Climate

How the biggest renewable energy project in US history finally got built

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 01/11/2026, 14:00:23 UTC.

Briefings

The SunZia Wind and Transmission project, the largest renewable energy facility in U.S. history, finally completed in 2026 after a 20-year construction saga. Located in central New Mexico, it features over 900 turbines, each 150 feet tall, connected via a 550-mile transmission line to California. The project generates more electricity than the Hoover Dam and prevents approximately 9 million metric tons of CO2 annually. It was built across five presidential administrations, overcoming significant permitting delays, tribal land disputes, and military base opposition, ultimately powering over 1 million homes.

Key points

• The SunZia Wind and Transmission project is the largest renewable energy facility in U.S. history, featuring over 900 turbines each 150 feet tall.
• The project successfully connected to a 550-mile transmission line, powering over 1 million homes in California despite initial state-level rejection.

Context

The SunZia Wind and Transmission project represents a major milestone in American infrastructure, generating more electricity than the Hoover Dam. It was built across five presidential administrations, overcoming significant permitting delays, tribal land disputes, and military base opposition. The project is a key example of permitting reform efforts, with its completion signaling a shift toward more collaborative megaprojects in the U.S. energy sector.

Limitations

Evidence covers the project's completion and operational impact but lacks details on specific construction timelines, exact financial costs, or long-term operational efficiency metrics.

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