TECHNICAL AND FINANCIAL FEASIBILITY ANALYSIS OF RETROFIT IN STREET LIGHTING SYSTEMS WITH SOLAR PHOTOVOLTAIC SOURCE
DOI:
https://doi.org/10.59627/cbens.2024.2424Keywords:
Public Lighting, Grid-Connected Photovoltaic System, Independent Photovoltaic SystemAbstract
The use of renewable energy sources and the implementation of efficiency actions are recurring solutions in the Energy area to address environmental and sustainability issues. The confluence of energy efficiency through public lighting (IP) retrofits and photovoltaic (PV) power generation can ensure a more efficient and sustainable IP park. Until January 2022, in Brazil, IP with solar photovoltaic sources was restricted to autonomous systems with batteries, a solution that was little implemented and widespread, and from 2022, through Law 14,300, the implementation of photovoltaic systems connected to the grid began. (SFCR) with electrical energy compensation for IP customers. As it is a recent and little discussed solution, this paper seeks to analyze the technical and financial feasibility of an IP system with SFCR based on a case study of a hypothetical public road. The retrofit of the IP system was validated using the DIALux software and the electrical supply of the IP system with the SFCR was analytically sized using the expected performance technique. The results point to a 70% reduction in luminaire power with the proposed retrofit while maintaining illuminance. Additionally, the net present value method revealed financial viability for both solutions when applied individually or together.
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