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When it comes to electric buses, the first thing that jumps out at you is the purchase price, which is still higher than traditional diesel vehicles. But stopping at the initial outlay risks obscuring the overall picture. The real indicator that tells the story of a vehicle’s value for money, especially in local public transport, is the Total Cost of Ownership (TCO), i.e. the total cost of ownership in the long term. The TCO is not limited to the list price but considers all expenses associated with the operating life, including:
In the local public transport sector, the adoption of battery electric buses (BEBs) is becoming increasingly popular due to the competitive advantage offered by a lower TCO compared to conventional diesel buses.
Why is the TCO of electric buses lower than that of the endothermic engine?
Many public transport operators evaluate BEBs with a traditional approach, focusing on the initial purchase cost, which is generally higher than for diesel vehicles. However, the TCO shows that the overall cost of an electric bus is more advantageous in the long run.
1. Lower energy costs
Electricity has a lower and more stable cost than diesel, significantly reducing the expense of refuelling. In addition, thanks to smart charging strategies, BEBs can take advantage of subsidised energy rates during off-peak times, further optimising savings.
2. Lower maintenance costs
The mechanical simplicity of a BEB is an often underestimated advantage. No oil changes, no exhaust system to maintain, brakes that last longer thanks to regenerative braking. The result? Up to 30-40% savings in maintenance costs compared to a diesel bus.
3. Charging infrastructure: initial investment, but lower running costs
One of the aspects that often concerns operators is the installation of the charging infrastructure, which represents a significant initial investment. However, charging stations have a longer service life than the buses themselves and lower maintenance costs, thus optimising the initial investment over time.
In addition, smart charging strategies and energy storage systems (second-life batteries) balance energy demand and reduce grid connection costs.
4. Incentives and financing
The push towards electric mobility also comes from institutions. Governments and local administrations are incentivising the transition to zero-emission buses with:
A package that helps to drastically lower the overall costs and make the TCO of eBuses even more competitive.
