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

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 42 million people.

Explore our company

We are TenneT

Meet us

Corporate governance

TenneT operates in accordance with a Corporate Governance Code which establishes certain business principles and 'best practices'. Together, these define a blueprint for good corporate governance which is in line with widely accepted views among government authorities, investors and the public at large.


Code of Conduct (4 MB, pdf, 08/26/2020)

Code of Conduct Download Download
Act of amendment to the articles of association of TenneT Holding B.V. (2018) (4 MB, pdf, 03/20/2018)

Act of amendment to the articles of association of TenneT Holding B.V. (2018) Download Download
Code of Conduct (4 MB, pdf, 07/03/2020)

Category: Governance
Code of Conduct Download Download
TenneT Safety Vision 2018 (192 KB, pdf, 05/23/2016)

TenneT Safety Vision 2018 Download Download
Whistleblower regulations (276 KB, pdf, 12/08/2017)

Category: Governance
Whistleblower regulations Download Download
Monitoring and Reporting System (31 KB, pdf, 05/23/2016)

Category: Governance
Monitoring and Reporting System Download Download
Audit Charter (70 KB, pdf, 04/19/2017)

Audit Charter Download Download