1 Commercial Solar is a Full service Solar Power contractor located in Northern California. Our Geographic target area is as far south as Fresno to the Bay Area and Napa, the Central Valley and as far East as the foothills, ie.. El Dorado, Calaveras ,Amador, Tuolumne Counties. We specialize in Flat top commercial roof projects, Using the new and cutting edge Solyndra solar panels which needs no roof penetrations or tilt angle to work 100%. Call for more information and to discuss your project.