COBRAcable

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COBRAcable
Template:Maplink
Outline of the COBRAcable
Location
CountryDenmark, the Netherlands
CoordinatesLua error: callParserFunction: function "#coordinates" was not found.
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General directionnortheast–southwest
FromEndrup
Passes throughGerman Bight
ToEemshaven
Ownership information
PartnersEnerginet.dk
TenneT
Construction information
Manufacturer of conductor/cablePrysmian
Manufacturer of substationsSiemens
Construction started2016
Construction costDKK 4.7 billion; €580m.[2]
CommissionedSeptember 2019[1]
Technical information
Typesubmarine cable
Type of currentHVDC
Total lengthScript error: No such module "ConvertIB".
Power rating700 MW[3]
AC voltage400 kV
DC voltage±320 kV

COBRAcable (COpenhagen-BRussels-Amsterdam cable) is a ±320 kV, 700 MW HVDC submarine power cable pair between Eemshaven, the Netherlands and Endrup near Esbjerg, Denmark. The cable is jointly owned by Energinet.dk and TenneT. Its purpose is to improve the European transmission grid and thus increase the amount of variable wind power in the system while improving supply reliability.[4][5][6] Its 700 MW capacity corresponds to an annual transmission capacity of 6.1 TWh.

Construction

The interconnector has a length of 325 kilometres (202 miles),[4] consists of two parallel cables each with a diameter of Template:Cvt[7][8] and includes fiber-optic communication.[9][10] The connection has been designed in such a way as to enable the connection of an offshore wind farm at a later stage. This contributes to the realisation of a sustainable international energy landscape, a key aim of the European Union.[5]

On the Danish side the interconnector reaches land on the western coast of the island of Fanø and end on the mainland at the converter station near Endrup where an existing power facility has been extended with 5 hectares (12 acres). The building itself has a footprint of 125 m × 36 m and a height of 21 m. A group of local residents have collaborated with Energinet.dk in deciding the outer appearance of the building and its surrounding vegetation.[7]

The COBRAcable is a cross-border project of European significance. The European Commission has therefore allocated a subsidy to the project under the EU Economic Recovery Plan, and has designated the COBRAcable as a Project of Common Interest (PCI). In November 2015, the project was put on the EU "Projects of Common Interest" list, along with Viking Link between Denmark and England, and Kriegers Flak Combined Grid Solution between Denmark and Germany.[5][11]

Construction contracts were signed with Siemens and Prysmian in 2016[12] and in June 2016 Prysmian subcontracted the marine survey for the cable placement to the Swedish marine survey provider MMT.[13]

Onshore construction started in Denmark in October 2016[7] and in the Netherlands in January 2017.[14][15][16]

In 2015 COBRACable was expected to be operational from early 2019,[4] in Q1 2019 commercial operation was expected to start during Q3 of 2019.[17]

Operation

After tests between July and September 2019, the COBRAcable was commissioned in September 2019.[1] In its first half year of operation, it had a 79% capacity factor and transported 1,400 GWh to Netherlands and 700 GWh to Denmark.[18] It became inoperable in September 2020[19] due to a cable fault, and became operational in January 2021 after repairs.[20]

See also

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References

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  1. ^ a b Page Module:Citation/CS1/styles.css has no content."COBRAcable: Interconnector to the Netherlands | Energinet". en.energinet.dk (Press release). Archived from the original on 7 March 2020.
  2. ^ cobra-cable_en ec.europa.eu
  3. ^ Page Module:Citation/CS1/styles.css has no content."COBRAcable - TenneT".
  4. ^ a b c Page Module:Citation/CS1/styles.css has no content."Cable to the Netherlands - COBRAcable". energinet.dk (Press release). 2015-06-10. Archived from the original on 2016-01-20. Retrieved 2016-01-28.
  5. ^ a b c Page Module:Citation/CS1/styles.css has no content."COBRAcable: Interconnection between the Netherlands and Denmark". TenneT.eu. Retrieved 2018-01-26.
  6. ^ Page Module:Citation/CS1/styles.css has no content."COBRAcable: From concept to conception" (PDF). COBRAcable.eu. Retrieved 2018-01-26.
  7. ^ a b c Page Module:Citation/CS1/styles.css has no content."Spadestik til Danmarks første elforbindelse til Holland" [Groundbreaking for Denmark's first interconnector to the Netherlands]. energinet.dk (in Danish). 2016-10-10. Archived from the original on 2016-10-11. Retrieved 2016-10-10.{{cite web}}: CS1 maint: unrecognized language (link)
  8. ^ Page Module:Citation/CS1/styles.css has no content.Arcadis (2015-05-04). "Interconnector COBRAcable Nederland–Denmarken milieueffectrapport—DEEL A" [Environmental impact report of interconnector COBRAcable Netherlands-Denmark—PART A] (PDF) (in Dutch). Netherlands Enterprise Agency. pp. A5, A34. Retrieved 2017-02-12.{{cite web}}: CS1 maint: unrecognized language (link)
  9. ^ Page Module:Citation/CS1/styles.css has no content."TenneT and Energinet.dk to install data cable alongside COBRAcable". energinet.dk. Archived from the original on 2016-10-11. Retrieved 2016-10-10.
  10. ^ Page Module:Citation/CS1/styles.css has no content."COBRA-kablet åbner for europæisk søvej af højhastigheds-fiber | Energinet". energinet.dk.
  11. ^ Page Module:Citation/CS1/styles.css has no content."Union list of projects of common interest" (PDF). ec.europa.eu. 2015-11-18. Retrieved 2017-02-12.
  12. ^ Page Module:Citation/CS1/styles.css has no content."Siemens and Prysmian will build the COBRA interconnection between Denmark and the Netherlands". Energinet.dk. 2016-02-01. Archived from the original on 2016-02-02. Retrieved 2016-02-02.
  13. ^ Page Module:Citation/CS1/styles.css has no content."AWARDED CABLE ROUTE SURVEY FOR THE COBRA CABLE". mmt.se. 2016-06-14. Retrieved 2016-08-08.
  14. ^ Page Module:Citation/CS1/styles.css has no content.Brendel, Mischa (2017-01-10). "Aanleg COBRAcable van start" [COBRAcable construction started]. Technisch Weekblad (in Nederlands). Retrieved 2016-02-12.
  15. ^ Page Module:Citation/CS1/styles.css has no content."COBRAcable". TenneT. Retrieved 26 February 2017.
  16. ^ Page Module:Citation/CS1/styles.css has no content."Works starts in Eemshaven on COBRAcable – a 'green' subsea electricity highway between the Netherlands and Denmark". TenneT. 3 January 2017. Retrieved 26 February 2017.
  17. ^ Page Module:Citation/CS1/styles.css has no content."Preparation for including COBRAcable in the market coupling". energinet.dk. 2019-03-14. Retrieved 2019-05-25.
  18. ^ Page Module:Citation/CS1/styles.css has no content."Plenty of traffic via COBRAcable | Energinet". en.energinet.dk. 6 March 2020.
  19. ^ Page Module:Citation/CS1/styles.css has no content."COBRAcable is down". 4c Offshore. 25 September 2020. Archived from the original on 10 November 2020.
  20. ^ Page Module:Citation/CS1/styles.css has no content."COBRAcable back in operation on January 8". www.tennet.eu. 8 January 2021. Archived from the original on 8 January 2021.

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Official website

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