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 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.

Explore the electricity market

Transparency data

We provide transparency data on our operations on our Dutch and German transparency page and on ENTSO-E. 

To transparency pages

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


All press releases and updates.

Europe's first blockchain project to stabilize the power grid launches: TenneT and sonnen expect results in 2018

02/11/17 13:36:49 German Innovation

TenneT uses decentralized home energy storage systems networked via blockchain technology to stabilize the power grid / First flexible use of energy storage provided by sonnen to stabilize the power…

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Roofing ceremony for NordLink converter building The green direct current connection between Germany and Norway is now becoming visible

06/10/17 08:46:45 Project German

Key project for the energy transition and integration of the European energy market / Exchange between German wind energy and Norwegian hydropower Key project for the energy transition and…

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TenneT transfers approximately 7.77 terawatt hours of wind energy from the North Sea to the shore in the first half of 2017

28/08/17 09:22:20 German

North Sea ‘wind harvest’ in the first half of 2017 exceeds the first half of 2016 by 50% North Sea ‘wind harvest’ in the first half of 2017 exceeds the first half of 2016 by 50% North Sea wind…

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NordLink: Launch of laying the ‘green link’

01/08/17 15:01:32 News Project German

First few kilometres laid on the seabed in the Norwegian Vollesfjord - cable lay vessel is heading for Germany / Construction of the direct current connection for the exchange of renewable energy…

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Capacity on Germany-Denmark West border will increase to 1100 MW

14/06/17 13:35:45 German

Bayreuth/Germany, Fredericia/Denmark; 14 June 2017. Today, the German and the Danish transmission system operators TenneT and Energinet welcomed a joint declaration between the German ministry of…

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TenneT switches DolWin2 offshore grid connection significantly earlier

13/01/17 10:33:51 Project German

Significant optimisation of the repair processes and work acceleration have further reduced the anticipated switch-off / Re-connection has already taken place on 8 January 2017 Significant…

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