List of high voltage underground and submarine cables

While underground cables for voltages below 150 kV are very common and can be found in the area of most towns with more than 10,000 inhabitants, the installation of power lines with voltages greater than 150,000 volts is almost always done overhead. However this is not always possible or desired, especially in urban areas, near power plants, or for crossings of some straits or rivers.

The following incomplete list contains AC cables for voltages above 150 kV. For DC underground and submarine cables, see List of HVDC projects and for more details the articles about the corresponding HVDC system ( if available).

Please improve and correct this list

Austria

Facility Length (km) Year of inauguration Voltage Coordinates of endpoints
Vienna/Substation-South - Vienna/Kendlergasse ? 1984 380 kV 48°09′54″N 16°19′52″E / 48.1651015°N 16.3312304°E / 48.1651015; 16.3312304 (Vienna South Substation) ; 48°12′19″N 16°18′40″E / 48.2052778°N 16.3111111°E / 48.2052778; 16.3111111 (Vienna/Kendlergasse substation)
Vienna/Kendlergasse - Simmering ? ? 380 kV 48°12′19″N 16°18′40″E / 48.2052778°N 16.3111111°E / 48.2052778; 16.3111111 (Vienna/Kendlergasse substation) ; 48°10′53″N 16°26′02″E / 48.18138889°N 16.43388889°E / 48.18138889; 16.43388889 (Simmering substation)
Vienna/Substation-North - Vienna/Dr.-Nekowitschstrasse 5,5 2006 380 kV 48°15′27″N 16°23′24″E / 48.2576271°N 16.3900003°E / 48.2576271; 16.3900003 (Vienna North Substation) ; 48°17′49″N 16°23′45″E / 48.2968846°N 16.3958073°E / 48.2968846; 16.3958073 (Vienna/Dr.-Nekowitschstrasse Cable Terminal)
Vienna/Substation-South - Vienna-South Cable Terminal ? ? 380 kV 48°09′54″N 16°19′52″E / 48.1651015°N 16.3312304°E / 48.1651015; 16.3312304 (Vienna South Substation) ; 48°08′11″N 16°20′27″E / 48.1362726°N 16.3406959°E / 48.1362726; 16.3406959 (Vienna-South Cable Terminal)

Czech Republic

Facility Length (km) Year of inauguration Voltage Coordinates of endpoints
Hradec substation, powerline to Etzenricht ? 1993 380 kV 50°20′48″N 13°19′26″E / 50.3466502°N 13.3239334°E / 50.3466502; 13.3239334 (Hradec substation, powerline to Etzenricht, busbar terminal) ; 50°20′42″N 13°19′54″E / 50.3451259°N 13.3317467°E / 50.3451259; 13.3317467 (Hradec substation, powerline to Etzenricht, overhead line terminal)

Denmark

Facility Length (km) Year of inauguration Voltage Coordinates of endpoints
Jutland 14 2003 380 kV
Copenhagen 22 1996 380 kV
Copenhagen 12 1999 380 kV

Denmark/ Sweden

Facility Length (km) Year of inauguration Voltage Coordinates of endpoints
Helsingborg-Helsingor Cable ? ? 380 kV 56°04′59″N 12°30′01″E / 56.0829237°N 12.5002903°E / 56.0829237; 12.5002903 (Helsingor Cable Terminal) ; 56°07′57″N 12°35′44″E / 56.1324759°N 12.5955248°E / 56.1324759; 12.5955248 (Helsingborg Cable Terminal)

Egypt/ Jordania

Facility Length (km) Year of inauguration Voltage Coordinates of endpoints
Red Sea Cable 13.6 1998 400 kV 29°29′11″N 34°52′32″E / 29.486346°N 34.875476°E / 29.486346; 34.875476 (Taba Cable Terminal) ; 29°25′57″N 34°58′38″E / 29.432459°N 34.977121°E / 29.432459; 34.977121 (Aqaba Cable Terminal)

Germany

Facility Length (km) Year of inauguration Voltage Coordinates of endpoints
Berlin/Mitte - Berlin/Stadtautobahn 11,5 1977 380 kV 52°30′12″N 13°22′09″E / 52.503318°N 13.369149°E / 52.503318; 13.369149 (Berlin-Mitte Substation); 52°31′36″N 13°16′52″E / 52.5265745°N 13.2809794°E / 52.5265745; 13.2809794 (Terminal Berlin Stadtautobahn)
Berlin/Reutter - Berlin/Teufelsbruch ? 1993 380 kV 52°34′50″N 13°12′42″E / 52.580675°N 13.211664°E / 52.580675; 13.211664 (Teufelsbruch Substation) ; 52°31′54″N 13°14′56″E / 52.5316655°N 13.2488787°E / 52.5316655; 13.2488787 (Reutter Substation)
Berlin/Mitte - Berlin/Friedrichshain 6,3 1998 380 kV 52°30′12″N 13°22′09″E / 52.503318°N 13.369149°E / 52.503318; 13.369149 (Berlin-Mitte Substation) ; 52°31′20″N 13°27′26″E / 52.522338°N 13.4571147°E / 52.522338; 13.4571147 (Berlin-Friedrichshain Substation)
Berlin/Friedrichshain - Berlin/Marzahn 5,2 2000 380 kV 52°31′20″N 13°27′26″E / 52.522338°N 13.4571147°E / 52.522338; 13.4571147 (Berlin-Friedrichshain Substation); 52°32′08″N 13°31′27″E / 52.5354606°N 13.5240841°E / 52.5354606; 13.5240841 (Berlin-Marzahn Substation)
Kraftwerk Altbach 0,3 ? 380 kV 48°43′09″N 9°22′15″E / 48.719034°N 9.3708819°E / 48.719034; 9.3708819 (Altbach Terminal West); 48°43′08″N 9°22′29″E / 48.7187579°N 9.3745887°E / 48.7187579; 9.3745887 (Altbach Terminal East)
Lübeck/Bargerbück - Lübeck/Siems ? 2004 220 kV 53°54′35″N 10°45′30″E / 53.9098526°N 10.7584369°E / 53.9098526; 10.7584369 (Lübeck-Siems Substation); 53°55′09″N 10°38′27″E / 53.9192888°N 10.6408516°E / 53.9192888; 10.6408516 (Lübeck-Bargerbück Substation)
SITAC Park Undercrossing ? ? 220 kV 52°25′52″N 13°30′23″E / 52.4312041°N 13.506432°E / 52.4312041; 13.506432 (SITAC Park Undercrossing, Terminal West); 52°25′30″N 13°31′24″E / 52.4249222°N 13.5232736°E / 52.4249222; 13.5232736 (SITAC Park Undercrossing, Terminal East)
Neckarwestheim/Nuclear Power Plant, Unit 2 - Neckarwestheim/Traction Current Inverter Station ? 2011 380 kV 49°02′23″N 9°10′37″E / 49.0396403°N 9.1768777°E / 49.0396403; 9.1768777 (Neckarwestheim/Nuclear Power Plant, Unit 2); 49°02′17″N 9°10′47″E / 49.0380227°N 9.179796°E / 49.0380227; 9.179796 (Neckarwestheim/Traction Current Inverter Station)
Paulaner Brewery Cable Tunnel ? 380 kV 48°10′42″N 11°25′51″E / 48.178278°N 11.430928°E / 48.178278; 11.430928 (Paulaner Brewery Cable Tunnel, Terminal West); 48°10′34″N 11°26′03″E / 48.176201°N 11.434142°E / 48.176201; 11.434142 (Paulaner Brewery Cable Tunnel, Terminal East)

Morocco/ Spain

Facility Length (km) Year of inauguration Voltage Coordinates of endpoints
Gibraltar Strait Power Cable ? 1998 380 kV 35°49′52″N 5°36′49″W / 35.8309858°N 5.6137294°W / 35.8309858; -5.6137294 (Morocco Cable Terminal) ; 36°01′56″N 5°36′22″W / 36.032338°N 5.606117°W / 36.032338; -5.606117 (Tarifa Cable Terminal)

Italy

Facility Length (km) Year of inauguration Voltage Coordinates of endpoints
Messina Strait Cable ? 1985 380 kV 38°12′12″N 15°38′16″E / 38.203278°N 15.637908°E / 38.203278; 15.637908 (Villa San Giovanni Cable Terminal) ; 38°13′43″N 15°33′40″E / 38.228642°N 15.561167°E / 38.228642; 15.561167 (Messina Cable Terminal)
Milan Section of Turbigo-Rho line 8.5 2006 380 kV 45°31′46″N 8°58′17″E / 45.529411°N 8.971480°E / 45.529411; 8.971480 (Pogliano Cable Terminal) ; 45°32′38″N 9°03′25″E / 45.543994°N 9.056811°E / 45.543994; 9.056811 (Rho Cable Terminal)

Italy / Malta

Facility Length (km) Year of inauguration Voltage Coordinates of endpoints
Malta–Sicily interconnector 120 2015 220 kV 36°52′51″N 14°40′52″E / 36.880948°N 14.680984°E / 36.880948; 14.680984 (Ragusa Substation) ; 35°56′19″N 14°26′17″E / 35.938611°N 14.438056°E / 35.938611; 14.438056 (Magħtab Substation)

Luxembourg

Facility Length (km) Year of inauguration Voltage Coordinates of endpoints
Bettembourg West Bypass ( Part of 220 kV-line Schifflange-Berchem) ? ? 220 kV 49°30′58″N 6°05′24″E / 49.5160321°N 6.0899609°E / 49.5160321; 6.0899609 (Bettembourg West Bypass, Terminal South) ; 49°31′59″N 6°06′06″E / 49.5331504°N 6.1017358°E / 49.5331504; 6.1017358 (Bettembourg West Bypass, Terminal North)

Netherlands

Facility Length (km) Year of inauguration Voltage Coordinates of endpoints
Rotterdam Rhine waterway crossings 2.1 2005 380 kV

New Zealand

Facility Length (km) Year of inauguration Voltage Coordinates of endpoints
Brownhill–Pakuranga link 11 2012 220 kV 36°58′25″S 174°57′35″E / 36.9736°S 174.9597°E / -36.9736; 174.9597 (Brownhill transition substation) 36°55′34″S 174°54′23″E / 36.9261°S 174.9063°E / -36.9261; 174.9063 (Pakuranga Substation)
Auckland cross-harbour power cable
(Pakuranga–Albany) 		37 2014 220 kV 36°55′34″S 174°54′23″E / 36.9261°S 174.9063°E / -36.9261; 174.9063 (Pakuranga Substation) ; 36°44′22″S 174°41′27″E / 36.7395°S 174.6907°E / -36.7395; 174.6907 (Albany Substation)

Norway

Facility Length (km) Year of inauguration Voltage Coordinates of endpoints
Oslofjorden Cable Crossing 420 kV 59°20′36″N 10°28′45″E / 59.343216°N 10.479079°E / 59.343216; 10.479079 (Oslofjorden Cable, Terminal West) ; 59°21′56″N 10°39′42″E / 59.365444°N 10.661679°E / 59.365444; 10.661679 (Oslofjorden Cable, Terminal East)

Spain

Facility Length (km) Year of inauguration Voltage Coordinates of endpoints
Madrid Barajas Runway Tunnel 13 2003 380 kV 40°33′00″N 3°34′00″W / 40.5498759°N 3.5667454°W / 40.5498759; -3.5667454 (380 kV Cable Terminal) ; 40°27′03″N 3°31′17″W / 40.4509169°N 3.5213866°W / 40.4509169; -3.5213866 (380 kV Cable Terminal)

Switzerland/ Italy

Facility Length (km) Year of inauguration Voltage Coordinates of endpoints
Mendrisio – Cagno Interconnection 8 2008 400 45°48′51″N 8°54′11″E / 45.814059°N 8.903126°E / 45.814059; 8.903126 (Cagno Substation) ; 45°51′53″N 8°58′18″E / 45.864799°N 8.971710°E / 45.864799; 8.971710 (Mendrisio Substation)

United Kingdom

Facility Length (km) Year of inauguration Voltage Coordinates of endpoints
London St. Johns Wood-Elstree 20 2005 400 kV
London West Ham – Hackney 6.3 2008 400 kV
Liverpool Kirkby-Lister Drive City 10 2007 400 kV
Edinburgh Gardners Crescent - Dewar Place Substation[1] 0.2 2010 275 kV

Canada

Facility Length (km) Year of inauguration Voltage Coordinates of endpoints
Trincomali Channel, AC-Cable ? ? 280 kV 48°52′46″N 123°24′10″W / 48.8794882°N 123.4027827°W / 48.8794882; -123.4027827 (Parker Island Cable Terminal) ; 48°51′48″N 123°27′09″W / 48.8632008°N 123.4525645°W / 48.8632008; -123.4525645 (Salt Spring Island Cable Terminal)
Galiano Island-Canadian Mainland, AC-Cable ? ? 280 kV 48°55′07″N 123°24′15″W / 48.9186359°N 123.4040701°W / 48.9186359; -123.4040701 (Galiano Island Cable Terminal) ; ?
Malaspina Strait Cable ? ? 500 kV 49°40′27″N 124°12′13″W / 49.6741339°N 124.2035777°W / 49.6741339; -124.2035777 (Cockburn Cable Terminal) ; 49°37′48″N 124°17′03″W / 49.6301301°N 124.2842746°W / 49.6301301; -124.2842746 (Texada Island Cable Terminal East)
Texada Island-Vancouver Island Cable ? ? 500 kV 49°35′25″N 124°21′30″W / 49.5903014°N 124.3582285°W / 49.5903014; -124.3582285 (Texada Island Cable Terminal West) ; 49°25′18″N 124°38′35″W / 49.4217569°N 124.6431756°W / 49.4217569; -124.6431756 (Nile Creek Cable Terminal)

References

  1. ↑ http://www.donegan.co.uk/editorimages/Project%20Flyers/DewarPlaceEdinburgh.pdf
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