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 over 22,000 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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The market rules for the implementation of the balancing group accounts for electricity (MaBiS) regulate the exchange of balance-relevant master data and movement data within the scope of the balancing group settlement as well as the settlement of the balancing group settlement as such.

Schematic illustration of the exchange processes between the participating market roles

Involved marked roles:

  • BIKO: Bilanzkoordinator
  • VNB: Verteilnetzbetreiber
  • BKV: Bilanzkreisverantwortlicher
  • LF: Lieferant

The MaBiS in the current version...

... can be found on the website of the Bundesnetzagentur. (german)


PKI certificate BIKO (1 KB, cer, 07/08/2016)

PKI certificate BIKO Download Download
PKI certificate BKV (1 KB, cer, 07/08/2016)

PKI certificate BKV Download Download
PKI certificate supplier (2 KB, cer, 07/08/2016)

PKI certificate supplier Download Download
PKI certificate DSO (1 KB, cer, 07/08/2016)

PKI certificate DSO Download Download
Communication Data sheet (116 KB, pdf, 10/12/2017)

October 2017

Communication Data sheet Download Download

Details on the exchange processes between the individual market roles

TenneT DSO - DSO

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TenneT BKV - DSO

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