What is load management? Optimized load management allows for better utilization of electricity capacities and more efficient charging processes.

Hand holding a tablet showing the dashboard for charging park management

Brief summary

Load management refers to the intelligent control and distribution of energy in order to avoid overloading the power grid and to reduce energy costs. This is particularly relevant in situations where many loads require energy at the same time. Without proper management, peak loads can occur, which are problematic for both the grid and your wallet.

Employees in front of PCs in the control room of a charging park

Main task of load management

The main task of load management is to distribute the available energy in such a way that all connected loads get the energy they need without overloading the power grid. This is achieved through intelligent adjustment of power based on current energy requirements and available grid capacity.

Types of load management

There are different types of load management, each with specific advantages and areas of application. The main types include static and dynamic load management, which we explain here using e-mobility as an example.

Visualization of load management: Four electric cars at EV charging stations with bar chart for total power

Static load management
Static load management distributes the maximum available power evenly across all charging points. The charging power is fixed and remains constant, regardless of the current conditions. This can be particularly useful for smaller installations or areas where even distribution is sufficient. The advantage here is the simplicity of the system and the predictability of the charging processes. However, compared to dynamic approaches, it can lead to inefficient use of capacity.

Dynamic load management
In contrast, dynamic load management flexibly adapts the charging power to the current grid load and the electricity consumption of other loads in the building. This enables optimal use of the available energy and effectively prevents peak loads. A dynamic system is ideal for larger installations where the electricity demand can vary greatly. The disadvantage could be the greater complexity of implementation, but this is offset by savings in energy costs and the avoidance of expensive peak loads.

Advantages

Effective load management provides numerous advantages, both for private households and for companies.

Cost reduction
By avoiding peak loads, which can lead to high surcharges on electricity bills, both private users and companies can save considerable sums of money.

Increased efficiency
Instead of leaving grid capacities unused, a good system makes optimum use of reserves and improves the environmental balance.

Advantages for companies
Companies benefit from increased operational safety and flexibility. Power distribution can be planned in such a way that it causes minimal disruption to operations.

Implementation

The implementation of a load management system requires careful planning and adaptation to the specific needs of the user.

Choosing the right system
When choosing between a static and a dynamic load management system, the requirements of the location are decisive. Small installations often manage with a static system, while dynamic systems are suitable for large installations.

Phased implementation
The implementation itself can be carried out in phases by first creating the charging infrastructure and then supplementing it with intelligent control systems. Close collaboration with specialists can help to ensure that the right decisions are made and that system efficiency is maximized.

Aerial view of the GP Joule company parking lot

Application example

Charging park with intelligent load management: GP Joule uses photovoltaics, wind power, and biogas to charge electric cars and, together with Phoenix Contact, has developed a flexible load management solution for its company parking lot.

More about the load management application

Charging park with electric vehicles and solar panels on the roof

The future of load management

As the trend towards e-mobility continues, load management is becoming increasingly important. In addition to traditional grid optimization, new technologies are emerging that underscore the need for dynamic solutions.

Integration of renewable energies
The integration of photovoltaic systems could bring about the next major leaps in efficiency. The technology makes it possible to maximize self-consumption and further reduce the load on the grid.

Importance of intelligent controllers
As digitalization in energy management progresses, intelligent control solutions are also playing an increasingly important role. Digital controllers respond to grid requirements in real time, saving costs and stabilizing the power grid.

Summary

Effective load management is essential for the future-proof, sustainable, and cost-efficient use of electricity capacities when charging electric vehicles. By choosing the right system and implementing it wisely, both private users and companies can achieve significant benefits that take both economic and ecological aspects into account. The introduction of technological innovations and renewable energies will continue to revolutionize this sector and further increase efficiency potential.