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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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 42 million people.

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We are TenneT

Meet us


All press releases and updates.

National Grid and TenneT to jointly develop vision to link offshore wind farms to Britain and the Netherlands

09/22/2020 04:26:00 PM News Innovation

National Grid Ventures, the commercial development arm of National Grid plc, and Dutch Transmission System Operator TenneT have today (22 Sept), announced a cooperation agreement to explore the…

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TenneT TSO B.V. intends to launch the process for contracting Reactive Power for 2021

09/04/2020 01:32:20 PM News Project Innovation

TenneT hereby invites potential suppliers to express their interest in the process for contracting Reactive Power for 2021 TenneT hereby invites potential suppliers to express their interest in the…

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The FCR cooperation reaches the next milestone in the development of the largest FCR market in Europe

06/30/2020 10:30:00 PM News Market Innovation

The daily D-1 auctions for FCR with 4-hour products started successfully. 50Hertz, Amprion, APG, Elia, RTE, Swissgrid, TenneT, TransnetBW announce the successful first frequency containment reserve…

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Equigy platform gives European consumers access to tomorrow's sustainable energy market

04/23/2020 09:35:00 AM News Innovation

- TSOs TenneT, Swissgrid and Terna are developing a European blockchain platform. - Batteries from millions of households will stabilise the electricity grid in the future. - Important innovation…

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TenneT develops innovative submarine cable with suppliers

04/20/2020 08:20:10 AM News Innovation

Forty percent of the Netherlands’ electricity will come from offshore wind farms by 2030. TenneT will realise the grid connections for these wind farms. Alongside the eight 0.7 Gigawatts (GW) AC grid…

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Sail out power socket to the Borssele wind energy area

03/31/2020 10:51:54 AM News Innovation

A crane vessel will place the topside on top of the substructure (jacket) in this week. The superstructure (topside) consists of three interior levels (main deck, utility deck, control deck) and an…

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