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

Case studies

Deliver stakeholder value

Downloads Annual Report 2019

Coalition of the Daring (188 KB, pdf, 03/23/2020)

Coalition of the Daring Download Download
Setting a Standard (251 KB, pdf, 03/23/2020)

Setting a Standard Download Download
First and Biggest Connection (209 KB, pdf, 03/23/2020)

First and Biggest Connection Download Download
Power to Gas (160 KB, pdf, 03/23/2020)

Power to Gas Download Download
Working with Partners (189 KB, pdf, 03/23/2020)

Working with Partners Download Download
Financing the Energy Transition (207 KB, pdf, 03/23/2020)

Financing the Energy Transition Download Download

Downloads Annual Report 2018

True value (341 KB, pdf, 02/19/2019)

DolWin 2

True value Download Download
European Cross-Border Intraday (160 KB, pdf, 02/19/2019)

(XBID) trading platform

European Cross-Border Intraday Download Download
Grid booster (258 KB, pdf, 02/19/2019)

Grid booster Download Download
Community dialogue (594 KB, pdf, 02/19/2019)

Community dialogue Download Download

Downloads Annual Report 2017

Engage stakeholders (308 KB, pdf, 02/23/2018)

Engage stakeholders Download Download
Innovate business (252 KB, pdf, 02/23/2018)

Innovate business Download Download
Lead north-west European integration (196 KB, pdf, 02/23/2018)

Lead north-west European integration Download Download
Secure supply (152 KB, pdf, 02/23/2018)

Secure supply Download Download
Stakeholder value (216 KB, pdf, 02/23/2018)

Stakeholder value Download Download


Smarter incentives for transmission system operators (2 MB, pdf, 01/08/2020)

Smarter incentives for transmission system operators Download Download