Overall, JA Solar makes great panels for homeowners on a budget. The price per watt is considerably lower than you'd find from most other manufacturers, but among other affordable brands, the efficiency rating and performance specifications are above-average. is a leading manufacturer of high-efficiency photovoltaic solar panels, based in Shanghai, China with several global offices, including one in San Jose, California. JA Solar is considered a budget brand, but among the different affordable panel manufacturers, JA Solar delivers relatively high. Solar Choice CEO Jeff Sykes gives an overview of JA Solar and their Deep Blue 400W panel There are many solar panels out there, what makes Canadian solar panels stand out? JA Solar is one of the largest solar panel manufacturers with third-largest solar module capacity (reportedly 42. 5GW/year in. Due to the winter situation we deal with, all my arrays tilt up to 60-65 degrees for winter time, and then tilt down to 30 degrees for summer -mostly to assist with snow clearing. The tilting frames and structure are a costly part of the build, and getting 25% more out of about the same.