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The Y-49 Cable (also known as the Long Island Sound Cable) is an undersea and underground high voltage electric transmission cable between Westchester County and Long Island via the Long Island Sound and Hempstead Harbor in New York, United States. It is operated by the New York Power Authority.
The Holbrook Superconductor Project is the world's first production superconducting transmission power cable. [1] The lines were commissioned in 2008. [2] The suburban Long Island electrical substation is fed by a 600 meter long tunnel containing approximately 155,000 meters of high-temperature superconductor wire manufactured by American Superconductor, installed underground and chilled to ...
The Long Island Power Authority is the owner of the system and holder of its debt. On July 29, 2013 the state legislature passed a law implementing Governor Cuomo's plan. On January 1, 2014 PSEG rebranded the LIPA system "PSEG Long Island", effectively removing the LIPA name from the public eye.
Ravenswood is located in Long Island City in Queens, New York, across from Roosevelt Island. The site is connected to the New York City electrical system through the 138 kV Vernon substation and the 345 kV Rainey substation. [12] It is capable of producing 2,480 MW of electric power. [1]
The electric core is a concentric assembly of inner conductor, electric insulation, and protective layers (resembling the design of a coaxial cable). [5] Modern three-core cables (e.g. for the connection of offshore wind turbines ) often carry optical fibers for data transmission or temperature measurement, in addition to the electrical conductors.
The Northport Electric Light Company was established in 1893, and its original plant began operating in 1895 at the waterfront near the foot of Main Street. In 1911, the power plant and three others across Long Island were consolidated into the new Long Island Lighting Company (LILCO). A new 500 kW turbine was installed at the power station ...
The land was valuable, and the New York Central opted to purchase steam from the New York Steam Corporation rather than continue producing it. The decision eliminated the need for the steam plant in the M42 basement, allowing it to become a new electrical substation. [17] The Waldorf Astoria building opened on the 50th Street Plant's site in ...
They connect to a new onshore substation in the Village of Island Park (Town of Hempstead), where the voltage is stepped up to 345 kV. [32] From the Island Park substation, up to three 345 kV cable circuits run about 1.7 mi (2.8 km) to the POI at the E.F. Barrett Power Station (Oceanside), part of the Long Island Power Authority (LIPA) grid. [32]