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 24,500 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.

TenneT develops innovative submarine cable with suppliers

20/04/20 08:20:10 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

31/03/20 10:51:54 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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Deep Dig-It Trencher buries cables more than 5 metres below the seabed to connect offshore wind farms

03/03/20 11:51:00 News Innovation

Rotterdam, 6 March 2020 - TenneT is building the Hollandse Kust (South) offshore grid to the north of the Maasvlakte, to connect new wind farms. Four cables will have to be routed into the North Sea…

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Grid balancing with horticulturists, electric boilers and car batteries enabled by TenneT's mobile network in pilot project

25/02/20 14:40:00 News Innovation Congestie

TenneT is investigating the possibility of using decentralised (sustainable) electrical power to participate in the market to balance supply and demand on the Dutch high voltage grid. This is the…

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“MIGRATE” research project takes stock after four years

11/12/19 11:37:10 German Innovation

The focus: Integrating renewables into a stable, future-proof transmission system grid / Different approaches for the power grid of the future The focus: Integrating renewables into a stable,…

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TenneT and BMW: Right of way for green energy thanks to intelligent charging control of electric cars

07/11/19 08:00:00 News Project German Innovation

Joint pilot project shows the potential of intelligent charging control for electric cars in supporting grid stability / Digital integration makes electromobility an important component of the energy…

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