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.

2000 megawatts (MW) of offshore transmission capacity realised in the German North Sea


  • With HelWin1 (576 MW) TenneT realises second large-category off-shore grid connection
  • Nearly one third of offshore expansion targets fulfilled

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Monthly figures (rolling annual total in GWh) for February 2016


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Electricity Market Green Paper: TenneT proposal for structure of capacity reserve


  • Study describes specific structure of a capacity reserve ('safety net') as final safe-guard against possible supply congestions for the first time.
  • Ele...

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TenneT to support development of flexible energy trading platform for private sector


  • Energy Trading Platform Amsterdam (ETPA) to go live in April 2016
  • ETPA will provide access to flexible capacity to help maintain balance in...

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Monthly figures (rolling annual total in GWh) for March 2016


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Flow-based methodology for CWE market coupling succesfully launched


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