Modeling Distributed PV Market and its Impacts on Distribution System: A Brazilian Case Study

Nowadays, many countries are applying energy policies to promote Distributed Generation (DG). In Brazil, the National Electric Energy Agency (ANEEL) published the Normative Resolution 482/2012 in order to establish the general conditions for access of distributed generation for the grid and compensation mechanisms for the energy generated by the consumer. Among DG technologies, solar photovoltaic (PV) plays a major role due to advances in PV technology, combined with decreasing capital costs and subsidies. The intermittent renewable DG integration may cause impact on distribution power system and several studies have been carried out to analyze grid integration issues associated with PVDG penetration. However, in general, these studies consider penetration scenarios randomly generated or based on technical aspects, regardless economic characteristics of customers. Therefore, this paper proposes a methodology to assess the impact of DG on distribution system considering customer adoption scenarios. A real Brazilian case study is analyzed and the distribution system simulation is performed with the Open Distribution Simulator Software (OpenDSS).

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