One Nevada (ON Line) is a 235-mile (378 km), 500-kilovolt, 600-megawatt power line that runs from Southern to Northern Nevada. NV Energy owns 25% of the transmission line and operates and offers the line's capacity under the terms of NV Energy's Open Access Transmission Tariff. Great Basin Transmission South owns 75% of the line.[1][2] The line runs from the new Robinson Summit Substation in Ely to Apex, connecting with the existing NV Energy Harry Allen Generating Station,[2][3][4] and uses tubular guyed-V towers on a single point foundation.[5]

History

Construction on the $510-million (equivalent to $672 million in 2022[6]) line began in 2010. The line provides a way to connect renewable energy projects along the eastern edge of Nevada with the existing electrical grid.[7]

In February 2011, the U.S. Department of Energy issued a $343-million (equivalent to $442 million in 2022[6]) loan guarantee to finance the project. 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.[8] The line was expected to be energized in 2013.[9] The line was energized in January 2014.[3]

The line may be part of the larger Southwest Intertie Project Transmission Line (SWIP) project which would extend the line north to Jerome County, Idaho. The extension would create a 501-mile-long (806 km) line.[10]

References

  1. ↑ Robison, Jennifer (October 19, 2010). "Groundbreaking celebrates One Nevada transmission line". Las Vegas Review-Journal. Retrieved November 17, 2012.
  2. 1 2 Robison, Jennifer (May 12, 2011). "NV Energy seeks permit to build more transmission lines". Las Vegas Review-Journal. Retrieved November 17, 2012.
  3. 1 2 "One Nevada Transmission Line Begins Serving". NV Energy. January 2014. Retrieved January 23, 2014.
  4. ↑ NV Energy’s Renewable Energy Sources (PDF) (Map). 2015.
  5. ↑ "One Nevada Line". United States Department of Energy. March 2015. Retrieved June 14, 2017.
  6. 1 2 Johnston, Louis; Williamson, Samuel H. (2023). "What Was the U.S. GDP Then?". MeasuringWorth. Retrieved November 30, 2023. United States Gross Domestic Product deflator figures follow the Measuring Worth series.
  7. ↑ Robison, Jennifer (June 9, 2010). "Consumer advocates seek to downsize NV Energy ONline". The Ely Times.
  8. ↑ Loan Programs Office. "One Nevada Line". United States Department of Energy. Retrieved February 2, 2021.
  9. ↑ Mitchell, Thomas (April 13, 2012). "Transmission line twisting in the wind". The Ely Times. Retrieved November 17, 2012.
  10. ↑ "Southwest Intertie Project (SWIP) Transmission Line". WildNevada.org. Retrieved November 17, 2012.

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