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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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 42 million people.

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We are TenneT

Meet us


All press releases and updates.

Offshore grid connection Borssele Beta ready to land offshore wind power

07/30/2020 09:00:00 AM News Project

Borssele Beta, TenneT’s high voltage connection for offshore wind farms Borssele III, IV and V is ready for use. Blauwwind (Borssele III & IV) and Two Towers (Borssele V) can connect the wind…

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Changes in contracting Incident Reserve and Regulating Power

07/28/2020 12:13:39 PM News Market

Hereby TenneT wants to inform the market on the upcoming changes in the process on contracting of Incident Reserve and Regulating Power. Hereby TenneT wants to inform the market on the upcoming…

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TenneT records a more than 21 % increase in offshore wind energy transmission and sets new standard for the future

07/27/2020 11:56:18 AM News

Transmission of 11.51 terawatt hours from sea to land accounts for a good 15 percent of total wind power generation in Germany / TenneT is investing more than 10 billion euros in new technical…

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TenneT sparks the hybrid market with a EUR 1 billion Green Hybrid Bond

07/16/2020 10:05:01 AM

TenneT Holding B.V. (rated A3/A-) yesterday successfully priced a Green Hybrid Bond issue of EUR 1 billion with a coupon of 2.374% and a non-call period of 5.25 years. The issue will further…

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The FCR cooperation reaches the next milestone in the development of the largest FCR market in Europe

06/30/2020 10:30:00 PM News Market Innovation

The daily D-1 auctions for FCR with 4-hour products started successfully. 50Hertz, Amprion, APG, Elia, RTE, Swissgrid, TenneT, TransnetBW announce the successful first frequency containment reserve…

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SuedLink: Contract awarded for plastic-insulated 525 kV underground cables

06/29/2020 08:29:21 AM News Project German

TenneT and TransnetBW invest approx. €2 billion in state-of-the-art cable technology / Contracts awarded to NKT and Prysmian / Major step closer to implementation for SuedLink TenneT and TransnetBW…

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