50Hertz Transmission GmbH is one of the four transmission system operators (TSOs) in Germany. Headquartered in Berlin, the company is responsible for the operation, maintenance, planning, and expansion of the 380/220 kilovolt transmission grid in northern and eastern Germany. This region is characterized by a high share of renewable energy generation, particularly wind power. 50Hertz plays a crucial role in Germany's energy transition ('Energiewende') by ensuring grid stability and integrating large volumes of renewable energy into the electricity system and transporting it to consumption centers. The company is majority-owned by the European TSO Elia Group (Belgium) and the German KfW Bankengruppe.
The Berlin headquarters serves as the central hub for strategic decision-making, grid management oversight, engineering, asset management, market operations, regulatory affairs, finance, human resources, and corporate communications for the transmission system operator.
The 'Netzquartier' is a modern, purpose-built office complex inaugurated in 2016. It was designed with a strong focus on sustainability (DGNB Gold certified) and collaborative work environments, featuring open office spaces and advanced building technology. It likely includes facilities for grid monitoring and control simulation.
The work culture at 50Hertz is characterized by a strong engineering focus, driven by the technical challenges of maintaining grid stability while integrating high volumes of renewable energy. There's an emphasis on reliability, safety, innovation, sustainability, and collaboration, with employees often motivated by contributing to the success of the energy transition.
The headquarters is pivotal for managing the electricity transmission infrastructure that supplies power to millions of people and numerous industries in Northern and Eastern Germany. It's a critical node for Germany's energy transition, coordinating the flow of renewable energy and ensuring the security of supply within its grid area and contributing to the stability of the interconnected European grid.
While 50Hertz's direct operational responsibility is for the transmission grid in Northern and Eastern Germany, it plays a significant role in the European context. As part of the Elia Group, a European TSO active in Belgium and Germany, 50Hertz contributes to the integration of the European electricity market. The company actively participates in European Network of Transmission System Operators for Electricity (ENTSO-E) initiatives, collaborates on cross-border grid development projects, and facilitates international electricity trading. Its expertise in integrating large-scale renewable energy is also relevant for international discussions and projects concerning energy transition.
Eichenstraße 3A
Berlin
Berlin
Germany
Address: Merseburger Landstraße 5, 06246 Goethestadt Bad Lauchstädt, Germany
Provides localized operational control, rapid response capabilities for grid issues, project management for regional grid expansion, and a direct interface with regional stakeholders, including local distribution system operators and large industrial customers in its specific geographic zone.
Address: Verbindungschaussee 2B, 18273 Güstrow, Germany
Ensures efficient grid operation and maintenance in a key renewable energy generation region, manages local grid infrastructure projects, and serves as a contact point for regional partners and communities.
Address: Eisenwerkstraße 1, 15366 Neuenhagen bei Berlin, Germany
Manages critical grid infrastructure close to the capital region, ensures reliable power supply, and coordinates regional grid development and maintenance activities.
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As of April 2025, 50Hertz Transmission GmbH' leadership includes:
50Hertz Transmission GmbH has been backed by several prominent investors over the years, including:
Over the past 12 months (approx. June 2023 - June 2024), 50Hertz Transmission GmbH has seen significant changes in its executive team, with new appointments for the roles of Chief System Operations Officer (CSO), Chief Technology Officer (CTO), and Chief Financial Officer (CFO).
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50Hertz Transmission GmbH commonly uses the firstname.lastname email format, which is a standard convention for many German and European companies. Other formats might exist but are less common for general communication.
firstname.lastname@50hertz.com
Format
max.mustermann@50hertz.com
Example
90%
Success rate
50hertz.com • June 3, 2024
Dr Sven Tarines has taken over the position of Chief Financial Officer (CFO) and the Finance and Regulatory Affairs department at transmission system operator 50Hertz on 1 June 2024. He succeeds Marco Nix, who left the company at the end of May....more
50hertz.com • January 29, 2024
Dr.-Ing. Frank Reitmayer will take over as the new Chief Technology Officer (CTO) at transmission system operator 50Hertz on 1 February 2024. He succeeds Dr. Frank Golletz, who will leave the company at his own request on 31 January 2024....more
50hertz.com • September 28, 2023
Dr Tanja Wielgoß will take over as Chief System Operations Officer (CSO) at transmission system operator 50Hertz as of 1 October 2023. She succeeds Dr Dirk Biermann, who will leave the company at the end of September at his own request....more
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