Siemens to Supply Electric Bus Charging Infrastructure in Germany

Siemens has received two orders to supply electric bus charging infrastructure in Hamburg and Saarlouis, Germany.


In Hamburg, Siemens will supply a total of 20 SICHARGE UC charging points to support Hamburger Hochbahn AG in transitioning to an entirely zero-emissions fleet by 2030. The chargers will have a nominal power of 150 kW and will be installed on a truss system across five outdoor lanes.

Electric Buses Hamburg
Following a resolution of the Senate of Hamburg, Hamburger Hochbahn AG has exclusively been purchasing e-buses since 2020

Under this contract, Siemens will also provide the related medium- and low-voltage technology to connect the chargers to the grid. This includes its SIVACON S8 low-voltage switchgear and an energy-efficient ventilation unit with separate ducts for the cold and warm air, which will enhance energy savings during charging.

Furthermore, the contract includes the necessary communications technology to integrate this infrastructure into Hamburger Hochbahn AG’s charging and depot management system.

Commissioning of the upgraded facility is scheduled for early 2024. Siemens will then ensure the charging infrastructure remains operational during a five-year maintenance and service contract.

This order follows Siemens’ successful installation of 141 SICHARGE UC charging points at the Alsterdorf bus depot from 2021 to 2023.

What’s more, Siemens is continuing to work with Hamburger Hochbahn AG to optimise its charging and depot management systems. This could include the implementation of bidirectional power flows in the long term.


In Saarlouis, Siemens is working with Kreisverkehrsbetriebe Saarlouis (KVS GmbH) to support the rollout of battery-electric buses.

This project includes the supply of 20 SICHARGE UC charging points, alongside their integration into the medium-voltage grid.

This work is also complemented by a multi-year maintenance contract.

Markus Mildner, CEO of eMobility at Siemens Smart Infrastructure said:

“Electromobility is one of the most important levers for reducing greenhouse gas emissions. We are pleased to provide state-of-the-art charging technology and efficient software solutions to make this transition easy and economically attractive for bus fleet operators.”

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