A Chinese-US research group claims to have achieved a power conversion efficiency of over 50% in an n-type single-junction solar cell by inhibiting light conversion to heat at extremely low temperatures. The result was achieved at temperatures of 30-50 Kelvin, which are a few tens of degrees above absolute zero.| pv magazine USA
Solar Insure told pv magazine USA the financial stability of rooftop solar companies operating in California is in question. Despite this, California reaffirmed recent anti-solar decisions in a recent appeals court hearing.| pv magazine USA