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

The status recorded for “Desert Southwest Pipeline Expansion” is planned.

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 East Daley along with the original URL (https://eastdaley.com/daley-note/et-considers-upsizing-desert-southwest-after-strong-open-season). Taiyo standardizes official data into a consistent, searchable project profile.

Desert Southwest Pipeline Expansion

Sector: Natural Gas • Location: Texas, New Mexico, Arizona, United States

Source: East Daley

Project

Planned

Energy Transfer (ET) is expanding its Desert Southwest pipeline by adding 516 miles of 42-inch pipe with an initial capacity of 1.5 Bcf/d, with potential for further expansion. The project includes building a new lateral, upgrading Transwestern's existing Phoenix lateral, modifying an existing compressor, and constructing two new compressor stations to allow bidirectional gas flow. The expansion a

Status: Prospective
Sector: Natural Gas, Commercial
Location: Texas, New Mexico, Arizona, United States of America
Updated: 22 Jul 2026
Source: East Daley

ConstructChat

Ask ConstructChat about Desert Southwest Pipeline Expansion

Pick a question to edit it, or write your own.

First answer free · no account

I am a

Project Information

4 Q

The project “Desert Southwest Pipeline Expansion” is an infrastructure initiative in the Natural Gas sector, located in Texas, New Mexico, Arizona, United States. Taiyo aggregates data on it from East Daley.

Participants

Not available for this record.

Status

Original status	planned
Taiyo status	Prospective
Taiyo last update	2026-07-22

Contact

Not available for this record.

Description

Description	Energy Transfer (ET) is expanding its Desert Southwest pipeline by adding 516 miles of 42-inch pipe with an initial capacity of 1.5 Bcf/d, with potential for further expansion. The project includes building a new lateral, upgrading Transwestern's existing Phoenix lateral, modifying an existing compressor, and constructing two new compressor stations to allow bidirectional gas flow. The expansion aims to meet strong gas demand in the Southwest from utilities and data centers.
Original sector	Energy
Budget

Location

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

Source

Source	East Daley
URL

More Details

Record type	Project
Sector	Natural Gas, Commercial
Article published date	2025-11-21

Research

Free account

View all details

You are reading the public part. A free account opens the rest:

Every detail on this project
News and media coverage
Technical research

View all details

Free account · no card · lands you back on this project

Desert Southwest Pipeline Expansion

Ask ConstructChat about Desert Southwest Pipeline Expansion

Project Information FAQ

Project Information

Research

View all details

More Natural Gas projects in United States