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 22,000 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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German market

The transition to a sustainable energy future is fundamentally changing the way the market is organised.

Services in the German electricity market


The EEG and the KWKG are the primary energy policy instruments for the support of electricity generation from renewable energy sources and electricity generation with joint thermal use in Germany.

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Grid charges

Prices and regulations for using the electricity grid of TenneT TSO GmbH

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Congestion management

The single European electricity market is constantly developing.

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Balance groups

The energy-related processing of the trading, distribution and grid activities is performed via a balance group.

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On this page you can find the formulars that you may need as a customer (e.g. person responsible for balancing group or energy supply company) in collaboration with TenneT TSO GmbH, in German.

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Also interesting

Grid customers

TenneT is interested in safe as well as fair access to the maximum voltage grid for all market participants. To make sure that reliable grid operation is not compromised, all grid subscribers must meet minimum requirements with their plants.

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German market procedures

In the context of role models, roles and domains have been created which are typically used in the Internal European Energy Market. The final goal is to facilitate communication between the partners in the market.

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TenneT Transparency Germany

We make our business transparent. Under Publications, you will find a great deal of information and data on the operation of the extra high voltage grid - our key task.

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