A small solar home electric or photovoltaic (PV) system can be a reliable and pollution-free producer of electricity for your home. And they're becoming more affordable all the time. Small PV systems also provide a cost-effective power supply in locations where it is expensive or impossible to send electricity through conventional power lines. Because PV technologies use both direct and scattered sunlight to create electricity, the solar resource across the Nepal is ample for small solar electric systems. However, the amount of power generated by a solar system at a particular site depends on how much of the sun's energy reaches it. Thus, PV systems, like all solar technologies, function most efficiently in all over Nepal, which receives the greatest amount of solar energy.