Abstract
The use of solar energy is increasingly prevalent in residential areas around the world due to the decrease in the levelized cost of energy (LCOE) for projects that meet the energy need in homes, in Colombia regulations have begun to facilitate the integration of grid-connected renewable energy projects and in isolated areas. The purpose of this research is to technically and financially assess the feasibility of a solar photovoltaic system connected to the grid in a residential complex in Colombia according to the regulatory framework in force at 2020, comparing three photovoltaic module technologies, as well as three generation scenarios (self-consumption, exchange with the network and sale of surpluses), financial feasibility was assessed taking into account three financial goodness criteria (NPV, IRR and Payback Time). The results of the research indicate that the most feasible generation scenario technically and economically is self-consumption using Si-Poly technology, for the self-consumption scenario the solar photovoltaic system requires an installed capacity of 3.77 kW peak, with an investment cost of $5,748 USD, according to the criteria of kindness the Payback Time is 7 years, with an IRR of 19.67% for the project and $49,920 USD of NPV.Keywords: PV System ON Grid, solar communities, Colombian renewable energy regulations, technical and economic analysis.JEL Classifications: Q2, Q4, Q55DOI: https://doi.org/10.32479/ijeep.9981
Highlights
The development of unconventional energy sources, mainly those of a renewable nature, is a matter of public utility and social interest, public and of national convenience fundamental to the Colombian state (Paez et al, 2017), since it ensures the diversification of full and timely energy supply, the competitiveness of the economy and the protection of the environment (Congress of Colombia, 2014)
This article presents the technical and financial study of the feasibility of a solar photovoltaic system connected to the grid in a residential complex in Colombia according to the regulatory framework in force in 2019, comparing three solar panel technologies, as well as three generation scenarios in order to determine the optimal option for these renewable energy projects
The load profiles characterized for the sizing of the solar photovoltaic system of the common areas are found in Figures 3 and 4
Summary
The development of unconventional energy sources, mainly those of a renewable nature, is a matter of public utility and social interest, public and of national convenience fundamental to the Colombian state (Paez et al, 2017), since it ensures the diversification of full and timely energy supply, the competitiveness of the economy and the protection of the environment (Congress of Colombia, 2014). Photovoltaic systems have achieved global acceptance and are playing an important role in the supply of clean and sustainable energy (Robles et al, 2018) This has led to the implementation of photovoltaic energy experiencing huge growth in recent years (Das et al, 2018; Ospino-Castro et al, 2017). The multi-year average in the Santander region is between 4.0 and 5.0 kWh/m2/day in most of its territory, entering the national average (UPME, 2019) For these reasons, photovoltaic projects registered with the Energy Mining Planning Unit (UPME) have had a dramatic increase as of January 2018, according to Jarger-Waldau in 2019, Figure 1, reaching a total power of more than 400 MWp. most are in phase 1 and 2 of development, with installed power being
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