NV Energy, partners dedicate 231-mile Nevada transmission line

NV Energy and Great Basin Transmission South officially dedicated the 231-mile long One Nevada Transmission Line (ON Line) January 23, marking the completion of a three-year project that electrically connects NV Energy’s northern and southern service areas for the first time. ON Line also enables the development of renewable energy in remote parts of Nevada.

The bulk transmission line is energized to 500,000 volts and has an initial capacity of up to 800 MW.

The line runs from the Harry Allen Generating Station north of Las Vegas to the new Robinson Summit Substation located just west of Ely, Nev. Eleven separate renewable energy projects are now being served by the new line, which also enhances the overall energy-sharing efficiencies of NV Energy’s 10 generating stations located throughout Nevada.

Michael Yackira, NV Energy CEO, said, “The One Nevada Transmission Line plays a vital role in the development of renewable energy that will benefit our customers. This project also helps to strengthen our reliability, as well as provide important dispatch capabilities that will help our customers save on energy.”

Paul Caudill, NV Energy president, said, “The development of this important transmission asset is an indicator of NV Energy’s desire to find new and better ways to serve our customers, while preserving the environment and natural habitat that make Nevada such a special place.”

Nevada Senator Harry Reid said, “Construction of this transmission line created hundreds of jobs for Nevadans, thanks to the public-private partnership that was made possible by the Recovery Act. This vital project will deliver hundreds of MW of clean renewable energy to the grid. Completion of the ON Line transmission project is an important step towards unlocking Nevada’s vast clean energy potential and strengthening our state’s electric grid for the future.”

Great Basin Transmission South, an affiliate of LS Power, owns 75 percent of the line, and NV Energy owns 25 percent of an undivided ownership interest in the project. NV Energy has rights to 100 percent of the line’s initial capacity until LS Power completes other potential project phases, collectively known as the Southwest Intertie Project (SWIP).

The U.S. Department of Energy (DOE) provided a $343 million loan guarantee to Great Basin Transmission South to help finance the project. This is the first and only large scale transmission project in the portfolio managed by DOE’s Loan Programs Office.

Sturgeon Electric Co., a MYR Group unit, provided construction services for the transmission line, and Wilson Utility Construction Co. built the new substation in White Pine County, Nev.

The project also includes a new four-mile-long intertie line that connects the new line and substation to NV Energy’s northern service territory.

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