Agreements for Dutch offshore grid

04.12.2015

Yesterday, the Dutch transmission system operator (TSO), TSC member TenneT, has signed framework agreements for five offshore platforms including 440MVA power transformers and both 66kV and 220kV gas insulated switchgear (GIS) systems. By the latest 2023, a total of 3,500 megawatts of new offshore wind energy is to be connected to the onshore high voltage grid.

> See TenneT Netherlands press release (html)

Picture using a publication by Grid Solutions, a General Electric and Alstom joint venture

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50Hertz launches Ostwind 1

19.08.2015

Yesterday, TSC member 50Hertz, one of the four German transmission system operators (TSOs), started the construction of the new Ostwind 1 offshore connection. The billion-euro project with a 93-kilometre cable route connecting the offshore wind farm in the Westlich Adlergrund Cluster (CWA) is 50Hertz’s largest investment so far.

> See 50Hertz press release (html)

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DolWin1 grid connection handed over

28.07.2015

Two thirds of Germany’s federal government’s expansion target achieved: TSC member TenneT, the Dutch-German transmission system operator (TSO), has brought DolWin1 into operation. The high voltage direct current (HVDC) transmission facility has a capacity of 800MW. The power line runs 75km as a subsea cable from the DolWin alpha converter station to the landfall point and another 90km as an underground cable to the converter station in Lower Saxony, Germany.

> See TenneT press release (html)

Graphic using a press picture by ABB

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TenneT completes offshore connection

22.06.2015

TSC member TenneT, the Dutch-German transmission system operator (TSO), has completed HelWin2, the fourth largest offshore grid connection with a capacity of 690 megawatts (MW) in the German part of the North Sea. Now TenneT has already realised more than half of the ambitious development plans to achieve offshore wind power capacities of up to 6.5 gigawatts by 2020. HelWin2 is the seventh offshore connection to go into operation for TenneT, five additional ones are currently under construction.

> See TenneT news (html)

Illustration based on a press picture by Siemens AG (www.siemens.com/presse).

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G7 ministers visit converter platform

13.05.2015

This Monday and Tuesday, the energy ministers and their representatives of Canada, France, Germany, Italy, Japan, the United Kingdom, and the United States met in Hamburg, Germany, to discuss possibilities to ensure long-term sustainable energy security. One of the items on the agenda was the visit of HelWin alpha converter platform in the North Sea, operated by the Dutch-German transmission system operator (TSO) TenneT.

See TenneT press release (html, in German)

See BMWi press release (html)

Image using a picture by BMWi / Maurice Weiss

 

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World’s largest offshore grid connection

25.04.2015

The Dutch-German transmission system operator (TSO) TenneT took SylWin1 into operation. SylWin1 is the world’s most powerful grid connection with a capacity of 864MW. The now-operational link around 70km west of the island of Sylt in the German North Sea connects three offshore wind facilities (“Butendiek”, “DanTysk” and “Sandbank”) with a generation capacity of 288MW each.

> See Siemens feature page (html)

Graphic using a press picture of Siemens AG

 

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