Conventional solar panel is able to convert approximately 14-20% of the energy that absorbs into electricity. This is not bad if you compare, for example, with the efficiency of photosynthesis in plants the same figure is 5%. But in the SolarCity believe that people need to do more.
Introducing the new panels in New , Musk announced that the panel production SolarCity able to reach peak efficiency at 22.04%. This is confirmed by inspection of the organization Renewable Energy Test Center.