Submarine power cable

Cross section of the submarine power cable used in Wolfe Island Wind Farm.
HVDC connections around Europe
Red=in operation
Green=decided/under construction
Blue=planned

A submarine power cable is a transmission cable for carrying electric power below the surface of the water.[1] These are called "submarine" because they usually carry electric power beneath salt water (arms of the ocean, seas, straits, etc.) but it is also possible to use submarine power cables beneath fresh water (large lakes and rivers). Examples of the latter exist that connect the mainland with large islands in the St. Lawrence River.

  1. ^ Underwater Cable an Alternative to Electrical Towers, Matthew L. Wald, New York Times, 2010-03-16, accessed 2010-03-18.

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