NSN Link
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| NSN Link | |
|---|---|
| Location | |
| Country | Norway United Kingdom |
| General direction | east–west–east |
| From | Kvilldal, Norway |
| Passes through | North Sea |
| To | Blyth, England |
| Ownership information | |
| Partners | Statnett National Grid plc |
| Construction information | |
| Manufacturer of substations | ABB |
| Installer of substations | ABB |
| Expected | 2020 |
| Technical information | |
| Type | submarine cable |
| Type of current | HVDC |
| Total length | Lua error in Module:Convert at line 1851: attempt to index local 'en_value' (a nil value). |
| Power rating | 1,400 MW |
| Number of circuits | 2 |
The NSN Link (also known as North Sea Network, HVDC Norway–Great Britain, and Norway–UK interconnector) is a subsea high-voltage direct current electricity cable under construction between Norway and the United Kingdom. It is a joint project of the transmission system operators Statnett and National Grid plc.
History
The project was first proposed in 2003 when Statnett and National Grid prepared a 1,200 MW interconnector between Suldal in Norway and Easington, County Durham, in the United Kingdom. This project was suspended.[1][2]
On 6 October 2009, Statnett and National Grid announced they were conducting a feasibility study of the cable. According to the pre-feasibility study the project will be economically and technologically feasible. It will be a commercial cable jointly owned by Statnett and National Grid NSN Link Limited, a subsidiary of National Grid.[3] In March 2015, Statnett and National Grid announced a decision to "start the construction phase",[4][5][6] a month after announcing the "Nemo link", a similar connection between the United Kingdom and Belgium.[7]
Route
The cable will run from Kvilldal, Suldal, in Norway, to Blyth in the United Kingdom.[8] The route survey was conducted by MMT in 2012.[9][10]
The interconnection may also connect the North Sea wind farms as well as offshore oil and gas platforms, becoming the backbone of the proposed North Sea Offshore Grid.[1][11]
Technical description
The cable will be 730 kilometres (450 mi) long.[8] It has a planned capacity of 1,400 MW.[4] It is estimated to cost €2 billion and become operational in 2021.[4][12] The offshore cable will be supplied by Prysmian. The cable will be manufactured at the Arco Felice factory in Naples, Italy, and it will be installed by the cable-laying vessel Giulio Verne.[8] Cable for the fjord, tunnel and lake sections, and the onshore connection in Norway will be manufactured at the Halden plant in Norway and supplied by Nexans. It will be laid by using Capjet trenching system and the cable-laying vessel Skagerrak.[8] The HVDC converter stations will be built and installed by the ABB Group.[8]
See also
References
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