Spotlight: Electrification of commercial vehicles

Practical support for the transformation of company vehicle fleets

The electrification of heavy-duty transportation is no longer a vision for the future— it is an operational reality. However, the transition to electric vehicles presents fleet operators and municipal services with new challenges: How can vehicle availability be maximized? How can batteries be used optimally without shortening their service life? How can the flood of data be transformed into concrete recommendations for action, and how can electric commercial vehicles be charged safely, quickly, and in a space-efficient manner without costly overhauls of existing operational structures?

With the IVImon analysis platform, the Underbody Charging System (UBCS), and a wide range of consulting services, Fraunhofer IVI offers answers to these questions.


Economic and political conditions are currently creating favorable circumstances for the transition to e-mobility. The German federal government is supporting the expansion of charging infrastructure for battery-electric heavy-duty commercial vehicles—including both company-owned depot solutions and publicly accessible charging stations. At the same time, the toll exemption for zero-emission trucks has been extended through mid-2031, providing companies with longterm planning certainty and enabling them to achieve significant operational cost savings compared to diesel vehicles. Rising diesel prices, as well as stricter climate protection and CO2 targets, are also increasing the economic pressure to decarbonize road freight transport. At the same time, real-world examples from the logistics sector show that electric trucks can already be operated profitably today, particularly in regional transport and especially when using in-house charging solutions that enable high vehicle utilization rates. Added to this are technological advances in range, charging speed, and charging infrastructure. Against this backdrop, now is a particularly opportune time to invest in e-mobility, gain experience, and benefit from subsidies and regulatory advantages.

Comprehensive support for the transition to electric vehicles

Fraunhofer IVI works hand in hand with partners from industry and academia and draws on in-depth expertise in the development of disruptive technologies. The institute‘s researchers analyze the specific requirements derived from each operator’s or municipality’s particular use case and identify the core objectives of the innovation. This leads to cost- and energy-efficient solutions for the electric mobility challenges of tomorrow.

Beyond charging infrastructure, the institute provides consulting on all aspects of the transition to electric vehicles—from operational planning to calculating economic viability—and works with users to develop appropriate implementation strategies. Fleet operators, municipal services, and logistics companies thus receive support throughout the entire value chain, including fleet design, the development of operational and charging strategies, and assistance with issues of data sovereignty in battery monitoring and analysis.

IVImon dashboard for trolley buses
© Fraunhofer IVI
Application example: Analysis of trolley bus fleets.
IVImon dashboard for electrification plans
© Fraunhofer IVI
Application example: Analysis of factory shuttle services as a basis for electrification plans in shipping and logistics.

Data-driven analytics for cost-effective fleet operation with IVImon

To ensure optimal use of charging times and batteries, modern solutions today rely on detailed route planning, intelligent charging strategies, and precise range predictions. In addition, new business models centered on batteries are emerging, such as separate leasing of vehicles and batteries, partnerships with charging infrastructure operators, and new service center concepts.

A key focus in this context is on data-driven approaches. With this angle in mind, Fraunhofer IVI is developing telemetry and analysis systems that generate real added value from vehicle and battery data, and integrates these with smart charging and infrastructure solutions. This enables efficient battery use and helps shape mobility for the future.

The IVImon analysis platform developed at the institute is specifically designed for fleet applications in areas such as logistics, freight shipping, and municipal operations. Its goal is to ensure and optimize the cost-effective operation of electric vehicles through data-driven decisions.

A general fact is usually the following: the data is available, but its potential is far from being fully realized. IVImon combines state-of-the-art analytics with practical functions that significantly simplify day-to-day fleet management. Real-time remote diagnostics enable the continuous monitoring of battery states and aging processes without having to take vehicles out of service. Operators have insight into critical parameters at all times and can take proactive steps.

Long-term data retention is the foundation of IVImon. The continuous recording of relevant parameters creates a kind of digital twin of the fleet, making it possible to track developments over months and years—an essential basis for investment decisions and maintenance planning. Costly downtimes can be avoided: The system identifies anomalies and performance deviations at an early stage, long before they lead to critical operational disruptions. By adapting operating and charging strategies to the actual battery conditions, service life can be extended by up to 20 percent.

The IVImon platform is not being developed in an ivory tower, but rather in close collaboration with fleet operators, manufacturers, and other stakeholders. In workshops, analytical procedures and evaluation methods are specifically tailored to the requirements of real-world operations. Customizable dashboards ensure that all IVImon users receive exactly the information relevant to their role—from dispatchers to technicians to managing directors. The dashboards, too, are continuously refined in collaboration with users.

A long-term study on public transport vehicles conducted by Fraunhofer IVI demonstrates that data-driven fleet management is not just theoretically sound: Over a period of more than two years, the energy consumption and charging behavior of an urban electric bus fleet were analyzed in detail. The results show that targeted adjustments to operations and to charging management can reduce energy consumption, extend battery life, and significantly lower CO2 emissions without requiring major changes to operational procedures.

Detail of the Underbody Charging System (demonstrator).
© Fraunhofer IVI
Detail of the Underbody Charging System (demonstrator).

Intelligent charging infrastructure as the key to availability

Whether for light vehicle fleets, heavy trucks, ferries, or large machinery: Professional users need charging processes that do not slow down operations. Specifically, this means that maximum amounts of energy must be transferred in the shortest possible time without disrupting workflows and with minimal effort on the part of the operating staff. An optimal charging system integrates seamlessly into the operational schedule, requires virtually no user interaction, and thus ensures maximum equipment availability.

The UBCS in practical use with a truck
© Fraunhofer IVI
The Underbody Charging System can be driven over and automatically charges e-vehicles in a space-saving and safe way.
Detail of the system's vehicle and road interfaces
© Fraunhofer IVI
The underbody charging system's road interface is recessed into the ground; the vehicle interface is located at the vehicle underbody.

Underbody Charging System: automated, space-saving, future-proof

Municipal services, logistics companies, and operators of large depots often face the same question: How can we electrify our fleetswithout having to acquire additional space? One solution that addresses this challenge is a system that enables automated, space-saving charging via the vehicle underbody.

Based on many years of experience and pre-competitive research, Fraunhofer IVI developed the Underbody Charging System (UBCS). Unlike inductive systems, which have comparatively long charging times and high energy losses, the UBCS operates conductively. Thanks to the butting principle optimized at the institute, it does not require active cooling and is therefore ideally suited for high charging power.

The infrastructure component of the charging system is recessed into the ground. Once a vehicle is positioned above it, an automated charging process can be started at the push of a button. The contact unit then extends out of the ground, connects to the interface on the vehicle, and transfers energy at high power. There is no need to handle heavy plugs at any time.

Another advantage: The existing infrastructure can remain unchanged. Vehicles are parked side by side, just as before. Additional charging stations that would block parking spaces are not necessary.

The technology is also practical from an economic point of view. Installation only requires standard civil engineering work without any additional specialized structures. Especially in cities where every additional square meter is expensive, the system can be integrated into already planned renovations or refurbishments without requiring major restructuring of the existing space. For operators, this means planning certainty because they are investing in charging infrastructure that will remain usable in the long term, even as vehicle models change in the future.

Fraunhofer IVI invites municipalities and companies whose fleets are about to be electrified, those rethinking their depot strategy, or those planning new investments, to participate in further pilot projects.

Through a combination of comprehensive consulting, data-driven decision support, and smart charging infrastructure—including automated underbody charging systems—, the institute is developing solutions that not only enable the transition to electric mobility but also make it economically viable and ensure its long-term sustainability.

More information

Empirical Energy Consumption Estimation and Battery Operation Analysis from Long-Term Monitoring of an Urban Electric Bus Fleet

Study on optimized battery strategies for public transport, published in World Electric Vehicle Journal

Unterbody Charging System for e-vehicles in municipal operations

Article published in Kommunal Digital (German only)