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 24,500 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.

To Offshore Outlook 2050
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.

Explore the electricity market

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

Meet us


All press releases and updates.

TenneT and Nuon to realize ‘black start’ facility for northern Netherlands

23/05/16 09:00:00 Project Dutch

TenneT and Nuon have concluded an agreement for the realization of a so-called ‘black start’ facility at Nuon’s Magnum power plant in Eemshaven in the north of the Netherlands. The facility will…

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Senate appoints TenneT as offshore grid operator

22/03/16 09:47:00 News Project Dutch

World first with presentation of standardized design for offshore platform for connecting North Sea wind farms to the onshore grid The Dutch Senate has confirmed TenneT’s role as the developer and…

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Notification Home Member State

25/02/16 10:08:00 Dutch

In consequence of the amendments to the Law on Financial Supervision starting on Feb 27 2016, TenneT will fall under financial supervision in the Netherlands. In consequence of the amendments to the…

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Announcement Annual Results 2015 and Annual Report 2015

16/02/16 10:19:00 German Dutch

On March 8, TenneT publishes its annual results and integrated annual report for the year 2015. On that day also a press conference is scheduled. Interested journalists are welcome and can…

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TenneT opens cable storage facility at Eemshaven

02/02/16 10:21:00 Project Dutch

Today TenneT marked the official opening of a special cable storage facility in Eemshaven, the Netherlands. The facility provides 2.309 m² of floor space, enabling the storage of up to 4,600 tonnes…

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New cost-efficient power cable represents world first for TenneT

26/01/16 10:33:00 Project Dutch

New cable design to be immediately applied in Randstad 380 kV North Ring project Cost reduction achieved by using aluminium core instead of traditional copper core Cable's useful life and…

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