Solar is Future: Types of Solar Systems

Was ihr schon immer über Solarstrom wissen wolltet

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Sun Across America Types of Solar Systems How Photovoltaics Work How Solar Thermal Energy Works

SMA Technology for Our Future Solar Power Professional Search FAQ / Glossary

The sun delivers its energy in two forms: heat and light.
Solar systems can efficiently convert either form into power for practical use.

When many people hear the term “solar system” they think of solar hot water, where the sun is used to heat water for swimming pools or domestic use. This is accomplished by exposing the water to the sun’s heat prior to using it. We also make use of the sun’s heat by orienting windows towards the south (in the northern hemisphere) to take advantage of the sun’s warmth in the winter. This is called “passive” solar. This term is used to describe methods of using the sun’s energy indirectly, such as through bio-mass or heat pumps.

: The photovoltaics (left) powering the radio are an example of an “active” solar power system. The thermal panels (right) heating water are an example of a “passive” solar system. Source: Solarpraxis AG

The term solar power system on the other hand, typically describes only those systems that convert sunlight into heat (solar thermal energy) or electricity (photovoltaics). Photovoltaics and solar thermal energy are not in direct competition – quite the contrary: they ideally complement each other and can be combined well. Many specialized companies provide innovative solutions for this purpose.