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.

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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

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Invitation for the supply of Incident Reserve (mFRR) the first quarter of 2017

TenneT TSO B.V. intends to launch the process for contracting 175 MW Incident Reserve upward regulation and 100 MW Incident Reserve downward regulation for the first quarter of 2017.

A total of 350 MW Incident Reserve upward regulation and 200 MW Incident Reserve downward regulation (mFRR) will be contracted for 2017, of which 50% (175 MW upward / 100 MW downward) will be contracted for Q1-Q2 and Q3-Q4 of 2017 (half-year contracts) and 50% (175 MW upward / 100 MW downward) for the individual quarters of 2017.

TenneT hereby invites potential suppliers of Incident Reserve to express their interest to Mr. Maarten van Swam, on (T) +31 26 373 2084, or (M) Maarten.van.Swam(at)tennet.eu.

Suppliers which have been invited for previous tenders for Incident Reserve do not have to respond to this notice, as they will automatically receive an invitation at the moment of publication of the tenders.

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