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Siemens Mobility secures first order for fleet of hydrogen trains

Professional Engineering

The Mireo Plus H hydrogen trains provide completely CO2-free travel (Credit: Siemens Mobility)
The Mireo Plus H hydrogen trains provide completely CO2-free travel (Credit: Siemens Mobility)

A new fleet of hydrogen trains will reportedly reduce annual carbon dioxide (CO2) emissions by about 3,000 tonnes and save 1.1m litres of fuel currently used to power diesel trains.

The seven trains will run on the Heidekrautbahn network in the Berlin-Brandenburg metropolitan region in Germany. Planned to start operating from December 2024, they are Siemens Mobility’s first order for a fleet of trains based on hydrogen technology. 

Equipped with a fuel cell drive system and a lithium-ion battery, the two-car Mireo Plus H trains provide completely CO2-free travel.  

“Today, traveling by train is by far the most climate-friendly way to travel. We are especially proud that our first order for a fleet of hydrogen-powered trains will also enable emission-free rail transport on non-electrified routes,” said Michael Peter, CEO of German-headquartered Siemens Mobility.  

“Our Mireo Plus H is a next-generation hydrogen train that combines innovation with sustainability. Thanks to its long range, faster acceleration, and state-of-the-art technologies, it will set new standards in zero-emission passenger transport.” 

The Heidekrautbahn will be the first network in the region to use hydrogen fuel cell trains. The fleet was commissioned by operator Niederbarnimer Eisenbahn. 

“The highly innovative hydrogen-powered trains are not only environmentally friendly, but also provide modern equipment and features tailored to the needs of our passengers,” said CEO Detlef Bröcker.  

The trains feature a hydrogen-powered traction system with 1.7MW of traction power, providing up to 1.1m/s2 acceleration and a top speed of 160km/h. Refuelling reportedly only takes 15 minutes, while lightweight aluminium construction and improved aerodynamics are aimed at maximising efficiency and reducing the use of resources.  

Part of a joint project by the federal government and the states of Berlin and Brandenburg, the trains will be powered exclusively by ‘green’ hydrogen generated using clean energy sources.  

The order includes a ten-year service and spare parts contract up to 2034. The service contract covers the provision of all necessary maintenance, servicing and repairs, and further development and adaptation to customer-specific use of the trains. 

“The manufacturer’s direct involvement in maintaining the trains will ensure a high level of security regarding train availability. By operating a technologically and ecologically upgraded railway, we want to actively support the energy and transportation transition and make local public transport for commuter service and tourism more attractive,” said CEO Bröcker. 


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Content published by Professional Engineering does not necessarily represent the views of the Institution of Mechanical Engineers.

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