Solar panels

Solar modules PV module solar panel

Would you like to install a solar system in your home or office, but don't know where to start? There are many things to consider before you buy a solar system.

Solar energy has become very affordable in the last decade, and now even homeowners can afford to put solar panels on their homes. The benefits of installing a solar system include energy independence, lower electricity bills and environmental sustainability.

However, choosing the right solar panel system for your home can be overwhelming. Before you buy, ask yourself these important questions.



Half-cell solar modules (HCSM) are photovoltaic cells that have an efficiency of about 25% compared to conventional silicon-based PV cells. They can be used in both single-junction and double-junction configurations.


Monocrystalline solar cells

Solar cells that use monocrystalline silicon wafers for their semiconductor layers. They have a higher efficiency than polycrystalline silicon modules.


How much surface area is needed for photovoltaics?

For 1 kWh of generated electricity, 6 to 12 m² of surface area is required. This includes the installation area and the ground area around it. A PV system with an installed capacity of up to 4 kWp requires about 24 to 48 m² of space.


Why is the weight of a solar module important?

The weight of a solar module plays an important role in the installation. In addition to the weight of the PV modules themselves, you must also consider the weight of the equipment used to mount the modules on the roof structure. This includes the brackets for the PV modules, the fixings and the cables connecting the modules to the inverter. If the weight of the entire installation exceeds the maximum permissible value, this can cause damage to the roof structure. Therefore, you must calculate the total weight of the components involved in the installation of your system, including the weight of the modules themselves.


What will change for electricity grids as a result of the federal government's plan?

No VAT (NVAT) will be introduced on solar systems in 2023. This means that no additional taxes will be levied on the purchase of solar energy systems.

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Solar type
Watt Peak (Wp)

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