Energy Yield and Efficiency Assessment of Photovoltaic Grid-Tied System: Outdoor Approach

The present paper investigates the effect of environmental change especially solar irradiation and temperature on the productivity of silicon photovoltaic panels. Grid-connected systems are commonly the most used application of PV technologies for power generation utility sector and building integration. The performance and reliability of these systems are very interesting indices for design improvement and research development. Several studies in different locations have investigated and reported the importance of PV performance monitoring to qualify various technologies operating worldwide. These information are very useful for energy policy makers and projects development. The research reported in this article, highlights the performance analysis of 2.04 kW
_p
poly-crystalline grid-tied system installed on the roof of laboratory building inside the faculty of science using an implemented monitoring system based on PC-duino hardware. The annual specific yield, system efficiency and energy density were found for instance to be 1874 kWh/kW
_p
/year, 16.32 % and 284.98 kWh/m
²
respectively. Other performance indicators are discussed profoundly in this paper. Findings from this work provide useful information for research applications and projects development of small-scale grid-connected photovoltaic systems in Morocco and near regions.