Energy / Europe
Monitor Europe energy trends, electricity markets, supply pressure, regulation and regional resource dynamics.
Energy-Charts Talks 01.12.2025: Zukünftige Systemtechnik für große Ladestationen und -hubs
Topic
Charging Infrastructure Development in Germany
Key insights
- The current status of charging infrastructure in Germany shows a growth in charging points, but at a slower rate than previous years.
- In 2025, the growth of charging points is expected to continue, with a notable increase in charging power, particularly for speed charging points.
- % of the increased charging power is attributed to speed charging, while AC charging points also show exponential growth.
- The focus is on the 6.3 million users of LKWs who need charging solutions, highlighting a gap in heavy charging infrastructure.
- The network development plan forecasts the growth and development of the charging network over the next two years.
- Current plans indicate a goal of 300,000 power supply points and 2.3 million electric vehicles on the streets of Germany.
Perspectives
Focused on charging infrastructure and its development challenges.
Andreas Hensel
- Highlights the slowing growth of charging infrastructure in Germany
- Emphasizes the need for increased charging power for heavy trucks
- Proposes solutions for the network development plan to accommodate electric vehicles
- Presents data on the current state of charging points and their distribution
- Warns about the insufficient infrastructure for heavy electric vehicles
- Describes the importance of integrating renewable energy sources into charging systems
Neutral / Shared
- Notes the current statistics on electric vehicle sales and charging point distribution
- Mentions the role of logistics in developing charging infrastructure
Metrics
charging_power_percentage
71%
percentage of increased charging power attributed to speed charging points
Indicates the significant role of speed charging in the overall charging infrastructure growth.
the speed charging points are in the meantime, and that we are almost 71% of the increased charging power over the speed charging.
electric_vehicles_goal
2.3 million vehicles
goal for the number of electric vehicles on the streets of Germany
Highlights the expected increase in electric vehicle adoption and the need for corresponding infrastructure.
about 2.3 million. This is a goal that is now in the bottom line that we have in Germany on the streets.
capacity_mw
400 kW MW
maximum capacity of CCS charging for trucks
High-capacity charging is essential for efficient logistics and reducing downtime.
DC charging in the maximum 400 kW.
capacity_mw
50 kW
normal case connection in a Porsche car house
Indicates the power output capacity for charging, crucial for EV infrastructure planning.
the connection in this car house is a little 50 kW in a normal case
capacity_mw
60 to 70%
charging efficiency of a small battery
you can really get a small battery from its own source, from 60 to 70%
charging_power_kW
over 300 kW
maximum charging power for vehicles
Higher charging power reduces wait times for electric vehicle users.
you of course want to charge it as quickly as possible with over 300 kW.
voltage
1180 volts V
the regulated voltage for the battery connection
Higher voltage allows for better energy transfer and efficiency.
I want to go from 1500 volts a little below 1180 volts
efficiency
99 percent %
the work rate of the power electronics system
High efficiency indicates effective energy management and lower losses.
over a significantly over 99 percent of the work rate
Key entities
Timeline highlights
00:00–05:00
The growth of charging infrastructure in Germany is slowing, with a focus on increasing charging power for electric vehicles, particularly for heavy trucks, which currently lack sufficient infrastructure.
- The current status of charging infrastructure in Germany shows a growth in charging points, but at a slower rate than previous years.
- In 2025, the growth of charging points is expected to continue, with a notable increase in charging power, particularly for speed charging points.
- % of the increased charging power is attributed to speed charging, while AC charging points also show exponential growth.
- The focus is on the 6.3 million users of LKWs who need charging solutions, highlighting a gap in heavy charging infrastructure.
- The network development plan forecasts the growth and development of the charging network over the next two years.
- Current plans indicate a goal of 300,000 power supply points and 2.3 million electric vehicles on the streets of Germany.
05:00–10:00
Truck manufacturers are equipping vehicles with high-capacity CCS charging, leading to increased infrastructure demands for efficient logistics and public access.
- Truck manufacturers are equipping delivered trucks almost exclusively with CCS charging, specifically DC charging at a maximum of 400 kW.
- The charging infrastructure is being developed in private areas, particularly for low-speed applications, and is also intended for public use.
- There are various studies from national high-rechners examining the charging needs and infrastructure for the Verkehrs sector.
- The forecast indicates a growing need for BKW charging, with significant power supply requirements for charging stations.
- Infrastructure energy technology is being installed to support fast charging for LKWs, enabling drivers to charge for 40 minutes during breaks to continue their journeys.
- The network and infrastructure must be designed to accommodate the necessary power supply and additional connections for effective charging.
10:00–15:00
A small battery can charge from 60 to 70%, enhancing vehicle performance and parking data management through improved charging infrastructure.
- Research focuses on user expectations regarding vehicle performance and parking data.
- A rudimentary simulation indicates that a small battery can charge from 60 to 70% effectively.
- Charging infrastructure is linked to power electronics, which must be adjusted for different networks.
- The simplest charging variant connects directly to a wallbox or open charging points without additional power electronics.
- There are concepts involving stationary buffer batteries that enhance charging power when needed.
- An example of charging infrastructure is the chargebox of the ADS tag, designed for high power output in specific car houses.
15:00–20:00
Porsche's stationary battery system enables high charging power through medium voltage connections, optimizing resource allocation for multiple vehicles at charging stations.
- Porsche's solution involves a stationary battery setup connected through a power supply for high charging power.
- The system can handle larger connections with medium voltage, allowing for efficient DC-DC control.
- There are systems that enable multiple vehicles to connect through several dispensers, requiring a DC-DC controller for effective training.
- A hybrid system is discussed, featuring a central one-way connection and a DC-DC bus to charging points.
- The infrastructure for larger charging platforms has limitations, particularly regarding resource allocation and cable requirements.
- The network connection can be optimized to avoid simultaneous full power usage across all charging stations.
20:00–25:00
The development of a DC hybrid power electronics system enhances energy transfer efficiency and resilience, allowing for continued operation during AC system failures.
- The power electronics can be adjusted with three factors, but long cables in central power electronics present a disadvantage.
- A hybrid construction allows for a DC bus that connects all charging points, enhancing the power supply's efficiency.
- The system can operate at higher voltages, allowing for better energy transfer even with lower vehicle battery voltages.
- A DC system provides resilience in charging, as it can continue to function even when AC systems fail.
- The project MS Tankstelle is developing a power electronics system for a DC hybrid system, featuring a two-storey design.
- The power electronics topology includes MOSFETs, transformers, and filters to efficiently manage energy transfer.
25:00–30:00
The shift towards bidirectional energy systems enhances efficiency and stability in energy transfer, crucial for modern infrastructure demands.
- The systems discussed are primarily unidirectional, particularly for charging stations, to prevent battery depletion during shopping trips.
- There is a mention of a bidirectional topology that allows for efficient energy transfer in both directions.
- The current load infrastructure is no longer passive; it requires net stability and support for net voltage.
- Bidirectional energy flow is essential for maintaining energy in both directions, which is crucial for system efficiency.
- The use of MOSFETs, while more expensive than diodes, can improve efficiency in bidirectional systems.
- The discussed system operates at 1500 WDC, which is a common development area for various manufacturers.