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In 472kW/h iteration, the Enviro400EV is claimed to have an overall battery energy throughput of 1.4 GW/h before that storage requires replacement at 70% of original capacity. Alexander Dennis believes that the 1.4GW/h figure is 40% higher than any competitor vehicle. A bare Enviro400EV chassis gives an idea of battery placement strategy; they are location within the white boxes
The manufacturer states that “Sample analysis shows that thanks to its class-leading 1.4GWh energy throughput, the Enviro400EV will be able to cover two consecutive seven-year contract terms on typical Transport for London routes without a battery change, or typical provincial routes for up to 20 years with just one mid-life change of batteries”. While the bus is 2.35m wide, Alexander Dennis has used full-width seats. 25 are fitted, with a total passenger capacity of up to 45. A turning radius of 8.6m is claimed and the OEM says that the Enviro100EV will have the same 20-year design life as its bigger brothers.
Performance Curve
The Enviro100EV was announced as a new model in the Alexander Dennis range on 1November2022 at the Euro Bus Expo at the National Exhibition Centre in Birmingham, England, with the first production model unveiled a year later on 1 November 2023. Series production is set to commence in early 2024. [1] [2] The in-house battery-electric models from Alexander Dennis will be followed by an Enviro200EV, but President and Managing Director Paul Davies explains that the Scottish OEM’s relationship with partner BYD is unaffected by the range extension. BYD ADL Enviro200EV and Enviro400EV products remain available and there is no intention of dropping them. That total takes into account power input and output as a result of regenerative braking and is thus not directly related to overall energy consumption. But the OEM says that route modelling has shown that such a capability will allow the bus to complete two, seven-year Transport for London route contract terms before battery replacement is needed. The JSESSIONID cookie is used by New Relic to store a session identifier so that New Relic can monitor session counts for an application. Perhaps most significant of the two new battery-electric buses shown by Alexander Dennis is the Enviro100EV. Mr Gall believes that it will “create a new market segment.” The manufacturer is already talking of the Enviro100EV as a successor for the ‘go-anywhere’ 8.9m Enviro200 diesel. As previously noted, there is future scope for it to be shortened below 8.5m, he adds.
A cookie set by YouTube to measure bandwidth that determines whether the user gets the new or old player interface. The electric buses are powered by BYD Iron-Phosphate Battery technology providing a longer driving range and optimised battery life. They also benefit from BYD’s innovative chassis, incorporating a ‘6 in one controller’ integrating the entire ecosystem of the bus for improved reliability.Assembly of the Enviro400EV will be focused on the Alexander Dennis plant in Larbert, where a new production line has been established. The first customer examples, for Stagecoach and Transdev Blazefield, are well underway, although they are likely to be finished before homologation of the model is completed. Hence, they will not enter service immediately.
The Enviro100EV, meanwhile, is what Alexander Dennis calls “a gamechanger”. It will be 8.5m long and 2.35m wide, suiting it to a variety of roles. Up to 25 seated passengers, and a total capacity of 45, will be offered on the bus, which will ride on 17.5in wheels.Use of VEDS in the buses represents further success for Voith with UK bus manufacturers. Those customers currently account for around 70% of VEDS production. The Alexander Dennis Enviro100EV is an upcoming electric midibus to be built by British bus manufacturer Alexander Dennis. The body of the bus is to be assembled in Zhuhai in China, while the chassis of the bus is to be assembled with the body at the Alexander Dennis factory in Scarborough in England. [1] [2]
Design language of the buses is described by Mr Gall as being akin to “modern architecture,” although he believes that they retain the recognisable characteristics of Alexander Dennis vehicles. Building on the comprehensive expertise gained as the UK market leader for low, ultra-low and zero-emission buses and benefitting from learnings across NFI Group, Alexander Dennis has developed a new zero-emission technology platform as the basis for a new generation of battery-electric and hydrogen-fuel cell buses. In addition, the company will continue to offer the hugely successful electric buses of the BYD ADL partnership, giving cities, transport authorities and bus operators even more options to meet their operational requirements. The working environment for bus drivers has also been improved with a new steering wheel, configurable dashboard display and improved heating, cooling and ventilation in the cab. ADL is a subsidiary of leading independent global bus manufacturer NFI Group Inc. (NFI), while BYD is the world’s leading manufacturer of new energy vehicles (NEV) and power batteries. The 11.1m Enviro400EV is a crowd shifter, says Alexander Dennis Group Engineering Director Chris Gall. President and Managing Director Paul Davies meanwhile describes the 8.5m Enviro100EV as “having a place in every fleet,” particularly noting its suitability to rural routes. Both have been designed around the needs of passengers and operators, adds Mr Gall.
The Enviro400EV will be assembled in Larbert, where Alexander Dennis has transformed its facility and overhauled its build process by introducing digital support tools and reducing the number of build stages to improve material, process and quality control. Along with a next-generation electric driveline and the new, future-proof Alexander Dennis battery system, the new buses introduce a striking design language that enhances their kerb appeal and makes a bold statement of investment in cleaner transport.
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