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.

EU-funded PROMOTioN project delivers recommendations to overcome regulatory and financial barriers to realizing a North Sea Transmission Grid


Arnhem/Berlin, 6 November 2019. Countries around the North Sea need to implement a harmonized regulatory and economic framework to fully exploit the...

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TenneT and BMW: Right of way for green energy thanks to intelligent charging control of electric cars


  • Joint pilot project shows the potential of intelligent charging control for electric cars in supporting grid stability
  • Digital integration makes...

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Invitation for the supply of Reactive Power and the compensation of grid and cable losses 2020


TenneT TSO B.V. intends to launch the process for contracting Reactive Power for 2020, Supply electricity for the compensation of Grid losses 2020 and...

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TenneT officially commissions Randstad 380 kV North Ring


After five years of construction, the 60-kilometre-long Randstad 380 kV North Ring connection has been commissioned. This new 380 kV high-voltage...

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TenneT to invest an additional €215 mio in high voltage grid in the north of the Netherlands


TenneT is planning to invest an additional €215 million in connection capacity for two GigaWatts (GW) of solar and wind farms in the north of...

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Port of Rotterdam’s power grid can be reinforced more efficiently and at a lower cost


Over the next few decades, there will be a substantial increase in the demand for green and other electric power on the part of Rotterdam’s ...

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