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.

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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. 



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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Customer news

All market and customer related news.

Invitation for the supply electricity for the compensation of grid losses in 2017


TenneT TSO B.V. intends to launch the process for contracting one supplier for the supply of electricity for the compensation of gridlosses in 2017....

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EXPLORE Target model for exchange of frequency restoration reserves


Since the beginning of 2015 we, the TSOs of the EXPLORE countries – Austria, Belgium, Germany and the Netherlands – have been studying the...

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Update of the balance delta information on the TenneT website


TenneT expects to publish a new version of the webpage with balance delta information in November 2016. An extension is needed with the introduction...

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Invitation for the supply of Incident Reserve (mFRR) the first quarter of 2017


TenneT TSO B.V. intends to launch the process for contracting 175 MW Incident Reserve upward regulation and 100 MW Incident Reserve downward...

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Monthly figures (rolling annual total in GWh) for September 2016


Energy consumption, production, imports and exports for September 2016.

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Invitation for the supply of Control Power (aFRR) for the first quarter of 2017


TenneT TSO B.V. intends to launch the process for contracting 170 MW Control Power upward and 170 MW Control Power downward for the first quarter of...

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Our customers

Our customers include everyone connected to the high voltage electricity grid as well as the parties responsible for metering and programme responsible parties.

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Customer Relations Managers

Our Customer Relations Managers represent TenneT and act as a single point of contact for customers.

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Customer Care Centre

Our customers are important to us and we apply high standards to our customer service, which we constantly strive to improve.

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