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E-Bus in Graz, Austria

Fast-charging supercaps are the main source of energy for environmentally friendly electric buses in Graz. They carried passengers on the Graz lines from November 2017 until October 2018 as part of the initiative from Graz Holding, holding test operations for a one year duration to find a green innovative transport solution for the future.


Statements from Dipl.-Ing. Andreas Solymos, Graz Holding:

“The test operation shows that supercaps are technically well suited to operate city bus traffic without emissions. Particularly noteworthy is the feature of the supercaps to be charged with high currents in a very short time, which results in short standing times at the charging stations.”

“Our Chinese partners were always giving their best to support the project in the best way possible. Certainly, we also faced some linguistic and cultural challenges sometimes, but all of these have been mastered. The representations of CRRC in Europe played an important role at this part.”

Technical Parameters

Energy Storage SystemMain Power Source: Super Cap
Auxiliary Power Source: LTO
Endurance Mileage51 km
Max. Operation Speed70 km/h
Passenger Capacity135 Passengers
20-53 (seats)
Dimensions17 945 mm x 2 540 mm x 3 535 mm
Max. Grade Ability12 %
Min. Turning Radius12 m
Empty Weight18,8 t
Full-Load Weight28 t
Floor Height320 mm
Charging ModePantograph. 600kW in middle stations, 30~60s;
300kW in terminal stations, less than 10min

Operation in Graz, Austria

Length of Route7,3 km
Charging Mode In middle station “Museum der Wahrnehmung”
> charge 30s at 600kW

In terminal station “Theyergasse”
> charge less than 6min. at 300kW.