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 23,000 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

Financial news

All financial related news.

Announcement publication integrated annual report and annual results for 2018

01/09/2019 11:29:41 AM

On Thursday, February 21rd, 2019, TenneT Holding BV will publish its integrated annual report and annual results for the year 2018. On the same day (in the morning), a press conference is planned at...

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EIB reaffirms support for Nordlink interconnector with EFSI-backing

08/14/2018 08:31:01 AM News

- European Investment Bank (EIB) closes a EUR 100m single investor tap of TenneT's 2017 hybrid bond to support the construction of NordLink interconnector between Norway and Germany - Transaction...

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TenneT issues EUR 1.25 billion of Green Bonds

05/23/2018 08:06:11 AM

TenneT Holding B.V. (rated A3/A-) successfully launched and priced another Green Bond issue under its green bond program of EUR 1.25 billion, split in two tranches of EUR 500 million (term: 10 years,...

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TenneT focuses on increasing resilience of the electricity grid while maintaining high security of supply

02/23/2018 08:00:00 AM

Dutch-German Transmission System Operator (TSO) TenneT is again presenting healthy financial results in the Integrated Annual Report 2017 and Financial Statements 2017 published today. The annual...

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Industrial issuers of €26 billion in green bonds pledge to double down on green financing

12/11/2017 07:00:00 AM

On the occasion of the Paris 2017 Climate Finance Day, nine of Europe’s largest industrial emitters of green bonds (EDF, Enel, ENGIE, Iberdrola, Icade, Paprec, SNCF Réseau, SSE and TenneT) publicly...

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TenneT gives strong impulse to European collaboration and digitalisation of the electricity system to facilitate energy transition

07/28/2017 08:00:00 AM

In the first half year of 2017, TenneT has pressed on with its efforts to promote European energy collaboration. The TSO has entered into a partnership with its Danish counterpart Energinet for the...

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