COBRAcable
Outline of the COBRAcable
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| Country | Denmark, the Netherlands |
|---|---|
| Coordinates |
55°31′23″N 8°42′35″E / 55.52306°N 8.70972°E 53°26′4″N 6°51′57″E / 53.43444°N 6.86583°E |
| General direction | northeast–southwest |
| From | Endrup |
| Passes through | German Bight |
| To | Eemshaven |
| Partners |
Energinet.dk TenneT |
| Manufacturer of conductor/cable | Prysmian |
| Manufacturer of substations | Siemens |
| Construction started | 2016 |
| Expected | 2019 |
| Construction cost | DKK 4.7 billion; €580m. |
| Type | submarine cable |
| Type of current | HVDC |
| Total length | 325 km (202 mi) |
| Power rating | 700 MW |
| AC voltage | 400 kV |
| DC voltage | ±320 kV |
COBRAcable (COpenhagen-BRussels-Amsterdam cable) is a 320 kV, 700 MW HVDC submarine power cable under construction between Eemshaven, the Netherlands, and Endrup near Esbjerg, Denmark. The cable will be 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. Its 700 MW capacity corresponds to an annual transmission capacity of 6.1 TWh.
The interconnector will have a length of 325 kilometres (202 miles), will consist of two parallel cables each with a diameter of 13 cm (5.1 in) and will include fiber-optic communication. On the Danish side the interconnector will reach 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 will be extended with 5 hectares (12 acres). The building itself will have 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.
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.
Construction contracts were signed with Siemens and Prysmian in 2016 and in June 2016 Prysmian subcontracted the marine survey for the cable placement to the Swedish marine survey provider MMT.
Onshore construction started in Denmark in October 2016 and in the Netherlands in January 2017.
COBRACable is expected to be operational from early 2019.
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