sentences:  In 2006 Evergreen, Q-Cells and Renewable Energy Corporation (REC) formed EverQ (later renamed Sovello), a joint venture to open a factory in Thalheim, Germany which was expected to produce 300 MW of photovoltaic modules by 2010.Sovello intended to make a public stock offering, but instead was acquired by Ventizz Capital Partners.Evergreen's factory in Devens, MA opened in mid-2008 and expected to be producing at a rate of 80 megawatts per year by early 2009.