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 23,500 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. 

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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 42 million people.

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We are TenneT

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Information with market relevances

Scheduled and unscheduled outages in the network of TenneT and further information with potential market relevance

Here you can find information on scheduled and unscheduled outages of grid elements in the transmission grid of TenneT TSO GmbH with potential market relevance as well as restrictions of capacities of offshore grid infrastructure by reason of scheduled and unscheduled outages.

The scheduled outages are based on the current preliminary operational planning for the year. Both the grid element affected by the deactivation and the scheduled period of non-availability are listed. In case of postponement the scheduled period will be updated. In addition the control areas are listed, which are potentially affected by the non-availability. The impact of planned outages on cross-border transmission capacity is included in published NTC data.

TenneT cannot guarantee that the scheduled outages are actually effected as published. It is incumbent upon the data user to evaluate whether scheduled and unscheduled outages are relevant to the market or not.

TenneT publishes further information about occurencies with potential market relevance within the transmission grid of TenneT. The assessment of marketrelevant effects will be incumbent on the user of the data.

We offer our visitors different webfeeds. For example, the RSS feed (human readable) can easily be integrated into your Outlook application. You only have to copy the link / address of the RSS feed to the clipboard and insert it in your Outlook under RSS feeds. Then you will be automatically informed about updates.

Information with market relevances - Offshore

Scheduled and unscheduled outages in the network of TenneT and further information with potential market relevance

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Information with market relevances - Onshore

Scheduled and unscheduled outages in the network of TenneT and further information with potential market relevance

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