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.

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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

Meet us


All press releases and updates.

TenneT awards land and sea station of grid connection project BorWin6 to international consortium

15/02/22 10:04:19 News

New consortium prevails: McDermott and GEIRI/C-EPRI win bid for converter stations at sea and on land / 980 megawatt grid connection - output of a large power plant / Record length of 190 kilometres…

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50Hertz and TenneT to jointly bring wind power from the North Sea into the extra-high voltage grid for the first time

17/01/22 07:49:53 News German

Cooperation agreement concluded on joint electricity hub and extra-high volt-age DC-line / Innovative multi-terminal hub planned in Schleswig-Holstein at the North Sea coast / Integration of four…

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German offshore share of total wind energy yield rises to almost 18 percent in 2021 In the Netherlands, almost twice as much wind energy was produced offshore as onshore

13/01/22 09:00:00 News

North Sea "wind harvest" becomes a stabilising factor in the low-wind year 2021 / TenneT welcomes plans of the Federal Minister of Economics to prioritise offshore expansion in the future in the…

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International dependency on security of electricity supply calls for more cross-border coordination

12/01/22 15:36:13 News

A further reduction in the capacity of gas and coal-fired power plants will result in a greater interdependence among countries in Northwestern Europe to meet their security of supply requirements in…

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Arina Freitag starts as TenneT's new CFO

04/01/22 10:00:00 News

Arina Freitag is the new Chief Financial Officer (CFO) of the European grid operator TenneT as if 1 January 2022. Arina was previously Managing Director of Flughafen Stuttgart GmbH. Freitag succeeds…

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Hollandse Kust (zuid) Alpha topside installed at the North Sea

28/12/21 12:16:16 News Project

The offshore transformer station of the Hollandse Kust (zuid) Alpha platform is successfully installed on the jacket in the North Sea, about 20 kilometers off the coast of The Hague, on Sunday…

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