Sunpower - based in USA
Originally founded in 1985 in a small way by Dr. Swanson (a professor of electrical engineering at Stanford at the time) .
In 2008, SunPower signed an agreement with PG&E to build the world’s largest – 250 MW – photovoltaic (PV) power plant, set to begin energy delivery in 2010.
The company is reported to be planning a solar module production facility in the USA for late 2010, and a European facility after that, acquiring the French solar company Tenesol SA in 2012.
77 Rio Robles
San Jose, California 95134
Inverters - A range of full sinewave inverters with MPPT technology and outputs of 3000 - 7000 watts
Photovoltaicd Modules - A range of monocrystalline panels/modules with power outputs upto 315 watts and efficiencies of upto 19.3%. Sumpower also claim low temperature coefficients for their panel, ie, output will not be as affected by high temperatures.
A range of solar panels with an integrated micro-inverter.
Location of Sunpower website - http://us.sunpowercorp.com