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 24,500 kilometres of high-voltage lines, we cross borders and connect countries.

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Offshore Outlook 2050

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

To Offshore Outlook 2050
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

Balance groups

The energy-related processing of the trading, distribution and grid activities is performed via a balance group.

Balancing group contract


Balance groups
TenneT control area



Balance responsible parties
TenneT control area


The basis for a stable power grid are properly managed balance groups. These represent the smallest unit of an energy market model. In the energy industry, balance groups serve as virtual energy quantity nodes and connect the virtual world (electricity market) to the physical world, the flow of energy within the power grids. These “virtual energy quantity nodes” make it possible for market participants to balance the infeed and feed-out amounts assigned on the basis of schedules.

A balance group can contain any number of feed-out and feed-in points within a control area. The balance responsible party (BRP) is responsible for maintaining a 1/4-hour balance (adequacy) and for any remaining deviations.

TenneT TSO GmbH adjusts out the remaining deviations with balancing energy and charges the balance responsible party for this balancing energy.

Your first point of contact … your personal customer contact person

 They will accept your inquiries, assume responsibility for internal coordination and provide you with the corresponding feedback.

Martin Kräml


Carina Hutzler


Sebastian Roß


Jana Upenmeyer


Carina Franke


The team Balance Groups supports you with the following topics, among others: 

  • Balancing group contract / collateral

  • Management of balance groups

  • Establishment and closing of balance groups and

    balance group allocations

  • Balance group settlement

  • Certificate management for the schedule


  • EEG monitoring within the framework of § 60 EEG

  • Direct marketer support


Status Balance Groups (165 KB, xlsx, 15/08/22)

Status Balance Groups Download Download


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.

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Other contact persons for balance responsible parties

Schedule Management

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Processing of the EEG levy (EEG/KWKG)

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Balancing Processes

in the roles of balance coordinator (BIKO) and transmission system operator (ÜNB)

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BKV-Portal - Exclusively for our balancing group managers