Viking Link

Viking Link is a 1,400 MW HVDC submarine power cable under construction between the United Kingdom and Denmark.

Viking Link
Location
CountryDenmark, United Kingdom
Coordinates55°31′23″N 8°42′35″E
52°55′49″N 0°13′14″W
General directionEast–west
Passes throughNorth Sea
ToBicker Fen
Ownership information
Partners
Construction information
Construction started2018
Expected2023
Technical information
Typesubmarine cable
Type of currentHVDC
Total length740 km (460 mi)
Power rating1,400 MW
AC voltage400 kV (Jutland), 400 kV (Bicker Fen)
DC voltage± 525 kV


Route

The cable will run between Bicker Fen in Lincolnshire, the United Kingdom and Revsing in southern Jutland, Denmark.[1]

With a length of 740 kilometres (460 miles) of which 650 km (400 mi) would pass through Danish, German, Dutch and British waters[1] it would cross and be longer than the world's currently longest submarine power cable, the 580 km (360 mi) long NorNed.

Specification

The interconnector would be capable of transmitting up to 1,400 MW at 525 kV[2] i.e. an annual transmission capacity of 12.3 TWh.

It is similar in capacity, completion date and length to the UK–Norway North Sea Link.

Ownership

The project is a cooperation between British National Grid and Danish Energinet.[1]

Project status

In July 2020, consturction commenced with the construction of an access road at Bicker Fen.[3]

Future plans

As of August 2019 the cable was expected to be operational by the end of 2023,[4] increasing the UK's electricity interconnection level (transmission capacity relative to production capacity) from 6%.[5]

Project history

In November 2015 Viking Link was put on the EU "Projects of Common Interest" list, along with the COBRAcable between Jutland and the Netherlands, and the Krieger offshore wind turbine cable to Germany.[6]

In January 2017 Viking Link announced a €1.3 billion tender for seven contracts that detail all aspects of constructing and later maintaining both the land and sea components of the link.[7]

In March 2017 Fugro announced the completion of their contract to survey the seabed for the subsea section of the interconnector.[8]

According to some experts including National Grid's head of strategy the UK's decision to leave the EU can negatively influence the effort to link the UK power grid with the continent and may put planned interconnectors such as Viking Link on hold.[9] In reaction to the Brexit referendum Viking Link stated that the plans to build and operate the interconnector remain unchanged and that they consider the project unlikely to be influenced since it has a strong business case, while National Grid claims that leaving the internal energy market would jeopardize interconnector projects such as Viking Link.[10]

In July 2019 Viking Link announced three contracts totaling €1.1 billion, one with Siemens for the two onshore substations and two for the manufacture and laying of the undersea cables to be done by Prysmian Powerlink S.r.l. and NKT HV Cables AB. Construction work is scheduled to start mid-2020 and expected to be complete by 2023.[11]

In December 2019, contracts were awarded for the UK onshore construction works.[12]

In November 2019, it was announced that preparation work had started on the beach in Denmark.[13]

In July 2020, Viking Link announced that work had started on the 475 mile interconnector.[14]

Economic impact

The Viking Link will give the UK access to the west Denmark bidding area (DK1) of Nord Pool Spot. An analysis in 2016 showed a DKK 5.6 billion overall benefit for the society using Viking Link, and a DKK 20 billion benefit for heat pumps in district heating. Combining the two yields a benefit of DKK 22.8 billion. By 2022 prices in Denmark are projected to rise by 15 DKK/MWh, and fall in England. The investment is estimated at 13.4 billion DKK.[15]

A new 400kV supporting power line in Denmark is expected to increase internal transmission capacity and reduce overhead power lines from 324 km to 145 km.[16]

See also

References
  1. "Viking Link Interconnector - 4C Offshore". 4coffshore.com. Retrieved 2016-02-02.
  2. "National Grid starts construction on Viking Link". Viking Link News Archive. National Grid / ENERGINET. Retrieved 23 July 2020.
  3. "Denmark - National Grid". National Grid. Archived from the original on 2016-03-03. Retrieved 2016-02-03.
  4. COM/2015/082 final: "Achieving the 10% electricity interconnection target" Text PDF page 2-5. European Commission, 25 February 2015. Archive Mirror
  5. "Union list of projects of common interest" (PDF). European Commission. 2015-11-18. Retrieved 2016-04-25.
  6. "€1.3bn tender launched for Viking Link". 4coffshore.com. 2017-01-20. Retrieved 2017-01-21.
  7. Bergman, Amy (2017-03-09). "A vital link". Fugro. Retrieved 2017-05-07.
  8. Pell, Elza Holmstedt (2016-05-02). "UK energy links to Europe at risk from Brexit, analysts warn". EurActiv. Retrieved 2017-01-14.
  9. "Viking Link and Brexit". viking-link.com. Retrieved 2017-01-14.
  10. "Cable and converter station suppliers are announced". viking-link.com. Retrieved 2019-08-10.
  11. "National Grid and Energinet have chosen Balfour Beatty to become the civil works supplier for the UK's first ever subsea electricity interconnector to Denmark". Viking Link. 17 December 2019. Retrieved 20 April 2020.
  12. "Preparation has started in Denmark". Viking Link. Retrieved 5 December 2019.
  13. "Viking Link: 475-mile underwater interconnector will give UK access to Denmark's clean energy". Sky News. 13 July 2020. Retrieved 13 July 2020.
  14. "Viking Link og andre tiltag for integration af vind" [Viking Link and other Initiatives for Wind Integration] (PDF). ea-energianalyse.dk (in Danish). 2016. p. 37+61+68.
  15. "Naboer inviteres til at komme med ønsker til 400 kV-linjeføring | Energinet". energinet.dk. 2019-09-10.
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