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).

Explore our key tasks


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.

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, Örsted, Uniper: More offshore wind power for the decarbonization of Germany as an industrial location

20/09/21 15:04:35 News German

Both partners are receiving further support from the transmission system operator TenneT Both partners are receiving further support from the transmission system operator TenneT Uniper, one of…

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EIB finances TenneT electricity transmission corridor in the Netherlands, supporting renewable energy production

16/09/21 13:00:00

• EIB signs a EUR 250 million loan agreement with TenneT to fina nce the 40km high voltage electricity transmission corridor in the North of the Netherlands between Eemshaven and Vierverlaten, as…

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TenneT expects structural congestion, as referred to in Article 9.5 of the Electricity Grid Code, in the 150kV grid in Flevoland and Gelderland during the period 2021-2029

02/09/21 07:30:00 Congestie

The expected congestion is caused by the rapid growth of solar and wind production in the grid of the regional grid operator (Liander) and in TenneT's grid. The resulting higher transport demand…

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Underwater robot laying cables successfully crossed the Rotterdam Maasmond to connect Hollandse Kust (zuid)

02/08/21 08:00:00 Project Dutch

North of the Maasvlakte, TenneT is developing the Hollandse Kust (zuid) offshore grid for the connection of new wind farms. Four offshore cables will be buried in the North Sea bed. For the first ten…

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Arina Freitag to become TenneT's new CFO

02/08/21 07:30:30 News

The Supervisory Board of TenneT Holding B.V. has appointed Arina Freitag as chief financial officer (CFO) of TenneT, the European grid operator whose main activities are in the Netherlands and large…

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TenneT delivering on projects enabling the energy transition with record green financing in first half of 2021

29/07/21 19:47:55 News

TenneT invested EUR 1,615 million in the Dutch and German high-voltage grids in the first half of 2021, a 14.7% increase compared to the first half of 2020 (EUR 1,408 million). Underlying operating…

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