Thu, 05 Jul 2012 23:12:10 CDT
Companies in Germany and China have made simpler designs that make it easier and quicker to mount panels to roofs. With solar panel prices falling more than 80 percent in the last few years, many solar companies are turning their attention to reducing the cost of installing them. Two leading solar companies, Solon Energy , based in Berlin, and Trina Solar , based in Changzhou, China, have...
Read full article at: technologyreview.com