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 24,500 kilometres of high-voltage lines, we cross borders and connect countries.

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Offshore Outlook 2050

Already by 2030, the originally planned capacity of 15 gigawatts of offshore wind energy will increase to 20 GW.

To Offshore Outlook 2050
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 42 million people.

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We are TenneT

Meet us

Congestion management with renewables and CHP plants

TenneT publishes reports on its congestion management with renewables and CHP plants


All particulars and information published here were researched and verified by TenneT to the best of its knowledge. TenneT assumes no liability or guarantee for the accuracy, completeness, and timeliness.  Should this be necessary for the purpose of making corrections, TenneT reserves the right to make changes to the provided information without prior notice. TenneT is not liable for damages of any kind that arise on the basis of or in connection with information that is made available on this Internet page. A part of the data published here is provided on the foundation of statutory disclosure obligations. Furthermore, TenneT provides additional data on a voluntary basis, among others for the billing process.

RSS Feed

We are offering different webfeeds to our users. The RSS-Feed named "human readable" can be embedded easily into your Outlook application. Just copy the RSS feed URL and paste it into your Outlook RSS-Feeds. So you are informed automatically and will not miss our updates.

Contact to congestion management with renewables and CHP plants

Operation report

TenneT publishes reports on its congestion management with renewables and CHP plants.

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Information on congestion management levels

of renewable energy assets in the TenneT grid

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