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 22,000 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

Offshore projects Germany

Since 2006 TenneT conducts several offshore projects in Germany.

alpha ventus

First German offshore grid connection

Read more

BorWin1

First DC power link between an offshore wind park and the high voltage grid

Read more

BorWin2

Powerful offshore grid connection with a capacity of 800 megawatts

Read more

BorWin3

160 kilometres long 900 megawatt DC connection

Read more

DolWin1

165 kilometres of cable for a grid connection with a capacity of 800 MW

Read more

DolWin2

916 megawatt power line to connect three offshore wind farms

DolWin2

DolWin3

A 900 MW grid connection for offshore wind farms

Read more

Emden/Ost

A new substation with two converterstation at Wykhoffweg

Read more

HelWin1

First grid connection for offshore wind farms in the eastern section of the North Sea.

Read more

HelWin2

Direct current grid connection of wind farms in the eastern North Sea

Read more

Nordergründe

Our third AC grid connection

Read more

Norderney crossing

major routes for the previously-planned offshore wind farm transmission lines were bundled through Norderney

Read more

Riffgat

155 kilovolt AC grid connection

Read more

SylWin1

160 kilometer long subsea cable for the connection of wind farms off the coast of Sylt

Read more