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Siemens technology becoming part of state-of-the-art bus depot in Hamburg

Hamburger Hochbahn has set itself the goal of converting its entire fleet of around 1,000 buses to emission-free and climate-friendly vehicles by the end of the decade. In parallel with the vehicle procurement, the conversion of the depot infrastructure is underway in order to be able to charge and maintain the new fleet. 
“In equipping the bus depots with the necessary charging infrastructure, it is important for us to have a single-source partner who can deliver future-proof charging infrastructure along with all the necessary electrical components and services. We found such a partner in Siemens and are looking forward to executing this exciting project,” said Bastian Schmidt, Project Lead for Infrastructure Electromobility at Hamburger Hochbahn AG.
The order includes 48 Sicharge UC 200 charging stations with CCS charging plugs per carport, medium and low-voltage technology, as well as a five-year service contract. Each charging station has a charging capacity of 150 kilowatts and supplies buses with electricity when they are not in service. All the charging technology is housed in a technology control center on the roof of each carport. The charging cable is routed along the roof directly to the charging stations. This allows the space at the depot to be used for bus parking in the best possible way.
“In addition to a future-proof and easy-to-upgrade infrastructure, saving space when integrating charging technology is important especially in city infrastructure. In this project, rooftop installation was an appropriate solution,” said Jean-Christoph Heyne, Head of Future Grids at Siemens Smart Infrastructure. “I am pleased that in this case we were not only able to stand out with our flexible charging infrastructure, but also to meet the customer’s high demands with regard to sustainability. In our factory in Portugal, for example, the charging stations are manufactured exclusively with electricity from renewables. We therefore supply sustainably produced technology for more sustainable cities.”
The Alsterdorf bus depot covers 45,000 square meters and was opened in April 2019 by Hamburger Hochbahn. It is one of the most advanced bus depots in Europe as well as the first in Germany designed solely for emission-free buses. In the future, the buses will be supplied with green electricity at six carports. The Alsterdorf bus depot is the newest of a total of seven locations of Hochbahn. Since 2020, Hochbahn has been purchasing emission-free buses only.
For further information on Siemens Smart Infrastructure, please see
For further information on the Sicharge UC charging system, please see

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Siemens Smart Infrastructure (SI) is shaping the market for intelligent, adaptive infrastructure for today and the future. It addresses the pressing challenges of urbanization and climate change by connecting energy systems, buildings and industries. SI provides customers with a comprehensive end-to-end portfolio from a single source – with products, systems, solutions and services from the point of power generation all the way to consumption. With an increasingly digitalized ecosystem, it helps customers thrive and communities progress while contributing toward protecting the planet. SI creates environments that care. Siemens Smart Infrastructure has its global headquarters in Zug, Switzerland, and has around 72,000 employees worldwide.
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Siemens AG (Berlin and Munich) is a global technology powerhouse that has stood for engineering excellence, innovation, quality, reliability and internationality for more than 170 years. Active around the world, the company focuses on intelligent infrastructure for buildings and distributed energy systems and on automation and digitalization in the process and manufacturing industries. Siemens brings together the digital and physical worlds to benefit customers and society. Through Mobility, a leading supplier of intelligent mobility solutions for rail and road transport, Siemens is helping to shape the world market for passenger and freight services. Via its majority stake in the publicly listed company Siemens Healthineers, Siemens is also a world-leading supplier of medical technology and digital health services. In addition, Siemens holds a minority stake in Siemens Energy, a global leader in the transmission and generation of electrical power that has been listed on the stock exchange since September 28, 2020.

In fiscal 2020, which ended on September 30, 2020, the Siemens Group generated revenue of €57.1 billion and net income of €4.2 billion. As of September 30, 2020, the company had around 293,000 employees worldwide. Further information is available on the Internet at

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Anna Korb

Smart Infrastructure

+49 (9131) 1736637