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.
Hamburger Hochbahn, the largest local transport provider in Hamburg, is working with Siemens Smart Infrastructure to equip its bus depot in the Alsterdorf quarter with electric charging technology.
The company 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. Conversion of the depot infrastructure is underway in parallel with vehicle procurement.
Siemens will equip two of the six carports at the depot with a total of 96 charging points as well as medium- and low-voltage technology. Operations are scheduled to start in summer 2021. With a total of 240 parking spaces, it is one of the largest and most modern bus depots for electric buses in Europe.
“In equipping the bus depots with the necessary charging infrastructure, it is important for us to have a single-source partner [which] can deliver future-proof charging infrastructure along with all the necessary electrical components and services,” said Bastian Schmidt, project lead for infrastructure electromobility at Hamburger Hochbahn.
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.
“Saving space when integrating charging technology is important especially in city infrastructure. In this project, rooftop installation was an appropriate solution”
All the charging technology is housed in a technology control centre 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,” added 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 customers’ 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 metres and was opened in April 2019 by Hamburger Hochbahn. It is, reportdedly, 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.
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