The Wright Electrocity is a type of hybrid bus built by Wrightbus

Wrightbus

Wrightbus is an independent coachbuilder and pioneer of the low-floor bus. Based in Ballymena, Northern Ireland, it was established in 1946 by Robert Wright and currently run by his son William Wright.-History:...

. There were originally two prototypes, one based on Dennis Dart SLF chassis and the other based on DAF SB120 chassis. It was the first bus of its kind and later competed with the Alexander Dennis Enviro200H and the Optare Tempo

Optare Tempo

The Optare Tempo is a full-size single-deck bus manufactured by Optare and was launched in late 2004. It is marketed and sold as the replacement for the Optare Excel.It is designed as a lightweight bus, to use less fuel than traditional heavy duty integrals....

.

The first order of six Electrocity buses (based on VDL SB120

VDL SB120

The VDL SB120 is a low-floor light-weight midibus produced from 1999 by VDL Bus International of the Netherlands primarily for the UK market....

 chassis) was placed by Transport for London

Transport for London

Transport for London is the local government body responsible for most aspects of the transport system in Greater London in England. Its role is to implement the transport strategy and to manage transport services across London...

 for use on route 360

London Buses route 360

London Buses route 360 is a Transport for London contracted bus route in London, United Kingdom. The service is currently contracted to Go-Ahead London.-History:...

 (operated by Go-Ahead Group

Go-Ahead Group

The Go-Ahead Group plc is a rail and bus operating company that was created following the privatisation of the UK's train and bus industries. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index.-Early history:...

 subsidiary London Central

London Central

London Central is one of many operators of London Buses. It was established in late 1988 as one of 12 operating subsidiaries of London Buses Limited , and was privatised to the Go-Ahead Group in September 1994...

) and entered service in early 2006. These buses were meant to be the TransBus Enviro200H, but when TransBus went into administration in 2004, the bus side was bought by Alexander Dennis

Alexander Dennis

Alexander Dennis Limited is the largest bus builder in the United Kingdom. It incorporated the three last surviving bus manufacturers which started bus production before World War II: Dennis, Alexander and Plaxton.- History :Alexander Dennis was formed as TransBus on 1 January 2001, after the...

. The main aim for Alexander Dennis was to get the business out of trouble, so delivery of the Enviro200H was delayed. TfL eventually got impatient, and ordered the Electrocity.

Another five Electrocity buses were built for use on route 129, and entered service with Travel London in 2009. Although TfL intends to introduce significantly more hybrid buses

Hybrid buses in London

Hybrid buses are operated on a small number of bus services in London. The first were introduced in March 2006, and 56 are now used. Transport for London has stated that it intends to make all new buses delivered for use in London hybrids from 2012....

into service, no Electocitys are currently on order.