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.

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. 

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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

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TenneT successfully closes a EUR 500 million Green US Private Placement

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  • TenneT first Dutch Green USPP issuer
  • Market showed keen interest with an order book of almost EUR 1bn
  • Further diversification of TenneT's investor base and funding sources

TenneT Holding B.V. (rated A3/A-) has successfully closed its first euro-denominated Green US Private Placement, which is in three tranches, with the support of Barclays and NatWest Markets acting as joint placement agents.

EUR 160 million10 years1.61%
EUR 295 million12 years1.83%
EUR 45 million15 years2.01%

The offer attracted, amongst others, US life insurance and US institutional investors that were not part of TenneT's investor base yet.

Otto Jager, TenneT's Chief Financial Officer, said: “TenneT's first Green USPP issuance demonstrates TenneT's ability to diversify its financing sources and investor base to carry out our substantial investment plans. The green angle demonstrates again our commitment to working with our stakeholders to continually improve and innovate in our approach to Corporate Social Responsibility.

Investing in green energy

TenneT's investments in offshore and onshore grid connections across the Netherlands and Germany are expected to total EUR 28 billion over the next 10 years. 

In the period up to 2027, TenneT expects to have realized 11 gigawatts (GW) of connection capacity for offshore wind farms in the German sector of the North Sea, transmitting electricity equivalent to the annual power consumption of approx. 16 million households. By 2030, TenneT expects to have realized 9.6 GW of connection capacity in the Dutch sector of the North Sea, corresponding to the annual power consumption of close to 14 million households.

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Jeroen Brouwers

Media Relations

+31 (0)26 373 26 00


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