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).

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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.

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Offshore Outlook 2050

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

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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.

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Transparency data

We provide transparency data on our operations on our Dutch and German transparency page and on ENTSO-E. 

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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


TenneTs activities are being supervised by ACM and Bundesnetzagentur.

Dutch regulation

Given that TenneT has a monopoly as a TSO both in the Netherlands and its service area in Germany, our key tasks are regulated by independent regulatory bodies, namely the Netherlands Authority for Consumers and Markets (ACM) and the German federal network agency Bundesnetzagentur (BNetzA). Their role is to balance the interests of consumers, businesses and system operators against the goals of affordability, security of supply and sustainability, providing system operators with incentives for efficient operations, using benchmarks where possible, and setting the allowed rate of return on invested capital. The key parameters of the regulatory frameworks in the Netherlands and Germany are set for a 5-year period. In 2017, the seventh Dutch regulatory period started, lasting until 2021. In Germany, the currently running second regulatory period lasts until the end of 2018.

Incentive regulation is used in both the Netherlands and Germany. In general, this form of regulation uses rewards and penalties to encourage a TSO to achieve the regulator’s goals, while giving the TSO some discretion in operational decision-making and achieving company goals. The allowed regulatory revenue reflects the costs of an efficient TSO and comprises the reimbursement of operating expenses, depreciation and a return on invested capital, as shown in the figure below.


TenneTs earning model (330 KB, pdf, 07/03/17)

TenneTs earning model Download Download


Grid operators

The electricity grid is installed, managed and maintained by the grid operators. The grid operators are also responsible for connecting customers to the electricity network without prejudice.

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Electricity traders

Traders buy and sell electricity at competitive prices, directly from producers, via energy suppliers or on the Amsterdam Power Exchange (APX).

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Metering companies

Every party that purchases electricity from the grid is responsible for measuring how much they take and disclosing this information to their grid operator.

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