Complex sentence: 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.
Split into simpler sentences: Evergreen's factory in Devens, MA opened in mid- 2008. The first phase of the Devens facility is expected to be producing at a rate of 80 megawatts per year by early 2009.