Midsummer AB (publ) develops, manufactures, and sells solar panels to industrial and commercial properties, public sector organizations, private individuals, and roof and solar cell installers. It offers Midsummer DUO, a ready-made manufacturing system to produce cadmium-free thin-film solar cells; Midsummer UNO, a tool for thin films used for solar cell research; Midsummer SLIM, a solar roof that combines thin solar panels with a seamed sheet metal roof; Midsummer WAVE, a wave-shaped solar panel for roof tiles; and Midsummer BOLD, an ultra-light and flexible solar panel for roofs. It operates in Sweden, Portugal, Italy, rest of European Union, Hong Kong, the United States, and internationally. The company was incorporated in 2004 and is headquartered in Järfälla, Sweden.