SunPower Corp. engages in the design, manufacture, and deliver of solar panels and systems. It operates through the following segments: Residential, Commercial, and Power Plant. The Residential segment refers to the sales of solar energy solutions to residential end customers through a variety of means. The Commercial segment is the sales of solar energy solutions to commercial and public entity end customers. The Power Plant segment is comprised of large-scale solar products and systems business. The company was founded by Thomas L. Dinwoodie, Robert Lorenzini and Richard M. Swanson in April 1985 and is headquartered in San Jose, CA.