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 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.

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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 42 million people.

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TenneT well represented in organization of European TSOs

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  • Siem Bruijns, Managing Director
  • Mel Kroon, Chairman Supervisory Board

The shareholders of the new services company for European Transmission System Operators (TSOs), TSCNET Services GmbH, have appointed Siem Bruijns (TenneT) and Alexander Wirth (Swissgrid) as Managing Directors. Siem Bruijns has been Senior Manager at TenneT TSO B.V. and TenneT TSO GmbH, the Dutch-German TSO and one of the 13 member TSOs of the TSO Security Cooperation (TSC), since 2007. He brings with him many years’ experience in power transmission system operations. Bruijns will start at TSCNET in Munich, Germany, in January 2015. Alexander Wirth was involved with the reorganisation of TSC and responsible for setting up the TSC TSOs – Joint Office in Munich in the recent years. Wirth has been Managing Director since the start-up of TSCNET. The management will report to the new Supervisory Board (chaired by Mel Kroon, CEO of TenneT Holding B.V.) and to the Shareholders' Meeting (chaired by Pierre-Alain Graf, CEO of Swissgrid). TSCNET Services GmbH was registered on the 10th November 2014, one year after opening the TSC TSOs – Joint Office. Since 2013, experts dispatched from TSC member TSOs work in Munich day and night (24/7), providing tailor-made coordination services for operational planning, forecast data merging, congestion assessment and capacity calculation for the control centres of TSOs in continental Europe using the common IT platform CTDS.

TSO Security Cooperation

The Transmission System Operator Security Cooperation (TSC) was launched in December 2008 as an initiative of equal partners, to foster regional European cooperation for system security with a de-centralised approach. Its member TSOs are 50Hertz (Germany), Amprion (Germany), APG (Austria), ?EPS (Czech Republic), ELES (Slovenia), Energinet.dk (Denmark), HOPS (Croatia), MAVIR (Hungary), PSE (Poland), Swissgrid (Switzerland), TenneT TSO (Germany), TenneT TSO (the Netherlands) and TransnetBW (Germany). The TSOs have set up a permanent TSO Security Panel (group of security experts), new cooperation tools for control centres and a common IT platform CTDS for data exchange and to perform common n-1 security assessments. TSC’s Cooperation Board is responsible for strategy, budgeting and extending the cooperation, whereas the Operational Board has responsibility for the definition and monitoring of business processes and services including TSCNET Services. TSC TSOs’ main goal is to further enhance operational cooperation amongst TSOs to ensure the overall system security in the European electricity grid remains at a high level.

TSCNET Services GmbH

The company based in Munich, Germany, is a joint venture of TSC member TSOs. Each of the ten TSOs from Austria, Croatia, the Czech Republic, Germany, the Netherlands, Slovenia and Switzerland holds an equal share and interest in the company. The other TSC TSOs are expected to join as shareholders in 2015. The company’s management reports to the Supervisory Board (chaired by Mel Kroon, CEO of TenneT Holding B.V.) and to the Shareholders’ Meeting (chaired by Pierre-Alain Graf, CEO of Swissgrid). TSCNET Services uses and administers the TSC TSOs - Joint Office, a modern, fully equipped premises in Munich in which to work and meet, offering excellent conditions for conferences, trainings and meetings.

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Jeroen Brouwers

Media Relations

+31 (0)26 373 26 00


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