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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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 42 million people.

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We are TenneT

Meet us

Urgent Market Messages - Planned Maintenance (NL)

TenneT TSO B.V. publishes on this webpage all necessary information on planned maintenance in its Extra High voltage network and on the interconnections in accordance with national and international requirements i.e. Art. 4.1 of the REMIT legislation.

This page was last modified on July 2nd, 2020

July 2020

Element nameAsset typeBidding-zoneWeek 27Week 28Week 29Week 30Week 31
Meeden - Diele 380 BlackTielineDED/ND/ND/N
Krimpen a/d IJssel - Geertruidenberg 380 WhiteInternal LineD/ND/ND/ND/ND/N
Krimpen a/d IJssel - Oostzaan 380 BlackInternal LineD/ND/ND/ND/ND/N
Westerlee - Maasvlakte 380 WhiteInternal LineDDDDDDDD
Westerlee - Maasvlakte 380 BlackInternal LineDD
Maasbracht - Van Eyck 380 BlackTielineBED/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/N
Dodewaard - Doetinchem 380 WhiteInternal LineD/ND/ND/ND/ND/N
Doetinchem - Hengelo 380 WhiteInternal LineDDDD
Doetinchem - Hengelo 380 BlackInternal LineDDDDDD
Hengelo - Gronau 380 WhiteTielineDEDDDDDDDDDDDD
Hengelo - Gronau 380 BlackTielineDED
Zwolle - Meeden 380 WhiteInternal LineD/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/N*

D: Daily (from 07:00 h until 17:00 h) out of service

D/N: Day and Night (from 0:00 h until 24:00 h) out of service

* unitl 17:00 h

August 2020

Element nameAsset TypeBidding-zoneWeek 31Week 32Week 33Week 34Week 35Week 36
Krimpen a/d IJssel - Geertruidenberg 380 WhiteInternal LineDD
Krimpen a/d IJssel - Geertruidenberg 380 BlackInternal LineDD
Geertruidenberg - Eindhoven 380 GreyInternal LineD
Geertruidenberg - Eindhoven 380 WhiteInternal LineD/ND/N
Geertruidenberg - Eindhoven 380 BlackInternal LineDD
Geertruidenberg - Rilland 380 BlackInternal LineD
Maasbracht - Dodewaard 380 WhiteInternal LineD/ND/ND/ND/ND/ND/N
Maasbracht - Eindhoven 380 WhiteInternal LineDDDDDDDDDDD
Maasbracht - Oberzier 380 WhiteTie LineDED/ND/ND/ND/ND/ND/N
Maasbracht - Van Eyck 380 Black(Meerhout)Internal LineD/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/N
Dodewaard - Doetinchem 380 BlackInternal LineD/ND/ND/ND/ND/N
Hengelo - Gronau 380 BlackTie LineDEDDDDDDDDDDDD
Eemshaven Oude Schip - Doekegat 380 BlackInternal LineD
Riland - Zandvliet 380 WhiteTie LineBED/ND/ND/ND/ND/N

D: Daily (from 07:00 h until 17:00 h) out of service

D/N: Day and Night (from 0:00 h until 24:00 h) out of service


Services in the Netherlands

We are responsible for managing the transmission grid, connecting electricity producers to the grid, transporting electricity  and balancing the electricity supply with demand.

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Services in Germany

TenneT is the driving force behind the Energiewende, the transition to a sustainable energy supply in Germany.

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Security of supply

A secure and continuous supply of electricity is the key objective of our operations.

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