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
News Financial Corporate

TenneT issues EUR 1.25 billion of Green Bonds

Downloads & Contact
  • Market provides TenneT again with long-dated bonds supported by a sizeable order book of around EUR 2.5 billion
  • TenneT has for the first time added two Dutch offshore projects (Borssele Alpha and Borssele Beta) to its Green Bond portfolio including so far nine offshore projects in Germany
  • TenneT is the largest (corporate) issuer in the Netherlands of green debt with a total of  EUR 6.25 billion of green issuances 

TenneT Holding B.V. (rated A3/A-) successfully launched and priced another Green Bond issue under its green bond program of EUR 1.25 billion, split in two tranches of EUR 500 million (term: 10 years, coupon 1.375%) and EUR 750 million (term: 16 years, coupon 2.00%) with the support of five banks: BNP Paribas, Deutsche Bank, ING Bank, Lloyds and Rabobank.

Investing in green energy

TenneT’s investments in offshore and onshore grid connections across the Netherlands and Germany are expected to total EUR 28 billion over the next 10 years.

In the period up to 2019, TenneT is realizing over 7,000 megawatts (MW) of connection capacity for offshore wind farms in the German sector of the North Sea, transmitting electricity equivalent to the annual power consumption of approx. 10 million households. By 2023, TenneT expects to have realized 3,500 MW of connection capacity in the Dutch sector of the North Sea, corresponding to the annual power consumption of close to 5 million households.

Share this:

Do you want to know more?

Jeroen Dicker

Senior Manager Treasury

+31 (0)26 373 26 56


Do you want to stay informed?

Like the

facebook page

Go to Facebook page