Colón Vázquez, Melitza

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Sensitivity analysis in the minimization of energy cost by combining the PREPA supply with a photovoltaic system
(2011) Colón Vázquez, Melitza; Méndez Piñero, Mayra I.; College of Engineering; Resto Irizarry, Pedro J.; Orama Exclusa, Lionel R.; Department of Industrial Engineering; Valentín Rullán, Ricky
The manufacturing companies, the major consumers of energy, are constantly seeking alternatives to reduce energy consumption in their operations. Among the alternatives available to address this situation are industrial appliances that consume the energy efficiently and the use of renewable energy systems, such as photovoltaic systems. In order to justify the economic feasibility of such alternatives optimization models were developed. The objective of the models was to maximize the economic benefits generated by the alternatives. The results obtained show how the successful use of optimization models identified $78, 483 in economics savings in three years in a particular case. In addition, it was demonstrated that there are important parameters that affect the analysis of the alternatives and should be considered in the models. The most significant parameters are: economic analysis method, implementation cost, and efficiency of the solar panels. The variation of these parameters demonstrated a difference in economic savings of up to $21,333.