Backed by the unparalleled knowledge and expertise of our design and installation teams, we are able to promise exemplary workmanship and service with every project. Serving California for more than a decade, the A1 team has become one of the most respected, qualified and sought-after solar installation crews in the state. Having installed a variety of systems, from small 20-panel home power grids to massive 1000-panel commercial sites, we’ve got the expertise and knowledge needed to deliver high-quality results.