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 over 22,500 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

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mFRRda documents

You will find here all documents related to manual Frequency Restoration Reserve directly activated (mFRRda) regarding System Operations Netherlands. You can download these documents per document or altogether (zip-file).

mFRRda documents

Product information mFRRda (327 KB, pdf, 11/16/2018)

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Leaflet mFRRda (358 KB, pdf, 08/28/2018)

(only available in Dutch)

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mFRRda for aggregators Implementation Documents (2 MB, zip, 08/28/2018)

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Prequalification process description FCR, aFRR, mFRRsa en mFRRda - For consulation (468 KB, pdf, 09/14/2018)

The period to send input to the consultation of this document has ended. Later, there will come an updated version of this document in which the remarks from the consultation have been considered. (Document is only available in Dutch).

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Services in the Netherlands

We are responsible for managing the transmission grid, connecting electricity producers to the grid, transporting electricity  and balancing the electricity supply with demand.

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Services in Germany

TenneT is the driving force behind the Energiewende, the transition to a sustainable energy supply in Germany.

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Security of supply

A secure and continuous supply of electricity is the key objective of our operations.

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