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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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. In doing so, we make every effort to meet our stakeholders' needs by being responsible, engaged and connected.

Facts & Figures

Our key tasks

System services

Continuously monitoring the electricity supply and maintaining the equilibrium between supply and demand.

Transmission services

Maintaining and managing the high-voltage grid (110 kV and higher) and investing in its infrastructure.

Facilitating the energy market

Facilitating the electricity market and promoting an integrated market for electricity in North West Europe.

We are TenneT

We are responsible

In the dynamic NWE electricity market, we offer society and businesses our full commitment to maintaining grid stability and enhancing the high-voltage infrastructure, enabling the large-scale use of renewables.

We are engaged

We are intrinsically driven by the technical, operational and societal challenges of the energy transformation and the pursuit of a NWE electricity market.

We are connected

Meeting the current and future needs of society, businesses and consumers requires a concerted effort of all stakeholders. We take initiative, are transparent and connect internally as well as externally.