Wednesday, November 13, 2024
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Alexander Dennis announces charging efficiency

Bus manufacturer Alexander Dennis has announced that Zemo Partnership testing has confirmed a 97% charging efficiency for its next-generation electric buses.

The charging efficiency has been achieved by “careful system integration and optimisation”, it said with the manufacturer’s engineers working in close partnership with driveline supplier Voith Turbo, battery system provider Impact Clean Power Technology and HVAC specialists Grayson Thermal Systems.

The 97% grid-to-wheel efficiency is one of the best recorded in UK zero-emission bus certification to date.

It further enhances the overall efficiency of Alexander Dennis’s next-generation electric buses, which were earlier certified with a benchmark 0.67kWh/km driveline energy consumption over the UK Bus Cycle for the Enviro400EV, and 0.54kWh/km for the Enviro100EV.

The independent data from Zemo Partnership testing shows that the Enviro400EV can reduce energy cost by at least 14% compared to other certified electric double decker of similar battery size under UK Bus Cycle testing conditions.

Total cost of ownership is further reduced by the longer battery life of Alexander Dennis’s next-generation electric buses, enabled by class-leading warrantable energy throughput of up to 1.6GWh.

Alexander Dennis Group Engineering Director, Chris Gall, said:

“We have focused on delivering benefits for our customers throughout the development of our next-generation electric buses. We’re delighted to announce a stunning 97% grid-to-wheel efficiency, certified by the Zemo Partnership’s zero-emission bus testing.

“This will minimise energy requirements and slash costs for customers by delivering sustained savings throughout their buses’ long operational lives.

“This is once again testament to the fantastic expertise of our engineering team and the collaborative working culture we have fostered with our key partners Voith Turbo, Impact Clean Power Technology and Grayson Thermal Systems.”

Image courtesy of Alexander Dennis

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