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.

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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 over 22,000 kilometres of high-voltage lines, we cross borders and connect countries.

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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.

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Transparency data

We provide transparency data on our operations on our Dutch and German transparency page and on ENTSO-E. 

To transparency pages

Download reports

TenneT is continuously looking for innovations and opportunities to improve the level of CSR. We report on our CSR performance yearly.

CSR documents TenneT

We report annually on our social and environmental impact. Most material information can be found in our annual reports. An explanation of our method of reporting (GRI Table, definition table), additional CSR data, Communication on Progress for UN Global Compact and an explanation of our true value reporting can be downloaded below.

CSR Reports TenneT

Our CSR reports are intergrated in the annual report. For the latest version please check


GRI table IAR 2016 (307 KB, pdf, 03/08/2017)

GRI table IAR 2016 Download Download
Additional CSR data 2016 (523 KB, pdf, 03/08/2017)

Additional CSR data 2016 Download Download
Definitions IAR and Green finance report (95 KB, pdf, 03/08/2017)

Definitions IAR and Green finance report Download Download
UNGC COP TenneT (140 KB, pdf, 03/08/2017)

UNGC COP TenneT Download Download
Case study Apeldoorn (210 KB, pdf, 03/08/2017)

Case study Apeldoorn Download Download
GRI Table integrated annual report 2015 (220 KB, pdf, 05/30/2016)

Category: CSR
GRI Table integrated annual report 2015 Download Download
Additional CSR data 2015 (309 KB, pdf, 05/30/2016)

Category: CSR
Additional CSR data 2015 Download Download
Definitions integrated annual report and green bond report 2015 (85 KB, pdf, 05/30/2016)

Category: CSR
Definitions integrated annual report and green bond report 2015 Download Download
Supplier Code of Conduct (116 KB, pdf, 05/30/2016)

Supplier Code of Conduct Download Download


Margriet Rouhof

CSR Officer

+31 26 37 31 591



For TenneT, Corporate Social Responsibility (CSR), is to create a sustainable future for all our internal and external stakeholders, since it stands for the social responsible business practices of a company balancing people, planet and profit.

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It is TenneT’s task to transport electricity safely, efficiently and with minimum impact on the environment. 

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It is TenneT’s job to guarantee the supply of electricity for its 41 million end-users.

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