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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Innovation

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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E-Insights

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. 

E-Insights

E-Insights

Facts & figures related to TenneT facilitating the market can be found here.

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Company

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

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News News Project German Offshore Project

TenneT meets German government’s offshore roll-out target ahead of schedule

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  • Offshore grid connection BorWin3 ready for feed-in since the beginning of August
  • Transmission capacity for offshore wind farms in the North Sea now amounts to 7.132 gigawatts
  • German government’s offshore roll-out target is 6.5 gigawatts by 2020          

An important milestone for TenneT and a major contribution to the energy transition: TenneT has met and even significantly exceeded the German government’s roll-out targets for sustainable North Sea wind power. The transmission readiness of BorWin3, TenneT’s twelfth offshore grid connection project, means that a further 900 megawatts of transmission capacity will be available to feed the wind power produced at sea into the onshore extra-high voltage grid. In total, the offshore transmission capacity in the North Sea alone will therefore amount to 7.132 gigawatts this year. The federal government’s target for the North Sea and Baltic Sea is 6.5 gigawatts by 2020.

“Further efforts are needed to push ahead with the energy transition,” said TenneT Managing Director Tim Meyerjürgens. “According to all international studies and scenarios, the current  roll-out rate of offshore wind in Europe is not sufficient to achieve the goals of the Paris Climate Agreement for Europe. An accelerated, large-scale and internationally coordinated roll-out is necessary.”

In this context, TenneT has just presented a feasibility study by the North Sea Wind Power Hub Consortium on the implementation of wind power hubs in the North Sea. “A future internationally coordinated approach could implement the connection and integration of a roll-out of large-scale offshore wind energy more effectively and at considerably lower costs of up to 30 percent than with continued individual national planning,” says Meyerjürgens. Since the North Sea has a great potential for offshore wind energy, the implementation of 180 gigawatts of offshore wind by 2045 could be achieved through the consortium’s approach.

About BorWin3
BorWin3 is the third project to be implemented by TenneT off the coast of Borkum using direct current technology, alongside the grid connection projects BorWin1 and BorWin2. At the Emden/East site, TenneT has built a converter station with a substation to feed the energy generated at sea into the onshore extra-high voltage grid. In total, a distance of 160 kilometres has to be bridged: the wind power is first transported to Hamswehrum via a 130-kilometre-long subsea cable running west of Borkum and from there to Emden/East via a 30 kilometre-long underground cable.

The first stone for the onshore converter station was laid in May 2016, and the station has been technically completed in 2018. The onshore cables were laid in 2015, the last cable section at sea was laid in spring 2018. In September 2018, the offshore converter station, manufactured in Dubai, was transported to the North Sea and installed there in October.

About TenneT
TenneT is a leading European electricity transmission system operator (TSO) with its main activities in the Netherlands and Germany. With over 23,000 kilometres of high-voltage connections we ensure a secure supply of electricity to 41 million end-users. We employ approximately 4,500 people, have a turnover of EUR 4.2 billion and an asset value totalling EUR 22 billion. TenneT is one of Europe’s major investors in national and cross-border grid connections on land and at sea, bringing together the Northwest European energy markets and enabling the energy transition.  We make every effort to meet the needs of society by being responsible, engaged and connected.
Taking power further

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Henrike Lau

Pressereferentin - Projektkommunikation Offshore

0049 (0)5132 89-2265
Henrike.Lau@tennet.eu

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