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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Offshore Outlook 2050

Already by 2030, the originally planned capacity of 15 gigawatts of offshore wind energy will increase to 20 GW.

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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. 

To transparency pages

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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Customer news

All market and customer related news.

TenneT starts expansion of the Meeden-Diele interconnector between the Netherlands and Germany


The capacity expansion of the existing electricity connection between Meeden (the Netherlands) and Diele (Germany) as announced by TenneT is...

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Invitation for the supply of Incident Reserve (R3) Q3 2016


TenneT TSO B.V. intends to launch the process for contracting Incident Reserve (R3) for Q3 2016.

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TenneT collaborates with SMA for better solar power feed-in-predictions


The transmission grid operator TenneT SMA and Solar Technology AG (SMA) have recently signed a contract for the provision of current performance data...

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New step in linking European electricity markets


Start of the joint procurement of primary control power in the Netherlands, Germany, Austria and Switzerland

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Flow-based methodology for CWE market coupling succesfully launched


The project partners of the Flow-Based Market Coupling in Central Western Europe (CWE) (Amprion, APX, Belpex, Creos, Elia, EPEX SPOT, RTE, TenneT en...

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Invitation for the market consultation regarding the supply of a black-start facility in the south of the Netherlands


TenneT has been appointed grid operator of the national high voltage grid. As such, TenneT is tasked among other activities with coordinating the...

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Our customers

Our customers include everyone connected to the high voltage electricity grid as well as the parties responsible for metering and programme responsible parties.

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Customer Relations Managers

Our Customer Relations Managers represent TenneT and act as a single point of contact for customers.

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Customer Care Centre

Our customers are important to us and we apply high standards to our customer service, which we constantly strive to improve.

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