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 2030

By 2030, the originally planned capacity of 15 gigawatts of offshore wind energy will increase to 20 GW.

To Offshore 2030
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. 

To transparency pages

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

Border between the Czech Republic and Germany

Information on coordinated long-term auctions in the CEE region

In the CEE region long-term auctions for the allocation of cross-border transmission rights are performed both monthly-based and annual-based by Joint Allocation Office S.A. (JAO).Relevant information and auctioning rules for the explicit monthly-based and annual-based auctions is available here: 

Harmonised Allocation Rules (27.11.2015)

Information on coordinated, explicit day-ahead auctions in the CEE region

In the CEE region explicit day-ahead auctions are performed by Joint Allocation Office S.A. (JAO) in line with the „CEE Daily Auction Rules“.

Rules for Daily Capacity Allocation (8.12.2015)

Information on coordinated intraday allocation in the CEE Region

Intraday allocation at the Czech-German border are based on the „CEE Intraday Capacity Allocation and Nomination Prodcedure“ Trader Guide. The "ICAN Trader Guide" contains a description of capacity assignment and nomination as well as the necessary IT system requirements for participating in intraday trade at the following borders: CZ/DE, CZ/AT, CZ/SK, CZ/PL, DE/PL, SK/PL, SK/HU. Transactions are performed via the Damas Energy System of ČEPS.



End November 2019 the Czech-German border is scheduled to be integrated into the Single Intraday Coupling solution.

More information

Capacity asignment preview (NTC) Czech Republic