E-Bus models: What a 70% subsidy and conversion achieved for the TCO turnaround
Up to 425 km of range after an upgrade – and up to 70% of the additional costs were covered by the federal funding round. The call for funding ended on July 21, 2026; a follow-up call has not been announced. We analyze what this means for your bus fleet.
The topic briefly and concisely
Until July 21, 2026, the BMDV funding guideline subsidized the acquisition or conversion of e-buses with up to 70% and the charging infrastructure with 40%.
The Diesel-to-Electric (DTE) conversion is a sustainable and economical alternative to buying new, which preserves existing vehicle value and promotes the circular economy.
HEERO E-Bus models like the Tourer offer practical ranges of up to 400 km and can be quickly made ready for use again thanks to high DC charging capacity (up to 165 kW).
Rising diesel prices, strict climate requirements from the Clean Vehicles Directive, and high bureaucratic hurdles are putting pressure on fleet operators. Many are delaying electrification due to concerns about high investments and unclear economic viability. A sober look at the funding landscape helps: The funding directive of the Federal Ministry for Digital and Transport (BMDV) most recently granted a subsidy of up to 70% on the additional costs for a low level of electrification, otherwise 55%, for the purchase of new electric bus models or the conversion of the existing fleet. This guide pragmatically shows you how to set the course for a future-proof fleet, reduce the Total Cost of Ownership (TCO), and preserve valuable vehicle bodies. The 2026 funding call for buses ended on July 21, 2026.
Legal imperative: Why the time is ripe for e-buses now
The European Clean Vehicles Directive (CVD), implemented in Germany through the Clean Vehicles Procurement Act (SaubFahrzeugBeschG), creates concrete pressure to act. For public procurement authorities, a minimum quota of 45 percent for "clean" buses applies to new acquisitions during the reference period until the end of 2025. Half of this, i.e., 22.5 percent, must be completely emission-free. From 2026, these quotas will rise to 65 percent, of which half must be emission-free. These requirements make the switch to electric bus models no longer an option, but a necessity. Non-compliance with these quotas can lead to legal and financial consequences. The transition is therefore a strategic decision to secure your future operational capability. The decisive question is no longer whether, but how the transition can be achieved economically and efficiently.
Your 4-point action plan for cost-effective electrification
A structured approach remains crucial, even after the funding call for buses expired on July 21, 2026. With this field-tested plan, you can navigate safely through the process:
Needs Analysis and TCO Forecast: Analyze your current routes, schedule plans, and operating costs. We support you in calculating the Total Cost of Ownership (TCO) – the total operating costs over the entire service life – for various electric bus scenarios.
Funding Check and Application: In the 2026 call, the BMDV directive funded up to 70 percent of the additional costs of an e-bus or a conversion at a low level of electrification, otherwise 55 percent. We check your individual eligibility and classify which programs are currently open at all.
Define Vehicle Solution: Decide between purchasing new HEERO e-buses or the sustainable conversion of your proven existing vehicles.
Plan Charging Infrastructure: In parallel with the vehicle selection, the appropriate charging infrastructure must be designed. In the bus program, the funding rate for this was 40 percent; a follow-up call has not yet been announced.
Particularly the choice of the right vehicle solution is crucial for long-term success.
Circular Economy in Practice: The Benefits of Diesel-to-Electric Conversions (DTE)
Why replace an entire vehicle when only the drivetrain is outdated? The electric conversion is the core of our philosophy and often the most economical solution. In this process, we replace the diesel engine and the fuel tank with a modern HEERO electric drive and battery systems. This reduces investment costs by up to 40 percent compared to buying a new vehicle. This approach is a prime example of the circular economy, as it extends the service life of an existing vehicle chassis and expensive special bodies. The advantages are obvious:
Investment protection: Your expensive and proven vehicle bodies are fully preserved and continue to be used.
Sustainability: Over its service life, a conversion causes around 40 percent fewer emissions than purchasing a new electric vehicle.
Speed: The conversion of a vehicle is completed in just a few weeks, whereas the delivery times for new Bus Hersteller often amount to many months.
Cost-effectiveness: You benefit from lower acquisition costs; the BMDV funding recently covered up to 70 percent of the additional costs, with the call ending on July 21, 2026.
For fleets planning an addition or a complete replacement, our new vehicles offer specialized performance profiles.
Specialized HEERO e-bus models for every purpose
Our electric bus models are based on proven technology and are optimized for specific requirements in passenger transport. Each model offers a field-tested combination of range, charging capacity, and passenger capacity.
Low-floor buses for modern public transport
For regular service in cities and municipalities, we offer two specialized low-floor models. The HEERO mid-low-floor bus features a battery capacity of 137 kWh gross (115 kWh net) and can be fast-charged with up to 165 kW DC, enabling a range of up to 300 kilometers. Our rear-low-floor bus, equipped with a 110 kWh battery (96 kWh net) and 135 kW charging capacity, also achieves a range of up to 300 kilometers and is perfectly suited for flexible urban routes. Discover the technical data of our Mercedes electric buses.
Flexible passenger transport with the HEERO E-Tourer
The HEERO Tourer is the ideal solution for shuttle services, on-demand transport, or as an electric minibus for up to nine people. With a 110 kWh battery (96 kWh net) and a DC charging capacity of up to 135 kW, it achieves an impressive range of up to 400 kilometers. This means that even longer cross-country journeys or airport transfers are easily possible without intermediate charging. This electric minibus sets new standards in its class. However, pure vehicle performance is only one side of the coin; total lifetime costs determine economic efficiency.
TCO Analysis: How E-buses Provenly Reduce Operating Costs
The Total Cost of Ownership (TCO) is the decisive key figure for the profitability of your fleet. It includes all costs from acquisition to operation and maintenance. While e-buses are more expensive to purchase, this disadvantage is reversed over their service life. Studies show that maintenance costs for an e-bus are up to 40 percent lower than for a diesel counterpart, as oil changes and exhaust system maintenance are eliminated. In addition, energy costs per kilometer are significantly lower and more stable than fluctuating diesel prices. The BMDV funding significantly lowered the investment hurdle in the 2026 call: up to 70 percent on the additional acquisition costs, otherwise 55 percent, and 40 percent on the charging infrastructure; the call ended on July 21, 2026. Start your individual TCO analysis and see for yourself how quickly the transition pays off, even without a subsidy. In order to exploit the full potential of reducing TCO, a well-thought-out charging infrastructure is essential.
Charging infrastructure: The strategic backbone of your e-fleet
An efficient charging infrastructure is the key to the successful operation of e-bus fleets. Planning must take operational processes, routes, and idle times into account. Our HEERO e-bus models are designed for high charging capacities. The medium low-floor bus charges with up to 165 kW, all other models with up to 135 kW. This means that during a short break of 30 minutes, the battery can be recharged to 80 percent. The BMDV directive funded the necessary charging infrastructure with 40 percent of the investment costs; the 2026 funding call ended on July 21, 2026. This included not only the charging stations themselves, but also grid connections and necessary construction work. We analyze your requirements and consider the infrastructure costs directly in your e-bus purchase and funding planning. This results in a future-proof and highly available charging solution.
More useful links
Bundesministerium für Wirtschaft und Energie offers a final report on the accompanying study of electric buses in public transport.
PwC provides information and analyses on the market for electric buses in the public sector.
Statista provides statistics on the number of electric buses in Germany, broken down by drive type.
Bundesministerium für Digitales und Verkehr provides information on the milestone of 1,000 funded electric buses.
PwC offers an accompanying study on the funding of electric buses in public transport.
DEKRA provides information on converting vehicles to electric drive.
Nationale Plattform Zukunft der Mobilität (NPM) offers a report on the topic of electromobility.
Verband Deutscher Verkehrsunternehmen (VDV) provides information on its e-bus project.
