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 22,500 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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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 41 million people.

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We are TenneT

Meet us


All press releases and updates.

Gasunie, TenneT and Thyssengas reveal detailed, green ‘sector coupling’ plans using power-to-gas technology

10/16/2018 01:56:52 PM News German

The electricity and gas grid operators are planning to build a 100-MW power-to-gas plant in Lower Saxony / These new facilities are intended to couple the energy, transport and industrial sectors...

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Reactive Power 2019

10/16/2018 07:56:39 AM News Market

TenneT TSO B.V. intends to launch the process for contracting Reactive Power for 2019, Supply electricity for the compensation of Gridlosses 2019 and Compensation of Cable losses 2019. TenneT TSO...

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Electricity plant in port of Rotterdam ready to act as the 'starter motor of the south'

10/04/2018 01:34:03 PM Dutch

A recovery facility for the high-voltage grid has been put into operation at the gas-fuelled Enecogen electricity plant in the port of Rotterdam. This facility – equivalent to an enormous emergency...

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Germany and Austria: Congestion management successfully launched

10/01/2018 07:44:34 AM German

Berlin, Bayreuth, Dortmund, Stuttgart, 1 October 2018. Today, congestion manage-ment for electricity trading at the German-Austrian border launched punctually and successfully. At the behest of the...

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German transmission system operators to charge national net-work fees for the first time

09/27/2018 11:01:13 AM German

As of 2019, network charges for the four German transmission system operators, 50Hertz, Amprion, TenneT and TransnetBW, are to include a nation-wide network fee component for the first time. As of...

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Go Live of congestion management on the German-Austrian Bidding Zone Border (DE-AT BZB) on 1st of October 2018

09/10/2018 11:26:43 AM News Market

All relevant governance bodies – of Transmission System Operators and Nominated Electricity Market Operators (NEMOs) - have confirmed go live for the congestion management scheme at the border...

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