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BYD UK and Alexander Dennis Limited (ADL) jointly confirmed that their electric vehicle partnership, the UK’s leading electric bus producer, will deliver the UK’s largest-ever electric bus order.

The order has been placed by RATP Dev London, one of Transport for London (TfL)’s principal bus operators, for a total of 195 single and double deck vehicles.

With this order, RATP Dev London confirms its commitment to supporting TfL’s electrification plan for London’s bus network, a key objective of the Mayor’s Transport Strategy for 2018, under which all TfL buses will be zero emissions by 2037, with all of London’s transport becoming emissions-free by 2037.

BYD is a global leader in batteries, energy management and electric mobility. ADL is a subsidiary of a leading independent global bus manufacturer NFI Group Inc. (NFI).

BYD ADL Enviro400EV double-deck eBus

The record order comes as the BYD ADL partnership continues to go from strength to strength, just five years after it was launched, thanks to its proven combination of BYD’s world-class battery-electric driveline technology and ADL’s British-built bodies, which can be fully customised to reflect operating requirements.

In London alone, over 400 BYD ADL electric buses have cumulatively covered over 20 million zero-emission miles, with close to another 300 vehicles on order including this latest intake for RATP Dev London. RATP Dev London will be the largest operator of electric buses in London by the beginning of 2022, with close to 25% of its London United and London Sovereign fleet fully electric.

Deliveries of RATP Dev London’s latest BYD ADL fleet will begin in the summer. 68 BYD ADL Enviro200EV single decks – including 21 compact 10.2-metre models – and 127 BYD ADL Enviro400EV double decks will be based at RATP Dev London’s Fulwell, Harrow and Shepherd’s Bush depots to serve routes in the west of the capital.

The buses will join 36 existing BYD ADL single decks in service since 2018 and 29 BYD ADL double decks delivered last year. Feedback from RATP Dev London on these in-service vehicles has been very positive, with the double-deck BYD ADL Enviro400EV, in particular, delivering exceptional reliability on 24-hour route operations.

BYD ADL Enviro200EV single deck eBus

RATP Dev London Managing Director Catherine Chardon said electrification is a critical part of our business and partnership with Transport for London (TfL).

“We launched our two first 100% electric routes less than two years ago, as well as London’s first fully electric 24-hour double-decker bus route last year. By the beginning of 2022, we will operate 15 zero emission routes and have five of our garages converted to electric. This agreement will help RATP Dev London position itself as the leading electric bus services provider in the city. We are proud to work hand in hand with TfL to help London achieve its sustainability goals,” said Catherine Chardon.

BYD UK Managing Director Frank Thorpe said this is a hugely significant moment in the development of the BYD brand in the UK.

“Public transport in the capital often provides the blueprint for other towns and cities and the fact that a major operator like RATP Dev is making such a substantial commitment to eMobility will, I believe, resonate with Local Authorities across the UK. The increasing electrification of routes by TfL operators is delivering long-term productivity to their fleets and real environmental benefits for Londoners,” said Catherine Chardon.

ADL President and Managing Director Paul Davies said RATP Dev London’s record order is a resounding vote of confidence in our British-built electric buses and ADL’s proven ability to tailor these to authorities and operators’ requirements. These buses will build on our pioneering work in support of Transport for London’s Bus Safety Standard with a focus on safety for drivers, passengers and other road users.”

RATP Dev London

RATP Dev London operates bus services across London, covering London United Busways, London Sovereign and Quality Line Networks, transporting 271 million passengers annually. It is the trading name for the London Bus operations of RATP Dev, which operates and maintains urban and intercity transportation systems across four continents. RATP Dev is a wholly owned subsidiary of RATP Group.


BYD Company Ltd. is one of China’s largest privately-owned enterprises. Since 1995, the company has pioneered the development of rechargeable batteries and remains fully committed to the global programmer of decarbonsation, successfully expanding its renewable energy solutions with operations in over 50 countries and regions. Its creation of a Zero Emissions Energy Ecosystem comprises electric passenger transport and road transport, rail transit, affordable solar power generation, reliable energy storage, rechargeable batteries, solar panels and other new energy products. BYD UK, based in Iver, Buckinghamshire, is primarily engaged in providing UK customers with electric bus solutions supported by dedicated aftersales services.


Alexander Dennis Limited (“ADL”) is part of leading global independent bus manufacturer NFI Group Inc. (“NFI”). Leveraging 450 years of combined experience, NFI is leading the electrification of mass mobility around the world. With zero-emission buses and coaches, infrastructure, and technology, NFI meets today’s urban demands for scalable smart mobility solutions. Together, NFI is enabling more livable cities through connected, clean, and sustainable transportation.

ADL is a global leader in the design and manufacture of double deck buses and is also the UK’s largest bus and coach manufacturer. ADL offers single and double deck vehicles under the brands of Alexander Dennis and Plaxton, and has over 31,000 vehicles in service in the UK, Europe, Hong Kong, Singapore, New Zealand, Mexico, Canada and the United States. Further information is available at and

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