Midsummer AB (publ) develops and supplies equipment for manufacturing CIGS thin film solar cells in Sweden. It offers Duo, a fully automatic deposition system for CIGS solar cell manufacturing; UNO, a platform for CIGS and CZTS solar cells; and flexible and lightweight modules for PV applications in membrane roofs, portable power plants, marine installations, vehicle usage, landfill covers, or other infrastructure projects. The company is headquartered in Järfälla, Sweden.