First Solar is the world's leading manufacturer of cadmium telluride solar panels, with over 1 GW of annual production capacity. It was founded in 1984 as a glass company and entered the solar industry in 1990. Today it is a public company headquartered in Tempe, Arizona, with $2.56 billion in revenue and 5,200 employees. While it currently commands 13% of the solar panel market, it faces competition from other manufacturers and the potential threat of new technologies achieving commercial scale.