There are four main types of solar panels: monocrystalline, polycrystalline, thin-film, passive emitter, and rear cell (PERC) solar panels. All solar panel types employ. A PV module, also known as a solar panel, is a device that converts sunlight into electrical energy using the photovoltaic effect. It is a key component of solar power systems and plays a crucial role in generating clean and renewable electricity. What kind of home do you live in? When you're considering whether to get solar panels, it's a good idea to look into all the different types, to ensure you choose the best. Let us explore the different types of solar panels and compare them based on efficiency, look and cost.