A mounting system is one of the most important components of a photovoltaic system, as it securely attaches the solar modules to the roof or another suitable surface. Without a robust and reliable mounting system, the solar modules could not be correctly aligned or stably installed, leading to reduced efficiency and potential damage. This article explains what a mounting system for photovoltaic systems is, the different types available, and why choosing the right system is crucial for the safety and performance of your solar installation.
What is a carrier system?
A mounting system for photovoltaic systems is a structural base on which the solar modules are mounted. It ensures that the solar modules are oriented at a safe and stable angle to the sun to guarantee optimal energy production. Mounting systems are typically made of robust materials such as aluminum, steel, or galvanized steel, which withstand extreme weather conditions and offer a long service life.
The main function of the mounting system is to securely attach and stabilize the solar panels, preventing them from shifting or being damaged even in strong winds, rain, or heavy snow. Furthermore, the mounting system ensures that the solar panels are installed at the correct angle to the sun to absorb the maximum amount of solar energy and maximize the efficiency of the solar power system.
Types of carrier systems
There are various types of mounting systems for photovoltaic systems, which can be selected depending on the roof type, geographical location, and the specific requirements of the project. The main types of mounting systems are:
1. Mounting systems for pitched roofs
Pitched roofs are the most common roof type for photovoltaic systems. Mounting systems for pitched roofs consist of special brackets that are attached to the roof purlins or rafters. These systems allow the solar modules to be aligned at an optimal angle to the sun in order to achieve the best possible energy yield.
Depending on the roof pitch and local conditions, mounting systems can be equipped with different tilt angles to optimize module alignment. Such systems can also be installed without penetrating the roof, reducing the risk of leaks or water damage.
2. Mounting systems for flat roofs
Flat roofs require special mounting systems that allow the solar panels to be tilted, as flat roofs have no natural slope. These mounting systems often consist of adjustable metal frames that allow the solar panels to be installed at an optimal angle to the sun.
For flat roofs, there are also ballasted mounting systems where the solar modules are attached to the roof without being fixed in place. Instead, the modules are stabilized with additional ballast weights. These systems are particularly practical when the roof should not be penetrated and offer high stability under wind loads.
3. Open-field mounting systems
Ground-mounted systems are used when photovoltaic systems are installed in open areas, such as agricultural land or large solar parks. These support systems consist of robust metal frames that are anchored in the ground to hold the solar modules securely.
Ground-mounted support systems offer the advantage that the solar modules can be adjusted more flexibly in terms of orientation and tilt. These systems are ideal for large-scale solar parks where the modules need to achieve the highest possible solar yield.
Advantages of a high-quality carrier system
A high-quality mounting system offers numerous advantages for the installation and long-term performance of your solar power system:
1. Stability and safety
A robust mounting system ensures that the solar panels are securely mounted on the roof or in open terrain and can withstand extreme weather conditions such as strong winds, rain, or snow. The mounting system prevents the solar panels from slipping or coming loose, thus guaranteeing the safety and longevity of the system.
2. Maximizing efficiency
The mounting system allows the solar modules to be installed at the optimal tilt and orientation to the sun. This orientation is crucial for the efficiency of the solar system, as it ensures that the modules absorb the maximum amount of sunlight and deliver the best yield.
3. Easy installation
Modern mounting systems are designed for quick and easy installation. Many systems require no complex structural modifications and can be flexibly adapted to different roof types and surfaces. This reduces installation time and costs, ensuring rapid commissioning of the solar power system.
4. Durability and ease of maintenance
Mounting systems for photovoltaic installations are typically made of durable and robust materials such as aluminum or galvanized steel. These materials are corrosion-resistant and can operate for many years without significant wear or damage. A high-quality mounting system contributes to the efficient operation of your solar power system for many years.
Conclusion: The right mounting system for your solar power system
The mounting system is an essential component of every photovoltaic system. It ensures that the solar modules are mounted securely, stably, and in the optimal position to achieve maximum energy yield. Choosing the right mounting system is crucial for the performance and longevity of the solar system. A robust, well-designed mounting system guarantees that your solar system operates safely and reliably for years to come.
Referenced terms and sources
This existing glossary article was reviewed and approved on 14 October 2026. Time-sensitive information still refers to its original publication context unless the article states otherwise. It does not replace installation instructions or confirm compatibility with a particular roof tile model.
Machine-assisted translation. The German version remains available.
Data sheet and installation guideOriginal source