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Transwestern Pipeline Desert Southwest Expansion Project

Sector: Power Generation (CCGT) • Location: Phoenix and Tucson, Arizona, United States

Source: Business Wire

Project
Planned

A new natural gas pipeline project by Transwestern Pipeline to transport natural gas from the Permian Basin in West Texas to Arizona, aimed at maintaining year-round regional energy reliability and supporting Arizona's rapid growth and clean energy integration. The project is expected to be completed by late 2029.

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

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The project “Transwestern Pipeline Desert Southwest Expansion Project” is an infrastructure initiative in the Power Generation (CCGT) sector, located in Phoenix and Tucson, Arizona, United States. Taiyo aggregates data on it from Business Wire.

Participants

Sponsoring Agency

Status

Original status

planned

Taiyo status

Prospective

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

A new natural gas pipeline project by Transwestern Pipeline to transport natural gas from the Permian Basin in West Texas to Arizona, aimed at maintaining year-round regional energy reliability and supporting Arizona's rapid growth and clean energy integration. The project is expected to be completed by late 2029.

Original sector

Energy

Location

Country

United States of America (USA)

State

Arizona

City

Phoenix and Tucson

Source

Source

Business Wire

URL

More Details

Record type

Project

Sector

Power Generation (CCGT), Natural Gas, Residential, Government

Article published date

2025-09-16

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