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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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 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.

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Latest news

Go Live of congestion management on the German-Austrian Bidding Zone Border (DE-AT BZB) on 1st of October 2018


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TenneT awards contract for Hollandse Kust (zuid) offshore grid project to Van Oord and Hellenic Cables


TenneT has selected the Van Oord Offshore Wind Projects / Hellenic Cables consortium to supply and install 220 kV subsea and onshore cables for...

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Balance maintenance with solar and wind energy, electric boilers and district heating


TenneT will start investigating the options for offering local (sustainable) electricity generation capacity on the market for balance maintenance in...

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Annual Report 2017

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20 years TenneT

Looking back at 20 years of achievement in the European electricity market

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TenneT Virtual Vision

Virtual Vision Berlin – located within the TenneT representation in the German capital – creates a mixed-reality experience and gives its visitors unique, interactive insights into the tasks and challenges of a European transmission system operator.

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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


Belangrijke slagader voor NW Europese e-markt open: Doetinchem-Wesel 380 kV. Interconnectie Nederland en Duitsland. Opening door Manon van Beek (CEO TenneT), Ben Voorhorst (COO TenneT) en Klaus Kleinekorte (Managing Director Amprion). #Energizing the EU #pride #energytransition t.co/CaWuN4vDBk - 2 d

An important artery for the Northwest European electricity market is open: Doetinchem-Wesel 380 kV. The opening act was done by Manon van Beek (CEO TenneT), Ben Voorhorst (COO TenneT) and Klaus Kleinekorte (Managing Director Amprion). #EnergizingtheEU #pride #energytransition t.co/07CvczJ3qC - 2 d

Welkom bij TenneT @manonvanbeek t.co/IREmrbRYly - 22 d

Website t.co/YhgkAn8riI geheel vernieuwd! Interessante nieuwe data toegevoegd. t.co/MFx33dLngd - 28 d

De Stroomstoring midden-Brabant is verholpen. Sinds 09.17 uur is de stroomvoorziening hersteld. TenneT doet onderzoek naar de oorzaak. Excuses voor het ongemak. - 33 d

Het onderstel van TenneT's eerste offshore platform voor windmolengebied Borssele is klaar. De 'load out' van het jacket op de werf van HSM Offshore in Schiedam is de eerste grote mijlpaal voor #TenneT in de realisatie van het project net op zee Borssele. Foto: Robert Nagelkerke t.co/DekGPA0Llf - 57 d

Halfjaarcijfers #TenneT: Investeringen in energietransitie 1e halfjaar 2018 richting een miljard euro. Transitie in NL op stoom. Lees meer op: t.co/y26Asbfi04 t.co/Olk50MjTvF - 62 d

#TenneT eerste partner in Electrical Sustainable Power Lab (ESP Lab) @tudelft Zie ook: t.co/O3hxwtizRS - 71 d

Kijk, dat is mooi nieuws! t.co/lz1ZuzX078 - 72 d

#TenneT contracteert #Petrofac voor platformen Net op Zee, zie t.co/UNRrAsGvYc - 77 d

7 enthousiaste @TenneTTSO collega's hebben het record van 25 keer overspelen zitvolleybal van @JCFoundation verbroken. Wij hebben 31 keer overgespeeld. We dagen @KPN en @DNVGL_NL uit om ons record te verbreken. Gaan jullie de challenge aan? #WorldSittingVolley #kantoorchallenge t.co/iR2sJXjPXj - 88 d

#TenneT is één van de Nederlandse koplopers in digitale transformatie, blijkt uit onderzoek van het #HetFinancieeleDagblad en #VlerickBusinessSchool bij de grootste 200 bedrijven. #digitaltransformation #digitaletransformatie t.co/qJ5XC6oVTQ t.co/9VOjmqqh2o - 92 d

De verbinding is inmiddels weer in bedrijf genomen. t.co/7YKlcrwcQa - 100 d

Door uitval verbinding #stroomstoring #eindhoven. excuus voor het ongemak. De oorzaak wordt onderzocht. - 100 d