What is the latest status of the project “Desert Southwest Pipeline Expansion”?

The status recorded for “Desert Southwest Pipeline Expansion” is final investment decision.

What is the budget and commercial profile for the project “Desert Southwest Pipeline Expansion”?

Taiyo normalizes the budget of “Desert Southwest Pipeline Expansion” to USD 5300000000.

Where can I verify the source and access all details for “Desert Southwest Pipeline Expansion”?

This Taiyo project page references Natural Gas Intelligence along with the original URL (https://naturalgasintel.com/news/energy-transfers-53b-pipeline-aims-at-southwest-power-surge-tightens-waha-outlook/). Taiyo standardizes official data into a consistent, searchable project profile.

Desert Southwest Pipeline Expansion

Sector: Power Generation (CCGT) • Location: Arizona, New Mexico, United States

Source: Natural Gas Intelligence

Project

Final Investment Decision

Energy Transfer LP is expanding a portion of its Transwestern Pipeline system with the Desert Southwest project, a 516-mile, 42-inch pipeline aimed at bringing Permian Basin natural gas supplies to Arizona and New Mexico. The project is designed to deliver 1.5 Bcf/d to the region by the end of 2029 and has secured significant long-term commitments from investment-grade customers. The project may b

Status: Prospective
Sector: Power Generation (CCGT), Natural Gas
Location: Arizona, New Mexico, United States of America
Updated: 22 Jul 2026
Source: Natural Gas Intelligence

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Project Information

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The project “Desert Southwest Pipeline Expansion” is an infrastructure initiative in the Power Generation (CCGT) sector, located in Arizona, New Mexico, United States. Taiyo aggregates data on it from Natural Gas Intelligence.

Participants

Not available for this record.

Status

Original status	final investment decision
Taiyo status	Prospective
Taiyo last update	2026-07-22

Contact

Not available for this record.

Description

Description	Energy Transfer LP is expanding a portion of its Transwestern Pipeline system with the Desert Southwest project, a 516-mile, 42-inch pipeline aimed at bringing Permian Basin natural gas supplies to Arizona and New Mexico. The project is designed to deliver 1.5 Bcf/d to the region by the end of 2029 and has secured significant long-term commitments from investment-grade customers. The project may be further expanded after an open season later in the quarter to meet additional demand.
Original sector	Energy
Budget

Location

Country	United States of America (USA)
State	Arizona, New Mexico

Source

Source	Natural Gas Intelligence
URL

More Details

Record type	Project
Sector	Power Generation (CCGT), Natural Gas
Article published date	2025-09-16

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