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).


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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 around 23,000 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.

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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. 

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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.

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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.

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We are TenneT

Meet us

People targets

We have long-term ambitions for society, diversity and safety, each of which is connected to a specific United Nations Sustainable Development Goal (SDG). The tables below show how our sustainable development is both transparent and measurable. Unless stated otherwise, the following tables show aggregated data for the Netherlands and Germany.


We address our stakeholders’ concerns by living up to our values - by being responsible, engaged and connected. We contribute to SDG 9 by delivering quality as well as reliable, sustainable and resilient infrastructure for all.

Status at the end of 2017Status at the end of 2016Status at the end of 2015
Number of public meetings and events conducted throughout the year756171188
Number of participants of public meetings and events~18,000N/A *)N/A *)
Customer satisfaction score in Germany **)94%N/A *)95%
Customer satisfaction score in the Netherlands **)N/A *)86%89%
Corporate reputation survey scoreGood to very goodN/A *)Good to very good

*) This KPI has not been measured in the given year.
**) Customers directly connected to our grid.

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We recognise diversity as a key contributor to our success as a high-performing organisation. Our diversity ambition contributes to SDG 5, which aims to deliver gender equality and empower all women and girls.

2023 targetStatus at the end of 2017
Gender KPIs:
Percentage of female executive and supervisory board members
Percentage of new female management hires (managers and senior managers)


Percentage of women among TenneT employees22%21%
Number of nationalities among TenneT employeesN/A37
Age of TenneT employees
< 20 years
20-30 years
30-40 years
40-50 years
50-60 years
> 60 years


Further information

‘N/A’ indicates that there is no target available in the given category.
TenneT strives for a diverse workforce with respect to nationality, age and gender. However, we decided to only set a quota for male/female ratio.

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Safety is our number one priority. Our safety ambition contributes to SDG 8 by providing fair employment rights and a safe working environment for all employees and contractors.

2020 targetStatus at the end of 2017
LTIF *)<12.5
TRIR **)N/A3.3

*) Lost Time Injury Frequency per one million working hours
**) Total Recordable Incident Rate per one million working hours

Further information

‘N/A’ indicates that there is no target available for TRIR. Even so, we publish this figure to enable an industry comparison. Our goal is to become a safety leader and have a proactive safety culture. As such, we strive for zero work-related incidents and accidents and an LTIF below 1. We also continuously strive to minimise our TRIR.

Read more about Safety at TenneT



We are committed to the environment, which means we minimise and compensate for our impact on the planet wherever possible.

Read more about our Planet Targets


We strive for an adequate return on invested capital as well as an affordable cost of electricity supply for society.

Read more about our Profit Targets