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 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.

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 42 million people.

Explore our company

We are TenneT

Meet us

Corporate brochures

TenneT publishes a range corporate brochures to inform stakeholders on our activities and developments in the electricity sector.


TenneT Corporate Review 2018-2019 (5 MB, pdf, 13/05/19)

TenneT Today & TenneT Tomorrow

TenneT Corporate Review 2018-2019 Download Download
TenneT Corporate Review 2017-2018 (6 MB, pdf, 15/06/18)

TenneT Today & TenneT Tomorrow

TenneT Corporate Review 2017-2018 Download Download
TenneT Corporate Review 2016-2017 (3 MB, pdf, 26/07/17)

TenneT Today & TenneT Tomorrow

Category: Brochures
TenneT Corporate Review 2016-2017 Download Download
Living near High-Voltage installations (2 MB, pdf, 29/04/16)

What are electrical and magnetic fields? Do they pose a health hazard? Has the government imposed a maximum field strength? You will find our answers to frequently asked questions in this brochure and we also set out our policy on magnetic fields and explain how we deal with them in our everyday work.

Category: Brochures
Living near High-Voltage installations Download Download
Market Integration - Coupling of the European electricity markets (3 MB, pdf, 29/04/16)

TenneT’s view of market integration in Europe

Category: Brochures
Market Integration - Coupling of the European electricity markets Download Download
Overhead line monitoring (629 KB, pdf, 29/04/16)

Category: Brochures
Overhead line monitoring Download Download
The Wintrack Pylon (1 MB, pdf, 29/04/16)

An innovative solution for new high-voltage lines

Category: Brochures
The Wintrack Pylon Download Download
Connecting to the Dutch high-voltage grid (1 MB, pdf, 21/06/19)

Connecting to the Dutch high-voltage grid Download Download