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

Customer news

All market and customer related news.

Monthly figures (rolling annual total in GWh) for December 2018


Energy consumption, production, imports and exports for December 2018.

Read more

Dutch grid operators launch GOPACS: a smart solution to reduce congestion in the electricity grid


Grid operators TenneT, Stedin, Liander, Enexis  Groep and Westland Infra are working together on GOPACS. This new platform is now launched. It is an...

Read more

Monthly figures (rolling annual total in GWh) for November 2018


Energy consumption, production, imports and exports for November 2018.

Read more

Invitation to potential suppliers of Guarantees of Origin


TenneT shall tender the procurement of Guarantees of Origin of renewable energy sources to cover the electricity consumption of its Grids, substations...

Read more

Monthly figures (rolling annual total in GWh) for October 2018


Energy consumption, production, imports and exports for October 2018.

Read more

Monthly figures (rolling annual total in GWh) for September 2018


Energy consumption, production, imports and exports for September 2018.

Read more


Our customers

Our customers include everyone connected to the high voltage electricity grid as well as the parties responsible for metering and programme responsible parties.

Read more

Customer Relations Managers

Our Customer Relations Managers represent TenneT and act as a single point of contact for customers.

Read more

Customer Care Centre

Our customers are important to us and we apply high standards to our customer service, which we constantly strive to improve.

Read more