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).

Explore our key tasks

Innovation

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.

Explore our grid

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.

Explore the electricity market

Transparency data

We provide transparency data on our operations on our Dutch and German transparency page and on ENTSO-E. 

To transparency pages
E-Insights

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. 

E-Insights

E-Insights

Facts & figures related to TenneT facilitating the market can be found here.

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Company

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.

Explore our company

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 May 4, 2021

May 2021

Element nameVoltage LevelAsset TypeBidding zoneWeek 17Week 18Week 19Week 20Week 21Week 22
MTWTFSSMTWTFSSMTWTFSSMTWTFSSMTWTFSSMTWTFSS
12345678910111213141516171819202122232425262728293031
Meeden - Diele White380TielineDED/N
Meeden - Diele Black380TielineDED/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/ND/ND/N
Diemen - Lelystad White380Internal LineD
Oostzaan - Diemen Grey380Internal LineD
Vijfhuizen - Beverwijk White380Internal LineD/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/ND/ND/ND/ND/ND/N
Vijfhuizen - Beverwijk Black380Internal LineD/ND/ND/N
Krimpen a/d IJssel - Breukelen Kortrijk White380Internal LineD/ND/ND/ND/ND/ND/N
Breukelen Kortrijk - Diemen White380Internal LineD/ND/ND/ND/ND/ND/N
Crayestein - Krimpen a/d IJssel Black380Internal LineD/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/N
Maasbracht - Siersdorf Black380TielineDEDDDD
Eemshaven - Eemshaven Oude Schip White380Internal LineD

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

June 2021

Element nameVoltage LevelAsset TypeBidding zoneWeek 22Week 23Week 24Week 25Week 26
MTWTFSSMTWTFSSMTWTFSSMTWTFSSMTWTFSS
123456789101112131415161718192021222324252627282930
Eemshaven - Meeden White380Internal LineD
Meeden - Diele White380Cross Border LineDED/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/ND/ND/ND/ND/N
Meeden - Diele  Black380Cross Border LineDED
Ens - Zwolle Black380Internal LineDD
Diemen - Lelystad Black380Internal LineD/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/N
Vijfhuizen - Beverwijk White380Internal LineD/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/ND/ND/ND/ND/N
Maasvlakte - Simonshaven White380Internal LineD
Simonshaven - Crayestein White380Internal LineD
Westerlee - Maasvlakte Black380Internal LineD/ND/ND/ND/N
Eemshaven - Eemshaven Oude Schip  Black380Internal LineD
Eemshaven - Eemshaven Oude Schip White380Internal LineD

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

Related

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.

Read more

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.

Read more