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).

Explore our key tasks

Innovation

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

Read more
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 around 23,000 kilometres of high-voltage lines, we cross borders and connect countries.

Explore our grid

Grid maps

Maps of our onshore and offshore high-voltage grid.

To grid maps
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.

Explore the electricity market

Transparency data

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

To transparency pages
E-Insights

Our vision is to be one of the most transparent Transmission System Operators (TSO) in Europe and thereby creating value for society. In this Energy Insights section we present selected energy related topics and show data, information and valuable insights. 

E-Insights

E-Insights

Facts & figures related to TenneT facilitating the market can be found here.

Read more
Company

TenneT is a leading European electricity transmission system operator (TSO), with activities in the Netherlands and in Germany. We strive to ensure a reliable and uninterrupted supply of electricity in our high-voltage grid for some 41 million people.

Explore our company

We are TenneT

Meet us

BorWin3

160 kilometers long and 900 megawatt DC connection

Facts

Connection

  • 160 km long and 900 MW capacity
  • 30 km onshore cable
  • 130 km offshore cable

Grid connection point

  • converter station Emden/Ost

Status of project

  • initial operation planned for 2019

About the project

BorWin3 is the third project to be implemented by TenneT off the coast of Borkum using direct current technology in addition to the BorWin1 and BorWin2 grid connection projects. At the Emden/Ost site, TenneT set up a converter station with a transformer station to convert the energy generated at sea from direct current into three-phase current and feed it into the power grid from there. In total, a distance of 160 kilometers has to be bridged, whereby the wind power is first transported to Hamswehrum via a 130-kilometer long submarine cable to the west of Borkum and from there via a 30 kilometer long underground cable to Emden/East.

The foundation stone for the onshore converter station was laid in May 2016, and the station has been technically completed since 2018. The onshore cables were already laid in 2015, the last cable section was laid at sea in spring 2018. In September 2018, the offshore converter station manufactured in Dubai was transported to the North Sea and installed there in October (transport and installation in the blog). Since August 2019, the 900 MW DC connection has been ready to be fed into the grid.

Cornelia Junge

Press Referent - Project Communication Offshore

0049 (0)5132 89-2357