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.

Read more
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 23,000 kilometres of high-voltage lines, we cross borders and connect countries.

Explore our grid

Grid maps

Maps of our onshore and offshore high-voltage grid.

To grid maps
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.

Read more
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 41 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 it Extra High voltage netwerk 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 September 6th, 2019

September 2019

Element nameWeek 35Week 36Week 37Week 38Week 39Week 40
MTWTFSSMTWTFSSMTWTFSSMTWTFSSMTWTFSSMTWTFSS
123456789101112131415161718192021222324252627282930
Meeden - Diele BlackD/ND/ND/ND/ND/ND/ND/ND/ND/N
Meeden - Diele WhiteD/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/N
Borssele - Zandvliet GreyD/N
Maasbracht - Van Eyck BlackD/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/N
Crayestein - Krimpen a/d IJssel BlackD/ND/N
Maasvlakte - Simonshaven WhiteD/ND/ND/ND/ND/ND/ND/ND/N
Simonshaven - Crayestein WhiteD/ND/ND/ND/ND/ND/ND/ND/N
Maasbracht - Dodewaard WhiteD/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

October 2019

Element nameWeek 40Week 41Week 42Week 43Week 44
MTWTFSSMTWTFSSMTWTFSSMTWTFSSMTWTFSS
12345678910111213141516171819202122232425262728293031
Borssele - Zandvliet GreyD/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/N
Zandvliet - Geertruidenberg WhiteD/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/N
Ens-Lelystad BlackD/ND/N
Ens-Lelystad WhiteD/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/N
Maasvlakte - Simonshaven - Crayestein BlackD/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/N
Maasvlakte - Simonshaven - Crayestein WhiteD/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/N
Maasbracht - Dodewaard WhiteD/ND/ND/ND/N
Krimpen - Geertruidenberg BlackD/ND/ND/ND/ND/N

Geertruidenberg - Eindhoven Grey

DDDDD
Wateringen - Westerlee 380 WhiteDDD

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

November 2019

Element nameWeek 44Week 45Week 46Week 47Week 48
MTWTFSSMTWTFSSMTWTFSSMTWTFSSMTWTFSS
123456789101112131415161718192021222324252627282930
Zandvliet - Geertruidenberg WhiteD/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/N
Ens-Lelystad WhiteD/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
Westerlee - Maasvlakte WhiteD/ND/ND/ND/ND/N
Maasvlakte - Simonshaven - Crayestein BlackD/ND/ND/ND/ND/ND/ND/ND/N
Geertruidenberg - Eindhoven BlackD/ND/ND/N
Oostzaan - Diemen GreyD/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

December 2019

Element nameWeek 48Week 49Week 50Week 51Week 52Week 1
MTWTFSSMTWTFSSMTWTFSSMTWTFSSMTWTFSSMTWTFSS
12345678910111213141516171819202122232425262728293031
Maasbracht - Oberzier 380 WhiteD/ND/ND/ND/ND/ND/ND/ND/ND/N
Ens-Lelystad 380 BlackD/ND/ND/ND/ND/ND/ND/N
Ens-Lelystad 380 WhiteD/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/N
Oostzaan - Diemen 380 GreyD/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/N
Krimpen - Oostzaan 380 BlackDDDDDDDDDDDD
Geertruidenberg - Eindhoven 380 GreyD

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.

Read more

Security of supply

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

Read more