NordLink

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NordLink is a subsea 1,400 megawatt (MW) HVDC power cable between Norway and Germany, opened in May 2021.[1] The Script error: No such module "convert". long line operates at a voltage of 500 kV DC.[2][3] It consists of 54 kilometres long land cable in Schleswig-Holstein, Germany, a 516 kilometres long submarine cable between Germany and Norway and a 53 kilometres long overhead line with 140 towers in Norway.

Construction

It is estimated to cost €1.5–2 billion,[4] which was financed in 2015[5] when Statnett decided to realize the project.[6] The interconnector was installed between a new substation at Ertsmyra (near Tonstad) in Norway and Wilster substation[7] in Schleswig-Holstein in Germany.[8] The connection was expected to be completed in 2020.[5][9] When testing in September 2020, it accidentally imported the full 1,400 MW into Norway for almost a minute, causing cascading grid effects such as a 0.5 Hz frequency change across the Nordic synchronous area.[10][11] The opening ceremony took place on 27 May 2021.[1]

Operation

In November 2021, amid high demand for electricity in Europe, the increased exports from Norway to continental Europe caused conflict with the grid operator of Sweden, which cut export capacity in half, causing the Norwegian operator to do the same for exports to Sweden (on which Denmark and Finland also rely).[12] Grid constraints inside Norway and Germany sometimes restrict NordLink capacity to less than maximum.[13][14]

Ownership

The Norwegian state-owned company and transmission system operator, Statnett SF, owns 50% of the project, whilst the Dutch transmission system operator TenneT TSO and the German state-owned bank KfW own the other half. A cable between Norway and Germany is listed in the EU's projects of common interest (PCI).[2][15]

Sites

Site Coordinates
Tonstad HVDC converter station Script error: No such module "Coordinates".
Djupvik Cable Terminal Script error: No such module "Coordinates".
Wilster HVDC converter station Script error: No such module "Coordinates".

Waypoints

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List of waypoints
Overhead Line in Norway
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See also

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External links

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References

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  1. ↑ a b Script error: No such module "citation/CS1".
  2. ↑ a b Script error: No such module "citation/CS1".
  3. ↑ Script error: No such module "citation/CS1".
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  5. ↑ a b Script error: No such module "citation/CS1".
  6. ↑ Lie, Øyvind. "Statnett bygger kraftkabel til Tyskland" (tr. "Statnett is building a power cable to Germany") Teknisk Ukeblad, 10 February 2015. Retrieved : 22 February 2015.
  7. ↑ Script error: No such module "citation/CS1".
  8. ↑ Script error: No such module "citation/CS1".
  9. ↑ Script error: No such module "citation/CS1".
  10. ↑ Script error: No such module "citation/CS1".
  11. ↑ Script error: No such module "citation/CS1".
  12. ↑ Script error: No such module "citation/CS1".
  13. ↑ Script error: No such module "citation/CS1".
  14. ↑ Script error: No such module "citation/CS1".
  15. ↑ Nordic Grid Development Plan 2014 Template:Webarchive" page 59, Document no. 13/81818 - 5. Nordic TSOs, August 2014. Retrieved : January 2015.

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