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Press Release18 July 2023Siemens MobilityHamburg

Digital operations control system makes trains more energy-efficient

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Dr. Kristian Weiland, DB Head of Development Digitale Schiene Deutschland: "With the Digital Rail, we will operate trains even more energy-efficiently in the future. In addition to providing additional capacity and higher reliability, the technology has the potential to reduce energy consumption by up to 30 percent, according to initial estimates. Considering the current energy demand of the S-Bahn Hamburg, we would save the energy consumption of 10,000 households per year in the Hanseatic city alone. Here at the S-Bahn Hamburg, we are developing the technology that will later be used nationwide."
Dr. Anjes Tjarks, Hamburg's Senator for Transport and Mobility Transition: "The digitization of mobility is a key factor in a successful mobility transition. As the S-Bahn in Hamburg shows, innovative technologies and intelligent systems can contribute to creating sustainable and efficient solutions. The future of mobility lies in digital transformation, enabling us to develop environmentally friendly and resource-efficient solutions for sustainable transportation systems. The Digitale S-Bahn is already in daily use between Berliner Tor and Bergedorf, and by 2030, it is planned to automatically  transport our passengers from A to B. The automation and digitization of trains are also part of our joint agreement with the federal government to establish Hamburg as a model region for mobility nationwide."
Michael Peter, Chief Executive Officer Siemens Mobility: "Together with our partners, we have shown that, within a short period, automated rail transport is possible in an open railway system for the first time. With Digitale S-Bahn Hamburg 2.0, we are now taking the next step, developing and testing globally innovative functions for the highest energy efficiency. This is an important step towards reducing CO2 and operating costs, and it is part of the most significant technological change on the railway, which we are driving forward together here in Hamburg."
Kay Arnecke, Managing Director S-Bahn Hamburg: "The new project is another step towards the digitization of the S-Bahn Hamburg. We have been very successful with the pilot route of the Digitale S-Bahn in passenger service since last September. Now we can create further prerequisites for an efficient and energy-saving digital S-Bahn operation of the future."
The intelligent operations system of the Digitale S-Bahn Hamburg 2.0 saves energy through two approaches. With the technology knowing the exact positions of all trains in the network, rolling phases can be better utilized, and stops on the track can be avoided. Furthermore, the system reduces peak loads in power consumption by preventing multiple trains from starting simultaneously on the track. The project will also include a study to investigate the potential of energy recuperation through inverters into the public power grid.
The technology of the Digitale S-Bahn Hamburg is already in daily use for passengers. Four digitally controlled trains are currently operating on the Hamburg route between Berliner Tor and Bergedorf. 64 new S-Bahn trains equipped with digital technology have already been ordered. By the end of the decade, the city area of the S-Bahn Hamburg is planned to be equipped with the digital system. In 2021, the partners of the Digitale S-Bahn Hamburg jointly introduced the world's first highly automated train in an open railway system.

Digitale S-Bahn Hamburg 2.0

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Siemens Mobility is a separately managed company of Siemens AG. As a leader in intelligent transport solutions for more than 175 years, Siemens Mobility is constantly innovating its portfolio. Its core areas include rolling stock, rail automation and electrification, a comprehensive software portfolio, turnkey systems as well as related services. With digital products and solutions, Siemens Mobility is enabling mobility operators worldwide to make infrastructure intelligent, increase value sustainably over the entire lifecycle, enhance passenger experience and guarantee availability. In fiscal year 2022, which ended on September 30, 2022, Siemens Mobility posted revenue of €9.7 billion and had around 38,200 employees worldwide. Further information is available at: www.siemens.com/mobility.

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Contact

Moritz Krause 

Siemens Mobility

+49 (0)162 3480575

Tim Cappelmann

Deutsche Bahn

+49 (0) 40 3918-4498