Our key tasks

We are primarily tasked with providing power transmission services, system services and facilitating the energy market. Our core tasks follow from our appointment as grid operator under the Dutch 'Elektriciteitswet' (E-wet) and the German 'Energiewirtschaftsgesetz' (EnWG).

 

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Innovation

TenneT presents Hub and Spoke concept for large scale wind energy on the North Sea.

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Our grid

TenneT manages the high-voltage grid in the Netherlands and large parts of Germany. TenneT transmits electricity at 110,000 volts (110 kV) and higher. With over 22,000 kilometres of high-voltage lines, we cross borders and connect countries.

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Grid maps

Maps of our onshore and offshore high-voltage grid.

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Electricity market

The energy sector is developing rapidly. The process of European market integration began some years ago. Its purpose is to create a single European market that enables market parties to trade gas and electricity across national borders easily and efficiently.

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Transparency data

We provide transparency data on our operations on our Dutch and German transparency page and on ENTSO-E. 

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DolWin3

900 MW grid connection for offshore wind farms

Facts

Connection

  • 160 km long and 900 MW capacity
  • 80 km onshore cable
  • 80 km offshore cable

Grid connection point

  • converterstation Dörpen West Germany

Status of project

  • commissioning planned for 2017

About the project

DolWin3

The Dolwin3 project establishes a 900 megawatt (MW) direct current (DC) grid connection for wind farms in the south-western part of the German North Sea. DolWin3 is the third grid connection project in the DolWin cluster. A high-voltage direct current (HVDC) transmission system line connects the offshore converter platform DolWin gamma with the corresponding onshore converter station in Dörpen/West. The offshore converter station is used to convert the alternating current (AC) generated by the connected wind farms into DC. The DC power runs via subsea and land cables to the converter station onshore, where it is re-converted into AC. This is also the grid junction point which makes the connection to the German transmission grid. The connection is expected to be completed in 2018.

Contact

Cornelia Junge

Pressereferentin - Projektkommunikation Offshore

0049 (0)5132 89-2357

Gallery

Project downloads

Factsheet DolWin3 (german) (426 KB, pdf, 06/01/2017)

160 Kilometer lange Gleichstromverbindung für Offshore-Windkraft

Factsheet DolWin3 (german) Download Download
Die Naturschutzprojekte von TenneT (german) (785 KB, pdf, 08/02/2016)

Aufwertung der Lebensräume von zahlreichen Pflanzen- und Tierarten

Category: Brochures
Die Naturschutzprojekte von TenneT (german) Download Download

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TenneT Offshore brochure

"Energie von See an Land" brochure about TenneT offshore projects and technology (german only)

Offshore projects in Germany

Our other german offshore projects.

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Media footage

Your way to our press footage.

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