According to the manufacturer, this equipment allows (in addition to the braking energy recuperation by a regenerative braking system) compared to conventional hybrid buses significantly extending the travel time in electric mode and a reduction in fuel consumption.

The vehicle and the charging system were first presented to the public in September 2014 at the International Motor Show.

[3][4] Three prototypes were operated in Gothenburg with pre-production examples to be trialled in Hamburg, Luxembourg and Stockholm.

[7][8] In September 2017, a Volvo 7900 Electric demonstrator vehicle (LF67 EVV) entered service with First Greater Manchester.

The Harrogate Bus Company subsequently placed the first firm order for the 7900 Electric, with eight examples due to enter service in 2018.

In July 2013, Nettbuss took delivery of six diesels for Kongsberg and in October 2013, 17 hybrid buses for Oslo.

In 2020 operators like Transdev, Nobina and Vy ordered large numbers of 7900 Electric, both rigid and Aticulated.

In the United Kingdom, where the hybrid version and Electric options are available, The Harrogate Bus Company operates 8, Lothian Buses operate a fleet of fifty and Stagecoach West Scotland have a fleet of 6 which entered service in 2021.

[28][29] Belgium : In Brussels STIB operate, as part of a test, from 31 July 2017 to mid-September 2017 one 7900 Hybrid on route 64.

[32] In May 2020 the STIB ordered another batch of 128 Volvo 7900 Hybrid, these buses will replace the oldest VanHool NewA330 from 2007 (fleet number 8101 to 8227).

In December 2014, the transport company Hamburger Hochbahn put the first buses of this type into operation on the Innovation Line 109.