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 over 22,000 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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Explore our projects in Germany and the Netherlands.


900 MW grid connection for offshore wind farms 66 33 Onshore Projects Germany Our onshore Projects in Germany Onshore projects Netherlands Our Onshore projects Netherlands International...

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HVDC connection between Sachsen-Anhalt and Bavaria See the for detailed information on SuedOstLink About the project More information The energy transition which Germany has decided on is being...

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TenneT and Energinet.dk – the operators of the Dutch and Danish high-voltage electricity grids – are installing a high-voltage direct current submarine cable that will interconnect the electricity...

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The first direct connection between power markets in Germany and Norway. Dr. Robert Habeck (Minister for Energy Transition in Schleswig-Holstein) about the...

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Net op zee Hollandse Kust (zuid)

12/15/2017 11:26:44 AM Offshore Project Dutch project

The future grid connection 'Hollandse Kust (zuid)' consists of two connections of 1,400 megawatts (MW) in total. The connections will be operational in respectably 2021 and 2022. From the platforms...

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Ganderkesee-St. Hülfe

TenneT is planning a new 380 kV line between the Ganderkesee and St. Hülfe bei Diepholz transformer substations About the project On March 31, 2016, the Lower Saxony road construction and...

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