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).

Explore our key tasks


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.

Explore our grid

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.

Explore the electricity market

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.

50Hertz and TenneT test Equigy Blockchain Platform for congestion management processes involving household systems

09/12/20 11:00:34 News Innovation

Bayreuth/Berlin, 3 December 2020 – The two transmission system operators 50Hertz and TenneT will jointly launch sustainable concepts in Germany to integrate small decentralised generators and storage…

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TenneT starts Trial Operation of NordLink

08/12/20 12:05:48 News Project

The Green Cable is now integrated into the European electricity market / The completion of the electricity link to exchange Norwegian hydro and German wind power is scheduled for spring 2021 /…

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First steel cut for the offshore platform DolWin epsilon in Singapore - DolWin5 grid connection reaches important milestone

03/12/20 10:39:14 News Project Offshore Project

Start of construction for 11th direct current converter platform / Grid connection project with 900 megawatt capacity as a contribution to the energy transition / Completion of DolWin5 planned for…

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Update repairs COBRAcable

27/11/20 15:07:03 News Project

The COBRAcable is a 325 km long submarine direct current (interconnector) that directly connects the Dutch and Danish electricity networks since 2019. The cable allows import and export of renewable…

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“Greener” purchasing: TenneT and six other European transmission system operators make an appeal to suppliers

23/11/20 08:46:37 News

Open letter calls for switch to sustainable products and solutions / A clear signal encouraging the market to deliver more environmentally friendly products Open letter calls for switch to…

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TenneT-CEO Manon van Beek welcomes Offshore Strategy of the European Commission

19/11/20 16:16:35 News Offshore Project

“We have no time to lose” – Comprehensive framework for international offshore energy projects is needed as soon as possible / TenneT contributes its expertise and sets new offshore standards…

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