While Monocrystalline panels are costlier upfront, their efficiency and longevity can result in better savings over time. However, the cooling process is different, which causes multiple crystals to form, as opposed to one. Thin-film Thin film. . Polycrystalline solar panels are made by forming silicon crystal fragments into a solar panel shape. On average, you can expect to pay $. This introduction explores the different types of solar technologies, their benefits, limitations, and how to. . The main differences between various types of solar panels e. Here's a detailed comparison. .