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 over 22,500 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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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 41 million people.

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We are TenneT

Meet us

We are TenneT

We strive to ensure a reliable and uninterrupted supply of electricity
in our high-voltage grid for some 41 million people.

Meet us
Our grid

We are constantly working on improving our high-voltage grid.

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Dealing with the challenges in the energy market.

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Facts & figures related to TenneT facilitating the market can be found here.

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Latest news

TenneT: Wind power in Dutch North Sea possible without subsidies


  • Holland Coast (South) offshore wind farms to be first non subsidized wind farms in Europe
  • Dutch tendering system creates opportunities for efficient...

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Eoghan OLionnain - CC BY-SA 2.0

TenneT and EU Commission jointly develop solutions for cross-border electricity trading in Europe


  • TenneT proposes to extend the coordinated trade program at the German-Danish border
  • Competitive procedure with market consultation offers opportunity...

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Monthly figures (rolling annual total in GWh) for February 2018


Energy consumption, production, imports and exports for February 2018.

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Annual Report 2017

TenneT as an employer

Working at TenneT

Are you eager to work at the leading edge of the European energy sector? TenneT is looking for enthusiastic professionals who wish to push back frontiers and broaden their horizons.

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Corporate Social Responsibility

We aim to be among the best CSR-performing electricity transmission operators in Europe.

We take the responsibility to maintain grid stability and enhance the high-voltage infrastructure, enabling the large-scale use of renewables. Beyond contributing to reducing the overall carbon footprint of the Netherlands and Germany by facilitating the transition to renewable energy, we also taking measures to limit and compensate for our own impact.

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Our projects

Randstad 380 kV Noordring (Netherlands)

TenneT is constructing the Randstad 380 kV high-voltage connection to make sure the grid is “future-proof”. 

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SuedOstLink (Germany)

Information on the HGÜ-Connection from Sachsen-Anhalt to Bayern.

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Hollandse Kust (Netherlands)

TenneT is planning to build two offshore platforms (“Alpha” and “Beta”) near the offshore wind farms to be constructed off the coast of South-Holland.

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Manon van Beek CEO TenneT Holding B.V. t.co/Tln4YYLW9n t.co/tBtAA0KKJO - 18 d

Jaarcijfers 2017: TenneT richt zich op het vergroten van de veerkracht van het elektriciteitsnet met behoud hoge le… t.co/z6sGKhQzOU - 28 d

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