Viabilidade do sistema fotovoltaico conectado à rede elétrica (SFVCR) de um cliente do grupo A

Abstract

This monograph details how feasible it is to invest in a grid-connected photovoltaic system (SFVCR) for customers belonging to group A. To exemplify and prove this feasibility, an SFVCR was installed at the end of 2018 on the roof of an energy industry. Painting of metallic parts located in the city of São José dos Pinhais / PR and a capacitor bank at the end of 2019 to correct the power factor and eliminate the reactive energy charge by the Copel concessionaire. In addition, the concessionaire’s transformer was changed to one of 112.5 kVA só that the industry could continue to be serviced at high voltage but be classified as a Group B customer, that is, the energy bill will only be charged the fee of public lighting and the minimum rate equivalent to 100kWh for the three-phase connection, in addition to excellent, if any, and no longer like Group A which contains contracted demand and surplus reactive energy outside the peak. Such changes became possible due to the economic viability study of the investment containing the net present value of the investment (NPV), simple payback, internal rate of return (IRR), cash flow and accumulated cash in addition to the change from a liability to an asset with the installation of SFVCR.