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The distribution of small decentralized photovoltaic systems on roof tops makes it possible to introduce a huge photovoltaic (PV) capacity without expansion or modification of the grid infrastructure, points out a recent study of German Technical Cooperation Agency (GIZ) in cooperation with the Brazilian Electricity Regulatory Agency (ANEEL).
The study was conducted by Dr. Ingo Stadler, Dr. Ramchandra Bhandari and Debierne Madeiro of the University of Applied Sciences Cologne.
At least 83 countries worldwide have implemented some type of policy to promote renewable power generation. The most common policy of all is the feed-in tariff. By early 2010, at least 50 countries had adopted feed-in tariffs over the years, more than half of which have been enacted since 2005.
These policies have spurred innovation and increased interest and investment in many countries. In Germany, for example, were introduced more than 15 GWp of PV power plants, mostly small decentralized power plants on the roof tops.
The research of the German case and especially the impacts of Implementation of a huge PV capacity in the low voltage grid were the basis of the study, that can be downloaded at http://www.americadosol.org/estudos or directly at http://www.americadosol.org/wp-content/uploads/2010/12/EstudoGTZ.pdf
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