ARM Energy Holdings, LLC, and Pacific Investment Management Company have announced a final investment decision on the USD 2.3 billion Mustang Express Pipeline project. The 236-mile, 42-inch pipeline will connect major natural gas hubs in Texas to LNG demand corridors and is expected to be completed in late 2028 or early 2029.

Project Structure and Capacity

The Mustang Express Pipeline will consist of multiple segments with a total capacity of 2.5 billion cubic feet per day. The Cougar Lateral will span 55 miles from the Tres Palacios Storage to the Katy Hub in Katy, Texas. The Mustang Mainline will extend 178 miles from the Katy Hub to Port Arthur, Texas. Additionally, the Golden Triangle/Spindletop Storage Lateral will cover three miles around Port Arthur, Texas.

The pipeline system will cross four storage facilities and feature three planned compressor stations with gas-driven turbines, totaling a capacity of 300,000 horsepower. Solar Turbines Inc. will provide the turbines for the compressor stations, while Jindal Tubular USA will supply the mill capacity for the required steel.

Financial Partnership and Investment

ARM Energy will construct and operate the pipeline alongside its financial partners, PIMCO, and associated co-investors. The project has secured an anchor shipper commitment from Sempra Infrastructure to provide natural gas for its Port Arthur LNG Phase 2 project, which recently achieved final investment decision status. Adam Gubner, Managing Director and Portfolio Manager at PIMCO, stated that the investment reflects the company's commitment to support LNG expansion in the United States while providing long-term investment opportunities for clients seeking attractive risk-adjusted returns.

Strategic Significance and Market Access

The pipeline will link two of the most prolific natural gas-producing regions in the United States directly to LNG export facilities in Texas. Zach Lee, Chief Executive Officer of ARM Energy, described the development as a major milestone in the company's growth and emphasized the partnership with quality, large-scale customers like Sempra Infrastructure. Lee noted that the highly interconnected pipeline will significantly enhance the efficiency of the U.S. natural gas supply chain and help ensure a reliable supply of natural gas for liquefaction and export.

The project is designed to deliver positive impacts for global energy needs and Texas communities.

Market Opportunities and Timeline

ARM Energy has secured all required steel and compression necessary for the project. The company plans to conduct an open season for the remaining pipeline capacity on the Mustang Express Pipeline, scheduled to commence later this month. The pipeline announcement was made on October 9, 2025, with construction expected to conclude in late 2028 or early 2029.

ARM Energy Holdings is headquartered in Houston with offices in Calgary, Denver, Los Angeles, and Nashville, operating as a premier infrastructure and energy marketing and trading firm active across major North American oil and gas basins and key supply centers.

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