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Southline Transmission Project

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

Source: KGUN 9

Project
Planned

The Southline Transmission Project is a 280-mile electrical transmission connection between the El Paso and Tucson areas in southern Arizona. It involves upgrading 60 miles of existing transmission lines from Vail to Willcox and constructing new lines in parts of Cochise County to meet growing energy demands and improve grid reliability.

Status
Prospective
Sector
Power Generation (CCGT)
Location
Benson, Arizona, United States of America
Updated
22 Jul 2026
Source
KGUN 9

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Project Information FAQ

Project Information

3 Q
The project “Southline Transmission Project” is an infrastructure initiative in the Power Generation (CCGT) sector, located in Benson, Arizona, United States. Taiyo aggregates data on it from KGUN 9.

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

The Southline Transmission Project is a 280-mile electrical transmission connection between the El Paso and Tucson areas in southern Arizona. It involves upgrading 60 miles of existing transmission lines from Vail to Willcox and constructing new lines in parts of Cochise County to meet growing energy demands and improve grid reliability.

Original sector

Energy

Location

Country

United States of America (USA)

State

Arizona

City

Benson

Source

Source

KGUN 9

URL

More Details

Record type

Project

Sector

Power Generation (CCGT)

Article published date

2025-12-11

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