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PV or photovoltaic material is what is used for the conversion of solar radiation to direct current (DC) electricity. There are several different types of materials that are used to make up the cell. The manufacturing of cells has been increasing since 2002, and continues to grow because of an even larger demand for renewable energy in the past couple of years. Continue reading and find out how PV solar is one of the most abundant forms of renewable energy.
To change the radiation that we get from the sun into electricity, photovoltaics use solar cells. The photovoltaic effect is a process that explains how photons of light force movement of electrons until they are charged and electricity is created. The electricity that is created initially is direct current, and to use it in most instances, it is converted with an inverter to alternating current.
Many materials are used to create photovoltaics. Some of the materials include different types of silicons, copper indium selenide, and cadmium telluride. Polycrystalline silicon is a key material of a solar panel. The supply of solar panels that can be created is limited to the supply of polycrystalline silicon, and in 2006, half of the supply in world was in use for solar panels. There were twelve known factories that were producing the material in 2008.
Since the beginning of 2002, production of photovoltaics has increased by over twenty percent yearly. It is one of the most rapidly growing forms of energy technology in all of the world. At the end of 2009, installed installations of photovoltaics were over twenty-one thousand megawatts.
Many countries are in supporting the installation of photovoltaics for residential and commercial use. In fact, many governments are promoting such use by offering incentives for their installation. Because of the technological advances, and the increase in the manufacturing, the prices have been driven down, and the products are much more affordable.
We knew in 2008, that energy from solar power was able to provide the world with one thousand times the amount needed, but only two tenths was used. Based on the statistics, valuable resources are being wasted. Predictions are that every few years those figures will double. Solar energy is likely to become one the main sources of power for the world.
Some would say that solar power is not predictable, however, they are able to predict with exceptional accuracy when it will and will not be available. Other sources of renewable energy can also be used in conjunction with the photovoltaics. This has been proven successful in large power plants.
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