All REW Solar? USA panels are UL/TUV/MCE/CEC approved and bankable. REW Solar, with over 8500 installations around the globe, is a leader in the PV arena. Growing quickly over the last 10 years, averaging 2 installations per day, our technical experience in solar PV sales and installation is uncompromised. As an example of the high quality of engineering we employ, the life performance of our REW SOLAR? series solar panels is guaranteed to be maintained to 90 percent of its output after 25 years. In addition, we also provide a capacity guarantee of 80 percent after 30 years. These both exceed industry standards and will guarantee the longevity of your system. This guarantee is the only one of its kind anywhere in the world. Alongside our partners in Germany, Greece, Italy and the UK, we n