UK bus manufacturer Alexander Dennis is set to provide the National Transport Authority (NTA) with up to 600 Enviro400ER double decker hybrid buses over the next five years.
Alexander Dennis Ltd. (ADL) said the first 100 buses have been ordered and are to be delivered this autumn.
Each vehicle will reportedly cost around €450k.
The NTA signed a single supplier framework agreement with Alexander Dennis, which covers the purchase of double decker diesel-electric hybrid buses for up to five years.
ADL won the supplier contract after presenting the best offer. The buses will be provided to both Dublin Bus and Bus Éireann.
The 11 metre long Enviro400ER is capable of running in zero emission mode for at least 2.5 kilometres.
It utilises the BAE Systems Series-ER hybrid system with a 32kWh next-generation lithium-ion battery energy storage system that can be charged externally via a plug-in connection, meeting the requirements of the European Union’s Clean Vehicles Directive.
ADL said the Enviro400ER switches off its diesel engine at low speeds during approach to and departure from stops and when stationary.
The first 100 buses will seat 66 passengers and will be wheelchair and baby buggie friendly.