposed Phase 2 project is expected to increase the facility’s total liquefaction capacity from approximately 13mtpa to around 26mtpa.

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Sempra Infrastructure CEO Justin Bird said: “Today’s FERC order is a significant step in our ability to advance the global energy transition, creating an opportunity to double the amount of secure and reliable US natural gas that Port Arthur LNG can help deliver to global markets.”

In a press statement, the company said: “Sempra Infrastructure continues to evaluate opportunities to develop the entirety of the Port Arthur site while also exploring potential projects to reduce the carbon intensity of its LNG, positioning Port Arthur as a flagship hub for the energy transition.”

To help serve the Port Arthur LNG facility, the company is planning to develop the proposed Port Arthur Pipeline Texas Connector project, the Post Arthur Pipeline Louisiana Connector project and new gas storage facilities.

Recently, Sempra Infrastructure divested a 42% stake in the Port Arthur LNG Phase 1 project to KKR.