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).


Explore our key tasks


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 22,500 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. 


Energy transition

Wind turbines and solar panels are the physical signs of consumers’ growing desire for clean, renewable energy.

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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

Privacy Policy

When you visit this website, TenneT may process any data that you enter on questionnaires or in other sections of the website. When processing these data, TenneT guarantees and respects your privacy by complying with the provisions of the Netherlands Personal Data Protection Act (Wet bescherming persoonsgegevens) and other applicable laws and regulations.

Responsible disclosure

At our company we take Safety and Security very seriously. We take care of our systems, but despite that certain vulnerabilities or weak spots might exist. If you find a weak spot in our systems we hope to hear from you as soon as possible, so that we can take adequate measures. For this purpose you can use the responsible disclosure form which is available at privacy.tennet.eu.

Google Analytics

We use Google Analytics to evaluate how visitors use the website(s). The information obtained – including your computer's IP address – will be passed on to Google, who will save it on servers based in the USA. For further information, you can consult Google's general privacy policy.

Google will use this information to assess how our website is used and to provide us with reports about the website. Google can pass this information on to third parties if required by law or in the event that these third parties are responsible for processing the information on Google's behalf. This matter is beyond our control. We have not permitted Google to use the analytics data for other Google services.

During the set-up of Google Analytics, we implemented the following measures:

  • The 'Share Data' options of Google Analytics are turned off.
  • A processor's agreement has been signed.

If you do not want Google Analytics to be used, you can download and install the 'Google Analytics Opt-out Browser add-on'. This add-on can be downloaded from the Google website.

Data processing

TenneT collects and processes information on visitors of this website with a view to improving the efficiency and effectiveness of its operations, and to monitor whether this website meets the requirements of TenneT’s business relations. In particular, this data processing is aimed at:

  • providing information on products and services of TenneT and related third parties and conducting other promotional activities
  • performing data analyses for statistical purposes

The information you submit via this website may also be used to inform you about the content of this website and any changes concerning its use. Naturally, your personal details will not be sold or put at the disposal of third parties that are not subsidiaries of TenneT or otherwise related to TenneT.

Use of cookies

In order to improve and accelerate the performance of this website and adjust it to your preferences, certain data are collected on your usage of the website. This is done by making use of so called ‘cookies’, i.e. small text files that are automatically placed on your computer by the web page you visit. You can disable the use of cookies by changing the appropriate settings in your browser. However, this will affect the proper performance of this website, in particular the performance of the Newsletter section.

Websites of third parties

This privacy statement is not applicable to websites of third parties that can be visited through links on this website.


If you have any questions about this privacy statement and/or TenneT’s handling of your personal details, please feel free to contact us.