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

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News News Corporate Financial

TenneT wins prestigious FD Henri Sijthoff prize for 2019 Annual Report

We are proud to announce that our 2019 Integrated Annual Report has won the prestigious FD Henri Sijthoff prize for outstanding financial reporting. 

Awarded every year by leading Dutch newspaper Het Financieele Dagblad, the Sijthoff prize is the highest recognition for financial reporting excellence in the Netherlands. It judges areas such as clarity of writing, transparency of information about the company, its strategy, corporate governance and corporate social responsibility.

“I’m thrilled that TenneT has won this prestigious prize. This is an important recognition of the outstanding work by our team. It was the third time we had been nominated, so it’s wonderful to win at last.

Congratulations to everyone involved, including our fellow nominees,’’ says Otto Jager, TenneT’s chief financial officer.

"As we are creating a brighter energy future for the benefit of everyone in Germany and the Netherlands, we want to tell our story as clearly as possible. We are proud to be able to regularly report about our people, our assets and our operations in a transparent way. Together we lighten the way ahead to a sustainable energy system.”

TenneT was one of three nominees in the non-listed companies category, along with NS and Triodos. Work has already begun on its 2020 Integrated Annual Report, which will be published in March 2021.

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