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.

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.

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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.

North Sea Wind Power Hub Consortium presents achievable solution to meet climate goals

09/07/19 12:00:00 Innovation

Studies prove that series of smaller 'energy islands' are most efficient Large scale offshore wind will play a major part in meeting climate goals on timeThe North Sea Wind Power Hub Consortium…

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Blockchain pilot reveals potential of decentralised home storage systems for tomorrow’s energy infrastructure

08/05/19 09:46:25 News Project Innovation

TenneT and sonnen complete a blockchain project that is unique in the world / The pilot project shows how decentralized home storage systems can be networked using blockchain technology to stabilise…

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Pilot project from TenneT and Daimler: Automobile battery storage systems stabilise the power grid

06/02/19 14:00:00 German Innovation

Transmission system operator TenneT and Daimler AG through its wholly owned subsidiary Mercedes-Benz Energy GmbH have researched and tested the feasibility of innovative system services in the…

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TenneT: continuing with Blockchain after successful pilots

29/01/19 07:44:48 Innovation

Blockchain enables large-scale access to decentralised flexibility TenneT to scale up blockchain projects Access to the energy market for individuals and smaller companies The energy transition…

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Balance maintenance with solar and wind energy, electric boilers and district heating

05/09/18 14:00:00 Innovation

TenneT will start investigating the options for offering local (sustainable) electricity generation capacity on the market for balance maintenance in the Dutch high-voltage grid (‘balance…

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innogy and TenneT investigate future connection to an international Wind Power Hub

13/06/18 08:30:00 News Innovation

innogy and Dutch TSO TenneT have signed a Letter of Intent to jointly investigate the opportunities and challenges of offshore wind cross-border interconnectors across the North Sea. The parties will…

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