Lawrence Berkeley National Laboratory (LBNL) has probably most extensively studied why German residential solar is half the cost of US systems.

 

Why German Solar Is So Much Cheaper Than U.S. Solar — Updated Study (via Clean Technica)

The whole “Why is German solar about half the price of U.S. solar?” question is one of the most important solar questions of the day. Lawrence Berkeley National Laboratory (LBNL) has probably most extensively studied this matter. In a recently updated version of its analysis, LBNL examines why…