From PennFuture (http://www.pennfuture.org):
SunRun launched in Pennsylvania, bringing homeowners the choice of clean, affordable electricity. SunRun offers solar service plans, similar to a lease, allowing homeowners to go solar for as little as $0 upfront after state rebates. More than five-thousand homeowners across New Jersey, Massachusetts, Arizona, California, and Colorado have chosen SunRun for clean electricity and it is now available for the first time in Pennsylvania.
From Philadelphia Business Wire at http://www.benzinga.com/press-releases/10/08/b422980/sunrun-brings-pennsylvania-homeowners-clean-alternative-to-utility-elec