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). Definition One volt is defined as the electric potential between two point ...
, 600-megawatt
power line An overhead power line is a structure used in electric power transmission and Electric power distribution, distribution to transmit electrical energy along large distances. It consists of one or more electrical conductor, conductors (commonly mu ...
that runs from Southern 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 Neva ...
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 Power is an American independent power company that owns, operates, and develops power generating stations, storage facilities, and transmission lines. Founded in 1990, the company originally focused on developing and selling natural gas power pl ...
) owns 75% of the line. The line runs from the new Robinson Summit
Substation A substation is a part of an electrical Electricity generation, generation, electric power transmission, transmission, and electric power distribution, distribution system. Substations transform voltage from high to low, or the reverse, or pe ...
in Ely to
Apex The apex is the highest point of something. The word may also refer to: Arts and media Fictional entities * Apex (comics) A-Bomb Abomination Absorbing Man Abraxas Abyss Abyss is the name of two characters appearing in Ameri ...
, connecting with the existing NV Energy
Harry Allen Generating Station The Harry Allen Generating Station is a natural gas, natural gas fired Combined cycle power plant, combined cycle power plant located in Clark County, Nevada about north of Las Vegas. Electricity is generated by two GE Frame 7EA combustion turb ...
, 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 (or electricity network) is an interconnected network for electricity delivery from producers to consumers. Electrical grids consist of power stations, electrical substations to step voltage up or down, electric power tran ...
. 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 energy production, the research and development of nuclear power, the military's nuclear we ...
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 2020 Census the county had a population of 24,237. The county seat and largest city is Jerome. The county was created by the Idaho Legislature on February 8, 1919, from a parti ...
. 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

{{Energy resource facilities in Nevada Energy infrastructure in Idaho Energy infrastructure in Nevada Ely, Nevada Energy infrastructure completed in 2013