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.

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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TenneT scaling up transmission capacity standard to accelerate offshore wind deployment

18/01/21 10:22:53 Project Dutch

• New execution strategy prepares TenneT for drastic offshore wind expansion to meet EU climate targets • Innovative cooperation with market leads to 2GW transmission capacity standard • TenneT…

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Investments rising to EUR 4-5 billion a year in the next years - TenneT scaling up for European energy transition

31/07/20 08:45:00 News German Dutch

• TenneT invested EUR 1,408 million in the Dutch and German high-voltage grids in the first half of 2020, a 30% increase compared to the first half of 2019 (EUR 1,094 million). • Underlying…

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Noordzee onderhandelaarsakkoord goed voor energietransitie

10/02/20 09:22:00 News Dutch

Het nu bereikte onderhandelaarsakkoord voor de Noordzee is belangrijk voor een breed gedragen voortgang van de energietransitie in Nederland. TenneT ziet de Noordzee als een belangrijke bron van…

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TenneT to invest an additional €215 mio in high voltage grid in the north of the Netherlands

10/10/19 11:20:57 News Dutch

TenneT is planning to invest an additional €215 million in connection capacity for two GigaWatts (GW) of solar and wind farms in the north of Netherlands. Two new 380 kV/110 kV high voltage…

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TenneT congratulates Vattenfall

12/07/19 15:14:11 News Dutch

TenneT warmly congratulates Vattenfall as the winner of the tender for the offshore wind farm Hollandse Kust (zuid) 3 and 4. This is another wonderful confirmation of the success of the Dutch…

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