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


On this page you can find the formulars that you may need as a customer (e.g. person responsible for balancing group or energy supply company) in collaboration with TenneT TSO GmbH, in German.

Balancing group agreement (109 KB, pdf, 08/09/2016)


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Balance group contract, annex 2 (54 KB, doc, 05/16/2016)

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Bekanntgabe Kommunikationsparameter (21 KB, pdf, 05/16/2016)

(EDIFACT-E-Mail-Adresse, Ansprechpartner für Datenaustausch)

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Benennung eines Bilanzkreises zur Aufnahme von Deltaenergiemengen (22 KB, pdf, 05/16/2016)

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Wechselmeldungen für Erzeugungsanlagen (MPES) (49 KB, xls, 05/16/2016)

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Zuordnungsvereinbarung (19 KB, pdf, 05/16/2016)

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Eingabeformular zur Beantragung des W-EIC (62 KB, xlsx, 05/16/2016)

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Regeln für die Einführung und Handhabung von EIC Energy Identification Codes (399 KB, pdf, 05/16/2016)

in Deutschland, Spezifikation für A-EIC, T-EIC und W-EIC

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Nachweis für Wiederverkäufer (388 KB, pdf, 10/14/2019)

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Request a schematic grid diagram

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