Performance Evaluation of Grid-Connected Photovoltaic System Under Climatic Conditions of Isthmus of Tehuantepec

Michel Vázquez Vázquez, Reynaldo Iracheta Cortez, Adán Acosta Banda, Joel Pantoja Enríquez, Hugo Jorge Cortina Marrero, José Rafael Dorrego Portela, Liliana Hechavarría Difur (), Quetzalcoatl Hernández-Escobedo, David Muñoz-Rodriguez and Alberto-Jesus Perea-Moreno ()
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Michel Vázquez Vázquez: Instituto de Estudios de la Energía, Universidad del Istmo, Campus Tehuantepec, Ciudad Universitaria S/N, Santo Domingo Tehuantepec, Oaxaca 70760, Mexico
Reynaldo Iracheta Cortez: SECIHTI-UNISTMO, Ciudad Universitaria S/N, Santo Domingo Tehuantepec, Oaxaca 70760, Mexico
Adán Acosta Banda: SECIHTI-UNISTMO, Ciudad Universitaria S/N, Santo Domingo Tehuantepec, Oaxaca 70760, Mexico
Joel Pantoja Enríquez: Instituto de Investigación e Innovación en Energías Renovables, Universidad de Ciencias y Artes de Chiapas, Libramiento Norte Poniente No. 1150, Colonia Lajas Maciel, C.P., Tuxtla Gutiérrez 29000, Mexico
Hugo Jorge Cortina Marrero: Instituto de Estudios de la Energía, Universidad del Istmo, Campus Tehuantepec, Ciudad Universitaria S/N, Santo Domingo Tehuantepec, Oaxaca 70760, Mexico
José Rafael Dorrego Portela: Instituto de Estudios de la Energía, Universidad del Istmo, Campus Tehuantepec, Ciudad Universitaria S/N, Santo Domingo Tehuantepec, Oaxaca 70760, Mexico
Liliana Hechavarría Difur: Instituto de Estudios de la Energía, Universidad del Istmo, Campus Tehuantepec, Ciudad Universitaria S/N, Santo Domingo Tehuantepec, Oaxaca 70760, Mexico
Quetzalcoatl Hernández-Escobedo: Escuela Nacional de Estudios Superiores Unidad Juriquilla, Universidad Nacional Autónoma de Mexico, Querétaro 76230, Mexico
David Muñoz-Rodriguez: Departamento de Física Aplicada, Radiología y Medicina Física, Campus Universitario de Rabanales, Universidad de Córdoba, 14071 Córdoba, Spain
Alberto-Jesus Perea-Moreno: Departamento de Física Aplicada, Radiología y Medicina Física, Campus Universitario de Rabanales, Universidad de Córdoba, 14071 Córdoba, Spain

Resources, 2025, vol. 14, issue 12, 1-28

Abstract: This article assesses the use of solar photovoltaic radiation as a renewable resource for a region of the Isthmus of Tehuantepec in Mexico, where a 163.2 kW grid-connected photovoltaic system is located. The study aims to understand the system’s performance under the specific location conditions and to demonstrate the feasibility of installing photovoltaic systems in the Isthmus region. System monitoring was conducted for one year, with monthly and daily averages of normalized performance parameters determined. A three-month study of the power quality was conducted to assess compliance with interconnection and power quality requirements for power plants with a rated power Pn ≤ 500 kW. Results show higher energy production in the spring–summer months (138.946 MWh) than in autumn–winter (136.500 MWh), while the best overall performance occurred in autumn–winter (PR = 85% vs. 79.5% in spring–summer), probably due to cooler photovoltaic module temperatures. The final yield and PR indicate stable and predictable operation, even without maintenance, with PR = 82.3%. This supports the feasibility of photovoltaic installations in the southwestern region of Mexico. The present work is particularly relevant as it advances understanding of photovoltaic performance in understudied regions with substantial solar potential, such as the Isthmus of Tehuantepec, where policy prioritizes wind resource exploitation over solar energy.

Keywords: grid-connected photovoltaic system; performance ratio; power quality analysis; isthmus of tehuantepec; normalized performance parameters; mexican grid code (search for similar items in EconPapers)
JEL-codes: Q1 Q2 Q3 Q4 Q5 (search for similar items in EconPapers)
Date: 2025
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