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 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 February 5th, 2020

February 2020

Element nameWeek 5Week 6Week 7Week 8Week 9
MTWTFSSMTWTFSSMTWTFSSMTWTFSSMTWTFSS
1234567891011121314151617181920212223242526272829
Lelystad - Ens BlackD/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
Doetinchem - Niederreihn 380 BlackD/ND/ND/ND/ND/ND/ND/N
Doetinchem - Niederreihn 380 WhiteD/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

March 2020

Element nameWeek 9Week 10Week 11Week 12Week 13Week 14
MTWTFSSMTWTFSSMTWTFSSMTWTFSSMTWTFSSMTWTFSS
12345678910111213141516171819202122232425262728293031
Lelystad - Ens BlackD/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
Meeden - Diele 380 BlackD/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/N
Maasbracht - Oberzier 380 WhiteD
Maasbracht - Siersdorf 380 BlackD
Geertruidenberg - Eindhoven 380 GreyD/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

April 2020

Element nameWeek 14Week 15Week 16Week 17Week 18
MTWTFSSMTWTFSSMTWTFSSMTWTFSSMTWTFSS
123456789101112131415161718192021222324252627282930
Meeden - Diele 380 WhiteD/ND/ND/ND/ND/N
Meeden - Diele 380 BlackD/ND/ND/NDD

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

May 2020

Element nameWeek 18Week 19Week 20Week 21Week 22
MTWTFSSMTWTFSSMTWTFSSMTWTFSSMTWTFSS
12345678910111213141516171819202122232425262728293031
Meeden - Diele 380 WhiteD/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/ND/N
Meeden - Diele 380 BlackDD

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 2020

Element nameWeek 23Week 24Week 25Week 26Week 27
MTWTFSSMTWTFSSMTWTFSSMTWTFSSMTWTFSS
123456789101112131415161718192021222324252627282930
Meeden - Dielen 380 WhiteD/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

July 2020

Element nameWeek 27Week 28Week 29Week 30Week 31
MTWTFSSMTWTFSSMTWTFSSMTWTFSSMTWTFSS
12345678910111213141516171819202122232425262728293031
Hengelo - Gronau 380 WhiteD/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

August 2020

Element nameWeek 31Week 32Week 33Week 34Week 35Week 36
MTWTFSSMTWTFSSMTWTFSSMTWTFSSMTWTFSSMTWTFSS
12345678910111213141516171819202122232425262728293031
Hengelo - Gronau 380 BlackD/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

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