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.

Gasunie to join North Sea Wind Power Hub consortium

13/09/17 11:00:00 Offshore Project Innovation

With Dutch gas grid operator Gasunie joining, the North Sea Wind Power Hub consortium – so far consisting of TenneT TSO B.V. (Netherlands), Energinet.dk (Denmark) and TenneT TSO GmbH (Germany) –…

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TenneT unlocks distributed flexibility via blockchain

02/05/17 12:00:00 News Innovation

TenneT, sonnen, Vandebron and IBM are joining forces to develop blockchain for managing the electricity grid in the Netherlands and Germany. This innovative technology is the next step in enabling…

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TenneT prepares grid system for growth of renewable energy

01/08/16 09:00:00 Innovation

The increase in electricity from renewable source like wind and solar will, in time, lead to a decline in the reserve capacity offered by conventional generation, like coal- and gas-fired power…

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Unique Dutch approach significantly reduces costs for offshore wind energy

05/07/16 18:30:00 Dutch Innovation

TenneT congratulates Danish utility company DONG Energy for winning the tender for the construction of offshore wind farms off the Dutch coast near Borssele. Appointment of single grid operator for…

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