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Repowering Diesel Buses with Electric Conversions

NewPower by Wrightbus

NewPower by Wrightbus offers a groundbreaking solution by repowering mid-life diesel buses, making it more affordable to decarbonise fleets while improving air quality in the communities they serve. Wrightbus, the first bus manufacturer to launch repowering at scale, has successfully led the OEM charge for bus repowering. NewPower accelerates the decarbonisation of commercial transport across the UK, ensuring zero carbon emissions on all journeys.

Repower Range of Buses

Wrightbus StreetDeck
All diesel and hybrid variants of the StreetDeck are eligible.
Wrightbus New Routemaster
All variants of the New Routemaster are eligible.
Volvo Powered StreetDeck Buses
NewPower

NewPower UK has Collected The Statistics From The First 35 000 Miles In Service Of It’s Fleet

Each repowered bus has its diesel engines replaced with new zero-emission electric powertrains in our hi-tech Bicester factory in Oxfordshire, saving 70tonnes of CO2 emissions per bus per year.

0
Miles on single charge
0
%
Better TCO than diesel
0
%
Reduction In Maintenance & Energy Costs

NewPower TCO 21% Better than Diesel

47% reduction in maintenance costs
47% reduction in energy costs
22% increase in OPEX rebates available
Reduce Emissions
70 tonnes of emissions saved per annum per bus

StreetDeck Repower

Axles

Existing axles retained : GVW 18,000 kg

Electric Driveline

Voith Electric Drive System (VEDS) 230kW

Battery System

  • Forsee Power Zen 77+
  • 77kWh modular battery packs 308kWh (4 pack) or 385kWh (5 pack)
  • Max. useable capacity 80%
  • NMC battery chemistry

Charging

Up to 150kW DC charge rate CCS2.0

HVAC

Grayson Thermal Heat Pump integrated with existing HVAC unit.

Electrical Architecture

  • All engine-driven auxiliaries electrified
  • High-voltage EV electrical system integrated with existing 24V electrical architecture
NewPower Technology

Repower Solutions

Zen+77 x 4 String (308kWh)

  • Battery packs fitted to the rear of the vehicle and contained within the current engine compartment.
  • Cradle to house all battery packs with ability to slide complete system in and out of the vehicle.
NewPower Bicester

Zen+77 x 5 String (385kWh)

  • Additional battery pack located in the main saloon floor over the NS front wheel arch.
  • Additional Fibreglass cover to integrate with the existing wheel box.
Ryze Power EV Charging

Ryze PowerRecharging Solutions

Together with Ryze Power, we provide the confidence that your transition to zero-emission transport is fully supported — from drivetrain to charging:

  • Proven Expertise — Ryze Power brings industry-leading knowledge in charging solutions.
  • Flexible Options — From depot chargers to rapid-charging stations, tailored to your operational needs.
  • Smarter Energy Use — Intelligent charging management that reduces costs and optimises performance.
Learn More