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Solar energy, or photovoltaics, is the utilization of the sun’s power as a source of renewable energy. With the price of solar power having dropped substantially over the last few decades, the demand for this renewable energy has skyrocketed. Imagine never having to pull up to a gas pump or plug into an electrical socket. Nuclear, gas and coal power plants use unbelievable amounts of water. The Weatherization Repayment Assistance Program (WRAP) is a financing option that allows households to pay for comprehensive weatherization projects through a monthly charge on their participating utility’s electric or natural gas bill with no credit check required. This was called the "photovoltaic effect: the process of generating voltage and electric current in a photovoltaic cell. In 1883 Charles Fritts produced the first solar cells made from wafers of selenium placed onto a metal plate and covered in a thin semitransparent layer of gold leaf, which produced a current. However, because Fritts and his supporter, Werner von Siemens, didn’t know exactly how the invention worked, it was written off by the scientific community and not valued for further research. Getting a good deal requires research.