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Of course, with electricity demand falling â thanks in large part to the popularity of rooftop solar â power companies are using the fixed cost components of their billing systems to help cover their own fixed costs, while also compensating for lower usage by consumers.
Small Solar Electric Systems. A small solar electric or photovoltaic system can be a reliable and pollution-free producer of electricity for your home or office. A small solar electric or photovoltaic (PV) system can be a reliable and pollution-free producer of electricity for your home or office.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.ecause PV technologies use both direct and scattered sunlight to create electricity, the solar resource across the United States is ample for home 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.