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. 

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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.

New cost-efficient power cable represents world first for TenneT


  • New cable design to be immediately applied in Randstad 380 kV North Ring project
  • Cost reduction achieved by using aluminium core instead of...

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TenneT concludes contracts with Prysmian and Siemens for construction of ‘green’ subsea cable between Netherlands and Denmark


Dutch Transmission System Operator (TSO) TenneT and its Danish counterpart Energinet.dk have signed contracts with Siemens and Prysmian for the...

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Royal glamour for NordLink


Dutch royal couple attends contract signing with contractor for NordLink converter and cable construction

  • Partners TenneT, Statnett and KfW sign...

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TenneT invests in security of supply and energy transition


  • TenneT invested EUR 2.3 billion in 2014; investment plan for next ten years totals approx. EUR 20 billion.
  • Underlying operating result (EBIT)...

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TenneT opens cable storage facility at Eemshaven


Today TenneT marked the official opening of a special cable storage facility in Eemshaven, the Netherlands. The facility provides 2.309 m² of floor...

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Announcement Annual Results 2015 and Annual Report 2015


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