Solar PV Use Accelerating

SUBHEAD: Mid size solar photo-voltaic installations grow at light speed across Unit.by Lauren Sommer on 16 March 2011 for KQED Broadcasting - (http://www.npr.org/2011/03/16/134341220/midsize-solar-installations-grow-at-light-speed?sc=17&f=1001)Image above: Solar panels at the midsized Sunset Reservoir solar array in San Francisco. From original article.As Tim Nilsen steps into one of his barns