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Press Release28 April 2025Siemens MobilityMunich
Siemens Mobility builds emission-free hydrogen-powered trains for Südostbayernbahn

Andre
Rodenbeck, CEO Rolling Stock at Siemens Mobility: “We are proud to be
delivering Mireo Plus H hydrogen trains to Deutsche Bahn and thus enabling
emission-free mobility in our home region. Our hydrogen trains feature mature
technology, high energy efficiency, strong drive power, long operating range,
and low noise levels.“
“Hydrogen trains are an important building block for DB on its path to achieving climate neutrality,“ said Cornelia Würtz, Managing Director of DB RegioNetz Verkehrs GmbH. “By introducing the Mireo Plus H, we are helping drive the climate-friendly rail transport transition at Südostbayernbahn.“
“Hydrogen trains are an important building block for DB on its path to achieving climate neutrality,“ said Cornelia Würtz, Managing Director of DB RegioNetz Verkehrs GmbH. “By introducing the Mireo Plus H, we are helping drive the climate-friendly rail transport transition at Südostbayernbahn.“
The Mireo Plus H is a state-of-the-art hydrogen train based on Siemens
Mobility’s proven regional train platform, which is available with electric,
battery, or hydrogen-powered drives. On the hydrogen-powered variant, a
roof-mounted fuel cell and lithium-ion batteries installed beneath the car
floor ensure operation completely free of CO2 emissions. With its
hydrogen supply system and electric drive, the train has a high drive power of
1.7 MW that enables it to accelerate up to 1.1 m/s2 and reach a top
speed of 140 km/h. The train has a range of up to 1,200 kilometers on a single
tank of fuel, depending on factors such as the route topography and driving
style. The trains also have impressively low lifecycle costs and a rapid
fueling function that allows refueling in approximately 15 minutes, depending
on the fueling station. The Mireo design, based on an integrated lightweight
aluminum structure, is energy-saving and environmentally friendly. The train’s
improved aerodynamics, energy-efficient components and intelligent onboard
network management system also help reduce resources and emissions.
Hydrogen trains are acknowledged as an environmentally friendly
alternative to conventional diesel trains and offer several advantages:
- Environmental friendliness: Hydrogen trains only emit water vapor during operation and no harmful emissions such as carbon dioxide (CO2) or nitrogen oxides (NOₓ), helping to reduce air pollution and combat climate change. ·
- Flexibility: Hydrogen trains can operate on non-electrified railway lines since they convert their tanked hydrogen into electrical energy using on-board fuel cells and needn’t rely on overhead contact lines or other power sources. A two-car Mireo Plus H train has a range of up to 1,200 kilometers on a single tank of hydrogen.
- Noise reduction: Hydrogen trains are quieter than conventional diesel trains since they are electrically powered and produce less mechanical noise.
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 2024, which ended on September 30, 2024, Siemens Mobility posted revenue of €11.4 billion and employed around 41,900 people worldwide. Further information is available at:
www.siemens.com/mobility