List_of_high_voltage_underground_and_submarine_cables

List of high-voltage underground and submarine cables

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This is a list of high voltage (above 150 kV) AC electrical transmission lines. This list is incomplete.

For high-voltage direct current, both underground and submarine, see List of HVDC projects.

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This article uses material from the Wikipedia article List_of_high_voltage_underground_and_submarine_cables, and is written by contributors. Text is available under a CC BY-SA 4.0 International License; additional terms may apply. Images, videos and audio are available under their respective licenses.

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Facility	Length (km)	Year of inauguration	Voltage	Coordinates of endpoints
Vienna/Substation-South - Vienna/Kendlergasse	?	1984	380 kV	48.1651°N 16.3312°E / 48.1651; 16.3312 (Vienna South Substation) ; 48.2052°N 16.3111°E / 48.2052; 16.3111 (Vienna/Kendlergasse substation)
Vienna/Kendlergasse - Simmering	?	?	380 kV	48.2052°N 16.3111°E / 48.2052; 16.3111 (Vienna/Kendlergasse substation) ; 48.1813°N 16.4338°E / 48.1813; 16.4338 (Simmering substation)
Vienna/Substation-North - Vienna/Dr.-Nekowitschstrasse	5,5	2006	380 kV	48.2576°N 16.3900°E / 48.2576; 16.3900 (Vienna North Substation) ; 48.2968°N 16.3958°E / 48.2968; 16.3958
Vienna/Substation-South - Vienna-South Cable Terminal	?	?	380 kV	48.1651°N 16.3312°E / 48.1651; 16.3312 (Vienna South Substation) ; 48.1362°N 16.3406°E / 48.1362; 16.3406 (Vienna-South Cable Terminal)

Facility	Length (km)	Year of inauguration	Voltage	Coordinates of endpoints
Van Maerlant Substation - Gezelle Substation	9.8	2017	380 kV	51.2273°N 3.3156°E / 51.2273; 3.3156 (Van Maerlant Substation);51.2636°N 3.2011°E / 51.2636; 3.2011 (Gezelle Substation)
Nemo Link Converter Station - Gezelle Substation	0.8	2018	380 kV	51.2650°N 3.2097°E / 51.2650; 3.2097 (Nemo Link Converter Station);51.2636°N 3.2011°E / 51.2636; 3.2011 (Gezelle Substation)
Nobelwind Offshore Substation - Northwind Offshore Substation	12.7	2016	220 kV	51.6900°N 2.8254°E / 51.6900; 2.8254 (Nobelwind Offshore Substation);51.6198°N 2.9177°E / 51.6198; 2.9177 (Northwind Offshore Substation)
Northwind Offshore Substation - Stevin Substation	41.6	2016	220 kV	51.6198°N 2.9177°E / 51.6198; 2.9177 (Northwind Offshore Substation);51.3260°N 3.1841°E / 51.3260; 3.1841 (Stevin Substation)
Norther Offshore Substation - Stevin Substation	27.6	2019	220 kV	51.5135°N 2.9915°E / 51.5135; 2.9915 (Norther Offshore Substation);51.3260°N 3.1841°E / 51.3260; 3.1841 (Stevin Substation)
Rentel Offshore Substation - Stevin Substation	40.3	2019	220 kV	51.5756°N 2.9189°E / 51.5756; 2.9189 (Rentel Offshore Substation);51.3260°N 3.1841°E / 51.3260; 3.1841 (Stevin Substation)
OSY1 Offshore Substation - Stevin Substation	39.9	2019	220 kV	51.5824°N 2.8686°E / 51.5824; 2.8686 (OSY1 Offshore Substation);51.3260°N 3.1841°E / 51.3260; 3.1841 (Stevin Substation)
Rentel Offshore Substation - OSY1 Offshore Substation	4.1	2019	220 kV	51.5756°N 2.9189°E / 51.5756; 2.9189 (Rentel Offshore Substation);51.5824°N 2.8686°E / 51.5824; 2.8686 (OSY1 Offshore Substation)
Seastar Offshore Substation - OSY1 Offshore Substation	6.7	2020	220 kV	51.6242°N 2.8444°E / 51.6242; 2.8444 (Seastar Offshore Substation);51.5824°N 2.8686°E / 51.5824; 2.8686 (OSY1 Offshore Substation)
Mermaid Offshore Substation - OSY1 Offshore Substation	21.6	2020	220 kV	51.7120°N 2.7238°E / 51.7120; 2.7238 (Mermaid Offshore Substation);51.5824°N 2.8686°E / 51.5824; 2.8686 (OSY1 Offshore Substation)
Northwester 2 Offshore Substation - OSY1 Offshore Substation	17.2	2020	220 kV	51.6882°N 2.7593°E / 51.6882; 2.7593 (Northwester 2 Offshore Substation);51.5824°N 2.8686°E / 51.5824; 2.8686 (OSY1 Offshore Substation)
Sources: Elia,^[1] OpenInfraMap,^[2] HoogspanningsNet^[3]

Facility	Length (km)	Year of inauguration	Voltage	Coordinates of endpoints
Gistrup - Skudshale	8	?	400 kV	57.0067°N 10.0064°E / 57.0067; 10.0064 (Gistrup Cable Terminal);56.9896°N 9.8963°E / 56.9896; 9.8963 (Skudshale Cable Terminal)
Little Belt Crossing	12	?	400 kV	55.5351°N 9.6697°E / 55.5351; 9.6697;55.4706°N 9.7902°E / 55.4706; 9.7902
Great Belt power link	58	2010	400 kV DC	55.3669°N 10.5068°E / 55.3669; 10.5068 (Fraugde Converter Station);55.5316°N 11.3152°E / 55.5316; 11.3152 (Herslev Converter Station)
Tørveslettevej - Glentegård Substation	11	?	400 kV	55.7383°N 12.3328°E / 55.7383; 12.3328 (Tørveslettevej);55.7522°N 12.4990°E / 55.7522; 12.4990 (Glentegård Substation)
H. C. Ørsted Power Station - Avedøre Power Station	9	?	400 kV	55.6567°N 12.5560°E / 55.6567; 12.5560 (H. C. Ørsted Power Station);55.6044°N 12.4794°E / 55.6044; 12.4794 (Avedøre Power Station)
Avedøre Power Station - Ishøj Substation	12	?	400 kV	55.6044°N 12.4794°E / 55.6044; 12.4794 (Avedøre Power Station);55.6324°N 12.3206°E / 55.6324; 12.3206 (Ishøj Substation)
Bjæverskov Substation - Ishøj Substation	33	2018	220 kV	55.4515°N 12.0061°E / 55.4515; 12.0061 (Bjæverskov Substation);55.6324°N 12.3206°E / 55.6324; 12.3206 (Ishøj Substation)
Hovegård Substation - Ishøj Substation	17	2019	400 kV	55.7323°N 12.2338°E / 55.7323; 12.2338 (Hovegård Substation);55.6324°N 12.3206°E / 55.6324; 12.3206 (Ishøj Substation)
Anholt Offshore Substation - Trige Substation	83	2013	220 kV	56.5957°N 11.1533°E / 56.5957; 11.1533 (Anholt Offshore Substation);56.2743°N 10.1395°E / 56.2743; 10.1395 (Trige Substation)
Horns Rev 3 Offshore Substation - Endrup Substation	79	2016	220 kV	55.6902°N 7.6861°E / 55.6902; 7.6861 (Horns Rev 3 Offshore Substation);55.5308°N 8.7058°E / 55.5308; 8.7058 (Endrup Susbstation)
Kriegers Flak A Offshore Substation - Kriegers Flak B Offshore Substation	9	2020	220 kV	55.0272°N 12.8509°E / 55.0272; 12.8509;55.0485°N 12.9453°E / 55.0485; 12.9453
Kriegers Flak A Offshore Substation - Bjæverskov Substation	76	2020	220 kV	55.0272°N 12.8509°E / 55.0272; 12.8509;55.4515°N 12.0061°E / 55.4515; 12.0061 (Bjæverskov Substation)
Kriegers Flak B Offshore Substation - Bjæverskov Substation	79	2020	220 kV	55.0485°N 12.9453°E / 55.0485; 12.9453;55.4515°N 12.0061°E / 55.4515; 12.0061 (Bjæverskov Substation)
Sources: OpenInfraMap^[4]

Facility	Length (km)	Year of inauguration	Voltage	Coordinates of endpoints
Kontek	171	1995	400 kV DC	55.4515°N 12.0061°E / 55.4515; 12.0061 (Bjæverskov Substation);54.1008°N 12.2161°E / 54.1008; 12.2161 (Bentwisch Substation)
Kriegers Flak B Offshore Substation - Baltic 2 Offshore Substation	24	2021	150-170 kV	55.0485°N 12.9453°E / 55.0485; 12.9453;54.9721°N 13.1617°E / 54.9721; 13.1617 (Baltic 2 Offshore Substation)

Facility	Length (km)	Year of inauguration	Voltage	Coordinates of endpoints
Skagerrak 1 and 2	127	1977	250 kV DC	57.1262°N 9.0663°E / 57.1262; 9.0663 (Bulbjerg Cable Terminal);58.1291°N 8.1676°E / 58.1291; 8.1676 (Cable Terminal)
Skagerrak 3	127	1993	350 kV DC	57.1262°N 9.0663°E / 57.1262; 9.0663 (Bulbjerg Cable Terminal);58.1291°N 8.1676°E / 58.1291; 8.1676 (Cable Terminal)
Skagerrak 4	237	2014	500 kV DC	56.4788°N 9.5666°E / 56.4788; 9.5666 (Tjele Converter Station);58.2597°N 7.8997°E / 58.2597; 7.8997 (Kristiansand Converter Station)

List_of_high_voltage_underground_and_submarine_cables

List of high-voltage underground and submarine cables

Austria

Belgium

Belgium/Germany

Czech Republic

Denmark

Denmark/Germany

Denmark/Netherlands

Denmark/Norway

Denmark/Sweden

Egypt/Jordan

Germany

Germany/Norway

Germany/Sweden

Morocco/ Spain

Italy

Italy / Malta

Luxembourg

Netherlands

Netherlands/Norway

New Zealand

Norway

Spain

Switzerland/ Italy

Turkey

United Kingdom

UK – Europe

Canada

References

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Facility	Length (km)	Year of inauguration	Voltage	Coordinates of endpoints
Øresund Crossing Helsingør/Helsingborg	8	?	380 kV	56.0829°N 12.5002°E / 56.0829; 12.5002 (Helsingor Cable Terminal);56.1324°N 12.5955°E / 56.1324; 12.5955 (Helsingborg Cable Terminal)
Konti-Skan 1 (Lyngså-Læsø)	22	1965	285 kV DC	57.2338°N 10.5414°E / 57.2338; 10.5414 (Lyngså Cable Terminal);57.2524°N 10.9036°E / 57.2524; 10.9036 (Tusholm Cable Terminal)
Konti-Skan 1 (Læsø-Ambjörnhagen)	59	1965	285 kV DC	57.3090°N 11.1265°E / 57.3090; 11.1265 (Osterby Cable Terminal);57.5698°N 11.9744°E / 57.5698; 11.9744 (Ambjörnhagen Cable Terminal)
Konti-Skan 2 (Lyngså-Læsø)	22	1988	300 kV DC	57.2338°N 10.5414°E / 57.2338; 10.5414 (Lyngså Cable Terminal);57.2524°N 10.9036°E / 57.2524; 10.9036 (Tusholm Cable Terminal)
Konti-Skan 2 (Læsø-Ambjörnhagen)	59	1988	300 kV DC	57.3090°N 11.1265°E / 57.3090; 11.1265 (Osterby Cable Terminal);57.5698°N 11.9744°E / 57.5698; 11.9744 (Ambjörnhagen Cable Terminal)

Facility	Length (km)	Year of inauguration	Voltage	Coordinates of endpoints
Berlin/Mitte - Berlin/Stadtautobahn	11,5	1977	380 kV	52.5033°N 13.3691°E / 52.5033; 13.3691 (Berlin-Mitte Substation); 52.5265°N 13.2809°E / 52.5265; 13.2809 (Terminal Berlin Stadtautobahn)
Berlin/Reutter - Berlin/Teufelsbruch	?	1993	380 kV	52.5806°N 13.2116°E / 52.5806; 13.2116 (Teufelsbruch Substation) ; 52.5316°N 13.2488°E / 52.5316; 13.2488 (Reutter Substation)
Berlin/Mitte - Berlin/Friedrichshain	6,3	1998	380 kV	52.5033°N 13.3691°E / 52.5033; 13.3691 (Berlin-Mitte Substation) ; 52.5223°N 13.4571°E / 52.5223; 13.4571 (Berlin-Friedrichshain Substation)
Berlin/Friedrichshain - Berlin/Marzahn	5,2	2000	380 kV	52.5223°N 13.4571°E / 52.5223; 13.4571 (Berlin-Friedrichshain Substation); 52.5354°N 13.5240°E / 52.5354; 13.5240 (Berlin-Marzahn Substation)
Kraftwerk Altbach	0,3	?	380 kV	48.7190°N 9.3708°E / 48.7190; 9.3708 (Altbach Terminal West); 48.7187°N 9.3745°E / 48.7187; 9.3745 (Altbach Terminal East)
Lübeck/Bargerbück - Lübeck/Siems	?	2004	220 kV	53.9098°N 10.7584°E / 53.9098; 10.7584 (Lübeck-Siems Substation); 53.9192°N 10.6408°E / 53.9192; 10.6408 (Lübeck-Bargerbück Substation)
SITAC Park Undercrossing	?	?	220 kV	52.4312°N 13.5064°E / 52.4312; 13.5064; 52.4249°N 13.5232°E / 52.4249; 13.5232
Neckarwestheim/Nuclear Power Plant, Unit 2 - Neckarwestheim/Traction Current Inverter Station	?	2011	380 kV	49.0396°N 9.1768°E / 49.0396; 9.1768; 49.0380°N 9.1797°E / 49.0380; 9.1797
Paulaner Brewery Cable Tunnel	?		380 kV	48.1782°N 11.4309°E / 48.1782; 11.4309; 48.1762°N 11.4341°E / 48.1762; 11.4341

Facility	Length (km)	Year of inauguration	Voltage	Coordinates of endpoints
Messina Strait Cable	?	1985	380 kV	38.2032°N 15.6379°E / 38.2032; 15.6379 (Villa San Giovanni Cable Terminal) ; 38.2286°N 15.5611°E / 38.2286; 15.5611 (Messina Cable Terminal)
Milan Section of Turbigo-Rho line	8.5	2006	380 kV	45.5294°N 8.9714°E / 45.5294; 8.9714 (Pogliano Cable Terminal) ; 45.5439°N 9.0568°E / 45.5439; 9.0568 (Rho Cable Terminal)

Facility	Length (km)	Year of inauguration	Voltage	Coordinates of endpoints
Nieuwe Waterweg/Calandkanaal crossing	2.1	2005	380 kV	51.9459°N 4.1526°E / 51.9459; 4.1526 (Callandkanaal Cable Terminal);51.9598°N 4.1622°E / 51.9598; 4.1622 (Hoek van Holland Substation)
North Sea Canal crossing	0.9	2017	380 kV	52.4524°N 4.6707°E / 52.4524; 4.6707 (Velsen Zuid Cable Terminal);52.4599°N 4.6747°E / 52.4599; 4.6747 (Beverwijk Cable Terminal)
Delft - Pijnacker	10.8	2013	380 kV	51.9806°N 4.3334°E / 51.9806; 4.3334 (Delft);52.0115°N 4.4572°E / 52.0115; 4.4572 (Pijnacker)
Rijpwetering	2	2019	380 kV	52.1795°N 4.5849°E / 52.1795; 4.5849;52.1913°N 4.6039°E / 52.1913; 4.6039
Hoofddorp	3.6	2019	380 kV	52.3052°N 4.6202°E / 52.3052; 4.6202;52.3293°N 4.6554°E / 52.3293; 4.6554
Vijfhuizen - Vijfhuizen Substation	2.9	2019	380 kV	52.3497°N 4.6937°E / 52.3497; 4.6937;52.3737°N 4.6953°E / 52.3737; 4.6953 (Vijfhuizen Substation)
Sloe Power Plant - Borssele Substation	3.7	2010	380 kV	51.4480°N 3.6924°E / 51.4480; 3.6924 (Sloe Power Plant);51.4331°N 3.7273°E / 51.4331; 3.7273 (Borssele Substation)
Maasstroom Power Plant - Simonshaven Substation	12.4	2011	380 kV	51.8898°N 4.3526°E / 51.8898; 4.3526 (Maasstroom Power Plant);51.8394°N 4.2658°E / 51.8394; 4.2658 (Simonshaven Substation)
Enecogen Power Plant - Maasvlakte Substation	12.2	2012	380 kV	51.9581°N 4.0926°E / 51.9581; 4.0926 (Enecogen Power Plant);51.9553°N 4.0222°E / 51.9553; 4.0222 (Maasvlakte Substation)
Onyx Power Plant - Maasvlakte Substation	4.8	2016	380 kV	51.9442°N 4.0718°E / 51.9442; 4.0718 (Onyx Power Plant);51.9553°N 4.0222°E / 51.9553; 4.0222 (Maasvlakte Substation)
Maasvlakte Power Plant - Maasvlakte Substation	0.8	2016	380 kV	51.9621°N 4.0204°E / 51.9621; 4.0204 (Maasvlakte Power Plant);51.9553°N 4.0222°E / 51.9553; 4.0222 (Maasvlakte Substation)
Hollandse Kust Zuid Onshore Substation - Maasvlakte Substation	3.7	2021	380 kV	51.9839°N 4.0271°E / 51.9839; 4.0271;51.9553°N 4.0222°E / 51.9553; 4.0222 (Maasvlakte Substation)
Gemini Onshore Substation - Eemshaven Oudeschip Substation	1.7	2016	380 kV	53.4439°N 6.8713°E / 53.4439; 6.8713 (Gemini Onshore Substation);53.4359°N 6.8625°E / 53.4359; 6.8625 (Eemshaven Oudeschip Substation)
Eemshaven Filter Station - Eemshaven Oudeschip Substation	0.8	2021	380 kV	53.4375°N 6.8686°E / 53.4375; 6.8686 (Eemshaven Filter Station);53.4359°N 6.8625°E / 53.4359; 6.8625 (Eemshaven Oudeschip Substation)
COBRA Converter Station - Eemshaven Oudeschip Substation	0.3	2019	380 kV	53.4356°N 6.8673°E / 53.4356; 6.8673 (COBRA Converter Station);53.4359°N 6.8625°E / 53.4359; 6.8625 (Eemshaven Oudeschip Substation)
NorNed Converter Station - Eemshaven Substation	1.3	2008	380 kV	53.4346°N 6.8664°E / 53.4346; 6.8664 (NorNed Converter Station);53.4248°N 6.8743°E / 53.4248; 6.8743 (Eemshaven Substation)
Wijk aan Zee Onshore Subtation - Beverwijk Substation	5.5	2023	380 kV	52.4869°N 4.6189°E / 52.4869; 4.6189 (Wijk aan Zee Onshore Subtation);52.4728°N 4.6793°E / 52.4728; 4.6793 (Beverwijk Substation)
Gemini I Offshore Subtation - Gemini II Offshore Substation	8.8	2017	220 kV	54.0370°N 6.0416°E / 54.0370; 6.0416 (Gemini I Offshore Subtation);54.0326°N 5.8885°E / 54.0326; 5.8885 (Gemini II Offshore Subtation)
Gemini I Offshore Subtation - Gemini Onshore Substation	96	2016	220 kV	54.0370°N 6.0416°E / 54.0370; 6.0416 (Gemini I Offshore Subtation);53.4439°N 6.8713°E / 53.4439; 6.8713 (Gemini Onshore Substation)
Gemini II Offshore Subtation - Gemini Onshore Substation	103	2016	220 kV	54.0326°N 5.8885°E / 54.0326; 5.8885 (Gemini II Offshore Subtation);53.4439°N 6.8713°E / 53.4439; 6.8713 (Gemini Onshore Substation)
Borssele Alpha Offshore Substation - Zeeuwse Kust Onshore Substation	61	2019	220 kV	51.7000°N 3.0567°E / 51.7000; 3.0567;51.4315°N 3.7258°E / 51.4315; 3.7258 (Zeeuwse Kust Onshore Substation)
Borssele Beta Offshore Substation - Zeeuwse Kust Onshore Substation	67	2019	220 kV	51.7262°N 2.9655°E / 51.7262; 2.9655 (Borssele Beta Offshore Substation);51.4315°N 3.7258°E / 51.4315; 3.7258 (Zeeuwse Kust Onshore Substation)
Hollandse Kust Zuid Alpha Offshore Substation - Hollandse Kust Zuid Onshore Substation	42	2021	220 kV	52.3197°N 4.0436°E / 52.3197; 4.0436;51.9839°N 4.0271°E / 51.9839; 4.0271
Hollandse Kust Zuid Beta Offshore Substation - Hollandse Kust Zuid Onshore Substation	34	2022	220 kV	52.2579°N 4.0871°E / 52.2579; 4.0871;51.9839°N 4.0271°E / 51.9839; 4.0271
Hollandse Kust Noord Offshore Substation - Wijk aan Zee Onshore Substation		2023	220 kV	52.6978°N 4.2935°E / 52.6978; 4.2935;52.4869°N 4.6189°E / 52.4869; 4.6189 (Wijk aan Zee Onshore Subtation)
Hollandse Kust West Alpha Offshore Substation - Wijk aan Zee Onshore Substation		2024 (under construction)	220 kV	52.6804°N 3.8054°E / 52.6804; 3.8054;52.4869°N 4.6189°E / 52.4869; 4.6189 (Wijk aan Zee Onshore Subtation)
Hollandse Kust West Beta Offshore Substation - Wijk aan Zee Onshore Substation		2025 (under construction)	220 kV	52.6145°N 3.7379°E / 52.6145; 3.7379;52.4869°N 4.6189°E / 52.4869; 4.6189 (Wijk aan Zee Onshore Subtation)
IJmuiden Ver Alpha Offshore Converter Station - IJmuiden Ver Alpha Onshore Converter Station		planned	525 kV DC
IJmuiden Ver Alpha Onshore Converter Station - Borssele Substation		planned	380 kV	51.4387°N 3.7236°E / 51.4387; 3.7236;51.4331°N 3.7273°E / 51.4331; 3.7273 (Borssele Substation)
IJmuiden Ver Beta Offshore Converter Station - IJmuiden Ver Beta Onshore Converter Station		planned	525 kV DC
IJmuiden Ver Beta Onschore Converter Station - Maasvlakte Substation		planned	380 kV	51.9484°N 4.0098°E / 51.9484; 4.0098;51.9553°N 4.0222°E / 51.9553; 4.0222 (Maasvlakte Substation)
IJmuiden Ver Gamma Offshore Converter Station - IJmuiden Ver Gamma Onshore Converter Station		planned	525 kV DC
IJmuiden Ver Gamma Onshore Converter Station - Maasvlakte Substation		planned	380 kV	51.9464°N 4.0073°E / 51.9464; 4.0073;51.9553°N 4.0222°E / 51.9553; 4.0222 (Maasvlakte Substation)
Sources: TenneT,^[5] OpenInfraMap,^[6] HoogspanningsNet,^[7] Net op zee^[8]

Facility	Length (km)	Year of inauguration	Voltage	Coordinates of endpoints
Brownhill–Pakuranga link	11	2012	220 kV	36.9736°S 174.9597°E / -36.9736; 174.9597 (Brownhill transition substation) 36.9261°S 174.9063°E / -36.9261; 174.9063 (Pakuranga Substation)
Auckland cross-harbour power cable (Pakuranga–Albany)	37	2014	220 kV	36.9261°S 174.9063°E / -36.9261; 174.9063 (Pakuranga Substation) ; 36.7395°S 174.6907°E / -36.7395; 174.6907 (Albany Substation)

Facility	Length (km)	Year of inauguration	Voltage	Coordinates of endpoints
Sutlüce - Lapseki (Dardanelles crossing I)	4.6	2015	400	40.35161°N 26.617991°E / 40.35161; 26.617991 (Sutlüce Substation) ; 40.32560°N 26.65152°E / 40.32560; 26.65152 (Lapseki Substation)
Sutlüce - Lapseki (Dardanelles crossing II)	4.6	2017	400	40.33481°N 26.599901°E / 40.33481; 26.599901 (Sutlüce Substation) ; 40.31766°N 26.64238°E / 40.31766; 26.64238 (Lapseki Substation)

Facility	Length (km)	Year of inauguration	Voltage	Coordinates of endpoints
Beatrice Wind Farm, Moray Firth – Blackhillock substation, Moray^[9]	70	2007, 2018	220 kV	58°7′48″N 3°4′12″W ; 57.4984°N 2.9883°W
Bicester, East Claydon – Bicester substations, Oxfordshire^[10]			132 kV	51.92663°N 0.90307°W
Bradford, Bradford West – Kirkstall substations (line partly underground) Yorkshire^[11]			275 kV	53.82822°N 1.77895°W
Brechfa Forest West onshore wind farm, Carmarthenshire^[12]		2018	132 kV	51°59′00″N 04°09′50″W
Burbo Bank offshore wind farm, Liverpool Bay – onshore substation, Denbighshire^[13]		2008, 2017	220 kV	53.48°N 3.26°W ; 53.26038°N 3.50465°W
Caithness-Moray Transmission link, Spittal, Caithness, Scotland – Blackhillock, Moray, Scotland^[14]	113^[15]	2019^[16]	320 kV	58.4485°N 3.4376°W ; 57.4984°N 2.9883°W
Dinorwig power station – Pentir, Gwynedd^[17]^[18]		1984	400 kV	53° 7′ 7″ N, 4° 6′ 50″ W ; 53.1723°N 4.1694°W
Dorset Area of Outstanding Natural Beauty^[19]	9	2022	400kV	50.660°N 2.511°W / 50.660; -2.511 ; 50.705°N 2.536°W / 50.705; -2.536
Dudgeon offshore wind farm – Necton substation, Norfolk^[20]		2017	132kV	53.249°N 1.39°E ; 52.65838°N 0.80156°E
East Anglia one offshore wind farm – Bramford substation, Suffolk^[21]	>43	2020	220 kV	52°54′28″N 2°37′43″E ; 52.07049°N 1.06118°E
Edinburgh, Gardners Crescent – Dewar Place Substation, Edinburgh^[22]	0.2	2010	275 kV	55.92991°N 3.18669°W
Fawley Tunnel (Fawley – Chilling), Hampshire^[23]	3.2	1966	400 kV	50.826°N 1.314°W
Fawley – Langley, Hampshire^[24]			132 kV	50.81551°N 1.34029°W
Greater Gabbard and Galloper Array offshore wind farms – Sizewell, Suffolk^[25]	>23	2012 and 2018	132 kV	51.8052°N 1.7855°E ; 52.215°N 1.61972°E
Gunfleet sands offshore wind farm, Clacton, Essex^[26]		2010	132kV	51°44′22″N 1°10′28″E ; 51.7945°N 1.2543°E
Gwynt y Môr offshore wind farm – Bodelwyddan substation, Denbighshire^[27]	>18	2015	132 kV	53°27′N 3°35′W ; 53.26038°N 3.50465°W
Hornsea offshore wind farm – Killingholme, North East Lincolnshire^[28]		2019	220 kV	53.885°N 1.791°E ; 53.64225°N 0.26928°E
Hull, Creyke Bank – Hull South substations, Hull			132 kV	53.79994°N 0.41269°W
Hull, Sculcoates B – Cornwall Street substation, Hull			132 kV	53.76075°N 0.33407°W
Hull, Salt End substation – Hull East substation, Hull^[29]			132 kV	53.74236°N 0.23795°W
HVDC Kingsnorth (Kingsnorth, Kent – Beddington – Willesden, London)	59 km + 26 km	1974 (decommissioned 1986)	± 266 kV	51.418947°N 0.602702°E ; 51.4011°N 0.1388°W
Isle of Wight submarine cables (Langley, Hampshire – Cowes & East Wooton, Isle of Wight)			132 kV	50.80967°N 1.35447°W ; 50.711304°N 1.254048°W
Kentish Flats offshore wind farm, Kent^[30]		2005	33 kV	51°27′36″N 1°5′24″E ; 51.3548°N 1.08534°E
Laleham, Surrey – Ealing – Willesden, West London^[31]			275 kV	51.4236°N 0.47021°W ; 51.5008°N 0.29402°W ; 51.53354°N 0.2553°W
Liverpool, Kirkby –Lister Drive City, Merseyside	10	2007	400 kV	53.46966°N 2.84288°W
London Array offshore wind farm – Cleve Hill, Kent^[32]		2013	150 kV	51°38′N 1°29′E ; 51.3315°N 0.9303°E
London, St John's Wood – City Road			400 kV	51.52666°N 0.16488°W ; 51.52832°N 0.09124°W
London, City Road – West Ham			400 kV	51.52832°N 0.09124°W ; 51.518684°N 0.002197°E
London, Beddington Cable Tunnel,(Beddington – Rowdown)			400 kV	51.36594°N 0.12324°W ; 51.34789°N 0.00954°W
London, Hertfordshire, Elstree to St. John's Wood Deep Cable Tunnel	20	2005	400 kV	51.52666°N 0.16488°W ; 51.65512°N 0.32714°W
London, West Ham – Hackney (Lower Lea Valley Cable Tunnel)	6.3	2008	400 kV	51.518684°N 0.002197°E ; 51.56108°N 0.05404°W
London, London Power Tunnels, (Hackney – St. John's Wood)^[33]	12.5	2018	400 kV	51.56108°N 0.05404°W ; 51.53599°N 0.23703°W
London, London Power Tunnels (St. John's Wood – Kensal Green – Willesden)	7.4	2018	400 kV	51.52666°N 0.16488°W ; 51.53599°N 0.23703°W
London, London Power Tunnels (Kensal Green – Wimbledon)	12.1	2018	400 kV	51.52636°N 0.22584°W ; 51.42784°N 0.18237°W
London, Wimbledon – New Cross^[34]	12	2025 (under construction)	400 kV	51.42784°N 0.18237°W ; 51.48082°N 0.06239°W
London, New Cross – Hurst^[34]	18	2026 (under construction)	400 kV	51.48082°N 0.06239°W ; 51.43236°N 0.1541°E
London, Hurst – Crayford^[34]	2.5	2024 (under construction)	400 kV	51.43236°N 0.1541°E ; 51.44775°N 0.17925°E
London, St. John's Wood – Tottenham substations^[35]			275 kV	51.527499°N 0.169376°W ; 51.603178°N 0.048243°W
London, Tottenham – Redbridge substations			275 kV	51.603178°N 0.048243°W ; 51.588552°N 0.044926°E
Lynn and Inner Dowsing offshore wind farms, Lincolnshire – Walpole substation, Norfolk		2009	132 kV	53°07′39″N 00°26′10″E ; 52.73139°N 0.2281°E
Moyle Interconnector (Auchencrosh, Dumfries and Galloway – Ballycronan More, County Antrim, Northern Ireland)^[36]	63.5	2001	275 kV DC	55.07313°N 4.98188°W ; 54.83746°N 5.7806°W
Orrmonde offshore wind farm – Heysham, Lancashire^[37]		2012	132 kV	54°6′N 3°24′W ; 54.0331°N 2.87913°W
Race Bank offshore wind farm – Walpole substation, Norfolk^[38]		2018	250 kV	53.276°N 0.841°E ; 52.73139°N 0.2281°E
Rampion offshore wind farm – Bolney, Sussex^[39]		2018	150 kV	50°40′0″N 0°16′0″W ; 50.97535°N 0.22574°W
Redcar, Lackenby –Thornton, part buried, Redcar and Cleveland			400 kV	54.5157°N 1.169°W
River Medway Cable Tunnels (Grain – Chetney Marsh), Kent	1.7	1977	400 kV	51°25'14.6"N 0°41'59.6"E ; 51°26'09.0"N 0°42'18.9"E
Severn-Wye Cable Tunnel (Aust – Newhouse)	3.6	1973	400 kV	51.608459°N 2.615454°W ; 51.610878°N 2.669090°W
Sheffield, Neepsend – Pitsmoor and Sheffield City substations, South Yorkshire			275 kV	53.4026°N 1.48569°W
Sheringhan Shoal offshore wind farm, Norfolk – substation, Norfolk^[40]		2012	132 kV	53.135°N 1.147°E ; 52.76802°N 1.13913°E
Thanet offshore wind farm – Richborough, Kent		2010	132 kV	51.4306°N 1.6331°E ; 51.3101°N 1.35278°E
Walney and West of Duddon Sands offshore wind farms – Heysham Lancashire		2011, 2014, 2018	220 kV	54.044°N 3.522°W and 53.983°N 3.463°W ; 54.0331°N 2.87913°W
Western HVDC Link (Hunterston – Connah's Quay)	422	2018	600 kV DC	55°43′20″N 4°53′24″W ; 53.232162°N 3.0813°W
Woodhead tunnel, South Yorkshire	4.888	1969^[41]	400 kV	53.495659°N 1.829765°W ; 53.517377°N 1.765451°W
River Thames	For crossings under the Thames see Powerline river crossings in the United Kingdom

Facility	Length (km)	Year of inauguration	Voltage	Coordinates of endpoints
BritNed (Isle of Grain, Kent – Maasvlakte, Netherlands)^[42]	260	2011	±450 kV DC	51°26′24″N 0°43′0″E ; 51.96127°N 4.01617°E
East–West Interconnector (Shotton, Flintshire, Wales – Rush North Beach, County Dublin, Republic of Ireland)^[43]	263	2012	±200 kV DC	53°13′38″N 3°4′22″W ; 53°28′16″N 6°34′3″W
HVDC Cross-Channel (Sellinge, Kent – Poste électrique des Mandarins, France)^[44]	73	1986	±270 kV DC	51.10452°N 0.98393°E ; 50.90776°N 1.72806°E
IFA-2 Interconnexion France-Angleterre (Fareham, Hampshire – Tourbe, France)^[45]	204	Under construction	±320 kV DC	50.8217°N 1.18448°W ; 49.1139°N 0.2324°W
Isle of Man to England Interconnector (Bispham, Blackpool – Douglas Head, Isle of Man)^[46]	104	2000	90 kV AC	53°50′57″N 03°01′46″W ; 54°08′52″N 4°28′51″W
Nemo Link (Richborough, Kent – Nemo Link Converter Station, Belgium)^[47]	141.5	2019	400 kV DC	51.309239°N 1.344376°E ; 51.25245°N 3.17864°E
North Sea Link (Blyth, Northumberland – Kvilldal, Norway)^[48]	730	2021 (Under testing phase)	±515 kV DC	55.14364°N 1.54245°W ; 59.4965°N 6.6984°E
Viking Link (Bicker Fen, Lincolnshire – Revsing, Denmark)	740	2023 (Under construction)	±525 kV DC	55.523056°N 8.709722°E ; 52.930278°N 0.220556°W

Facility	Length (km)	Year of inauguration	Voltage	Coordinates of endpoints
Trincomali Channel, AC-Cable	?	?	280 kV	48.8794°N 123.4027°W / 48.8794; -123.4027 (Parker Island Cable Terminal) ; 48.8632°N 123.4525°W / 48.8632; -123.4525 (Salt Spring Island Cable Terminal)
Galiano Island-Canadian Mainland, AC-Cable	?	?	280 kV	48.9186°N 123.4040°W / 48.9186; -123.4040 (Galiano Island Cable Terminal) ; ?
Malaspina Strait Cable	?	?	500 kV	49.6741°N 124.2035°W / 49.6741; -124.2035 (Cockburn Cable Terminal) ; 49.6301°N 124.2842°W / 49.6301; -124.2842 (Texada Island Cable Terminal East)
Texada Island-Vancouver Island Cable	?	?	500 kV	49.5903°N 124.3582°W / 49.5903; -124.3582 (Texada Island Cable Terminal West) ; 49.4217°N 124.6431°W / 49.4217; -124.6431 (Nile Creek Cable Terminal)