A new generation of small PV systems for lighting and communication The concept of pico PV systems and their application in real-world circumstances are explained. The importance of understanding the dynamics of the demand side of this market is clearly elaborated, as are the nature and supply of the products, their economics, and experience with various business models. There are clear lessons for the roles that should be played by governments, donor bodies and others in the markets for pico PV products and services, essentially as providers of appropriate institutional frameworks and information.