NorNed
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NorNed is a 580-kilometre long high-voltage direct current submarine power cable between Feda in Norway and the seaport of Eemshaven in the Netherlands, which interconnects both countries' electrical grids. It was once the longest submarine power... Wikipedia
Commissioned: 2008
Construction started: 2006
Coordinates: 53°26′4″N 6°51′57″E / 53.43444°N 6.86583°E; 58°16′58″N 6°51′55″E / 58.28278°N 6.86528°E
DC voltage: ±450 kV
No. of poles: 1