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


All press releases and updates.

3,650-tonne power socket ready for sea voyage to the Borssele wind energy area


Grid transformer platform to be sailed out to sea on 22 March 2020.

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Uitkomst congestiemanagementonderzoek Neerijnen


Liander heeft op 10 maart 2020 de uitkomst van het congestiemanagement onderzoek voor Neerijnen gepubliceerd. De uitkomst hiervan was positief en...

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COVID-19: Safety, health and security of supply priorities at TenneT


As a company responsible for critical infrastructure, TenneT takes the risks posed by COVID-19 (‘corona virus’) very seriously

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TenneT preparing to meet European energy system challenges


TenneT's efforts to drive the energy transition, one of its strategic priorities, are increasingly focused on innovation, optimisation of the current...

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Uitkomst onderzoek congestiemanagement Oosterwolde


In de omgeving van 110 kV onderstation Oosterwolde in Friesland is sprake van een grote toename van gevraagd vermogen voor teruglevering. Die vraag is...

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Congestie Gelderland en Noord-Holland


Liander heeft op 5 maart weer nieuwe vooraankondigingen en uitkomsten voor congestiemanagement onderzoeken gepubliceerd voor congestiegebieden in...

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