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 22,000 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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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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Data Dashboard

We provide data to serve our customers and society.

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Latest news

Monthly figures (rolling annual total in GWh) for December 2017


Energy consumption, production, imports and exports for December 2017.

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Announcement publication integrated annual report and annual results for 2017


On Friday, February 23rd, 2018, TenneT Holding BV will publish its integrated annual report and annual results for the year 2017. 

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TenneT increases offshore capacities to 5,332 megawatts - The 2017 North Sea wind harvest exceeds previous year by 47%


  • TenneT has now achieved more than 82% of the Federal Government offshore-expansion target for 2020
  • North Sea wind reaches a significant 15.9% of total...

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TenneT at Wind Europe 2017

About TenneTs presence

TenneT was prominently present at the WindEurope Conference and Exhibition 2017 which took place from 28 - 30 November 2017 in the RAI in Amsterdam. At our stand you could experience a 'live' visit to TenneT’s Helwin alpha offshore converter platform - including a realistic helicopter flight and landing on the platform.

Have an overview about our presence, download the key notes of CEO Mel Kroon and find out more about our announcements.

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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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Latest tweets


Natuurorganisaties en TenneT tekenen overeenkomst voor natuurcompensatie in Zeeland, in het gebied van het nieuwe… t.co/R8h7sSK1ZY - 17 d

Mel Kroon treedt na 16 jaar af als CEO van TenneT. t.co/g60vRlE2Pu t.co/648eAA5AkB - 42 d

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