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

Safety Culture Ladder - Promotional page

TenneT uses the Safety Culture Ladder (SCL) as a tool to increase safety awareness and enhance safety culture. Not only within our own organisation but also for our contractors. The Safety Culture Ladder is a requirement in a tender as described in the 'Safety by Contractor Management' program.



Verschillende ervaringen met quotes

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Besides the Safety Culture Ladder-certification, TenneT stimulates contractors to acquire and fill out the Self-Assessment Questionnaire (SAQ) and/or to execute a Reference Audit (SAQ+).

The Safety Culture Ladder is hosted by the NEN. The NEN is the Dutch standardisation institute. TenneT forms a partnership with the NEN for further development of the Safety Culture Ladder (internationally). Therefor all material can be found on the website hosted by the NEN: safetycultureladder.org. In case of questions, please contact us via safety(at)tennet.eu or use the form below.

Meer informatie

Website NEN

Safety ladder

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Brochure Safety Culture Ladder (498 KB, pdf, 08/28/2018)

Brochure Safety Culture Ladder Download Download