Measurement and analysis of the performance of photovoltaic modules under shaded conditions in an Algerian coastal region

Abderahim BOUSSAID ,Abdelkader AISSAT ,Zoubeyr SMARA ,Maamar DAHBI ,Samuel DUPONT 5 1 LATSI Laborator ,University Blida ,Algeri ,2 University of Ahmed Dari ,Algeri ,3 Unité de développement des équipements solaire ,UDES/Centre de développement des énergies renouvelable ,CDER ,42415. Tipaz ,Algéri ,4 Laboratory for the Development of Renewable Energies and their Applications in Saharan Areas (LDERAS) Tahri Mohammed Bechar Universit ,Algeri ,5 Institute of Electronic ,Microelectronics and Nanotechnology (IEMN) ,UMR CNRS 852 ,University of sciences and Technologies of Lille ,Avenue Poincar ,59652 Villeneuve of Asc ,France.

doi:10.67229/JOR16616

Abderahim BOUSSAID

⁴

Abdelkader AISSAT

Zoubeyr SMARA

Maamar DAHBI

⁴

Samuel DUPONT 5 1 LATSI Laborator

University Blida

Algeri

2 University of Ahmed Dari

Algeri

3 Unité de développement des équipements solaire

UDES/Centre de développement des énergies renouvelable

CDER

42415. Tipaz

Algéri

4 Laboratory for the Development of Renewable Energies and their Applications in Saharan Areas (LDERAS) Tahri Mohammed Bechar Universit

Algeri

5 Institute of Electronic

Microelectronics and Nanotechnology (IEMN)

UMR CNRS 852

⁰

University of sciences and Technologies of Lille

Avenue Poincar

59652 Villeneuve of Asc

France.

* Correspondence: sakre23@yahoo.fr

Journal of Ovonic Research 2026, 22(2),113-129; https://doi.org/10.67229/JOR16616

Submitted：Jan 14, 2026

Accepted：Feb 10, 2026

Published：Aug 17, 2026

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Abderahim BOUSSAID ,Abdelkader AISSAT ,Zoubeyr SMARA ,Maamar DAHBI ,Samuel DUPONT 5 1 LATSI Laborator ,University Blida ,Algeri ,2 University of Ahmed Dari ,Algeri ,3 Unité de développement des équipements solaire ,UDES/Centre de développement des énergies renouvelable ,CDER ,42415. Tipaz ,Algéri ,4 Laboratory for the Development of Renewable Energies and their Applications in Saharan Areas (LDERAS) Tahri Mohammed Bechar Universit ,Algeri ,5 Institute of Electronic ,Microelectronics and Nanotechnology (IEMN) ,UMR CNRS 852 ,University of sciences and Technologies of Lille ,Avenue Poincar ,59652 Villeneuve of Asc ,France. . (2026). Journal of Ovonic Research. Measurement and analysis of the performance of photovoltaic modules under shaded conditions in an Algerian coastal region, 22(2), ,113-129. https://doi.org/10.67229/JOR16616

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Abstract

Shading of photovoltaic (PV) panels presents a critical challenge in the building and residential sectors, as it can influence the reliability and performance of PV systems. To improve the efficiency of Buildings Integrated Photovoltaic (BIPV) applications, it is essential to analyze the effect of shading and implement appropriate solutions to ensure optimal energy production. In this context, an experimental study is conducted in this paper to investigate the impact of shading location on the power output of PV modules. The results demonstrated that power losses caused by horizontal shading are significantly greater than those resulting from vertical shading, highlighting the importance of managing shading to optimize systems performance. Besides, within the same string, the electrical behavior of a PV module subjected to random shading tends to reflect that of the most heavily shaded cell. This occurs because the most shaded cells limit the module's power output, thereby affecting the performance of the entire string.

Keywords

shading

hot-spot

bishop model

thermal stress

faults

solar cells

©2026 by the authors. Submitted for possible open access publication under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).