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50Hertz is responsible for the operation, maintenance, planning, and expansion of the 380/220 kilovolt transmission grid throughout the northern and eastern part of Germany. Our grid covers an area larger than 109,360 km² and runs a length of approx. 10,000 km – the distance from Berlin to Rio de Janeiro. It is the technical backbone that reliably supplies power to around 18 million people – 24 hours a day, 7 days a week, 365 days a year.
Missions of 50Hertz

Missions of 50Hertz

A Transmission Network Operator is the interface between energy producers and consumers, operating and expanding the power transmission grids or balancing frequency and voltage.

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Our commitment

Our commitment

Responsible action is the basis of our day-to-day work. However, we go beyond that: As a progressive transmission system operator, we actively and far-sightedly promote sustained climate protection measures and ensure due consideration of societal concerns.
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Challenging tasks, a motivated team and many options for development: 50Hertz offers positions with perspective both for young and experienced professionals.

Here you can find our job offers

Business Areas of 50Hertz

We ensure stability

One of our core tasks is to keep the relationship between frequency and voltage stable within the permissible tolerances. Our workforce of 700 at 50Hertz see to the constant availability of electricity, low-cost electricity transport to consumption hotspots, and full integration of renewable electricity into the system. For this purpose, we develop the network in line with demand, and ensure close connections with our customers through our regional branches.

We promote the integration of renewable energies

High output volumes of renewable energies have made our service territory one of the largest electricity-exporting regions in Europe. By 2020, 30% of power generation in Germany is to be provided by renewable energies. Our system already takes up 40% of the wind power installed in Germany and in 2010, we started connecting the emerging offshore wind farms in the Baltic Sea to the transmission system. Photovoltaic systems, too, are displaying exponential growth rates – a trend that appears to be lasting.

We strongly support the electricity market

50Hertz as a transmission system operator is actively operating on the EPEX electricity exchange, playing a significant role in enhancing the liquidity of the electricity market. Acting as a catalyst in this market, we provide for the interaction between market players and make transparent information available to all partners, thereby strengthening Germany as a location for business.

We are planning the system of the future

For your secure electricity supply, we are currently planning the construction of new extra-high voltage overhead lines. All projects are listed on our grid extension pages.

We are connected with Europe

Its central position gives 50Hertz an important role in European electricity exchanges: Our company links the networks of Denmark, Poland, the Czech Republic to Germany, and Scandinavia to the European mainland. We are a driver in developing European regional markets, especially in Northern and East Central Europe. Furthermore, 50Hertz is a reliable partner in the European Network of Transmission System Operators for Electricity, ENTSO-E.


The German transmission system

The rising demand for energy and the need to bridge increasing distances have over the decades required ever higher transmission voltages. Employing a range of voltages allows transport to be handled with a minimum of loss and maximum economic efficiency. High voltages are needed to bridge long distances and minimise transport losses. At the highest level, the supra-regional transmission grid, electricity is transmitted at extra-high voltages of 380 kV or 220 kV, across long distances from large-scale power plants connected to the extra-high-voltage system to centres of electricity use – including to European neighbours. The second level includes the distribution system operators of the regional electricity companies. They distribute electricity at a voltage of 110 kV in relatively large areas, where it is fed into the local networks: the low-voltage system. The various voltage levels are connected to one another via substations. Here, the voltage is transformed to higher or lower voltages.


Kerstin Maria Rippel

Head of Communications and Public Affairs

Kerstin Maria Rippel
Tel: +49 (0) 30-5150-0
Fax: +49 (0) 30-5150-2199
E-Mail: info@50hertz.com