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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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. 

To transparency pages

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. 



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

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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


All press releases and updates.

Third regional generation adequacy assessment report published


This report provides the main findings of the third edition of the Pentalateral Generation Adequacy Assessment (PLEF GAA 3.0). 

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TenneT supports steps towards possible German State participation in TenneT


Holding on to the advantages of a one, cross border TenneT

In a letter to the Dutch Lower House of Parliament (19 May 2020), Finance Minister...

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Publicaties congestieonderzoeken 14 mei door Liander


Liander heeft op 14 mei nieuwe vooraankondigingen en uitkomsten voor congestiemanagementonderzoeken gepubliceerd voor congestiegebieden in Friesland...

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TenneT is ready for European energy transition with new leadership team


With the appointment of six (Associate) Directors from outside the company, TenneT has completed its new, 22-strong, senior leadership team. Together...

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SuedOstLink: First award of contract for plastic-insulated underground cable for 525 kilovolts


  • 50Hertz and TenneT project reaches important milestone
  • NKT and Prysmian receive major order for around 1,000 kilometres of underground cables

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Equigy platform gives European consumers access to tomorrow's sustainable energy market


  • TSOs TenneT, Swissgrid and Terna are developing a European blockchain platform.
  • Batteries from millions of households will stabilise the electricity...

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