Since 2011, SPW magazine has helped American solar contractors—including installers, developers and EPCs in all markets—grow their businesses and do their jobs better. We do this through a variety of content platforms including articles online, in our bimonthly print issue, social media, enewsletters, podcasts, webinars and more. We are the leading online and print resource for news and information regarding solar installation, development and technology. We have the largest engaged online audience of any solar industry magazine. The SPW staff has won numerous ASBPEs (awards from the Association of Business Publishing Editors) for design, social media and editorial content. Solar Power World publishes the annual Top 500 Solar Contractors list, the most recognized listing of solar contracting companies in North America. Solar Power World (SPW) is a brand of WTWH Media LLC, headquartered in Cleveland, Ohio.