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.

New cost-efficient power cable represents world first for TenneT

26/01/16 10:33:00 Project Dutch

New cable design to be immediately applied in Randstad 380 kV North Ring project Cost reduction achieved by using aluminium core instead of traditional copper core Cable's useful life and…

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Invitation for the supply of control power (R2) for the second quarter of 2016

22/12/15 11:02:00 Dutch

TenneT TSO B.V. intends to launch the process for contracting control reserve (R2) for the second quarter of 2016. A total of 340 MW control power (R2 Reserve) will be contracted for 2016. TenneT…

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Standard and Poor's revised TenneT's hybrid equity content back to intermediate

18/12/15 00:00:00 German Dutch

Following TenneT's waiver of certain call option rights in its hybrid on 14 December 2015, Standard & Poor's Ratings Services revised the equity content of TenneT's hybrid back to…

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Waiver of Rights in relation to outstanding Perpetual Capital Securities

14/12/15 11:11:00 German Dutch

On 27 October 2015, Standard & Poor's Ratings Services (“S&P”) revised the equity content that they have assigned on several corporate hybrids including TenneT's €500,000,000 Reset Perpetual…

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TenneT signs agreements for power transformers and GIS for Dutch offshore platforms

03/12/15 11:09:00 Project Dutch

First framework agreements for infrastructure Dutch offshore wind farms TenneT has signed framework agreements for the future supply of Gas Insulated Switchgear (GIS) and power transformers for the…

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Invitation for the supply of Incident Reserve (R3) Q1 2016

19/11/15 00:00:00 Dutch

TenneT TSO B.V. intends to launch the process for contracting Incident Reserve (R3) for Q1 2016. A total of 350 MW Incident Reserve (R3 Reserve) will be contracted, of which 175 MW is already…

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