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 around 23,000 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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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.

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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.

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We are TenneT

Meet us

International connections

Overview of our international connections.

Doetinchem - Wesel 380 kV

With four connections with Germany, two with Belgium, one with Norway and one with the England, the Dutch electricity network is an important link in the North European electricity grid. The new line...

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Conneforde-Cloppenburg-Merzen

TenneT is actively realizing the energy transition at the local level. Together with the transmission system operator Amprion, we are expanding the grid between Conneforde (Ammerland district) and...

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Altenfeld-Redwitz

An important milestone was achieved with the partial commissioning of the 380 kV Altenfeld-Redwitz line in December 2015! See the for detailed information on Altenfeld-Redwitz Offshore Projects...

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Dörpen West - Niederrhein

To bring the increasing quantities of energy from offshore and onshore wind farms from the north to the south, a new power line roughly 165 kilometres in length is being built from the Dörpen West...

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Wilhelmshaven-Conneforde

The new construction of the 380 kV extra high voltage line serves for the expansion of the transmission grid between the new transformer substation in the Wilhelmshaven district of Fedderwarden and...

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Hamburg/Nord-Dollern

The existing line between the transformer substations of Hamburg/Nord in Schleswig-Holstein and Dollern in Lower Saxony is being replaced and expanded. Increasing quantities of wind energy are...

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