Photovoltaics or photovoltaics is the direct conversion of light energy, usually from sunlight, into electrical energy by means of solar cells. The term “photo” comes from the Greek and means light, while “volt”, the unit of measurement for electrical voltage. Since this type of electricity generation does not emit CO2 or other particles, solar power...

The term prosumer is a compound of “producer” and “consumer” and originally describes an economic model in which a person is both a consumer and a producer. The boundaries between producer and consumer are blurring here. Internationally, the term prosumer is also common. It is a portmanteau of the English words “producer” and “consumer”. Over...