But now, new technology solar panels – bifacial and mono PERC – are widely used. Many new higher-performing materials have been discovered – perovskite, heterojunction and tandem solar cells.
[pdf] The silicon cells in monocrystalline solar panels produce electricity through the photovoltaic (PV) effect. This effect occurs when sunlight hits the silicon crystal and excites the electrons inside. The movement of these electrons is what generates electricity.
[pdf] Under the RBF programme of the Green People´s Energy Namibia (GPE), farmers and small and medium-sized enterprises (SMEs) in rural areas receive a subsidy of 30 to 50 percent if they purchase, for example, a PV solar system or a solar water pump from selected solar installation companies.
[pdf] 
