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The discussion about renewable energies is often dominated by individual technologies. Photovoltaics stands for electricity, solar thermal energy for heat. In practice, however, it is clear that combining both approaches opens up new possibilities. This idea forms the basis of a solar system that combines electrical and thermal energy in a single module, thereby claiming to achieve a significantly higher overall yield from the available solar radiation. The focus is not on theoretical best values, but on economic efficiency, payback time and long-term use.
The central question is how to actually utilise as much of the incoming solar energy as possible. This is precisely where solar hybrid technology comes in, which does not consider electrical and thermal generation separately, but combines them systemically. The goal is clearly defined: a high overall efficiency that makes investments pay off more quickly while improving space efficiency.
Behind this approach is Abora, a European manufacturer of PVT modules that produces its systems entirely in Spain. The company develops and manufactures so-called photovoltaic-thermal collectors, which combine classic photovoltaic modules with solar thermal components. This design makes it possible to generate electricity and heat simultaneously without the two processes interfering with each other. The systems have now been installed in numerous countries and are used in both residential buildings and commercial applications. Their international spread shows that the demand for combined solutions is growing, especially where limited roof space needs to be used as efficiently as possible.
The basic principle of PVT modules is to capture the waste heat from the photovoltaic cells rather than allowing it to escape unused. While conventional PV modules lose electrical efficiency as the temperature rises, the hybrid concept stabilises the cell temperature and continues to utilise the heat that is dissipated. The thermal energy generated is deliberately kept within a temperature range that is suitable for hot water, heating or similar applications. This ensures that efficiency remains high without unnecessarily increasing the complexity of the system. The combination of both technologies results in a very high overall efficiency in relation to the solar energy received.
A key argument in favour of solar hybrid technology is its cost-effectiveness. It is not only the technical efficiency that is decisive, but also the question of how quickly a system pays for itself. The parallel use of electricity and heat significantly shortens the payback period compared to individual systems. The higher energy yield per area has a direct impact on economic efficiency. This is a clear advantage, especially for projects with high heat requirements or limited space. Instead of installing two separate systems, a combined module can cover a wider range of applications.
An essential part of the company's strategy lies in its own research. New modules are developed in the company's own laboratory, where existing systems are further optimised and new concepts are tested. The aim is to further increase efficiency while reducing production costs. The focus is not on short-term market launch, but on the long-term further development of the technology. Solar hybrid technology is understood as a dynamic system that continuously adapts to new requirements, such as rising energy prices or changing regulatory conditions.
A common argument against new technologies concerns their durability. For PVT modules, the test procedures are based on standards from photovoltaics and solar thermal energy. The certifications correspond to those of conventional systems, supplemented by specific tests for hybrid collectors. Experience from early installations shows that the modules deliver stable yields even after many years. The expected service life is in line with that of conventional solar systems. Professional installation is crucial, as it is for solar thermal energy as well as photovoltaics.
The modules are manufactured entirely in Europe. Abora deliberately relies on a European supply chain and production infrastructure. The machines used also come from European countries, as do most of the raw materials. This decision is motivated more by pragmatism than ideology. Short distances, direct technical support and close control of production quality are key factors. In contrast to pure price strategies, the company focuses on an added value approach that prioritises quality, service and cost-effectiveness.
The solar hybrid modules are suitable for a variety of applications. They are particularly useful where electricity and heat are needed at the same time, for example in apartment buildings, hotels, commercial buildings or industrial applications with hot water requirements.
Solar hybrid technology is still in the early stages of broader market penetration. At the same time, it is clear that the pressure to use renewable energies efficiently is continuing to grow. Rising energy prices, limited space and higher economic efficiency requirements are arguments in favour of integrated solutions. Instead of playing individual technologies off against each other, the focus is shifting more towards a systems approach. Solar hybrid modules offer an approach that is technically mature and at the same time provides economic arguments. The combination of research, European manufacturing and a clear focus on amortisation makes this approach attractive for many applications.
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