Marcy South is a 2 circuit

high voltage High voltage electricity refers to electrical potential large enough to cause injury or damage. In certain industries, ''high voltage'' refers to voltage above a certain threshold. Equipment and conductors that carry high voltage warrant spec ...

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 ...

in the U.S. State of

New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...

. Each circuit is 345,000 volts, the one circuit runs from

Fraser Substation Fraser may refer to: Places Antarctica * Fraser Point, South Orkney Islands Australia * Fraser, Australian Capital Territory, a suburb in the Canberra district of Belconnen * Division of Fraser (Australian Capital Territory), a former federal ele ...

in Delaware County to

Marcy Substation Marcy or Marcie may refer to: People Surname *Alfred Marcy (1900–1977), U.S. Army colonel * Elizabeth Eunice Marcy (1821–1911), American author, activist, and social reformer; wife of Oliver March * Florent Marcie, French documentary filmmake ...

in Oneida County and the other circuit runs from

Coopers Corners Substation Cooper, Cooper's, Coopers and similar may refer to: * Cooper (profession), a maker of wooden casks and other staved vessels Arts and entertainment * Cooper (producers), alias of Dutch producers Klubbheads * Cooper (video game character), in ...

to the Marcy Substation. It was constructed amid heavy controversy in the late 1980s by the

New York Power Authority The New York Power Authority (NYPA), officially the Power Authority of the State of New York, is a New York State public-benefit corporation. It is the largest state public power utility in the United States. NYPA provides some of the lowest-co ...

History

The

Power Authority of the State of New York The New York Power Authority (NYPA), officially the Power Authority of the State of New York, is a New York State public-benefit corporation. It is the largest state public power utility in the United States. NYPA provides some of the lowest-co ...

announced plans to deliver hydroelectric power from Canada to the New York City region in 1982. It became fully operational on June 1, 1988.

Controversy

The power line met with vigorous and sometimes highly contentious and violent opposition from local property owners from its proposition to its planning and surveying, and even its construction.

Power grid improvement

The ''Marcy South Series Compensation Project'' began in 2016 and involved the installation of three series capacitor banks. The capacitor banks were installed to raise the voltage and keep it constant, which enhances transmission efficiency. Two capacitor banks were installed by

, the other installed by

NYSEG New York State Electric and Gas (NYSEG) is an electric and gas utility company owned by Avangrid that serves customers in New York. NYSEG was incorporated in 1852 as the Ithaca Gas Light Company. Throughout the end of the 19th century and the ea ...

at the Fraser Substation.

Future plans

Since its construction, other projects including a high-voltage DC line have been proposed for the same route.

References

New York City infrastructure {{powerline-stub