Founded in 1999 and headquartered in Tempe, Arizona, U.S.A., First Solar, Inc. is a leading American solar technology company and is historically recognized for its advanced thin-film photovoltaic modules based on cadmium telluride (CdTe) semiconductor technology. The company focuses on the design, manufacture, and sale of responsibly produced solar modules for utility-scale and other large-scale solar power applications. It is the only U.S.-headquartered company among the world’s largest solar manufacturers. First Solar has invested heavily in domestic manufacturing and expects global annual nameplate capacity of approximately 25 gigawatts in 2026. As of December 31, 2024, the company employed approximately 8,100 associates worldwide. For the year ended December 31, 2025, First Solar reported net sales of USD 5.2 billion, reflecting its position as one of the most important solar technology manufacturers supporting the transition to a more electrified, lower-carbon energy system.
Updated 2026-03-20