Solar systems—technical developments, areas of application

Solar systems convert solar energy into electricity or heat and make an important contribution to decentralized energy supply. The articles show technical developments, areas of application, and combinations of photovoltaics and solar thermal energy.

Solar systems – all articles on the topic of solar energy

Perovskite-silicon tandem cells for higher efficiency

Perovskite-silicon tandem cells are regarded as one of the most promising technologies for further increasing the efficiency of solar cells. Whilst conventional silicon cells are i... Fraunhofer ISE combines tandem cells with shingle matrix technology


Solar trackers shift electricity generation in solar parks

The rapid expansion of photovoltaics is leading to a new problem: More and more solar installations are producing their highest output at the same time of day. Traditional, south-f... Tracking solar panels astronomically to follow the sun


Solar modules with higher efficiency and a new aesthetic

Photovoltaic modules have long since ceased to evolve solely on the basis of higher power output. As the market matures, greater focus is being placed on design, space utilisation ... TOPCon modules make life easier for installers


Solar fences for photovoltaics on existing spaces

Photovoltaics are increasingly being installed in places where electricity generation was previously rarely considered. Alongside rooftop systems, façades, car parks and open space... FlexAD as a modular solar fence system


Battery storage systems for PV installations and energy management

The energy transition is changing not only electricity generation but also the demands placed on businesses and commercial enterprises. Whilst photovoltaic systems are now standard... Battery storage systems optimise self-consumption of solar power


Svea Solar and IKEA – Energy for homes, offices, and businesses

Svea Solar and IKEA show how the energy transition starts small and works on a large scale. At the trade fair, both partners are presenting a modular system that is scalable from r... Svea Solar and IKEA


Solarservice Norddeutschland: M-TEC energy system

At infa 2025, Solarservice Norddeutschland will demonstrate how renewable energies can be implemented today as a well-designed overall system. The Burgdorf-based company is present... Solarservice Norddeutschland


PREFA solar system: Efficient solar energy - Green Week 2025

PREFA is a European manufacturer of roof, solar and façade systems made of aluminum. The company offers durable and low-maintenance solutions for roofs and façades. The products ar... PREFA solar system


Photovoltaic systems with storage and energy utilisation

Photovoltaics is increasingly developing into an integrated system in which individual components are no longer viewed in isolation. Modules, storage systems and inverters interloc... Integrated systems in the field of photovoltaics


SolaX Power: Solar Hybrid-Systems - Intersolar 2024

SolaX Power develops advanced solar technology, including inverters, energy storage systems and EV chargers. Their products are characterised by high efficiency, reliability and in... Solar Hybrid-Systeme - SolaX Power


Vigilex: Explosion protection for battery & gas storage systems

Vigilex Energy offers specialized solutions for fire and explosion protection in energy storage systems (BESS). Its products, such as ARC-VENT and DUAL-VENT, are designed to maximi... Explosion protection for battery and gas storage systems - Vigilex Energy


Solar modules, inverters, energy storage - Trina Solar

Trina Solar, founded in 1997, is a leading global provider of intelligent solar solutions. The company has shipped over 150 gigawatts of solar modules worldwide and provides compre... Solar modules, inverters, energy storage - Trina Solar


Battery storage for renewable energies - TESVOLT

TESVOLT develops high-performance lithium battery storage systems for industrial and commercial applications. Their storage systems are flexible and modular to meet different energ... Battery storage for renewable energies - TESVOLT


Intelligent monitoring for PV systems - Smartblue

Smartblue develops and implements intelligent, hardware-independent solutions for monitoring photovoltaic systems. Its "Smart Control" system uses automated fault detection and int... Intelligent monitoring for PV systems - Smartblue


Photovoltaic solutions - REC

REC Group is a leading manufacturer of solar panels headquartered in Norway. Founded in 1996, REC specializes in the development and production of high-quality and sustainable sola... Photovoltaic solutions - REC


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Technical basics of modern solar systems

Today's solar systems are based on mature technical concepts that are continuously being further developed. Depending on their design, they convert solar energy either into electrical energy or directly into usable heat. Factors such as efficiency, system integration, and adaptation to different operating conditions are decisive for performance. In addition to individual components, the focus is increasingly shifting to the overall system. Inverters, control technology, storage solutions, and interfaces to other energy consumers determine how efficiently a system works in everyday use. Modern solar systems are therefore less about individual technology and more about being part of a networked energy system.

Areas of application for solar systems in private and commercial environments

Solar systems are used in a wide variety of areas. In the private sector, the focus is on self-sufficiency, long-term cost stability, and security of supply. In commerce and industry, scalability, load profiles, and economic efficiency play a central role. Planning, dimensioning, and operation vary significantly depending on the application. While smaller systems on residential buildings primarily optimize self-consumption, larger systems are specifically tailored to production processes, office buildings, or neighborhood solutions. Solar systems can be flexibly adapted to the respective energy requirements.

Combination of electricity and heat generation

A key advantage of solar systems is the possibility of combining different technologies. Photovoltaics and solar thermal energy pursue different approaches, but complement each other well within an overall concept. While electricity can be used in many ways or stored, thermal energy is directly available for hot water or heating support. This combination increases yields and closes supply gaps. Particularly in buildings with high heat and electricity requirements, this creates balanced systems that can gradually replace fossil fuels.

Solar systems as part of smart energy Systems

Solar systems are increasingly being viewed not in isolation, but as active components of smart energy systems. In conjunction with energy storage, digital control, and networked load management, they respond flexibly to generation and consumption. For decision-makers and experts, it is important to know how a solar system can be integrated into existing infrastructures. Issues such as grid stability, controllability, and long-term economic efficiency determine the role that solar technology will play in future supply concepts.

The importance of solar systems for decentralized energy supply

Solar systems make an important contribution to the decentralization of energy supply. Energy is generated where it is needed—on buildings, in businesses, or within neighborhoods. This reduces transport losses, relieves the burden on grids, and strengthens regional supply structures. This decentralized approach creates new scope for action for households, businesses, and municipalities. Solar systems are therefore not only technical systems, but also a strategic element of modern energy supply.

Solar modules, balcony power plants, and storage in a compact energy system

Modern solar modules now enable a wide variety of applications – from classic roof solutions to balcony power plants. Compact systems in which generation and use are closely linked are particularly in demand. Such a solar system can be operated with just a few modules and supplies electricity that can be used directly in the household. Many of these systems are offered as complete photovoltaic sets. These include modules, inverters, and, if desired, a storage unit that temporarily stores excess energy. The output is specified in kWp, while the usable amount of energy in the storage unit is measured in kWh. Especially in small systems, a storage unit ensures that the electricity generated is not only available during the day.

Plug-and-play solutions and storage for flexible use

A plug-and-play solar system is specially designed to be operated without complex installation. These systems can be connected directly to existing electrical circuits and are particularly suitable for tenants or households with limited space. Here, too, storage is playing an increasingly important role. A balcony power plant storage unit allows the electricity generated to be used at a later time, for example in the evening hours. This increases self-consumption and makes more efficient use of the solar system. It is crucial to balance the module output in kWp and the storage capacity in kWh in order to adapt the system to actual needs in a meaningful way.