Port Arthur LNG

Powering the World, Strengthening Communities

Delivering U.S. LNG 
to global markets

Port Arthur LNG, located on the Gulf Coast in Jefferson County, Texas, is set to become one of North America’s leading LNG export hubs that will deliver U.S. natural gas to world markets and reinforce America’s energy leadership. This $25 billion investment in American energy infrastructure will strengthen global energy security, create thousands of jobs, support small businesses and drive long-term growth for Southeast Texas communities.

Who We Are

About the Project

Port Arthur LNG demonstrates how U.S. energy can drive global progress while supporting a stronger future at home. Port Arthur LNG Phases 1 and 2 are currently under construction and once complete will deliver a facility with four natural gas liquefaction trains, three LNG storage tanks, two marine berths and associated infrastructure, providing an export capacity of approximately 26 million tonnes per annum (Mtpa).

Project Details
About the Project
Investing in Our Community

Investing in Our Community

We're passionate about strengthening the communities where we operate—building resilience, expanding opportunity and helping people thrive. Through 2030, we anticipate contributing approximately $20 million in social investments to support long-term community growth.

Community

Work With Us


A career at Sempra Infrastructure offers the chance to make a meaningful impact. You’ll help advance the future of energy, collaborate with skilled colleagues and support the communities we operate in. We don’t just develop careers—we shape the energy landscape. Every role contributes to global progress, local prosperity and an energy future we’re proud to build together. It’s why we’re a company people are proud to work for.

Job Openings

News and Insights

Sempra Infrastructure Announces In-Service of Port Arthur Pipeline Louisiana Connector

Jun 09 2026
HOUSTON, June 9, 2026 – Sempra Infrastructure, a subsidiary of Sempra (NYSE: SRE), today announced that...
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Sempra Infrastructure Advances Port Arthur LNG Phase 2, Strengthening U.S. Global Energy Leadership

Sep 24 2025
Liquefied natural gas (LNG) has become a cornerstone of global energy security, offering nations...
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Sempra Announces Strategic Transactions Advancing Goal of Building Leading U.S. Utility Growth Business

Sep 23 2025
Agreement to Sell 45% of Sempra Infrastructure Partners for $10 billion in cash Accretive...
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