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 23,000 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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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.

Flow-Based Methodology for CWE Market Coupling successfully launched


20 May 2015 – The project partners of the Flow-Based Market Coupling in Central Western Europe (CWE) are pleased to announce today’s successful launch...

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Invitation to potential suppliers of Guarantees of Origin


TenneT is voornemens om in week 48 te starten met het proces voor de inkoop van Garanties van Oorsprong van duurzame energie voor het vergroenen van...

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NordLink: Contract signed for subsea cable


Partners TenneT, Statnett and KfW sign contract with Nexans Norway for delivery of subsea cable for the part of the project which is in Norwegian...

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Waiver of Rights in relation to outstanding Perpetual Capital Securities


On 27 October 2015, Standard & Poor's Ratings Services (“S&P”) revised the equity content that they have assigned on several corporate hybrids...

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TenneT signs agreements for power transformers and GIS for Dutch offshore platforms


First framework agreements for infrastructure Dutch offshore wind farms

TenneT has signed framework agreements for the future supply of Gas Insulated...

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Standard and Poor's revised TenneT's hybrid equity content back to intermediate


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