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SunZia Transmission Line Project

Sector: Power Generation (CCGT) • Location: Southern California, New Mexico, California, United States

Source: Grist

Project
Under Construction

SunZia is a 550-mile transmission line project that carries electricity from a wind farm in New Mexico to Southern California cities. It is the largest wind project in the United States, costing $11 billion, and was supported by wind tax credits. The project faced multiple state regulatory approvals, rerouting to avoid sensitive areas, and lawsuits from tribal nations.

Status
Under Construction
Sector
Power Generation (CCGT), Wind, Raw Materials
Location
Southern California, New Mexico, California, United States of America
Updated
22 Jul 2026
Source
Grist

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Project Information

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The project “SunZia Transmission Line Project” is an infrastructure initiative in the Power Generation (CCGT) sector, located in Southern California, New Mexico, California, United States. Taiyo aggregates data on it from Grist.

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

SunZia is a 550-mile transmission line project that carries electricity from a wind farm in New Mexico to Southern California cities. It is the largest wind project in the United States, costing $11 billion, and was supported by wind tax credits. The project faced multiple state regulatory approvals, rerouting to avoid sensitive areas, and lawsuits from tribal nations.

Original sector

Energy

Budget

Location

Country

United States of America (USA)

State

New Mexico, California

City

Southern California

Source

Source

Grist

URL

More Details

Record type

Project

Sector

Power Generation (CCGT), Wind, Raw Materials

Article published date

2026-07-20

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