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.

Read more
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 over 22,500 kilometres of high-voltage lines, we cross borders and connect countries.

Explore our grid

Grid maps

Maps of our onshore and offshore high-voltage grid.

To grid maps
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.

Read more

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.

Explore our company

We are TenneT

Meet us


TenneT was prominently present at the WindEurope Conference and Exhibition 2017 which took place from 28 - 30 November 2017 in the RAI in Amsterdam. At our stand you could experience a 'live' visit to TenneT’s Helwin alpha offshore converter platform - including a realistic helicopter flight and landing on the platform.

On the first day CEO Mel Kroon was a keynote speaker during the WindEurope press conference and the North Seas Energy Forum highlighting among other things future concepts for the Dutch offshore grid. And 29 November, offshore director Wilfied Breuer gave a highlight on our view on storage.

Keynotes Mel Kroon

Mel Kroon presented on the first day of the conference his Key Notes: Offshore Wind: a far-reaching cross border cooperation. Download here the Key Notes of Mel Kroon.

Have a look at the website of the conference.