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. 

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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

Meet us

Doing business with TenneT

As a TenneT client, you can maintain contact with us in different ways: face-to-face and digital. Face-to-face contacts will be with one of our customer relations managers. Each of these managers is responsible for a specific region of the country or area of attention. You can also contact us at any time via the TenneT Customer Care Center.

Digital portal MyTenneT

TenneT also operates an online portal called My TenneT to enable you to take care of TenneT matters quickly and conveniently. The digital dashboard consists of various elements for connected parties and for Balance Responsible Parties and Metering Responsible Parties. It is accessible in Dutch and English versions via the TenneT website.

Obligations for connected parties

Connected parties are obliged by law to inform TenneT daily about their planned and their actual electricity production, consumption and transmission needs. This is necessary to maintain the balance in the high voltage grid: TenneT keeps electricity supply and demand in equilibrium, 24 hours a day, 365 days of the year. Connected parties may contractually assign these obligations to recognised parties if they wish.


Connecting to the Dutch high-voltage grid (1 MB, pdf, 21/06/19)

Connecting to the Dutch high-voltage grid Download Download
Request form 'Customer connection' (116 KB, pdf, 05/03/21)

Request form 'Customer connection' Download Download


Customer contact

Customer Care Center: For customers of TenneT Netherlands only.