Why use PV?
Photovoltaic conversion is useful for several reasons. Conversion from sunlight to electricity is direct, so that bulky, dirty, noisy mechanical generator systems are unnecessary. The modular characteristic of photovoltaic energy allows arrays to be installed quickly and in any size required or allowed. The siting of numerous small-scale generators in electric distribution feeders could improve the economics and reliability of the distribution system. Also, the environmental impact of a photovoltaic system is minimal, requiring no water for system cooling and generating no by-products.
