Construction Starts on Last Segment of Major Western U.S. Transmission Project

POWER Magazine · Darrell Proctor · last updated September 3, 2026 – 10:06 AM

Construction of the final segment of the Southwest Intertie Project, a 576-mile transmission corridor connecting an area from Idaho to just south of Las Vegas, Nevada, is underway. Officials celebrated the latest milestone for the installation during a groundbreaking ceremony in Ely, Nevada, on September 3.

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LS Power Southwest Intertie Project

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