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Transwestern Pipeline Desert Southwest Expansion Project

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

Source: Business Wire

Project
Planned

Energy Transfer announced an increase in the transportation capacity of Transwestern Pipeline’s planned Desert Southwest expansion project to meet additional customer demand. The project involves upsizing the mainline pipeline diameter from 42 inches to 48 inches, increasing capacity to up to 2.3 billion cubic feet per day, depending on final compression configuration. The project aims to serve th

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

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Project Information

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

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 announced an increase in the transportation capacity of Transwestern Pipeline’s planned Desert Southwest expansion project to meet additional customer demand. The project involves upsizing the mainline pipeline diameter from 42 inches to 48 inches, increasing capacity to up to 2.3 billion cubic feet per day, depending on final compression configuration. The project aims to serve the growing energy demand in Arizona and New Mexico, including potential retirement or conversion of coal-fired power plants to natural gas.

Original sector

Energy

Budget

Location

Country

United States of America (USA)

State

Arizona, New Mexico

Source

Source

Business Wire

URL

More Details

Record type

Project

Sector

Natural Gas, Residential, Power Generation (CCGT)

Article published date

2025-12-21

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