In February 2011, the Department of Energy issued a $343 million loan guarantee to finance the One Nevada Transmission Line (ON Line) project, a 235-mile, 500 kV AC transmission line capable of carrying 600 MW of power to the grid running north-south between Ely and greater Las Vegas, Nevada. The project also includes the new Robinson Summit Substation, interconnection to the Harry Allen Substation, expansion of the Falcon-Gonder Substation, and new telecommunication facilities. The project started commercial operations in January 2014.

One Nevada Line utilizes tubular guyed-V transmission towers, which have a much smaller footprint than most traditional transmission towers and, therefore, have less of an environmental impact. In addition, the innovative three-piece design leads to easy and cost-effective construction.

One Nevada Line created 400 construction jobs and is expected to support 15 permanent jobs. Approximately 90 percent of total project costs were sourced from within the United States, including equipment and labor.

One Nevada Line is part of the transmission backbone that will bring growing wind and solar power generation in Wyoming, Idaho, and Nevada to California and other major-load areas. One Nevada Line also integrates northern and southern Nevada, which is critical to ensure the reliability and integrity of the Western grid for decades to come.