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Types of PV Modules

Monocrystalline silicon (also called "single-crystal silicon", "single-crystal Si", "mono c-Si", or mono-Si) is the base material for silicon chips used in virtually all electronic equipment today. Mono-Si also serves as a photovoltaic, light-absorbing material in the manufacture of solar cells.

Thin-film solar cell is a second-generation solar cell that is made by depositing one or more thin layers, or thin film (TF) of photovoltaic material on a substrate, such as glass, plastic or metal.

Half Cut Cells, cutting solar cells in half has been proven to be an effective way to lower resistive power loss. The half-cut cells generate half the current of a standard cell, reducing resistive losses in the interconnection of solar modules. Less resistance between the cells increases the power output of a module.

Bifacial modules produce solar power from both sides of the panel. Whereas traditional opaque-backsheeted panels are monofacial, bifacial modules expose both the front and backside of the solar cells. When bifacial modules are installed on a highly reflective surface (like a white TPO roof or on the ground with light-colored stones), some bifacial module manufacturer’s claim up to a 30% increase in production just from the extra power generated from the rear.

PERC stands for Passivated Emitter and Rear Cell technology and in the simplest terms, it means that manufacturers add an extra layer to the rear side of a solar cell.