Energy Transfer’s Transwestern Pipeline Company Announces Binding Open Season for Desert Southwest Expansion Project

September 26, 2025
News in Midstream Gas Processing and Pipelines

DALLAS–(BUSINESS WIRE)–Sep. 26, 2025– Transwestern Pipeline Company Launches Open Season for Desert Southwest Expansion

Transwestern Pipeline Company, LLC (Transwestern), a subsidiary of Energy Transfer LP (NYSE: ET), today announced the launch of a binding open season for an expansion of its system in Texas, New Mexico, and Arizona. The project will transport natural gas from the Permian Basin to markets in the Desert Southwest. The open season begins at 12:00 p.m. CDT on September 26, 2025, and ends at 12:00 p.m. CDT on October 25, 2025.

Project Overview

The Desert Southwest expansion project consists of new large-diameter pipeline, compression, and metering facilities capable of transporting a minimum of 1.5 billion cubic feet per day of natural gas from various receipt points in the Permian Basin to existing and new delivery points in New Mexico and Arizona.

Transwestern has secured sufficient binding commitments to proceed with the project. Additional commitments submitted during this open season will help determine the optimal size and design. Pending necessary regulatory approvals, permits, and authorizations, the project is expected to be completed in the fourth quarter of 2029.

Courtesy of Energy Transfer

Contact Information

For detailed information about the open season, visit Transwestern’s website. Interested parties may contact the following representatives:

  • Steven Hearn: (713) 989-2427
  • Brad Cherry: (713) 989-2420
  • Matt Brill: (713) 989-7942

Email inquiries: dltwbusinessdevelopment@energytransfer.com

About Energy Transfer LP

Energy Transfer LP (NYSE: ET) owns and operates one of the largest and most diversified energy asset portfolios in the U.S., with approximately 140,000 miles of pipeline and associated infrastructure. The network spans 44 states and includes natural gas midstream, transportation, storage, crude oil, NGL and refined product assets, as well as interests in Lake Charles LNG Company, Sunoco LP (NYSE: SUN), and USA Compression Partners, LP (NYSE: USAC). For more information, visit energytransfer.com.

Forward-Looking Statements

This press release may contain forward-looking statements subject to risks, uncertainties, and factors beyond management’s control. Details on these factors are available in Energy Transfer’s filings with the Securities and Exchange Commission. The Partnership assumes no obligation to update forward-looking statements.

Media & Investor Contacts

Media Relations: Vicki Granado, 214-840-5820

Investor Relations: Bill Baerg, Brent Ratliff, Lyndsay Hannah, 214-981-0795

 

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