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Transwestern Pipeline’s Desert Southwest Expansion

Sector: Power Transmission • Location: Tempe, Arizona, Texas, New Mexico, United States

Source: AZFamily

Project
Under Construction

The Transwestern Pipeline’s Desert Southwest Expansion project is a new natural gas pipeline being built in Texas to bring additional natural gas from the Permian Basin in western Texas into the Arizona market. It will benefit major utility companies including Arizona Public Service, Salt River Project, Tucson Electric Power, and Unisource Energy Services, helping to fuel existing natural gas plan

Status
Under Construction
Sector
Power Transmission, Power Generation (CCGT), Natural Gas
Location
Tempe, Arizona, Texas, New Mexico, United States of America
Updated
22 Jul 2026
Source
AZFamily

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Project Information

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The project “Transwestern Pipeline’s Desert Southwest Expansion” is an infrastructure initiative in the Power Transmission sector, located in Tempe, Arizona, Texas, New Mexico, United States. Taiyo aggregates data on it from AZFamily.

Participants

Not available for this record.

Status

Original status

under construction

Taiyo status

Under Construction

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

The Transwestern Pipeline’s Desert Southwest Expansion project is a new natural gas pipeline being built in Texas to bring additional natural gas from the Permian Basin in western Texas into the Arizona market. It will benefit major utility companies including Arizona Public Service, Salt River Project, Tucson Electric Power, and Unisource Energy Services, helping to fuel existing natural gas plants and meet growing energy demands in Arizona.

Original sector

Energy

Location

Country

United States of America (USA)

State

Arizona, Texas, New Mexico

City

Tempe

Source

Source

AZFamily

URL

More Details

Record type

Project

Sector

Power Transmission, Power Generation (CCGT), Natural Gas

Article published date

2025-09-16

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