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TransnetBW GmbH is the transmission system operator for Baden-Württemberg, Germany, responsible for the secure and reliable operation, maintenance, and needs-based expansion of the extra-high voltage electricity grid. As a key player in the German 'Energiewende' (energy transition), TransnetBW focuses on integrating renewable energy sources, ensuring grid stability, and investing in future-proof infrastructure. Their network is crucial for supplying power to millions of people and numerous industrial companies, and it forms an important part of the European interconnected electricity system.
Serves as the central hub for corporate management, strategic planning, network operations control, engineering, and administrative functions, overseeing the entirety of TransnetBW's grid responsibilities.
Modern office complex designed for collaboration and efficiency, incorporating sustainable building practices. The facility is equipped to support critical 24/7 grid control operations, ensuring operational resilience.
A highly professional and responsible work environment, emphasizing technical expertise, innovation in grid management, safety, and teamwork. The culture is driven by the critical nature of ensuring energy security and advancing Germany's energy transition.
The Stuttgart headquarters is vital for managing the electricity transmission network for a key German industrial state, directly impacting regional economic stability and contributing to national energy security and European grid integration.
While TransnetBW's primary operational focus is Baden-Württemberg in Germany, its global presence is manifested through its integral role within the European Network of Transmission System Operators for Electricity (ENTSO-E). This involves close collaboration with neighboring TSOs in Switzerland, France, and Austria, ensuring cross-border electricity flow and grid stability. The company also participates in international research initiatives and partnerships to advance smart grid technologies and renewable energy integration on a broader European scale.
Pariser Platz, Osloer Straße 15-17
Stuttgart
Baden-Württemberg
Germany
Address: Am alten Neckar, 73240 Wendlingen am Neckar
Ensures the operational stability and security of the transmission grid in Baden-Württemberg, coordinates with regional energy stakeholders, and pilots new technologies for grid modernization.
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As of April 2025, TransnetBW' leadership includes:
TransnetBW has been backed by several prominent investors over the years, including:
The most significant executive change in the last 12-18 months was the appointment of Rainer Joswig as the new Chief Technical Officer (CTO) in April 2023, succeeding Dr. Hans-Josef Zimmer who retired. This transition marks a continuation of leadership in a critical operational area for the company.
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TransnetBW likely utilizes standard corporate email formats common in Germany. The most probable pattern is [firstname].[lastname]@[companydomain], or less commonly, [firstinitial].[lastname]@[companydomain].
[first].[last]@transnetbw.de
Format
max.mustermann@transnetbw.de
Example
90%
Success rate
TransnetBW Press • March 13, 2024
Construction of the SuedLink converter in Leingarten, Baden-Württemberg, is progressing visibly. This facility is a key component of the SuedLink direct current transmission line, vital for transporting wind power from northern to southern Germany....more
TransnetBW Press • February 29, 2024
TransnetBW reported a significant reduction in redispatch costs for 2023. This positive development is attributed to improved grid planning and the increasing effectiveness of grid expansion measures....more
TransnetBW Press • November 23, 2023
TransnetBW and Netze BW, a distribution system operator, have entered a partnership to enhance data exchange and digitalization. This collaboration aims to improve grid stability and efficiency in the context of the energy transition....more
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