One Nevada Transmission Line
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One Nevada (ON Line) is a , 500-
kilovolt The volt (symbol: V) is the unit of electric potential, electric potential difference (voltage), and electromotive force in the International System of Units (SI). It is named after the Italian physicist Alessandro Volta (1745–1827). Defini ...
, 600-megawatt
power line An overhead power line is a structure used in electric power transmission and distribution to transmit electrical energy across large distances. It consists of one or more uninsulated electrical cables (commonly multiples of three for three-p ...
that runs from
Southern Southern may refer to: Businesses * China Southern Airlines, airline based in Guangzhou, China * Southern Airways, defunct US airline * Southern Air, air cargo transportation company based in Norwalk, Connecticut, US * Southern Airways Express, M ...
to Northern Nevada.
NV Energy NV Energy is a public utility which generates, transmits and distributes electric service in northern and southern Nevada, including the Las Vegas Valley, and provides natural gas service in the Reno–Sparks metropolitan area of northern Nevada. ...
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 (a subsidiary of
LS Power LS may refer to: Businesses * LS Group, a Korean company * Jet2.com (IATA code: LS), a British airline Latin * Lewis and Short (abbr. "L&S"), authors of the 1879 work ''A Latin Dictionary'' * Lectori Salutem (L.S.), Latin for 'Greetings Re ...
) owns 75% of the line. The line runs from the new Robinson Summit Substation in
Ely Ely or ELY may refer to: Places Ireland * Éile, a medieval kingdom commonly anglicised Ely * Ely Place, Dublin, a street United Kingdom * Ely, Cambridgeshire, a cathedral city in Cambridgeshire, England ** Ely Cathedral Ely Cathedral, formal ...
to
Apex The apex is the highest point of something. The word may also refer to: Arts and media Fictional entities * Apex (comics), a teenaged super villainess in the Marvel Universe * Ape-X, a super-intelligent ape in the Squadron Supreme universe *Apex ...
, connecting with the existing NV Energy
Harry Allen Generating Station The Harry Allen Generating Station is a natural gas fired combined cycle power plant located in Clark County, Nevada about 30 miles north of Las Vegas. Electricity is generated by two GE Frame 7EA combustion turbines, two GE Frame 7FA+e combustio ...
, and uses tubular guyed-V towers on a single point foundation.


History

Construction on the $510-million (equivalent to $ in ) 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 An electrical grid is an interconnected network for electricity delivery from producers to consumers. Electrical grids vary in size and can cover whole countries or continents. It consists of:Kaplan, S. M. (2009). Smart Grid. Electrical Power ...
. In February 2011, the
U.S. Department of Energy The United States Department of Energy (DOE) is an executive department of the U.S. federal government that oversees U.S. national energy policy and manages the research and development of nuclear power and nuclear weapons in the United States. ...
issued a $343-million (equivalent to $ in ) 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. The line was expected to be energized in 2013. The line was energized in January 2014. The line is part of the larger Southwest Intertie Project Transmission Line (SWIP) project which will extend the line north to
Jerome County, Idaho Jerome County is a county in the U.S. state of Idaho. As of the 2010 Census the county had a population of 22,374. The county seat and largest city is Jerome. The county was created by the Idaho Legislature on February 8, 1919, by a partition o ...
. The extension will create a line. The extension's backers received a $331 million Department of Energy loan in April 2024 to get construction started.


References

{{coord missing, Idaho Energy infrastructure in Idaho Energy infrastructure in Nevada Ely, Nevada Energy infrastructure completed in 2013