The photovoltaic parameters are the current of short circuit Isc, the open circuit voltage Vco, the form factor FF, the maximum power Pmax as well as efficiency. For silicon solar cells, the basic design constraints on surface reflection, carrier collection, recombination and parasitic resistances result in an optimum device of about 25% theoretical efficiency. Note that. The electrical characteristics (capacitance, current–voltage, power-voltage, transient photovoltage, transient photocurrent, and impedance) of a silicon solar cell device were examined. Under complete darkness and light intensity of 100 mW/cm 2, respectively, we have noticed that the light of the. rir city, that allow the record an up to date current-voltage characteristics (I-V) of the PV. This paper presents three modeling approaches that simulate the PV arrays, two are classic models determined by the electrical behavior of the PV cell, while the last is based on experimental modeling. In this article, the effect of temperature on the photovoltaic parameters of mono-crystalline silicon Photovoltaic Panel is undertaken, using the Matlab environment with varying module temperature in the range 25 ̊C - 60 ̊C at constant solar irradiations 200 - 500 W/m2. 100% EL inspection, ensures modules are defects free.