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


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 24,500 kilometres of high-voltage lines, we cross borders and connect countries.

Explore our grid

Offshore Outlook 2050

Already by 2030, the originally planned capacity of 15 gigawatts of offshore wind energy will increase to 20 GW.

To Offshore Outlook 2050
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

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. 



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

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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.

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We are TenneT

Meet us


All press releases and updates.

Transmission system operators submit second draft of Grid Development Plan 2030, Version 2019

15/04/19 13:18:38 News German

Comments from consultation have been taken into consideration for grid development plan / Sensitivity for scenario “B 2035 – coal phase-out” confirms need for grid development / Measures from BBP…

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SuedLink: Ready for the final decision on the corridor route

TenneT and TransnetBW present the results of detailed studies of corridor variants / Underground cable corridor is supposed to run from Schleswig-Holstein through western Lower Saxony, northern…

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Pilot project from TenneT and Daimler: Automobile battery storage systems stabilise the power grid

06/02/19 14:00:00 German Innovation

Transmission system operator TenneT and Daimler AG through its wholly owned subsidiary Mercedes-Benz Energy GmbH have researched and tested the feasibility of innovative system services in the…

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Transmission system operators publish first draft of Grid Development Plan 2030, Version 2019

04/02/19 14:00:00 News Projects German

Four-week consultation process for Grid Development Plan (GDP) to start / Plan ensures incorporating 65 per cent of renewables, taking into account stipulations of German Climate Action Plan 2050 /…

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TenneT increases offshore capacities to 6,232 megawatts

10/01/19 10:34:30 News German

2018 North Sea “wind harvest” exceeds previous year by roughly five percent / Share of total wind power generation now at almost 16 percent Expansion target of the federal government for 2020 nearly…

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TenneT welcomes the decision of the EU Commission on electricity trading at the German-Danish border

07/12/18 14:00:28 News German

The trading capacity for the market is to be increased step by step between Germany and Western Denmark / The decision is a sound interim solution until the new legal framework for European…

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