The photovoltaic solar energy is the energy obtained by direct conversion of light into electricity (photovoltaic effect).The first grid-connected photovoltaic systems were installed in Brazil at the end of the ' 90 in electrical power utilities, universities and research centers. Pioneer systems were installed at Chesf, the Cepel and in some public universities. Currently, the installed capacity of photovoltaic systems in the country, including isolated systems and connected to the network, it is of the order of 30 to 40MWp.
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