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 23,500 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 42 million people.

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We are TenneT

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News Market

Invitation to potential suppliers of Guarantees of Origin

Downloads & Contact

TenneT shall tender the procurement of Guarantees of Origin of renewable energy sources to cover the electricity consumption of its Grids, substations and the Norned cable, in week 50 /51.

The Guarantees of Origin have to be issued by one of the officially appointed Issuing Bodies associated in the Association of Issuing Bodies (AIB) and . A total of 200.000 MWh of Guarantees of Origin shall be acquired from Dutch renewable energy installations, plus 1.330.000 MWh from outside The Netherlands, but still electrically connected to the central European grid. There are no requirements other than geographical origin and production date (after 1-1-2018).

Delivery by transfer of certificates to TenneT's CertiQ account needs to done Immediately after the award of the contract(s).

TenneT hereby invites interested parties to contact TenneT, on tendereenv(at)tennet.eu, to request the documentation.

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