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 23,000 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


All press releases and updates.

Notification Home Member State


Read more

Green light for important electricity connection between Norway and Germany


  • Partners TenneT, Statnett, and KfW take final investment decision for NordLink, the first high-capacity power cable between Norway and Germany
  • First...

Read more

Investments TenneT for tomorrow's onshore and offshore electricity grid reach all-time high


Arnhem, The Netherlands – During 2015 TenneT delivered very high grid reliability again, in combination with a robust financial performance. Despite a...

Read more

Senate appoints TenneT as offshore grid operator


World first with presentation of standardized design for offshore platform for connecting North Sea wind farms to the onshore grid The Dutch Senate...

Read more

2000 megawatts (MW) of offshore transmission capacity realised in the German North Sea


  • With HelWin1 (576 MW) TenneT realises second large-category off-shore grid connection
  • Nearly one third of offshore expansion targets fulfilled

Read more

Monthly figures (rolling annual total in GWh) for February 2016


Read more


Please embedd our rss-feed with all our english news in your rss-reader.