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Technology

The abundant amount of solar energy striking the earth as light and heat is equal to about 15,000 times the total amount of primary energy consumed by mankind every year. This radiation energy can be captured in principal and to some extent converted into electricity without any resulting by-products, such as exhaust (for example, carbon dioxide).

In the conversion, the photoelectric effect is exploited.

Energy conversion occurs in the photovoltaic system with the help of solar cells, which are connected to the so-called solar modules. The generated electricity can be used on site, stored in accumulators or fed into the grid. When the energy is fed into the public grid, the DC voltage produced by the solar cells is converted into AC voltage by an inverter.

Photovoltaic energy conversion can be sensibly introduced as a component in an energy mix of various energy conversion processes.