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


All press releases and updates.

TenneT increases offshore wind energy connection capacity to 7,132 megawatts


  • Expansion target of the federal government for 2020 already more than achieved
  • The transmission capacity will increase to almost 10,000 megawatts by...

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Ocean Renewable Energy Action Coalition Launches to Accelerate Global Offshore Wind Capacity


An international Ocean Renewable Energy Action Coalition has been formed to advance sustainable deployment of ocean-based renewable energy and ...

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“MIGRATE” research project takes stock after four years


  • The focus: Integrating renewables into a stable, future-proof transmission system grid
  • Different approaches for the power grid of the future

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European Single Intraday Coupling (SIDC) Parties confirm successful 2nd wave go-live


Significant increases in traded volumes reported across the 7 countries which joined the SIDC coupling last week. Pan-European trading now in place...

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TenneT signs a EUR 3 billion sustainable RCF to further drive the energy transition


  • The signed RCF by TenneT is the  largest sustainable RCF in the Benelux
  • TenneT has over EUR 11 billion of green debt and sustainable funding available
  • ...

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EU-funded PROMOTioN project delivers recommendations to overcome regulatory and financial barriers to realizing a North Sea Transmission Grid


Arnhem/Berlin, 6 November 2019. Countries around the North Sea need to implement a harmonized regulatory and economic framework to fully exploit the...

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