It provides smart PV solutions for residential, commercial, industrial, utility scale, energy storage systems, and microgrids. It builds a product ecosystem centered on solar inverters, charge controllers, and energy. . Thin-film solar panels are made of very thin layers of photovoltaic materials, making them extremely lightweight and sometimes even flexible. These panels typically cost around $0. As a renewable energy option, thin-film's lightweight makeup, versatility and low-cost make it an ideal option for home, business, and industrial users. Throughout. . Thin-film solar technology represents a departure from traditional silicon-based solar panels.