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

We are TenneT

We strive to ensure a reliable and uninterrupted supply of electricity
in our high-voltage grid for some 41 million people.

Meet us
Our grid

We are constantly working on improving our high-voltage grid.

See our projects

Dealing with the challenges in the energy market.

Follow our developments
System and transmission data

Data for customers.

Our transparency pages

Latest news

Update of the balance delta information on the TenneT website


TenneT expects to publish a new version of the webpage with balance delta information in November 2016. An extension is needed with the introduction...

Read more

Invitation for the supply of Incident Reserve (mFRR) the first quarter of 2017


TenneT TSO B.V. intends to launch the process for contracting 175 MW Incident Reserve upward regulation and 100 MW Incident Reserve downward...

Read more

Monthly figures (rolling annual total in GWh) for September 2016


Energy consumption, production, imports and exports for September 2016.

Read more

Explore TenneT

TenneT opens trading Amsterdam exchange

TenneT is the first Dutch non-financial enterprise to issue so-called ‘green bonds’ in euros. For this occasion they visit the Amsterdam exchange of Euronext. Trading on the 29th of July is opened by Otto Jager, CFO.

More information on Euronext.com

North Sea Infrastructure

TenneT presents Hub and Spoke concept for large scale wind energy on the North Sea.

Read more

Most read position papers

TenneT produces a range of position papers to explain our vision and position on social and political issues in the electricity sector.

All position papers

Safety by contractor management

Contractor management is a key element of our Safety Vision 2018. We want everyone working for TenneT to return home safely at the end of each day. TenneT wants to contract top safety performers to contribute to our projects. We are looking for contractors who take safety just as seriously as we do, and who apply the highest safety standards when performing their work.

More about Safety

Corporate Social Responsibility

We aim to be among the best CSR-performing electricity transmission operators in Europe. For TenneT, Corporate Social Responsibility (CSR), is not only related to the reduction of our carbon footprint, but includes a much broader pallet of subjects, related to create a sustainable future for all our internal and external stakeholders.

Read more

Working at TenneT

Are you eager to work at the leading edge of the European energy sector? TenneT is looking for enthusiastic professionals who wish to push back frontiers and broaden their horizons.

Read more

Our projects

Randstad 380 kV Noordring (Netherlands)

TenneT is constructing the Randstad 380 kV high-voltage connection to make sure the grid is “future-proof”. 

View Project

D-Korridor (Germany)

Information on the HGÜ-Connection from Sachsen-Anhalt to Bayern.

View Project

Hollandse Kust (Netherlands)

TenneT is planning to build two offshore platforms (“Alpha” and “Beta”) near the offshore wind farms to be constructed off the coast of South-Holland.

View Project